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Lee Co. (The) Datasheets for Industrial Valves

Valves are mechanical devices that control the flow and pressure of liquids, gases, and slurries within a system. They are also known as regulators and are used in a wide variety of applications. Valves vary greatly in size, design, function, and operation.
Industrial Valves: Learn more

Product Name Notes
558 Series 316L Press-in Check Valves are cartridge style non-return valves made with medical grade 316L stainless steel and a ceramic ball for improved compatibility with aggressive fluids and gases.
558 Series Check Valves are threadless, cartridge-style one-way valves designed for installation into metal manifolds. These check valves use The Lee Company’s field-proven insert principle locking end that provides secure...
Genvi LGV Series valves are a new generation of 10 mm, 3-way control solenoid valves. Featuring high flow, low leakage and ultra-low power consumption, this valve was designed using innovative...
IEP Series 2-way axial flow solenoid valves are designed to perform consistently under conditions that are far more demanding than typical high-speed dispensing applications. Featuring a welded stainless steel construction,...
IEP Series 2-way in-line solenoid valves are designed to perform consistently under extreme operating conditions. Featuring a welded stainless steel construction, these robust valves can operate under higher pressure (up...
IMH 400 Bar Chek Valves are threadless, cartridge-style valves for use in high pressure hydraulic systems that operate up to 400 Bar. These valves also utilize The Lee Company’s field-proven...
IMH 558 LC Series Chek Valves are 5.5 mm diameter threadless, cartridge-style valves that offer higher flow capacity. The 558 LC Series offers more than a 67% increase in flow...
IMH 558 LC Series Press-in Chek Valves are 5.5 mm diameter cartridge-style valves that offer higher flow capacity. The 558 LC Series offers more than a 78% increase in flow...
IMH 558 LC Series Press-in Pressure Relief Valves are 5.5 mm diameter cartridge-style valves that offer higher flow capacity. The 558 LC Series offers more than a 78% increase in...
IMH 558 LC Series Pressure Relief Valves are 5.5 mm diameter threadless, cartridge-style valves that offer higher flow capacity. The 558 LC Series offers more than a 67% increase in...
IMH 558 Series 316L Chek Valves are 5.5 mm diameter threadless, cartridge-style valves that are constructed from Medical Grade 316L stainless steel and feature a ceramic ball for significantly improved...
IMH 558 Series 316L Pressure Relief Valves are 5.5 mm diameter threadless, cartridge-style valves that are constructed from Medical Grade 316L stainless steel and feature a ceramic ball for significantly...
IMH 558 Series Pressure Relief Valves are 5.5mm diameter threadless, cartridge-style valves designed for installation into metal manifolds. The valves use The Lee Company’s field-proven insert principle that provides secure...
IMH 832 Series Chek Valves are 8 mm diameter valves that offer side-exit flow. The inlet and outlet parts are not on the same axis, so that flow follows a...
IMH 855 LC2 Series Chek Valves are 8 mm diameter threadless, cartridge-style valves that offer higher flow capacity. The 855 LC2 Series offers more than a 65% increase in flow...
IMH 855 LC2 Series Press-in Chek Valves are 8 mm diameter cartridge-style valves that offer significantly higher flow capacity. The 855 LC2 Series offers more than a 65% increase in...
IMH 855 LC2 Series Press-in Pressure Relief Valves are 8 mm diameter cartridge-style valves that offer significantly higher flow capacity. The 855 LC2 Series offers more than a 65% increase...
IMH 855 LC2 Series Pressure Relief Valves are 8 mm diameter threadless, cartridge-style valves that offer higher flow capacity. The 855 LC2 Series offers more than a 165% increase in...
IMH 855 Series Chek Valves are 8mm diameter threadless, cartridge-style valves designed for installation into metal manifolds. The valves use The Lee Company’s field-proven insert principle that provides secure retention...
IMH 855 Series Pressure Relief Valves are 8 mm diameter threadless, cartridge-style valves designed for installation into metal manifolds. The valves use The Lee Company’s field-proven insert principle that provides...
IMH Press-in Restrictor Check Valves are, functionally, an orifice in series with a check valve, all in one 5.5mm diameter, cartridge-style package. These valves are designed for installation into plastic...
