Cast Iron Pressure Relief Valves
from Prince Manufacturing Corp.
FUNCTION. The PRINCE valve model DRV is a differential poppet type double relief. This valve uses the same relief cartridge as the model RV. The double relief is used in systems that require cross over relief protection such a reversible hydraulic motor, or systems that require a cushion valve such... [See More]
- Primary Material: Cast Iron; Steel
- Controlled Pressure Range: 1500.00 to 3000.00
- Maximum Pressure: 3000.00
- Connection Description: Threaded; #12 SAE
from Watson McDaniel Company
The WSVI Safety Valves are used for over-pressure protection on unfired pressure vessels in saturated steam systems. As safety valves open on a non-compressible fluid application, the disc lifts directly proportional to the increase in system pressure over the valve set point. Safety valves not only... [See More]
- Primary Material: Cast Iron
- Maximum Pressure: 250.00
- Valve Size: 1.50 to 2.50
- Connection Description: Threaded; 1 1/2" 250#, 21/2" FNPT
from Armstrong International
The GD-6N and GD-6 are compact, direct-acting diaphragm valves ideal for low-flow applications, including laundry/dry-cleaning equipment, hospital equipment, tire/plastic molds and food processing. Lightweight and compact, the valves require no external sensing lines or additional parts. An external... [See More]
- Primary Material: Cast Iron
- Maximum Pressure: 150.00
- Valve Size: 0.38 to 1.00
- Controlled Pressure Range: 3.00 to 60.00
from Prince Manufacturing Corp.
STANDARD FEATURES. Hydraulically balanced, hard chrome plated spool. Handle can be installed in “up ” or “down ” position. Detent release pressure adjustable from 1000 to 2000 PSI. For use with system flows up to 25 GPM. Relief valve adjustable up to 2750 PSI. Tandem center... [See More]
- Primary Material: Cast Iron; Steel
- Maximum Pressure: 2750.00
- Valve Size: 0.50 to 0.75
- Connection Description: Threaded; IN/OUT 3/4 NPTF Work 1/2 NPTF
from Prince Manufacturing Corp.
STANDARD FEATURES. Economical monoblock construction of high tensile strength gray cast iron. Load check on each spool. Hard Chrome Plated Spools. No face seals on spools. Adjustable cartridge relief. Power beyond available. 4 Position Float Spool for loader boom. 4 Position Regen Spool for loader... [See More]
- Primary Material: Cast Iron; Steel
- Connection Description: Threaded; IN/OUT #10 SAE Work #8 SAE
- Maximum Pressure: 3000.00
- Actuation: Manual
from Prince Manufacturing Corp.
STANDARD FEATURES. Economical monoblock construction of high tensile strength gray cast iron. Load check on each spool. Hard Chrome Plated Spools. No face seals on spools. Adjustable cartridge relief. Power beyond available. 4 Position Series Float Spool for loader boom. 4 Position Regen Spool for... [See More]
- Primary Material: Cast Iron; Steel
- Connection Description: Threaded; IN/OUT #8 SAE Work #6-8 SAE
- Maximum Pressure: 3000.00
- Actuation: Manual
from Prince Manufacturing Corp.
STANDARD FEATURES. Economical monoblock construction of high tensile strength gray cast iron. Load check on each spool. Hard Chrome Plated Spools. No face seals on spools. Adjustable cartridge relief. Power beyond available. 4 Position Float Spool for loader boom. 4 Position Regen Spool for loader... [See More]
- Primary Material: Cast Iron; Steel
- Connection Description: Threaded; IN/OUT #8 SAE Work #6 SAE
- Maximum Pressure: 3000.00
- Actuation: Manual
from Prince Manufacturing Corp.
FUNCTION. The PRINCE valve model RD-1800 is a direct acting ball/spring type pressure relief. The valve is compact and simple in design. This type relief is fast opening and is well suited for pressure spike protection. The performance curves below indicate the low cracking pressure typical to... [See More]
- Primary Material: Cast Iron; Steel
- Maximum Pressure: 2500.00
- Valve Size: 0.38
- Controlled Pressure Range: 1000.00 to 2500.00
from Prince Manufacturing Corp.
STANDARD FEATURES. Economical monoblock construction of high tensile strength gray cast iron. Load check. Hard Chrome Plated Spool. Optional 4 Position Float on 1st spool. Adjustable ball spring relief (1000 PSI to 3000 PSI). Open center to closed center conversion available on some models. See... [See More]
- Primary Material: Cast Iron; Steel
- Maximum Pressure: 3000.00
- Valve Size: 0.50
- Connection Description: Threaded; IN/OUT 1/2 NPTF Work 1/2 NPTF
from Prince Manufacturing Corp.
STANDARD FEATURES. Economical monoblock construction of high tensile strength gray cast iron. Load check. Hard Chrome Plated Spool. Optional 4 Position Float. Differential Poppet Style Relief, Adjustable from 1500 to 3000 psi (Also. available in Low Pressure Version Adjustable from 500 to 1500 psi). [See More]
- Primary Material: Cast Iron; Steel
- Connection Description: Threaded; IN/OUT #10 SAE Work #8 SAE
- Maximum Pressure: 3000.00
- Actuation: Manual
from Prince Manufacturing Corp.
STANDARD FEATURES. Economical monoblock construction of high tensile strength gray cast iron. Load check on each spool. Hard Chrome Plated Spools. Optional 4 Position Float on 1st spool. Differential poppet style relief, adjustable from 1500 to 3000 psi (also available in low pressure version... [See More]
- Primary Material: Cast Iron; Steel
- Connection Description: Threaded; IN/OUT 3/4 NPTF Work 1/2 NPTF
- Maximum Pressure: 3000.00
- Actuation: Manual