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Product Specifications:
| Item | Hydraulic Valve |
| Actuation Mechanism | Pressure |
| Body | Cast Iron |
| Body Material | Cast Iron |
| Fluid Service | Oil |
| For Media | Oil |
| Height | 6" |
| Included Seals | Seals Included |
| Included Subplate | Subplate Included |
| Length | 6" |
| Max. Flow Rate | 53 GPM , 92.6 GPM |
| Max. Fluid Viscosity | 232 SUS |
| Max. Operating Temp. | 176°F |
| Max. Pressure | 5075 psi |
| Min. Operating Temp. | -4°F |
| Min. Pressure | 100 psi |
| Overall Height | 144.8" |
| Overall Length | 83" |
| Overall Width | 3 11/25" |
| Pressure Range (hydraulic Valves) | 100 psi to 5075 psi |
| Return Mechanism | Manual |
| Seal Material | Nitrile |
| Series | R4V Series |
| Valve Control | Pressure Relief |
| Valve Port Thread Type | SAE |
| Valve Type | Relief |
| Width | 5" |
Shipping Info:
| Ship weight (kg) | 3.51 |
| Ship height (cm) | 12.7 |
| Ship length (cm) | 15.24 |
| Ship width (cm) | 15.24 |
| Country of Origin | DE |
Product Variants
| Product | Model | Max. Flow Rate | Overall Width | Pressure Range (hydraulic Valves) | Valve Type | Max. Pressure | Min. Pressure | Max. Operating Temp. | Min. Operating Temp. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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R4V065B110A1 | - | - | 100 psi to 1532 psi | Relief | - | - | - | - | €2,927.55 | |
![]() |
R4V065B310A1 | 53 GPM | 3 11/25" | 100 psi to 3045 psi | Relief | 3045 psi | 100 psi | 176°F | -4°F | €2,927.55 | |
![]() |
647B-2-1/2-2 | 10 GPM | 1 3/4" | 10 psi to 50 psi | Poppet | 50 psi | 10 psi | 250°F | -40°F | €7,088.19 | |
![]() |
637B-2-1/2-2 | 10 GPM | 1 3/4" | 10 psi to 50 psi | Soft Seat | 50 psi | 10 psi | 250°F | -40°F | €1,470.54 | |
![]() |
647B-2-1/4-2 | 4 GPM | 1 1/4" | 10 psi to 50 psi | Poppet | 50 psi | 10 psi | 250°F | -40°F | €4,258.95 | |
![]() |
637B-2-1/4-2 | 4 GPM | 1 1/4" | 10 psi to 50 psi | Soft Seat | 50 psi | 10 psi | 250°F | -40°F | €1,324.42 | |
![]() |
647B-2-3/4-2 | 15 GPM | 1 3/4" | 10 psi to 50 psi | Poppet | 50 psi | 10 psi | 250°F | -40°F | €7,187.25 |
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Contact us
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We're available Monday through Friday, from 07:30 until 17:00.
PARKER R4V065B510A1 Hydraulic Valve, 100 to 5075 PSI, #12 SAE Port Size, 53 gpm Max. Flow, Cast Iron
€2,927.55 /unit


