RS Components, Ltd. 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
• Male thread connection. • Flow rate adjustment. • Exhaust air flow control. • Port flow control with silencer for direct mounting on the valve / terminal. • Low sound...
• Non return valve. • QS-8 connection. • Line installation. • Flow rate 681 L/min. • Operating pressure -1 bar to 10 bar. • 0 °C to 60 °C. •
A flow control regulator which provides unidirectional flow control and enables the regulation of the speed of a cylinder by controlling the exhaust or supply air flow. Compact design with...
A range of compact flow regulators with recessed screw adjustment. Ideal for use in confined spaces or on small cylinders. Helps prevent unwanted or accidental flow adjustment. Available as cylinder...
A un-directional flow regulator which will allow cylinder speed control via exhaust airflow. Easy to clean, designed without retention zones and provides excellent resistance to detergents. Stainless steel body and...
A uni-directional restrictor valve which controls the volume of air in one direction only and permits the maximum flow in the opposite direction. Primarily intended control the working speed of...
AS series inline speed controllers from SMC. This series is lightweight and has the benefit of index plates to help identify points when multiple controllers are installed. AS inline flow...
Dual flow controller incorporating two flow control valves and two check valves. Combines meter - in and meter - out functions into a single body. Compact design and reduced pipework.
Dual-speed flow regulators with one-touch connections. Resin body. Straight version. Flow regulation in both directions. 360° pipe connection. For nylon or polyurethane tubing. Manufacturer Series = ASD Inlet Port Type...
Elbow type meter-out flow controllers suitable for nylon, soft nylon, polyurethane, FEP and PFA tube. A numeric indicator gives quick and visual indication of the chosen flow setting reducing both...
Festo GRLA series exhaust flow regulators with integrated QS push-in fitting. The QS push-in fittings and captive seals, as well as a robust metal design provide a simple and reliable...
Festo GRLZ series one-way air supply flow regulators with integrated QS push-in fitting. The QS push-in fittings and captive seals, as well as a robust metal design provide a simple...
Festo VZQA series pinch valves enable better flow control of media such as granulate, liquids containing solid particles or highly viscous and abrasive media. The individual components of the VZQA...
Flow regulators with one-touch connections. Metal body. Bracket version. Exhaust adjustment. For nylon or polyurethane pipes. Manufacturer Series = AS Type = Exhaust Inlet Port Type = Threaded Threaded Inlet...
Flow regulators with one-touch connections. Resin body. Elbow version. Adjustment at exhaust. Accepts nylon or polyurethane pipes. Manufacturer Series = AS-FM Type = Exhaust Inlet Port Type = Threaded Threaded...
Flow regulators with one-touch connections. Resin body. Elbow version. Adjustment at exhaust. Accepts nylon or polyurethane pipes. Manufacturer Series = AS-FM Type = Supply Inlet Port Type = Threaded Outlet...
Flow regulators with one-touch connections. Stainless steel / metal / PBT (see Body Material for specific data) . Straight version. Exhaust adjustment. For nylon or polyurethane tubing. Manufacturer Series =...
Flow regulators with one-touch connections. Stainless steel series. Bracket version. Regulated at intake. For nylon or polyurethane tubing. Manufacturer Series = AS Type = Supply Inlet Port Type = Threaded...
Flow regulators with one-touch connections. Stainless steel series. Straight version. Exhaust adjustment. For nylon or polyurethane pipes. Manufacturer Series = AS Type = Exhaust Inlet Port Type = Threaded Outlet...
Flow regulators with one-touch connections. Stainless steel series. Straight version. Exhaust adjustment. For nylon or polyurethane pipes. Manufacturer Series = AS Type = Exhaust Inlet Port Type = Threaded Threaded...
Flow regulators with one-touch connections. Stainless steel series. Straight version. Regulated at intake. For nylon or polyurethane tubing. Manufacturer Series = AS Type = Supply Inlet Port Type = Threaded...
Gas Restrictor Elbow 2in x 8mm - Pneumatic Adaptors, Fittings & Couplings - Pneumatic Flow Regulator & Restrictor Function Fittings
General purpose in-line type flow regulators. Brass body, adjustment knob and locking ring. Uni-directional operation. Lockable and calibrated adjustment knob Manufacturer Series = M/800 Inlet Port Type = Threaded Threaded...
General purpose in-line type flow regulators. Brass body, adjustment knob and locking ring. Uni-directional operation. Lockable and calibrated adjustment knob Manufacturer Series = S/800 Inlet Port Type = Threaded Threaded...
