Bolt Flange Pressure Relief Valves
from Check-All Valve Mfg. Co.
Flange Insert valves are the ultimate check valves in flanged systems. They provide the simplest most economical way to install check valves in a piping system, the valve body automatically positions the valve and holds it in place while bolts are being installed and tightened. All that is required... [See More]
- Connection Description: BoltFlange; Face Seal (optional feature); 1-3/8" O.D. Flange
- Primary Material: Aluminum (optional feature); Brass / Bronze; Stainless Steel; Steel; Exotic Metal; PVC; PTFE; FEP Encapsulator
- Valve Size: 0.50
- Actuation: Pressure
from Zurn Industries LLC
The 500XL3 Pressure Reducing Valve works effectively for industrial water lines and commercial systems, with high-flow rate capacity and low falloff. The patented integral venturi enables the valve to have best in-class flow performance. The all-bronze body, stainless-steel stem and cartridge... [See More]
- Connection Description: BoltFlange
- Maximum Pressure: 400.00
- Valve Size: 2.50
- Controlled Pressure Range: 25.00 to 75.00
from Almo Manifold & Tool Co.
- Adjustable relief setting from 150 psi to 6000 psi. - Standard screw adjustment for relief setting. - SAE O-ring port for gauging. - Pressure at Y is directly additive to relief setting [See More]
- Connection Description: BoltFlange
- Maximum Pressure: 150.00 to 6000.00
- Valve Size: 1.25
- Primary Material: Stainless Steel; Steel
from Spirax-Sarco
The DEP4 is a cast steel direct acting bellows sealed excess pressure valve. The standard version as an EPDM diaphragm (limited to 125 ° C) and is suitable for steam and water applications. Also available for oil applications is a Nitrile rubber diaphragm (suffix 'N ' i.e. DEP4B1N which is... [See More]
- Connection Description: BoltFlange; DN15, DN20, DN25, DN32, DN40, DN50, DN65, DN80 and DN100
- Primary Material: Steel; Cast Steel
- Maximum Pressure: 4.35 to 217.56
- Actuation: Mechanical
from Red Valve Company, Inc.
The Red Valve Series RSR Pressure Relief Valve is designed specifically for slurry applications. It is a reliable relief valve available for slurry service, venting surge pressures in the system, or to maintain system pressure. The valve operates very simply – making use of a spring loaded... [See More]
- Connection Description: BoltFlange
- Maximum Pressure: 0.00 to 150.00
- Valve Size: 1.00 to 12.00
- Primary Material: Ductile Iron; Rubber; Sleeve Options: Gum Rubber, EPDM, Neoprene, Hypalon, Buna-N, Viton
from Cooper Valves
When performance under pressure is critical, the Accuseal ® Automated Relief Valve is a must, The Accuseal ARV design provides automatic or manual overpressure protection for steam boiler systems, assisting with venting for start-up and shutdown. [See More]
- Connection Description: BoltFlange; Butt Weld; BW RFF Custom
- Maximum Pressure: 3705.00 to 11110.00
- Valve Size: 1.00 to 2.00
- Primary Material: Steel; Exotic Metal; Low Alloy Chrome
from Armstrong International
The GP-2000R is a high-performance externally piloted throttling back-pressure valve for large capacity applications. Typical applications would include systems using flash steam for low-pressure heating or processes. The GP-2000R valve will function to maintain a constant upstream pressure. This... [See More]
- Connection Description: Threaded; BoltFlange; (1/2-1-1/2,2)"NPT(2,2.5,3,4,6)"Flange
- Maximum Pressure: 200.00
- Valve Size: 0.50 to 6.00
- Controlled Pressure Range: 3.00 to 200.00
from co-ax valves inc.
Function: pressure balanced pressure limitation valve, externally controlled or direct acting. Media: gaseous, liquid, highly viscous, contaminated. Body Materials: brass, aluminum, stainless steel, galvanized steel. Options: SAE connection, safety valve, mounting, special voltage, coil M 12 x 1,... [See More]
- Connection Description: BoltFlange; NPT, BSPP, SAE, MillSpec, etc.
- Maximum Pressure: 72.52 to 928.24
- Valve Size: 2.56
- Controlled Pressure Range: 72.52 to 928.24
from HydraForce, Inc.
