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Relief Valves - Page 3 - Extreame Savings! Save up to 43%


Extreame Savings! Up to 43% off on Relief Valves at Mass Fiscal Exposed, Page 3. Top brands include Apollo Valve, Hy-Pro, Parker, Control Devices, Kunkle Valves, Taco, Watts, Dixon Valve & Coupling, Prince, clippard, Legend Valve, SEA TECH, & Prince Manufacturing. Hurry! Limited time offers. Offers valid only while supplies last.



Apollo Valve 13-213 Series Bronze Safety Relief Valve, ASME Steam, 15 psi Set Pressure, 1-1/4'' x 1-1/2'' NPT Male x Female
Apollo Valve 13-213 Series Bronze Safety Relief Valve, ASME Steam, 15 psi Set Pressure, 1-1/4" x 1-1/2" NPT Male x Female
By Apollo Valve
In Stock
$113.57
$64.79
You Save: 43%

mpn: 13213B15, ean: 0670750221118,

4.9 out of 5 stars with 11 reviews
This Apollo Valve 13-213 series steam relief valve is a safety valve for protecting small to medium low-pressure steam heating boilers. It has a cast bronze body, a 15 pounds per square inch (psi) relief pressure, a 1-1/4'' male National Pipe Thread (NPT) inlet connection and 1-1/2'' female NPT outlet, and a PTFE (polytetrafluoroethylene) seat. The valve's body and nozzle are bronze and the spring is steel for resistance to corrosion. The flat seat is a PTFE-faced disc for positive seal,


Apollo Valve 10-512 Series Brass Safety Relief Valve, ASME Steam, 15 psi Set Pressure, 1/2'' NPT Male x Female
Apollo Valve 10-512 Series Brass Safety Relief Valve, ASME Steam, 15 psi Set Pressure, 1/2" NPT Male x Female
By Apollo Valve
In Stock
$74.14
$71.61
You Save: 3%

mpn: 10512B15, ean: 0670750108761,

4.0 out of 5 stars with 28 reviews
This Apollo Valve 10-512 series steam relief valve protects against excess pressure from thermal expansion and steam caused by failure of BTU input controls. It has a brass body, a 15 pounds per square inch (psi) relief pressure, a 1/2'' male National Pipe Thread (NPT) inlet connection, 1/2'' female NPT outlet, and a pull ring for manual pressure relief. The valve's body, nozzle, and cap are brass for resistance to corrosion, and the seat is silicone for resistance to high temperatures. The


Apollo Valve 10-512 Series Brass Safety Relief Valve, ASME Steam, 50 psi Set Pressure, 1/2'' NPT Male x Female
Apollo Valve 10-512 Series Brass Safety Relief Valve, ASME Steam, 50 psi Set Pressure, 1/2" NPT Male x Female
By Apollo Valve
In Stock
$77.52

mpn: 10512B50, ean: 0670750107740,

4.1 out of 5 stars with 50 reviews
This Apollo Valve 10-512 series steam relief valve protects against excess pressure from thermal expansion and steam caused by failure of BTU input controls. It has a brass body, a 50 pounds per square inch (psi) relief pressure, a 1/2'' male National Pipe Thread (NPT) inlet connection, 1/2'' female NPT outlet, and a pull ring for manual pressure relief. The valve's body, nozzle, and cap are brass for resistance to corrosion, and the seat is silicone for resistance to high temperatures. The spri


Hypro 3312-0004 Thermal Relief valve
Hypro 3312-0004 Thermal Relief valve
By Hy-Pro
In Stock
$63.91

mpn: 3312-0004, ean: 0734943042567,

4.6 out of 5 stars with 32 reviews
Hypro 3312-0004 Thermal Relief valveHyPro. 3312-0004. Hypro 3312-0004 Thermal Relief valve.


Parker RAH101S50 Valve, Pilot Relief
Parker RAH101S50 Valve, Pilot Relief
By Parker
In Stock
$58.61

mpn: RAH101S50, ean: 0094700408167,

4.2 out of 5 stars with 35 reviews
Price for: each number of positions: - voltage: - termination: - way: - item: threaded cartridge Valve fits Valve number: - position: - max. Pressure (psi): 5000 application: pilot operated Relief valves are designed for continuous duty applications. Due to their stability and low pressure Rise, the pilot operated Relief is the best option for setting the system pressure of a hydraulic system. Valve Type: pilot-operated Relief Valve cavity: c10-2 max. Flow GPM: 30 country of origin (subject to


Control Devices SW Series Brass ASME Safety Valve, 150 psi Set Pressure, 1'' Male NPT
Control Devices SW Series Brass ASME Safety Valve, 150 psi Set Pressure, 1" Male NPT
By Control Devices
In Stock
$90.62

mpn: SW10-0A150,

4.1 out of 5 stars with 29 reviews
This Control Devices SW10-0A150 ASME safety valve has a brass body, a 150 psi relief pressure, a 1'' male NPT threaded inlet connection, and a stainless steel pull ring for manual pressure relief. The valve's brass body, brass valve seat, and the stainless steel spring resist corrosion and can be used in operating temperatures up to 250 degrees F. The preset relief pressure is accurate to within +/- 3 percent and a silicon O-ring provides a leak-proof seal to within +/- 10 percent of the relief


