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Product Specifications:
| Item | Pressure Relief Valve |
| Actuation Mechanism | Pressure |
| Adjustment Method | Screw |
| Body Material | Cast Iron |
| Fluid Service | Oil |
| Height | 6 1/2" |
| Included Seals | Yes |
| Length | 4" |
| Max. Flow Rate | 60 GPM |
| Max. Operating Temp. | 200°F |
| Max. Pressure | 5000 psi |
| Max. Pressure Setting | 2000 psi |
| Min. Operating Temp. | -40°F |
| Min. Pressure | 0 psi |
| Mounting | Inline |
| Overall Height | 166.7" |
| Overall Length | 85.9" |
| Overall Width | 2 17/25" |
| Port Connections | Inlet |
| Preset Pressure Settings | 2500 psi |
| Pressure Range (hydraulic Valves) | 0 psi to 5000 psi |
| Seal Material | Nitrile |
| Series | RPL Series |
| Valve Control | Pressure Relief |
| Valve Port Thread Type | SAE |
| Valve Type | Ball |
| Width | 2 1/2" |
Shipping Info:
| Ship weight (kg) | 2.68 |
| Ship height (cm) | 6.35 |
| Ship length (cm) | 10.16 |
| Ship width (cm) | 16.51 |
| Country of Origin | US |
Product Variants
| Product | Model | Body Material | Max. Flow Rate | Valve Type | Max. Pressure | Pressure Range (hydraulic Valves) | Preset Pressure Settings | Valve Port Type | Seal Material | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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R4V065B110A1 | Cast Iron | - | Relief | - | 100 psi to 1532 psi | - | - | Nitrile | €2,927.55 | |
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R4V065B310A1 | Cast Iron | 53 GPM | Relief | 3045 psi | 100 psi to 3045 psi | - | - | Nitrile | €2,927.55 | |
![]() |
R4V065B510A1 | Cast Iron | 53 GPM | Relief | 5075 psi | 100 psi to 5075 psi | - | - | Nitrile | €2,927.55 | |
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647B-2-1/2-2 | Stainless Steel | 10 GPM | Poppet | 50 psi | 10 psi to 50 psi | 50 psi | NPT | - | €7,088.19 | |
![]() |
637B-2-1/2-2 | Brass | 10 GPM | Soft Seat | 50 psi | 10 psi to 50 psi | 35 psi | NPT | - | €1,470.54 | |
![]() |
647B-2-1/4-2 | Stainless Steel | 4 GPM | Poppet | 50 psi | 10 psi to 50 psi | 50 psi | NPT | - | €4,258.95 | |
![]() |
637B-2-1/4-2 | Brass | 4 GPM | Soft Seat | 50 psi | 10 psi to 50 psi | 35 psi | NPT | - | €1,324.42 |
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PARKER RPL-12-A GRESEN Pressure Relief Valve, 0 to 5000 PSI, #12 SAE Port Size, 60 GPM Max. Flow, Graphite
€661.29 /unit