A direct-acting, spool-type, drop-in-style, flange-mounted, pressure reducing/relieving valve, which can be infinitely adjusted across a prescribed range using a variable electric input. Pressure output is proportional to DC current input. The Ecoil is an integral part of the valve assembly, and... [See More]
- Connection Description: BoltFlange
- Controlled Pressure Range: 0.00 to 1500.00
- Maximum Pressure: 0.00 to 1500.00
- Primary Material: Steel
from DMN, Incorporated
The PRV over-and-underpressure relief valve is an indispensable component for guaranteeing atmospheric pressure in receiving and discharging vessels. The PRV is designed to avoid an explosion or implosion which can occur when an unacceptable level of pressure or vacuum arises inside the hopper or... [See More]
- Connection Description: BoltFlange
- Primary Material: Aluminum
- Maximum Pressure: -0.29 to 0.65
- Media: Air; Powder Solids
from CIRCOR Energy
CIRCOR Energy is pleased to offer the Model 3500 as part of our Pilot Operated Valves portfolio. Below is a list of features that will enable you to better understand its capabilities. Features. Snap acting & modulating options available. API orifice sizes "D" through "T". Air & gas... [See More]
- Connection Description: BoltFlange
- Controlled Pressure Range: 900.00 to 6170.00
- Valve Size: 1.00 to 8.00
- Primary Material: Steel
from Atos North America
REM are double stage pressure relief valves with balanced poppet and SAE flange connection, designed to operate in oil hydraulic systems. They can be directly mounted with SAE flange attachments on the pumps outlet ports and, in particular, on the PFE pumps. In standard versions the piloting... [See More]
- Connection Description: BoltFlange; SAE 3/4, 1, 1 1/4
- Maximum Pressure: 5076.32
- Valve Size: 0.75 to 1.25
- Actuation: Pilot
from OPW Engineered Systems
Sure Seal's Superior Encapsulated design results in total encapsulation of the seat and disc/stem, providing the ultimate in contamination free service. In addition, every Sure Seal valve is tested to 110% of full pressure rating!. Stem is standard 255, a duplex stainless which is more corrosion... [See More]
- Connection Description: BoltFlange; ANSI 125 and 150 Flange
- Maximum Pressure: 50.00 to 150.00
- Valve Size: 1.00 to 24.00
- Primary Material: Aluminum (optional feature); Ductile Iron (optional feature); Stainless Steel (optional feature)
from Check-All Valve Mfg. Co.
The Check-All Flanged & Drilled check valve is a one-piece cast body valve with ANSI/ASME B16.5 Class 150 flanged ends. The HVFD series valve is used when higher flow rates and lower pressure drops are required. The valve is available in sizes 1 through 10 inches and standard materials of 316... [See More]
- Connection Description: BoltFlange; Face Seal (optional feature); 4-1/4" O.D. Flange
- Primary Material: Brass / Bronze; Stainless Steel; Steel
- Valve Size: 1.00
- Actuation: Pressure
from Zurn Industries LLC
The 500XL3 Pressure Reducing Valve works effectively for industrial water lines and commercial systems, with high-flow rate capacity and low falloff. The patented integral venturi enables the valve to have best in-class flow performance. The all-bronze body, stainless-steel stem and cartridge... [See More]
- Connection Description: BoltFlange
- Maximum Pressure: 400.00
- Valve Size: 2.50
- Controlled Pressure Range: 25.00 to 75.00
from Armstrong International
Armstrong ’s inline check valves are ideally suited for refrigerant flow control applications. The valves open wide for flow. These valves close quickly and are reliable when flow reversal occurs. The inline check valves feature a plated body, stainless steel disc and spring to enable them to... [See More]
- Connection Description: BoltFlange
- Maximum Pressure: 365.00
- Valve Size: 1.00 to 3.00
- Primary Material: Stainless Steel
from co-ax valves inc.
Function: pressure balanced pressure limitation valve, externally controlled or direct acting. Media: gaseous, liquid, highly viscous, contaminated. Body Materials: brass, aluminum, stainless steel, galvanized steel. Options: SAE connection, safety valve, mounting, special voltage, coil M 12 x 1,... [See More]
- Connection Description: BoltFlange; NPT, BSPP, SAE, MillSpec, etc.
- Maximum Pressure: 0.00 to 900.00
- Valve Size: 2.56
- Controlled Pressure Range: 0.00 to 900.00
from OPW Engineered Systems
Designed and engineered for demanding applications in corrosive, sanitary and ultra-pure processes. Unique benefits in design and a wide range of options allows the Sure Seal LBF lined butterfly valve to provide superior service to the chemical and industrial market. Our ISO 9001 quality system... [See More]
- Connection Description: BoltFlange; ISO 5211 Mounting Flange
- Primary Material: Ductile Iron (optional feature); Stainless Steel (optional feature)
- Valve Size: 2.00 to 24.00
- Actuation: Manual (optional feature); Electric (optional feature); ElectroHydraulic (optional feature); Pneumatic (optional feature)
from Check-All Valve Mfg. Co.
