Clear All
Thread Type Thread Type | Show |
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Thread Type Thread Type | Hide |
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System of Measurement System of Measurement |
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Thread Size Thread Size |
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Maximum Pressure Maximum Pressure |
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For Use With For Use With |
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Minimum Opening Pressure Minimum Opening Pressure |
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Valve Type Valve Type |
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Gender Gender |
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Body Material Body Material |
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Flow Coefficient (Cv) Flow Coefficient (Cv) |
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Minimum Temperature Minimum Temperature |
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Number of Ports Number of Ports |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Return Actuation Return Actuation |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Seal Material Seal Material |
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Total Number of Ports Total Number of Ports |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Valve Function Valve Function |
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Backflow-Prevention Inline Hydraulic Valves
Also known as check valves, these open to allow flow in one direction and close when flow stops or reverses.
Valves with a poppet have internal components that can handle any flow rates. The higher the flow rate of the hydraulic fluid coming into the valve, the lower the pressure the fluid is as it leaves the valve.
UN/UNF (SAE Straight) thread connections have straight threads and are also known as O-ring Boss fittings.
UN/UNF (ORFS) threads are also known as O-ring face seal threads.
For technical drawings and 3-D models, click on a part number.
UN/UNF (SAE Straight) Male Inlet × UN/UNF (ORFS) Male Outlet—Poppet Check Valve
UN/UNF
(SAE Straight) —
UN/UNF (ORFS)
(SAE Straight) —
UN/UNF (ORFS)
Inlet Connection | Outlet Connection | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Thread Size | Dash Size | Thread Size | Dash Size | Max. Flow Rate | Flow Coefficient (Cv) | Max. Pressure, psi | Min. Opening Pressure, psi | Seal Material | Port-to-Port Lg. | Hex Wd. | Mounting Orientation | Temp. Range, °F | Each | |
Steel Body | ||||||||||||||
| 7/16"-20 | 04 | 9/16"-18 | 04 | Not Rated | Not Rated | 5,000 | 5 | Buna-N Rubber | 1 1/8" | 5/8" | Any Position | -40° to 250° | 0000000 | 000000 |
| 9/16"-18 | 06 | 11/16"-16 | 06 | Not Rated | Not Rated | 5,000 | 5 | Buna-N Rubber | 1 1/8" | 3/4" | Any Position | -40° to 250° | 0000000 | 00000 |
| 3/4"-16 | 08 | 13/16"-16 | 08 | Not Rated | Not Rated | 5,000 | 5 | Buna-N Rubber | 1 3/8" | 7/8" | Any Position | -40° to 250° | 0000000 | 000000 |
| 7/8"-14 | 10 | 1"-14 | 10 | Not Rated | Not Rated | 5,000 | 5 | Buna-N Rubber | 1 5/8" | 1 1/8" | Any Position | -40° to 250° | 0000000 | 000000 |
| 1 1/16"-12 | 12 | 1 3/16"-12 | 12 | Not Rated | Not Rated | 5,000 | 5 | Buna-N Rubber | 1 7/8" | 1 1/4" | Any Position | -40° to 250° | 0000000 | 000000 |
| 1 5/16"-12 | 16 | 1 7/16"-12 | 16 | Not Rated | Not Rated | 5,000 | 5 | Buna-N Rubber | 2" | 1 1/2" | Any Position | -40° to 250° | 0000000 | 000000 |
UN/UNF (ORFS) Male Inlet × UN/UNF (SAE Straight) Male Outlet—Poppet Check Valve
UN/UNF (ORFS) — UN/UNF (SAE Straight)
Inlet Connection | Outlet Connection | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Thread Size | Dash Size | Thread Size | Dash Size | Max. Flow Rate | Flow Coefficient (Cv) | Max. Pressure, psi | Min. Opening Pressure, psi | Seal Material | Port-to-Port Lg. | Hex Wd. | Mounting Orientation | Temp. Range, °F | Each | |
Steel Body | ||||||||||||||
| 9/16"-18 | 04 | 7/16"-20 | 04 | Not Rated | Not Rated | 5,000 | 5 | Buna-N Rubber | 1 1/8" | 5/8" | Any Position | -40° to 250° | 0000000 | 000000 |
| 11/16"-16 | 06 | 9/16"-18 | 06 | Not Rated | Not Rated | 5,000 | 5 | Buna-N Rubber | 1 1/8" | 3/4" | Any Position | -40° to 250° | 0000000 | 00000 |
| 13/16"-16 | 08 | 3/4"-16 | 08 | Not Rated | Not Rated | 5,000 | 5 | Buna-N Rubber | 1 3/8" | 7/8" | Any Position | -40° to 250° | 0000000 | 000000 |
| 1"-14 | 10 | 7/8"-14 | 10 | Not Rated | Not Rated | 5,000 | 5 | Buna-N Rubber | 1 5/8" | 1 1/8" | Any Position | -40° to 250° | 0000000 | 000000 |
| 1 3/16"-12 | 12 | 1 1/16"-12 | 12 | Not Rated | Not Rated | 5,000 | 5 | Buna-N Rubber | 1 7/8" | 1 1/4" | Any Position | -40° to 250° | 0000000 | 000000 |
| 1 7/16"-12 | 16 | 1 5/16"-12 | 16 | Not Rated | Not Rated | 5,000 | 5 | Buna-N Rubber | 2" | 1 1/2" | Any Position | -40° to 250° | 0000000 | 000000 |