IMH Restrictor Check Valves are, functionally, an orifice in series with a check valve, all in one 5.5mm diameter, cartridge-style package. These valves are threadless and designed for installation into...
Lee Bypass Valves are normally open, with a hydraulically-actuat ed pilot-to-close feature. They are designed to shunt flow across an actuator piston when the system pressure is either shut off...
Lee Flow Fuses are individually designed to meet custom requirements. The valve design functions as a normally-open check valve. As the flow rate increases beyond a specified value across the...
Lee Miniature Piloting Solenoid Valves were designed and developed to be the most reliable, efficient, and compact solenoid valves available. The dual coil configuration provides electrical redundancy for added safety.
Lee Miniature Piloting Solenoid Valves were designed and developed to be the most reliable, efficient, and compact solenoid valves available. This design utilizes patented MultiSeal technology, eliminating the need for...
Lee offers a Luer Tee fitting with a 2.5mm pressure relief valve in the branch of the Tee. These are particularly useful for a syringe driven system where a maximum...
LFN Series valves are compact 7 mm, chemically inert diaphragm style isolation valves designed for applications flowing aggressive fluids. Available in a 2-way, normally closed, bi-directional design, the valve has...
LFR Series valves are 13 mm, 3-way chemically inert diaphragm-style solenoid valves designed for applications flowing aggressive fluids. With flow rates up to 600 mL/min at 30 psig (Cv =...
LFV Series valves are 13mm chemically inert, isolation style solenoid valves designed for applications flowing aggressive fluids. Available in a 2-way, normally closed, bi-directional design, this valve contains a diaphragm...
LFY Series internal pinch tube solenoid valves are chemically inert, zero dead volume designs intended for applications flowing aggressive fluids up to 300 ml/min at 15 psig (Cv= 0.02). Available...
LHD Series valves are compact, 7 mm conventional control solenoid valves intended for applications flowing air or gas. Available as a 2-port or 3-port design in various mounting styles,they are...
LHL Series valves are compact, 7 mm magnetically latched control solenoid valves that feature ultra-low power consumption (as low as 5.5 mJ/switch), low heat dissipation, and flow rates as high...
LHQ Series valves are compact, 7 mm quiet operation control solenoid valves that feature whisper technology to reduce actuation noise. When a typical solenoid valve is energized, there is an...
LSP Series internal pinch tube solenoid valves are 2-way isolation valves with only one wetted material (the tube), zero dead volume, and high flow capability for rapid flushing. This 2-way...
The 2.5 mm CCPI Series Press-in Chek Valves are cartridge style valves specifically designed for installation into plastic housings and fittings. Their unique barbed design provides easy “press-in” installation ensuring...
The 2.5 mm CCPI Series Press-in Pressure Relief Valves are cartridge style valves specifically designed for installation into plastic housings and fittings. Their unique barbed design provides easy “press-in” installation...
The 360° Ported Dual-Coil Solenoid Valve design utilizes a unique MultiSeal that provides 360° porting flexibility. The Multiseal eliminates the use of o-rings, offering significant space and weight savings. The...
The 360° Ported Single-Coil Solenoid Valve design utilizes a unique MultiSeal that provides 360° porting flexibility. The Multiseal eliminates the use of o-rings, offering significant space and weight savings. The...
The 4.5 mm CCPI Series Press-in Chek Valves are 4.5 mm diameter cartridge style valves specifically designed for installation into plastic housings and fittings. The valves small size allows designers...
The 4.5 mm CCPI Series Press-in Pressure Relief Valves are 4.5 mm diameter cartridge style valves specifically designed for installation into plastic housings and fittings. The valves small size allows...
The 400 Bar Shuttle Valve is a 6.0 mm diameter, selective, non-detented, loose ball three port isolation valve designed for use in 400 Bar hydraulic system manifolds. The valve uses...
The 5.5 mm Poppet Style Pressure Relief Valves are 5.5 mm diameter cartridge-style valves that provide faster opening rates, more stable flows, quiet operation and higher cracking pressure capabilities. The...
The 5.5mm 316L CCPI Series Press-in Pressure Relief Valves are 5.5 mm diameter cartridge style valves that are constructed from Medical Grade 316L stainless steel and feature a ceramic ball...
