Lee Co. (The) Datasheets for Flow Orifices and Flow Restrictors
Flow orifices and flow restrictors contain precision-machined holes and filters or screens to restrict flow and reduce pressure. They are available as stand-alone devices and in kits, assemblies, restrictors, and restrictor valves.
Flow Orifices and Flow Restrictors: Learn more
Product Name | Notes |
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Axial Visco Jets incorporate multiple, spinner orifice discs in series to increase restriction or Lohm rate. Spinner discs alternately reverse the direction of spin of the fluid. The result is... | |
Lee 18 Series Visco Jets are multi-orifice restrictors that incorporate slots and spin chambers to form a complex fluid passage which provides a reasonable degree of viscosity compensation without the... | |
Lee 43 Series Visco Jets are multi-orifice restrictors in a cartridge style body and offer the highest standard restrictions up to 2.2 million Lohms. The 43 Series Visco Jets incorporate... | |
Lee 5K JEVA’s are multi-orifice restrictors that incorporate a high pressure locking end and all stainless steel construction, making it suitable for working pressure differentials up to 5,000 psi. Incorporating... | |
Lee 68 Series Visco Jets are multi-orifice restrictors in a cartridge style body. The 68 Series Visco Jets incorporate slots and spin chambers to form a complex fluid passage which... | |
Lee Bender Jets incorporate multiple orifices in series, with successive orifices on the centerline and displaced from it, to force fluid to “bend” as it passes through the unit. The... | |
Lee High Pressure 125 Visco Jets are compact, multi-orifice restrictors that incorporate a high pressure locking end and all stainless steel construction, making it suitable for working pressure differentials up... | |
Lee High Pressure 187 Visco Jets are multi-orifice restrictors that incorporate a high pressure locking end and all stainless steel construction, making it suitable for working pressure differentials up to... | |
Lee High Watt Jets are single orifice restrictors that provide accurate, screened, bidirectional flow in the 200 to 1,000 Lohm range. The integral screens are machined and drilled from bar... | |
Lee JEVA’s are multi-orifice restrictors that incorporate slots and spin chambers to form a complex fluid passage which provides a reasonable degree of viscosity compensation without the use of any... | |
Lee Kilowatt Jets are single orifice restrictors that provide accurate, screened, bidirectional flow in the 90 to 200 Lohm range. The integral screens are machined and drilled from bar stock... | |
Lee Micro Jets are precision calibrated orifices designed for flow balancing in liquid cooling applications where system pressures are below 500 PSID. Lohm rates range from 475 to 3,100 Lohms... | |
Lee’s highly accurate, miniature restrictor for gases is preinstalled in a male to female luer adaptor and features an integral safety screen to protect the orifice from contamination. Ideal for... | |
Lee’s highly accurate, miniature restrictor for liquids is preinstalled in a male to female luer adaptor and features an integral safety screen to protect the orifice from contamination. Ideal for... | |
Orifices of very high Lohm rates (very small hole diameters) are available in a barb to barb union as standards. Lohm rates of as high as five million lohms, equivalent... | |
The 156 Jet is a small, economical, and accurate single orifice restrictor. Each Jet contains a calibrated orifice, two matched safety screens so you can flow in both directions, and... | |
The 187 Jet is a small, economical, and accurate single orifice restrictor. Each Jet contains a calibrated orifice, two matched safety screens so you can flow in both directions, and... | |
The 2.5mm 303 Stainless Steel Press-in Orifice For Gases are reliable, highly accurate flow restrictors specifically designed for installation into plastic housings and fittings. Their unique barbed design provides easy... | |
The 2.5mm 303 Stainless Steel Press-in Orifice For Liquids are reliable, highly accurate flow restrictors specifically designed for installation into plastic housings and fittings. Their unique barbed design provides easy... | |
The 2.5mm 316 Stainless Steel Press-in Orifice For Gases are reliable, highly accurate flow restrictors specifically designed for installation into plastic housings and fittings. These orifices are constructed from all... | |
The 2.5mm 316 Stainless Steel Press-in Orifice For Liquids are reliable, highly accurate flow restrictors specifically designed for installation into plastic housings and fittings. These orifices are constructed from all... | |
The 2.5mm Brass Press-in Orifice For Gases are reliable, highly accurate flow restrictors specifically designed for installation into plastic housings and fittings and are intended for use on gases only. | |
The 2.5mm Insert Orifice For Gases is the smallest, self-retained restrictor available, allowing designers to save space and weight. This orifice is 100% flow tested on nitrogen to ensure that... | |
The 2.5mm Insert Orifice For Liquids is the smallest, self-retained restrictor available, allowing designers to save space and weight. This orifice is 100% flow tested on distilled water to ensure... | |
The 5.5 mm Insert Orifice For Gases are self-retained, reliable, highly accurate flow restrictors. All Orifices are 100% flow tested on nitrogen to ensure that every part is within ± | |
The 5.5 mm Insert Orifice For Liquids are self-retained, reliable, highly accurate flow restrictors. All Orifices are 100% flow tested on distilled water to ensure that every part is within... | |
The 5.5mm Air Bleed Orifice is a novel solution to removing trapped air in hydraulic systems while keeping hydraulic losses to a minimum. Utilizing a small precision flow orifice, the... | |
The 8.0 mm Insert Orifice For Gases are self-retained, reliable, highly accurate flow restrictors. All Orifices are 100% flow tested on nitrogen to ensure that every part is within ± | |
The 8.0mm Insert Orifice For Liquids are self-retained, reliable, highly accurate flow restrictors. All Orifices are 100% flow tested on distilled water to ensure that every part is within ± | |
The High Pressure 156 Bender Jet is a compact, multi-orifice restrictor that is suitable for working pressure differentials up to 5,000 psi. Incorporating a high strength locking end and all... | |
The High Pressure 187 Bender Jet is a multi-orifice restrictor that is suitable for working pressure differentials up to 8,000 psi. Incorporating a high strength locking end and all stainless... | |
The High Pressure 250 H Bender Jet is a multi-orifice restrictor that is suitable for working pressure differentials up to 5,000 psi. Incorporating a high strength locking end, drilled screens,... | |
The High Pressure 375 Bender Jet is a multi-orifice restrictor that is suitable for working pressure differentials up to 5,000 psi. Incorporating a high strength locking end and all stainless... | |
The High Pressure High Watt Jet is a single orifice restrictor that is suitable for working pressure differentials up to 5,000 psi (8,000 psi intermittent). This robust design includes a... | |
The Lee 5K Jet is a single orifice restrictor that is suitable for working pressure differentials up to 5,000 psi. This robust design is manufactured entirely from stainless steel, incorporates... | |
The Lee Micro Damp Visco Snubber has been specifically designed to provide pressure surge protection for hydraulic pressure transmitters, pressure switches and pressure gauges as required by AS 5440. The... | |
The NACE Compliant 250 H Bender Jet is a high pressure, multi-orifice restrictor that is suitable for working pressure differentials up to 5,000 psi. Constructed entirely from MP35N, a nickel-cobalt... |