For Use With For Use With |
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Set Pressure Set Pressure |
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Inlet Connection Style Inlet Connection Style |
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Set Pressure Configuration Set Pressure Configuration |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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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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Color Color |
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 | Blue |  | Light Blue |
 | Light Green |  | Natural |
 | Red |  | Yellow |
About Pressure-Relief Valves
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About Grease Fitting Threads
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Compact Pressure-Relief Valves
Due to their small size, these valves are often installed on tanks in low-clearance areas. They begin opening at the set pressure. Nylon valves fully open at about 10% over the set pressure and steel valves fully open at about 50% over the set pressure. Valves begin closing as pressure drops and fully close when the system pressure is restored below the set pressure. All have a vent outlet to exhaust discharge directly. Set pressure is not adjustable.
Nylon valves have better corrosion resistance than steel valves. They are color coded based on the set pressure for easy identification.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air
- Temperature Range: Not Rated
Inlet | Each | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Pipe Size | Location | Maximum Pressure, psi | Relief Port Location | Overall Ht. | Specifications Met | Set Pressure, psi | 1-9 | 10-Up | |
NPTF Male Inlet and Relief Vent | |||||||||
| 1/8 | Bottom | 1 | Top | 1/2" | MS35670 | 0.3 | 0000000 | 00000 | 00000 |
| 1/4 | Bottom | Not Rated | Top | 1 1/8" | __ | 1 | 0000000 | 00000 | 0000 |
| 1/4 | Bottom | Not Rated | Top | 1 1/8" | __ | 7.5 | 0000000 | 00000 | 00000 |
| 1/4 | Bottom | Not Rated | Top | 1 1/8" | __ | 15 | 0000000 | 00000 | 0000 |
| 3/8 | Bottom | Not Rated | Top | 1 3/16" | __ | 1 | 0000000 | 0000 | 0000 |
| 3/8 | Bottom | Not Rated | Top | 1 3/16" | __ | 7.5 | 0000000 | 00000 | 00000 |
| 1/2 | Bottom | Not Rated | Top | 1 3/8" | __ | 1 | 0000000 | 00000 | 00000 |
| 1/2 | Bottom | Not Rated | Top | 1 3/8" | __ | 7.5 | 0000000 | 00000 | 00000 |
- For Use With: Grease, Oil
- Temperature Range: Not Rated
Inlet | Each | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Pipe Size | Location | Maximum Pressure, psi | Relief Port Location | Overall Ht. | Specifications Met | Set Pressure, psi | 1-9 | 10-Up | |
NPTF Male Inlet and Relief Vent | |||||||||
| 1/8 | Bottom | 5 | Top | 1/2" | MS35670 | 1 | 000000 | 00000 | 00000 |
| 1/8 | Bottom | 15 | Top | 1/2" | MS35670 | 7.5 | 000000 | 0000 | 0000 |
| 1/8 | Bottom | 25 | Top | 1/2" | MS35670 | 15 | 000000 | 0000 | 0000 |
| 1/8 | Bottom | 80 | Top | 1/2" | MS35670 | 45 | 000000 | 0000 | 0000 |
| 1/8 | Bottom | 140 | Top | 9/16" | MS35670 | 80 | 0000000 | 0000 | 0000 |
| 1/8 | Bottom | 200 | Top | 1/2" | MS35670 | 100 | 0000000 | 0000 | 0000 |
| 1/8 | Bottom | 650 | Top | 1/2" | MS35670 | 400 | 0000000 | 0000 | 0000 |
BSPT Male Inlet and Relief Vent | |||||||||
| 1/8 | Bottom | 1 | Top | 1/2" | __ | 0.3 | 0000000 | 0000 | 0000 |
| 1/8 | Bottom | 5 | Top | 1/2" | __ | 1 | 0000000 | 0000 | 0000 |
| 1/8 | Bottom | 80 | Top | 1/2" | __ | 45 | 0000000 | 0000 | 0000 |
Pressure-Relief Valves with Push-to-Connect Fittings for Air
- For Use With: Air
- Temperature Range: 26° to 255° F
For a low-pressure seal around plastic and soft metal tubing, these valves have push-to-connect fittings. They allow inline flow from the inlet to the outlet during normal conditions and divert flow to the relief port in overpressure conditions. The relief port begins opening at the set pressure and fully opens at about 10% over the set pressure. It begins closing as pressure drops and fully closes when the system pressure is restored below the set pressure. The vented relief port exhausts discharge directly. Set pressure is not adjustable. Valves are color coded based on the set pressure for easy identification.
For technical drawings and 3-D models, click on a part number.
Inlet | Outlet | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| For Tube OD | Location | Maximum Pressure | For Tube OD | Location | Relief Port Location | Overall Ht. | Choose a Set Pressure, psi | Each | |
Push-to-Connect Female Inlet, Outlet and Relief Vent | |||||||||
Nylon Body—Buna-N Seal | |||||||||
| 1/4" | Side | Not Rated | 1/4" | Side | Top | 1 1/4" | 0000000 | 000000 | |
| 5/16" | Side | Not Rated | 5/16" | Side | Top | 1 5/16" | 0000000 | 00000 | |
| 3/8" | Side | Not Rated | 3/8" | Side | Top | 1 1/2" | 0000000 | 00000 | |
| 1/2" | Side | Not Rated | 1/2" | Side | Top | 1 3/4" | 0000000 | 00000 | |
Pressure-Relief Screw-In Hydraulic Valves
Set a specific pressure and these valves will maintain it. Also known as cartridge valves, these compact valves screw into your mounting block. They begin opening at the set pressure and fully open at about 20% over the set pressure. They begin closing as pressure drops and fully close when the system pressure is restored below the set pressure.
For technical drawings and 3-D models, click on a part number.
Body— UN/UNF (SAE Straight) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Deltrol Equivalent Model No. | Hydraforce Equivalent Model No. | Thread Size | Dash Size | Max. Flow Rate, gpm | Max. Pressure, psi | O'all Ht. | Set Pressure Range, psi | Each | |
Anodized Aluminum Body | |||||||||
| DRV2-080-N-K-4 | __ | 3/4"-16 | 08 | 10 | 3,000 | 4" | 100-400 | 0000000 | 000000 |
| DRV2-080-N-K-20 | __ | 3/4"-16 | 08 | 10 | 3,000 | 4" | 300-2,000 | 0000000 | 00000 |
| DRV2-080-N-K-30 | __ | 3/4"-16 | 08 | 10 | 3,000 | 4" | 1,500-3,000 | 0000000 | 00000 |
| DRV-100-N-K-4 | RV10-20A-0-N | 7/8"-14 | 10 | 10 | 3,000 | 4 1/2" | 100-400 | 0000000 | 00000 |
| DRV-100-N-K-20 | RV10-20A-0-N | 7/8"-14 | 10 | 10 | 3,000 | 4 1/2" | 300-2,000 | 0000000 | 00000 |
| DRV-100-N-K-30 | RV10-20A-0-N | 7/8"-14 | 10 | 10 | 3,000 | 4 1/2" | 1,500-3,000 | 0000000 | 00000 |