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Supplier: HAWE North America Inc.
Description: Throttles type CQ, CQR, and CQV are flow valves, which are used in hydraulic circuits to control the flow of single and double acting actuators. These valves are designed as slot-type throttles, making them rather tolerant to micro contamination otherwise clogging annular
- Pressure Rating: 10,152.639 psi
- Number of Ports/Ways: 2
- Features: Check Valves, Other
- Media: Hydraulic Fluid
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Supplier: Titan Tool Supply, Inc.
Description: The Titan Micro-Bore Viewing System is a uniquely patented concept for optical checking of micro-bores and cavities. This optical device will allow the internal viewing of micro-bores, tubes and cavities as small as .039" (1 mm) to .315" ( 8 mm) with depths up to 10.00" (250
- Total Magnification: 10 X
- Application: Measuring / Toolmaker
- Features: Monocular
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Supplier: HydraCheck Inc.
Description: The MicroLeak test kit allows safe and accurate field-testing of hydraulic components, particularly pressure control valves, check valves, directional control valves, and circuit modules, without ever having to exhaust pressurized oil into the atmosphere. Packaged
- Leak Test Method: Pressure Differential / Decay
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Supplier: SAE International
Description: variable valve timing and lift (VVT/L) electrically-driven air conditioning compressor In addition to this work already completed for EPA, additional case studies are underway looking at advanced high pressure diesel engine technologies, exhaust gas recirculation systems and micro
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Supplier: DFT Inc.
Description: The DFT® Model SCV® is a corrosion resistant, dependable, versatile and economical spring-assisted, in-line check valve for a wide range of applications. Whether the fluid is liquid, gas or steam, the SCV® provides tight shut-off and protects other equipment in the system from water
- Valve Size: 0.5 to 3 inch
- Pressure Rating: 3,600 psi
- Media Temperature: -325 to 1,000 F
- Flow (Cv): 6 to 180
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Supplier: DFT Inc.
Description: The DFT® Excalibur® Silent Check Valve is a spring-assisted, center guided, in-line, check valve that provides reliable, low maintenance service for a wide range of fluids and pressure/temperature combinations. The valve consists of a body, gasket, seat, spring,
- Valve Size: 2 to 24 inch
- Pressure Rating: 3,705 psi
- Media Temperature: -325 to 1,000 F
- Flow (Cv): 51 to 11,300
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Supplier: DFT Inc.
Description: The DFT® Model PDC® Silent Check Valve is specially designed for use on the discharge side of reciprocating air or gas compressors. It includes a pulse damping chamber to maintain the disc in the open position during the momentary reductions in flow associated with each cycle of a
- Valve Size: 2 to 12 inch
- Pressure Rating: 3,705 psi
- Media Temperature: -325 to 500 F
- Flow (Cv): 55 to 2,300
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Supplier: DFT Inc.
Description: The ALC® is an in-line, spring assisted, single guided "wafer" check valve designed to prevent "water hammer" and "reverse" flow. The lightweight compact design fits between mating flanges and meets API 594 Face-to-Face dimensions. The ALC® is an easy to maintain check
- Valve Size: 10 to 24 inch
- Pressure Rating: 720 psi
- Media Temperature: -325 to 1,000 F
- Flow (Cv): 1,690 to 7,970
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Supplier: Jergens, Inc.
Description: Jergens Hydraulic Pilot Operated Check Valves are two-way valves used to lock pressure in a working circuit. Automatic free return flow is provided via air pilot operation. Designed so that loss of shop air line pressure will have no effect on the hydraulic circuit
- Pressure Rating: 5,000 psi
- Features: Check Valves
- Media: Hydraulic Fluid
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Supplier: Jergens, Inc.
Description: Jergens Hydraulic Check Valves allow pressure flow in one direction only.
- Pressure Rating: 5,000 psi
- Flow (Cv): 0.83
- Features: Check Valves
- Media: Hydraulic Fluid
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Supplier: Mueller Steam Specialty
Description: Can be used in a variety of applications including: chilled and hot water systems, refrigeration, plumbing, air conditioning, gas and liquid applications, water filtration, oxygen systems, boiler feed lines, and centrifugal pump and compressor systems.
- Valve Size: 2 to 36 inch
- Pressure Rating: 150 to 190 psi
- Media Temperature: 100 to 150 F
- Number of Ports/Ways: 2
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Supplier: Check-All Valve Mfg. Co.