In line fixed uni-directional flow rate reducer Manufacturer Series = 81 Inlet Port Type = Tube Tube Inlet Port = 4mm Outlet Port Type = Tube Minimum Outlet Pressure =...
In-Line Flow Regulator - Elbow, 10 mm - Pneumatic Adaptors, Fittings & Couplings - Pneumatic Flow Regulator & Restrictor Function Fittings
In-Line Flow Regulator - Elbow, 4 mm - Pneumatic Adaptors, Fittings & Couplings - Pneumatic Flow Regulator & Restrictor Function Fittings
In-Line Flow Regulator - Elbow, 6 mm - Pneumatic Adaptors, Fittings & Couplings - Pneumatic Flow Regulator & Restrictor Function Fittings
In-Line Flow Regulator - Elbow, 8 mm - Pneumatic Adaptors, Fittings & Couplings - Pneumatic Flow Regulator & Restrictor Function Fittings
In-line flow regulators providing unidirectional flow control whether metering-in or metering-out air to or from a pneumatic cylinder. Uni-directional flow regulation. Push-in fittings for both in and out connections Manufacturer...
Integrated pilot valve and speed controller. Temporary intermediate stop and speed control cylinders. 360° freedom for tube mounting direction Manufacturer Series = ASP Type = Exhaust Inlet Port Type =...
Lock speed setting at the touch of a button. Speed control setting easily marked for repeatability. Speed may be accurately controlled even at low velocity. Constant speed easily set. Meter...
Mini speed regulator - Pneumatic Adaptors, Fittings & Couplings - Pneumatic Flow Regulator & Restrictor Function Fittings
Minimises installation time and cost. Accepts nylon or polyurethane tubing. Wide variety of sizes. Speed accurately controlled even at low velocity. Constant speed easily set. Retaining function prevents loss of...
Minimises installation time and cost. Speed may be accurately controlled even at low velocity. Constant speed easily achieved. Retaining function prevents accidental loss of needle. Meter out only free flow...
Polysulphone bodied flowmeters. Open collector (NPN) pulse output proportional to flow rate. Non-metallic fittings, PVDF, available for pure water or aggressive chemicals. Robust sapphire bearings. ½ Inch BSP threads on...
Provides unidirectional flow control of exhausting air allowing cylinder speed regulation. Ideal for connection to units with integral push in fittings. Easy adjustment with locking facility Manufacturer Series = 7030...
Regulators for controlling the flow of compressed air to pneumatic actuators. SMC’s AS series speed controllers have a larger, push-pull locking dial making precise adjustment and control easy and reducing...
SMC speed controllers with built in one-touch fittings minimizes installation time, reduces mounting height and enables a more compact machine design. Flow regulators with one-touch connections. Stainless steel series. Bracket...
Speed Control, In-Line, 1/4" Tubing - Pneumatic Adaptors, Fittings & Couplings - Pneumatic Flow Regulator & Restrictor Function Fittings
Speed Control, In-Line, 4mm Tubing - Pneumatic Adaptors, Fittings & Couplings - Pneumatic Flow Regulator & Restrictor Function Fittings
Speed Control, In-Line, 5/16" Tubing - Pneumatic Adaptors, Fittings & Couplings - Pneumatic Flow Regulator & Restrictor Function Fittings
Speed Control, Inline, 1/4in Tubing - Pneumatic Adaptors, Fittings & Couplings - Pneumatic Flow Regulator & Restrictor Function Fittings
Speed Control, Stainless Steel, 6mm Tube - Pneumatic Adaptors, Fittings & Couplings - Pneumatic Flow Regulator & Restrictor Function Fittings
Speed Control, Tamper Proof, 1/4" Tube - Pneumatic Adaptors, Fittings & Couplings - Pneumatic Flow Regulator & Restrictor Function Fittings
Speed Controller, In-line, 4mm Tubing - Pneumatic Adaptors, Fittings & Couplings - Pneumatic Flow Regulator & Restrictor Function Fittings
Stainless steel. Meter out operation. Wide variety of sizes. Accepts various tubing materials Manufacturer Series = ASG Type = Exhaust Inlet Port Type = Tube Tube Inlet Port = 6mm...
Suitable for use where direct mounting to cylinder is not possible due to space or function restrictions. Uni-directional flow regulation. Push-in fittings for both in and out connections. Panel or...
The Metering Valve with Silencer ASN series from SMC has superior sound reducing performance. The cylinder speed is easily set by the shape of the needle being the same as...
Uni-directional compact in-line unit with parallel threaded ports. Low weight & high flow performance. Captive regulator needle. In-line, panel and parallel mounting Manufacturer Series = T1000 Type = Exhaust Inlet...