The 5.5mm CCPI Series Press-in Chek Valves are cartridge style valves specifically designed for installation into plastic housings and fittings or soft tubing. Their unique barbed design provides easy “press-in”
The 5.5mm CCPI Series Press-in Pressure Relief Valves are cartridge style valves specifically designed for installation into plastic housings and fittings or soft tubing. Their unique barbed design provides easy...
The 5.5mm Insert Flow Control Valves are, functionally, an orifice in parallel with a check valve, all in one 5.5mm diameter, cartridge-style package. These valves are threadless and designed for...
The 5.5mm Press-in Flow Control Valves are, functionally, an orifice in parallel with a check valve, all in one 5.5mm diameter, cartridge-style package. These valves are designed for installation into...
The 5.5mm Shuttle Valve is a 5.5 mm diameter, selective, non-detented, loose ball three port isolation valve for use in hydraulic manifolds. The valve uses The Lee Company’s field-proven insert...
The 6.5 mm CCPI Series Press-in Chek Valves are 6.5 mm diameter cartridge style valves specifically designed for installation into plastic housings and fittings. This valve offers more than twice...
The 6.5 mm CCPI Series Press-in Pressure Relief Valves are 6.5 mm diameter cartridge style valves specifically designed for installation into plastic housings and fittings. This valve offers more than...
The 8 mm CCPI Series Press-in Pressure Relief Valves are 8 mm diameter cartridge style valves specifically designed for installation into plastic housings and fittings or soft tubing. Their unique...
The 8.0 mm Shuttle Valve is a 8 mm diameter, selective, non-detented, loose ball three port isolation valve for use in hydraulic manifolds. The valve uses The Lee Companies field-proven...
The 8.0mm Insert Flow Control Valves are, functionally, an orifice in parallel with a check valve, all in one 8.0mm diameter, cartridge-style package. These valves are threadless and designed for...
The 8.0mm Press-in Flow Control Valves are, functionally, an orifice in parallel with a check valve, all in one 8.0mm diameter, cartridge-style package. These valves are designed for installation into...
The 8mm CCPI Series Press-in Chek Valves are cartridge style valves specifically designed for installation into plastic housings and fittings or soft tubing. Their unique barbed design provides easy “press-in”
The IMH Group also offers a Luer Tee fitting with a 5.5mm pressure relief valve in the branch of the Tee for higher relief flow capabilities. These are useful for...
The IMH Group offers a Female Luer to 2X Male Luer Tee fitting assembly that contains a 2.5mm pressure relief valve in the branch for over pressure protection and a...
The Latching Solenoid Valve is the ideal solution for power sensitive applications. By incorporating permanent magnets into the coil design, this solenoid valve offers a dramatic reduction in overall power...
The Lee 0.281 inch PRI/Chek Valves combine the function of a reverse flow pressure relief valve in parallel with the function of a check valve with free flow in the...
The Lee 0.375 inch PRI/Chek Valves combine the function of a reverse flow pressure relief valve in parallel with the function of a check valve with free flow in the...
The Lee 2-Way High Flow Dual-Coil Solenoid Valve utilizes a two stage poppet to allow over nine times more flow compared to the standard piloting configuration. The innovative coil design...
The Lee 2-Way High Flow Solenoid Valve utilizes a two stage poppet to allow over nine times more flow compared to the standard piloting configuration. The innovative coil design offers...
The Lee 3-Way Dual-Coil High Flow Solenoid Valve utilizes a two stage poppet to allow over six times more flow compared to the standard piloting cofiguration The innovative coil design...
The Lee 3-way High Flow Solenoid Valve utilizes a two stage poppet to allow over six times more flow compared to the standard piloting cofiguration The innovative coil design offers...
The Lee Company designed a series of zero leak check valves specifically for the extreme temperatures and pressures found in difficult environments ranging from deep within oil wells to the...
The Lee Company’s Dual Metering Flow Control Valves are two way restrictors that allows a designer to specify a different metered flow rate in each direction. There are configurations available...
The Lee Company’s line of Power Generation Lee Chek check valves are designed for use in purge air, water injection and liquid fuel applications. The valves are field serviceable, allowing...
The Lee Performance Racing Solenoid Valve utilizes a unique MultiSeal that provides 360° porting flexibility without the use of o-rings. The innovative 12 volt coil and flange mount installation were...
The Zero-Leak Solenoid Valve extends the sealing performance of our field proven piloting solenoid valves. The valve incorporates a polymer seal to achieve zero leakage. The standard version of this...