Description: The Tubing Check Valve-Flared is a three piece constructed valve with 37º flared ends which conform to J. I. C. and S. A. E. Hydraulic Standards. These valves are designed for maximum flow with minimal pressure drop. Available Materials: 316 Stainless Steel (SS)
- Valve Size: 2 inch
- Pressure Rating: 1,600 to 3,000 psi
- Flow (Cv): 60
- Number of Ports/Ways: 2
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Supplier: Reid Supply
Description: tools. Waste from cuts, especially in industrial shops, can build up and get in the way of the machining process. Reid offers industrial quality adjustable hoses and everything to connect them, including valves, reducers, fittings, nozzles, shields and end caps. Vacuum lines can also be added
- Material Of Construction: Acetal
- Features: Check Valves
- Media: Hydraulic Fluid
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Supplier: Check-All Valve Mfg. Co.
Description: The Lined Pipe Insert valve is designed to mate between two flanges on most lined pipe systems. It provides the simplest most economical way to install a check valve in a lined piping system. No gaskets are required, just spread the flanges, center the valve and bolt the
- Valve Size: 1.5 inch
- Pressure Rating: 55 psi
- Flow (Cv): 6.1
- Number of Ports/Ways: 2
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Supplier: Check-All Valve Mfg. Co.
Description: Flange Insert valves are the ultimate check valves in flanged systems. They provide the simplest most economical way to install check valves in a piping system, the valve body automatically positions the valve and holds it in place while bolts are
- Valve Size: 1.5 inch
- Flow (Cv): 18.8
- Number of Ports/Ways: 2
- Agency: ANSI, ASME, ISO, MSS
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Supplier: Check-All Valve Mfg. Co.
Description: The Butt Weld (B4) check valve is a one piece body machined from bar stock, eliminating porosity concerns and providing uniform density for more consistent welds. Made to ASME/ANSI B16.25 for schedule 40 pipe, it carries rugged, dependable Check-All trim with a wide variety of
- Valve Size: 1.5 inch
- Pressure Rating: 1,500 to 4,000 psi
- Flow (Cv): 18.8
- Number of Ports/Ways: 2
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Supplier: Mueller Steam Specialty
Description: Can be used in a variety of applications including: chilled and hot water systems, refrigeration, plumbing, air conditioning, gas and liquid applications, water filtration, oxygen systems, boiler feed lines, centrifugal pump and compressor systems and process applications.
- Valve Size: 2 to 24 inch
- Pressure Rating: 992 to 1,480 psi
- Media Temperature: 100 to 450 F
- Number of Ports/Ways: 2
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Supplier: Mueller Steam Specialty
Description: Designed for liquids and gases where flow reversal can cause surge and water hammer. Used extensively in pump suction and discharge applications.
- Valve Size: 2 to 30 inch
- Pressure Rating: 1,480 psi
- Media Temperature: 100 F
- Number of Ports/Ways: 2
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Supplier: Mueller Steam Specialty
Description: Recommended for use in higher temperature or pressure applications.
- Valve Size: 2 to 12 inch
- Pressure Rating: 2,685 to 3,705 psi
- Media Temperature: 100 to 400 F
- Number of Ports/Ways: 2
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Supplier: Carr Lane Manufacturing Co.
Description: valve design with spring-loaded ball seat. The version shown here is used for in-line mounting with standard fittings and exposed fluid lines. Also available in a manifold-mounted version.
- Valve Size: 0.25 to 0.5 inch
- Pressure Rating: 7,500 psi
- Number of Ports/Ways: 2
- Media: Air, Compressed Air, Hydraulic Fluid
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Supplier: HydraForce, Inc.
Description: A solenoid-operated, normally-closed, proportional, poppet-type screw-in hydraulic cartridge valve providing an integral, non-isolated load signal to pilot counterbalance or other control valves in bridge circuit applications.
- Pressure Rating: 3,625.9425 psi
- Media Temperature: -15 to 400 F
- Number of Ports/Ways: 3
- Material Of Construction: Aluminum
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Supplier: Carr Lane Manufacturing Co.