Kunkle 6010GFE01-AM0150 Bronze ASME Safety Relief Valve for Steam, EPR Soft Seat, 150 Preset Pressure, 1-1/4'' NPT Male Inlet x NPT Female Outlet
Kunkle 6010GFE01-AM0150 Bronze ASME Safety Relief Valve for Steam, EPR Soft Seat, 150 Preset Pressure, 1-1/4" NPT Male Inlet x NPT Female Outlet
By Kunkle Valves
In Stock
$403.99
$322.25
You Save: 20%

mpn: 6010GFE01-AM0150,

4.4 out of 5 stars with 22 reviews
This PENTAIR KUNKLE VALVE safety relief valve is factory preset and sealed to help prevent tampering, and features a pivot between the disc and spring to help correct misalignment. Not adjustable. Safety Relief Valve, 1-1/4 x 1-1/2, 150psiBronze relief pressure valve with preset pressure of 150 psi for releasing excess pressure. 1-1/4'' male NPT threaded inlet, 1-1/2'' female NPT threaded side outlet. EPR soft seat for resistance to cold, heat, water, and steam. Operating temperature range of -6


Taco 334-T3 Boiler Feed Valve, Pressure Reducing Valve
Taco 334-T3 Boiler Feed Valve, Pressure Reducing Valve
By Taco
In Stock
$75.55

mpn: 334-T3, ean: 0687752022308,

4.5 out of 5 stars with 34 reviews
Taco 334-T3 is a combination Boiler Feed Valve and Pressure Relief Valve. Features cast iron body and 1/2'' threaded inlets.This boiler feed valve combination is used to automatically feed water to a system whenever the pressure in the system drops below the pressure setting of the valve. The pressure relief valve is factory set to 30 psi..


Watts Water Technologies - LF174A-150-3/4 - 5-1/8H Boiler Pressure Relief Valve, 2, 445, 000 BtuH, 150 psi
Watts Water Technologies - LF174A-150-3/4 - 5-1/8H Boiler Pressure Relief Valve, 2, 445, 000 BtuH, 150 psi
By Watts
In Stock
$144.01

mpn: LF174A-150-3/4",

4.7 out of 5 stars with 59 reviews
Boiler Pressure Relief Valve, Inlet Type FNPT, Outlet Type FNPT, Inlet Size 3/4 In., Outlet Size 3/4 In., Body Height 5-1/8 In., 2,445,000 BtuH, Factory Set Pressure 150 psi, Max. Temp. 250 Degrees F, Auto Re-Seating No, Body Material Lead Free Copper Silicon Alloy, Spring Material Stainless Steel, Body Width 2-1/2 In., Standards ASME, MIL-V-18634BUSA.


Dixon Valve GLS415 Stainless Steel Case Liquid Filled Gauge with White Aluminum Dial, 1/4'' Lower Mount, 2-1/2'' Face, 0-100 PSI Maximum Pressure, 2 Minor Gradient
Dixon Valve GLS415 Stainless Steel Case Liquid Filled Gauge with White Aluminum Dial, 1/4" Lower Mount, 2-1/2" Face, 0-100 PSI Maximum Pressure, 2 Minor Gradient
By Dixon Valve & Coupling
In Stock
$34.82
$29.98
You Save: 14%

mpn: GLS415, ean: 0089109707492,

4.5 out of 5 stars with 52 reviews
This Dixon Valve GLS415 pressure gauge has a 1/4'' National Pipe Taper (NPT) male threaded lower mount, a 2-1/2'' display face and a stainless steel case with a polycarbonate crystal, and measures pressure from 0 to 100 pounds per square inch (psi). The liquid-filled gauge displays 2 psi increments on a white dial face with a black aluminum pointer and has ASME B40.1, Grade A accuracy (plus or minus 2-1-2 percent of span). Pressure is measured using a copper alloy bourdon tube, and the gauge


Adjustable Relief Valve, 3/4 x 1/2, 175psi
Adjustable Relief Valve, 3/4 x 1/2, 175psi
By Watts
In Stock
$36.41
$36.33

mpn: 530-3/4, ean: 0094700765901,

4.4 out of 5 stars with 38 reviews
'Relief Valve, Inlet/Outlet 3/4 x 1/2 In, MNPT x FNPT Connection, Material of Construction Brass, Pressure Range 50 To 175 PSI, Spring Material Stainless Steel, Temp Range 0 To 180 F, Standards ANSI Z21.22'Price For: Each Inlet Type: MNPT Temp. Range: 0 Degrees to 180 Degrees F Outlet Size: 1/2'' Spring Material: Stainless Steel Overall Height: 3'' Disc Material: Buna-N Application: Fire Protection Systems Pressure Range: 50 to 175 psi Overall Length: 1-5/8'' Body Material: Brass Standards:


WATTS Adjustable Relief Valve 1/2 in 175 psi
WATTS Adjustable Relief Valve 1/2 in 175 psi
By Watts
In Stock
$29.99

mpn: 5DLZ1,

4.0 out of 5 stars with 28 reviews
Calibrated adjustable relief valve body material lead-free brass inlet type mnpt outlet type fnpt inlet size 1/2 in. Outlet size 1/2 in. Pressure range 50 to 175 psi disc material buna-n overall height 3 in. Application fire protection systems overall length 1-5/8 in. Seat material buna-n spring material stainless steel temp range 0 degrees to 180 degrees f test lever no standards nsf fda.