This cartridge style check valve is only .343” in diameter and .78” in length. This check valve’s side exit design is useful in hydraulic manifolds where the flow needs to...
This cartridge style check valve is only .483” in diameter and .76” in length. This check valve’s unique design maximizes the free flow in a very short envelope. It is...
This cartridge style check valve is only .736” in diameter and 1” in length. This check valve’s unique design maximizes the free flow in a very short envelope. It is...
This cartridge style check valve is only .989” in diameter and 1.1” in length. This check valve’s unique design maximizes the free flow in a very short envelope. It is...
This high flow check valve is only .500” in diameter and 1.1” in length. This check valve’s unique design maximizes the free flow in a very short envelope. It is...
This high flow pressure relief valve is packaged in a Line Removable Unit (LRU) for ease of installation and extraction. This valve is ideally suited for hydraulic applications where a...
This high pressure miniature flow control valve is only .187” in diameter and .91” in length. This valve provides restricted flow in one direction and free flow in the other...
This high pressure miniature flow control valve is only .281” in diameter and 1.41” in length. This valve provides restricted flow in one direction and free flow in the other...
This high pressure miniature flow control valve is only .375” in diameter and 1.37” in length. This valve provides restricted flow in one direction and free flow in the other...
This high pressure miniature flow control valve is only .500” in diameter and 1.8” in length. This valve provides restricted flow in one direction and free flow in the other...
This high pressure miniature pressure compensating flow control valve is only .250” in diameter and 1.38” in length. This valve provides a constant flow rate over a wide range of...
This high pressure miniature pressure compensating flow control valve is only .281” in diameter and 1.51” in length. This valve provides a constant flow rate over a wide range of...
This high pressure miniature pressure compensating flow control valve is only .500” in diameter and 2” in length. This valve provides a constant flow rate over a wide range of...
This high pressure relief valve is only .281” in diameter and 1.35” in length. This valve is ideally suited for high pressure hydraulic applications where a fast opening safety relief...
This high pressure relief valve is only .375” in diameter and 2.1” in length. This valve is ideally suited for high pressure hydraulic applications where a fast opening safety relief...
This high pressure thermal relief valve is only .25” in diameter and 1.41” in length. This valve has been optimized for relieving the small flows caused by thermal expansion of...
This high pressure, pilot operated check valve is only .250” in diameter and 1.5” in length. This valve acts like a normal check valve until pressure is applied to the...
This high pressure, pilot operated check valve is only .375” in diameter and 2” in length. This valve acts like a normal check valve until pressure is applied to the...
This high pressure, pilot operated check valve is only .500” in diameter and 2.76” in length. This valve acts like a normal check valve until pressure is applied to the...
This miniature check valve is only .156” in diameter and .49” in length. This valve’s unique design offers both high flow and high pressure capability in a significantly smaller package.
This miniature check valve is only .187” in diameter and .62” in length. This valve utilizes a poppet-style design to maximize the free flow in one direction and prevent flow...
This miniature check valve is only .187” in diameter and .62” in length. This valve utilizes an economical ball-style design to allow free flow in one direction and prevent flow...
This miniature check valve is only .187” in diameter and .66” in length. This valve utilizes an economical ball-style design to allow free flow in one direction and prevent flow...
This miniature check valve is only .250” in diameter and .78” in length. This valve utilizes a poppet-style design to maximize the free flow in one direction and prevent flow...
This miniature check valve is only .250” in diameter and .78” in length. This valve utilizes an economical ball-style design to allow free flow in one direction and prevent flow...
This miniature check valve is only .375” in diameter and 1.2” in length. This valve utilizes a poppet-style design to maximize the free flow in one direction and prevent flow...
This miniature check valve is only .500” in diameter and 1.5” in length. This valve utilizes a poppet-style design to maximize the free flow in one direction and prevent flow...
This miniature flow control valve is only .187” in diameter and .71” in length. This valve provides flow in one direction and free flow in the other direction. Restriction rates...
This miniature flow control valve is only .281” in diameter and .96” in length. This valve provides restricted flow in one direction and free flow in the other direction. Restriction...
This miniature flow control valve is only .375” in diameter and 1.2” in length. This valve provides restricted flow in one direction and free flow in the other direction. Restriction...