Description: Simple hydraulic flow restrictor that allows fluid to flow in one direction only. In-line mounting
- Pressure Rating: 7,500 psi
- Number of Ports/Ways: 2
- Media: Air, Compressed Air, Hydraulic Fluid
- Features: Check Valves, Mechanical Device
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Supplier: Continental Hydraulics
Description: PowerFlow™ D05 MODULAR STACK VALVES Check, Flow Control & Pressure Control Relief Valves Sizes NFPA D05, CETOP 5 & NG 10 Pressures up to 3000 PSI High Flow Option Description Modular stack valves are designed to install between the valve and its mounting surface.
- Pressure Rating: 3,000 psi
- Valve Type: Cartridge / Manifold Valves
- Features: Check Valves, Control Valves, Pressure Reducing Regulators, Pressure Relief Valves, Regulators
- Media: Hydraulic Fluid
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Supplier: Eaton Hydraulics Group
Description: SystemStak Welcome to SystemStak from Eaton: a revolutionary, compact system for sandwich mounting modular valves between a directional control valve and a standard mounting surface. SystemStak gives users a full range of complementary pressure, flow and check valve
- Pressure Rating: 4,500 psi
- Features: Check Valves, Pressure Reducing Regulators, Pressure Relief Valves, Regulators
- Media: Hydraulic Fluid
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Supplier: WEH Technologies Inc.
Description: High-performance check valve for use with liquid media and air pressure These brass check valves are specially designed for hydraulic and pneumatic applications in plant engineering and are well proven in applications with submesible pump, pressure, air
- Valve Size: 0.393701 to 1.968505 inch
- Pressure Rating: 696.18096 psi
- Media Temperature: -4 to 275 F
- Number of Ports/Ways: 2
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Supplier: Radwell International
Description: DISCONTINUED BY MANUFACTURER, VALVE, HYDRAULIC FLOW REGULATOR, THROTTLE CHECK. FREE 2 YEAR RADWELL WARRANTY
- Features: Check Valves, Regulators
- Media: Hydraulic Fluid
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Supplier: IBT Industrial Solutions
Description: and industrial hydraulic applications to drive their business. Contact IBT Industrial Solutions today to learn more about how our fluid power solutions can increase your company’s efficiency. VALVES Solenoid Valves Manual Valves Check Valves Pressure Control
- Features: Check Valves, Control Valves, Electro-hydraulic, Manual / Hand, Needle Valves, Pressure Relief Valves, Solenoid Valves
- Media: Hydraulic Fluid
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Supplier: HydraForce, Inc.
Description: A solenoid-operated, 2-way, normally closed, direct-acting, poppet-type, bi-directional blocking, screw-in hydraulic cartridge valve, designed for low leakage in load-holding applications.
- Valve Size: 0.375 inch
- Pressure Rating: 3,002.28039 psi
- Media Temperature: -15 to 400 F
- Number of Ports/Ways: 2
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Supplier: Stucchi Inc.
Description: The VU series check valves are used in any type of hydraulic circuit, with a safe, compact design suitable to any hydraulic application using non-corrosive liquids. The VU size range includes two different standard openings at 5 to 65 psi. The VU series can also be used
- Valve Size: 0.25 to 2 inch
- Number of Ports/Ways: 1
- Features: Check Valves, Mechanical Device
- Media: Hydraulic Fluid
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Supplier: Continental Hydraulics
Description: C05 MSV-P* PILOT OPERATED CHECK VALVE Mounting Surface NFPA D05 (ISO 4401-05-04-0-05) Max Pressure 4600 PSI (350 bar) Max Flow Rate 32 gpm (120 l/min) Description This valve utilizes a guided spool and poppet-seat check valves as a blocking or load-holding device
- Pressure Rating: 4,600 psi
- Valve Type: Cartridge / Manifold Valves, Poppet Check Valves
- Features: Check Valves, Pilot Operated
- Media: Hydraulic Fluid
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Supplier: Atos North America
Description: ADR are direct operated check valves for in-line mounting available with port sizes from 1/4" to 1 1/4" GAS. Cartridge designed to operate in hydraulic systems with hydraulic mineral oil or synthetic fluid having similar lubricating characteristics.
- Valve Size: 0.25 to 1.25 inch
- Pressure Rating: 5,801.508 psi
- Media Temperature: -4 to 176 F
- Number of Ports/Ways: 2
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Supplier: Almo Manifold & Tool Co.