The Check-All Flanged & Drilled - PTFE Lined check valve is a one-piece body valve with ANSI/ASME flanged ends. The valve has a solid one-piece PTFE liner, which covers the flange faces out to the raised face diameter. All wetted surfaces are fluoropolymer (PTFE/FEP/PFA) including the FEP... [See More]
- Connection Description: BoltFlange; Face Seal (optional feature); 4-1/4" O.D. Flange
- Maximum Pressure: 55.00
- Valve Size: 1.00
- Primary Material: Steel; FEP Encapsulator
from Zurn Industries LLC
The 500XL3 Pressure Reducing Valve works effectively for industrial water lines and commercial systems, with high-flow rate capacity and low falloff. The patented integral venturi enables the valve to have best in-class flow performance. The all-bronze body, stainless-steel stem and cartridge... [See More]
- Connection Description: BoltFlange
- Maximum Pressure: 400.00
- Valve Size: 3.00
- Controlled Pressure Range: 25.00 to 75.00
from Armstrong International
The GD-200/200H valves offer high capacity and highly accurate control, with a large, cupped diaphragm for a long stroke. Compact and rugged, the GD-200 ’s composition valve and bronze metal seat mean high performance over a longer service life. Well suited to non-viscous liquid pressure... [See More]
- Connection Description: BoltFlange; (2", 2-1/2", 3", 4", 5", 6") Flange
- Maximum Pressure: 150.00
- Valve Size: 2.00 to 6.00
- Controlled Pressure Range: 7.00 to 100.00
from Check-All Valve Mfg. Co.
The Lined Pipe Insert valve is designed to mate between two flanges on most lined pipe systems. It provides the simplest most economical way to install a check valve in a lined piping system. No gaskets are required, just spread the flanges, center the valve and bolt the flanges together. Lined Pipe... [See More]
- Connection Description: BoltFlange; Face Seal (optional feature); 2" O.D. Flange
- Maximum Pressure: 55.00
- Valve Size: 1.00
- Primary Material: Exotic Metal; PTFE; FEP Encapsulator
from Zurn Industries LLC
The 500XL3 Pressure Reducing Valve works effectively for industrial water lines and commercial systems, with high-flow rate capacity and low falloff. The patented integral venturi enables the valve to have best in-class flow performance. The all-bronze body, stainless-steel stem and cartridge... [See More]
- Connection Description: BoltFlange
- Maximum Pressure: 400.00
- Valve Size: 3.00
- Controlled Pressure Range: 25.00 to 75.00
from Armstrong International
The GD-2000K is an ideal choice when set-point changes are frequent, access to the valve is difficult and steam quality is poor. The GD-2000K comes with either NPT or flanged connections for quick, easy installation. It also comes with a durable ductile iron body and features double stainless steel... [See More]
- Connection Description: Threaded; BoltFlange; (1/2-1-1/2,2)"NPT(2,2.5,3,4,6)"Flange
- Maximum Pressure: 300.00
- Valve Size: 0.50 to 4.00
- Controlled Pressure Range: 7.00 to 200.00
from Check-All Valve Mfg. Co.
The Wafer Insert (WV) valve is designed to fit between two mating ANSI flanges. Two gaskets are required, instead of the one normally used. The "drop in" valve body fits inside the bolt circle for quick installation and removal in rigid piping applications where the use of the F1, F6, or FP are not... [See More]
- Connection Description: BoltFlange; Face Seal (optional feature); 1-3/8" O.D. Flange
- Primary Material: Brass / Bronze; Stainless Steel; Steel; Exotic Metal; Alloy 20, Alloy C-276, Titanium
- Valve Size: 0.50
- Actuation: Pressure
from Armstrong International
The GP-2000 is a high-performance, externally piloted reducing valve for large-capacity requirements. Typical use is on intermittent service, including applications such as heat exchangers, steam coils, rotating dryers, process equipment and heating systems. With a 20:1 rangeability and high Cv, the... [See More]
- Connection Description: Threaded; BoltFlange; (1/2-1-1/2,2)"NPT(2,2.5,3,4,6)"Flange
- Maximum Pressure: 300.00
- Valve Size: 0.50 to 6.00
- Controlled Pressure Range: 1.50 to 200.00
from Armstrong International
A high-performance externally air-piloted pressure-reducing valve, the GP-2000K-1/GP-2000K-3/GP-20000K-6 is an ideal choice when set-point changes are frequent and access to the PRV is difficult. The valve comes totally assembled and requires no field installation except downstream sensing line and... [See More]
- Connection Description: BoltFlange; (2", 2-1/2", 3", 4", 6") Flange
- Maximum Pressure: 300.00
- Valve Size: 2.00 to 6.00
- Controlled Pressure Range: 30.00 to 200.00