This miniature flow control valve is only .500” in diameter and 1.5” in length. This valve provides restricted flow in one direction and free flow in the other direction. Restriction...
This miniature high pressure check valve is only .125” in diameter and .52” in length. It’s robust design allows it to prevent backflow in extreme high pressure systems up to...
This miniature high pressure check valve is only .125” in diameter and .52” in length. This check valve’s robust design allows it to prevent backflow in high pressure systems up...
This miniature high pressure check valve is only .187” in diameter and .82” in length. It’s robust design allows it to prevent backflow in extreme high pressure systems up to...
This miniature high pressure check valve is only .187” in diameter and .82” in length. This check valve’s robust design allows it to prevent backflow in high pressure systems up...
This miniature high pressure check valve is only .250” in diameter and 1” in length. It’s robust design allows it to prevent backflow in extreme high pressure systems up to...
This miniature high pressure check valve is only .250” in diameter and 1” in length. This check valve’s robust design allows it to prevent backflow in high pressure systems up...
This miniature high pressure check valve is only .375” in diameter and 1.3” in length. It’s robust design allows it to prevent backflow in extreme high pressure systems up to...
This miniature high pressure check valve is only .375” in diameter and 1.37” in length. This check valve’s robust design allows it to prevent backflow in high pressure systems up...
This miniature high pressure check valve is only .500” in diameter and 1.7” in length. It’s robust design allows it to prevent backflow in extreme high pressure systems up to...
This miniature high pressure check valve is only .500” in diameter and 1.8” in length. This check valve’s robust design allows it to prevent backflow in high pressure systems up...
This miniature pilot operated check valve is only .250” in diameter and 1.25” in length. This valve acts like a normal check valve until pressure is applied to the pilot...
This miniature pressure compensating flow control valve is only .281” in diameter and 1.28” in length. This valve provides a constant flow rate over a wide range of pressure differentials.
This miniature pressure compensating flow control valve is only .500” in diameter and 2” in length. This valve provides a constant flow rate over a wide range of pressure differentials.
This miniature pressure relief valve is only .187” in diameter and .62” in length. This valve is ideal for both pneumatic and hydraulic pressure relief applications where zero leakage is...
This miniature pressure relief valve is only .187” in diameter and .62” in length. This valve is ideally suited for hydraulic applications where a fast opening safety relief valve is...
This miniature pressure relief valve is only .250” in diameter and 1.15” in length. This valve is ideally suited for low flow hydraulic applications where a miniature, light weight pressure...
This miniature pressure relief valve is only .281” in diameter and 1.11” in length. This high speed, direct acting valve is constructed entirely of corrosion-resistant materials that are compliant with...
This miniature pressure relief valve is only .281” in diameter and 1.11” in length. This valve is ideally suited for hydraulic applications where a fast opening safety relief valve is...
This miniature pressure relief valve is only .281” in diameter and 1.33” in length. This valve is ideal for hydraulic pressure relief applications where zero leakage is needed. Minimum cracking...
This miniature pressure relief valve is only .375 of an inch in diameter and 2.15 inches in length. This valve has been designed for applications where stability is a must.
This miniature pressure relief valve is only .375” in diameter and 1.2” in length. This valve is ideally suited for hydraulic applications where a relief valve is needed to regulate...
This miniature pressure relief valve is only .500” in diameter and 1.5” in length. This valve is ideally suited for hydraulic applications where a relief valve is needed to regulate...
This miniature pressure relief valve is packaged in a Line Removable Unit (LRU) for ease of installation and extraction. This valve is ideally suited for hydraulic applications where a fast...
This miniature restrictor check valve is only .187” in diameter and .77” in length. This valve provides restricted flow in one direction and prevents flow in the other direction. Restriction...
This miniature shuttle valve incorporates a polyimide valve seat to create a leak tight seal when tested on nitrogen. The valve is only .281” in diameter and 1.02” in length.
This miniature shuttle valve incorporates a polyimide valve seat to create a leak tight seal when tested on nitrogen. The valve is only .375” in diameter and 1.47” in length.
This miniature shuttle valve incorporates a polyimide valve seat to create a leak tight seal when tested on nitrogen. The valve is only .500” in diameter and 1.58” in length.