Description: - Removable NPT orifice - SAE O-ring port for access to NPT orifice, gauging, or remote piloting
- Valve Size: 1.5 inch
- Pressure Rating: 6,000 psi
- Number of Ports/Ways: 2
- Valve Type: Ball / Disk Check Valves
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Supplier: SSP Fittings Corp.
Description: Designed for uni-directional flow control of fluids in process systems
- Valve Size: 0.25 inch
- Pressure Rating: 6,000 psi
- Media Temperature: -15 to 350 F
- Number of Ports/Ways: 2
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Electric motor actuators paired with mechanical check valves provide precise valve modulation, controlled transients, and inherent fail-safe closure without hydraulic or pneumatic stored-energy systems. This configuration reduces maintenance, simplifies system architecture, and ensures consistent performance under varying operating conditions—ideal for engineers seeking reliable, low-complexity pump control solutions. (read more)
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Hydraulic pumps experience decreased volumetric efficiency due to internal leakage as they age. To prevent costly downtime, it is essential to check hydraulic pump efficiency on a regular basis using a test kit that is safe, accurate, and easy to install. The DHM 4 Series Bi-Directional (read more)
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The volumetric efficiency (internal leakage) of hydraulic pumps will increase with age. Consequently, to prevent unnecessary downtime it is vital to check the efficiency of hydraulic pumps on a routine schedule. The test kit needed to perform the test must be relatively easy to install (read more)
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The Quadrigage (Tetra Gauge) consists of three interconnected pressure gauges in a single metal housing. The unit is perfect for use with hydraulic, air, and vacuum systems. A big advantage of a Quadrigage is that it protects the low-pressure gauges from damage due to over-pressure because (read more)
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Indicates content that may require registration and/or purchase.
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A silicon-on-insulator based micro check valve
In this paper, we present the design, fabrication and testing of a micro passive check valve for micro hydraulic system applications.
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LIGA and its Applications Volume 7
(2005) Design and fabrication of in situ UV-LIGA assembled robust nickel micro check valves for compact hydraulic actuators.
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Journal of Guidance, Control, and Dynamics > Vibration reduction in rotorcraft using active control - A comparison of various approaches
Design and fabrication of in situ UV-LIGA assembled robust nickel micro check valves for compact hydraulic actuators.
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Development of a high flow-rate/high operating frequency nitinol MEMS valve
[7] Li, B., and Chen, Q., “Design and fabrication of in situ UV-LIGA assembled robust nickel micro check valves for compact hydraulic actuators”, J. Micromech. Microeng.
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High-frequency valve development for smart material electro-hydraulic actuators
[2] Li, B. and Chen, Q., “Design and fabrication of in situ UV-LIGA assembled robust nickel micro check valves for compact hydraulic actuators,” Journal of Micromechanics and Microengineering 15, 1864 (2005).
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Development of a low-voltage piezohydraulic pump for compact hydraulic systems
The Pennsylvania State University [15] Li B and Chen Q 2005 Design and fabrication of in situ UV- LIGA assembled robust nickel micro check valves for compact hydraulic actuators J. Micromech. Microeng.
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Development of a ‘bi-layer lift-off’ method for high flow rate and high frequency Nitinol MEMS valve fabrication
… passive micro check valves for compact piezoelectrically actuated pumps Sensors Actuators A 117 325–30 [7] Li B and Chen Q 2005 Design and fabrication of in situ UV-LIGA assembled robust nickel micro check valves for compact hydraulic actuators J. Micromech. Microeng.
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Mechanical properties of carbon nanotube–copper nanocomposites
219 67–72 [32] Li B and Chen Q 2005 Design and fabrication of in situ UV-LIGA assembled robust nickel micro check valves for compact hydraulic actuators J. Micromech. Microeng.
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Numerical analysis and characterization of bionic valves for microfluidic PDMS-based systems
14 1321–7 [17] Bo L et al 2005 Design and fabrication of in situ UV-LIGA assembled robust nickel micro check valves for compact hydraulic actuators J. Micromech. Microeng.
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Author index with titles
Li B and Chen Q: Design and fabrication of in situ UV-LIGA assembled robust nickel micro check valves for compact hydraulic actuators 1864 Li B: see Wang X 521 Li C, Sauser F E, Azizkhan R G, Ahn C H and …