This miniature shuttle valve is only .187” in diameter and .62” in length. This shuttle valve uses a non-biased, loose ball design. This is ideal when flow is uni-direction from...
This miniature shuttle valve is only .187” in diameter and .84” in length. The poppet in this shuttle valve is biased so that the emergency port (E) is normally closed,...
This miniature shuttle valve is only .187” in diameter and .93” in length. The poppet in this shuttle valve is biased so that the emergency port (E) is normally closed,...
This miniature shuttle valve is only .250” in diameter and 1.03” in length. This shuttle valve uses a non-biased, loose ball design. This is ideal when flow is uni-direction from...
This miniature shuttle valve is only .250” in diameter and 1.65” in length. The poppets in this shuttle valve are designed to allow the lower inlet pressure to flow while...
This miniature shuttle valve is only .281” in diameter and .92” in length. The poppet in this shuttle valve is biased so that the emergency port (E) is normally closed,...
This miniature shuttle valve is only .281” in diameter and .94” in length. This shuttle valve incorporates a detent mechanism that can latch the poppet at either of the inlet...
This miniature shuttle valve is only .281” in diameter and 1.3” in length. The poppet in this shuttle valve is biased so that the emergency port (E) is normally closed,...
This miniature shuttle valve is only .281” in diameter and 1.33” in length. The poppet in this shuttle valve is biased so that the emergency port (E) is normally closed,...
This miniature shuttle valve is only .375” in diameter and 1.35” in length. This shuttle valve uses a non-biased, loose ball design. This is ideal when flow is uni-direction from...
This miniature shuttle valve is only .375” in diameter and 1.37” in length. This shuttle valve incorporates a detent mechanism that can latch the poppet at either of the inlet...
This miniature shuttle valve is only .375” in diameter and 1.4” in length. The poppet in this shuttle valve is biased so that the emergency port (E) is normally closed,...
This miniature shuttle valve is only .500” in diameter and 1.34” in length. This shuttle valve incorporates a detent mechanism that can latch the poppet at either of the inlet...
This miniature shuttle valve is only .500” in diameter and 1.4” in length. The poppet in this shuttle valve is biased so that the emergency port (E) is normally closed,...
This miniature shuttle valve is only .500” in diameter and 1.46” in length. This shuttle valve uses a non-biased, loose ball design. This is ideal when flow is uni-direction from...
This miniature shuttle valve is only .500” in diameter and 1.59” in length. The poppet in this shuttle valve is biased so that the emergency port (E) is normally closed,...
This miniature shuttle valve is only .500” in diameter and 2.1” in length. The poppets in this shuttle valve are designed to allow the lower inlet pressure to flow while...
This miniature thermal relief valve is only .187” in diameter and 1” in length. This valve has been optimized for relieving the small flows caused by thermal expansion of a...
This miniature zero leak check valve is only .187” in diameter and .63” in length. This check valve utilizes an elastomeric seat material to provide zero leakage in the checked...
This miniature zero leak check valve is only .250” in diameter and .78” in length. This check valve utilizes an elastomeric seat material to provide zero leakage in the checked...
This miniature zero leak check valve is only .375” in diameter and 1.21” in length. This check valve utilizes an elastomeric seat material to provide zero leakage in the checked...
This miniature zero leak check valve is only .500” in diameter and 1.42” in length. This check valve utilizes an elastomeric seat material to provide zero leakage in the checked...
This NACE compliant pressure compensating flow control valve is only .250” in diameter and 1.57” in length. This valve provides a constant flow rate over a wide range of pressure...
This NACE compliant pressure compensating flow control valve is only .281 in diameter and 1.51” in length. This valve provides a constant flow rate over a wide range of pressure...
This NACE compliant pressure compensating flow control valve is only .500 in diameter and 2.15” in length. This valve provides a constant flow rate over a wide range of pressure...
This ultra miniature check valve is only .093” in diameter and .33” in length. This valve’s size allows for packaging in extremely small spaces. It is ideal for applications with...
VHS Series valves are 6 mm, 2-way axial flow dispensing solenoid valves that combine inkjet printing technology with chemically inert materials to achieve drop-on-demand performance. With response times as fast...
Xover LXR Series are 3-way internal pinch-tube solenoid valves designed to switch quickly and efficiently between fluid samples. Featuring a Y-shaped elastomer tube, this innovative design combines the flow path...