Prince RV Series Differential Poppet Line Relief Valve: Prince No. RV-1H, 1500-3000 PSI Adj. Range, SAE 12 Port Size, 2000 PSI Relief, 222784
Prince RV Series Differential Poppet Line Relief Valve: Prince No. RV-1H, 1500-3000 PSI Adj. Range, SAE 12 Port Size, 2000 PSI Relief, 222784
By Prince
In Stock
$48.40

mpn: 222784,

4.7 out of 5 stars with 55 reviews
Comprised of a relief cartridge and a cast iron body. Provides smooth, quiet performance with minimum variation between cracking and full flow pressure. Max: 30 GPM, 3000 PSI.Prince Differential Poppet Inline Relief Valves (RV Series). Port Size: SAE 12. PSI: 1500-3000. Relief Setting: 2000 PSI. GPM Flow: 30.


Clippard FV-3P 3-Way Spool Plunger Actuated Spring Return Valve, 1/8'' NPT, 10.5 SCFM at 100 PSIG
Clippard FV-3P 3-Way Spool Plunger Actuated Spring Return Valve, 1/8" NPT, 10.5 SCFM at 100 PSIG
By clippard
In Stock
$32.70
$28.04
You Save: 14%

mpn: FV-3P,

4.8 out of 5 stars with 45 reviews
FV Series Spool Valves. These balanced spool valves are “fully ported” which means that all ports are useable and can handle pressure or vacuum or both. The FV-3 is a 3- way but can be used as a 2-way normally open or closed by plugging port 2 or 4. As a 3 way it can be connected as a normally closed, normally open and as a selector or diverter. The FV-5 can be connected in a dual pressure inlet configurationDesigned for use with Clippard manual, air piloted, electrical or mechanical actuato


Apollo Valve 13-510 Series Bronze Safety Relief Valve, ASME Steam, 15 psi Set Pressure, 3/4'' NPT Male x Female
Apollo Valve 13-510 Series Bronze Safety Relief Valve, ASME Steam, 15 psi Set Pressure, 3/4" NPT Male x Female
By Apollo Valve
In Stock
$33.02
$27.06
You Save: 18%

mpn: 13511B15, ean: 0670750221255,

4.5 out of 5 stars with 43 reviews
This Apollo Valve 13-510 series steam relief valve is a safety valve for protecting small to medium low-pressure steam heating boilers. It has a cast bronze body, a 15 pounds per square inch (psi) relief pressure, a 3/4'' male National Pipe Thread (NPT) inlet connection and 3/4'' female NPT outlet, and a PTFE (polytetrafluoroethylene) seat. The valve's body and nozzle are bronze and the spring is steel for resistance to corrosion. The flat seat is a PTFE-faced disc for positive seal, resistance


Watts Regulator 0011917 Bronze 2-Port 3/4'' Pressure Relief Valve, 150 psi
Watts Regulator 0011917 Bronze 2-Port 3/4" Pressure Relief Valve, 150 psi
By Watts
In Stock
$33.99
$32.97
You Save: 3%

mpn: 0011917, ean: 0098268001563,

4.7 out of 5 stars with 36 reviews
3L 150PSI Pressure Relief Valve with Test Lever Series 3L is used for protection against excessive pressure on domestic storage tanks or tankless water heaters. Similar in construction to Watts Model 10L, the Model 3L has no temperature relieving element. Pressure range is 75-150psi (5.2-10.3 bar). These pressure relief valves are popularly used in conjunction with the Model 210 gas shutoff valve on gas water heaters to shut off gas to heater if water heater temperature exceeds 210 degrees F


Legend Valve 111-304NL T-50 No Lead Pressure Relief Valve 75-150 PSI, 3/4''
Legend Valve 111-304NL T-50 No Lead Pressure Relief Valve 75-150 PSI, 3/4"
By Legend Valve
In Stock
$15.18
$14.89
You Save: 2%

mpn: 111-304NL,

4.2 out of 5 stars with 24 reviews
LEGEND MODEL T-50 pressure relief valves are for protection against excessive pressure. Recommended for all water system installations to protect against damage to piping and pressure tanks. They are set at 75 P.S.I. and are adjustable to 150 P.S.I.Pressure Rating: Adjustable from 75 to 150 P.S.I. Brass Body. Iron Pipe Straight Thread. Pressure relief valves are for protection against excessive pressure. Spring is made of Stainless Steel.


SEA TECH (0121325 1/2'' Temperature and Pressure Relief Valve (4)
SEA TECH (0121325 1/2" Temperature and Pressure Relief Valve (4)
By SEA TECH
In Stock
$113.28

mpn: 0121325, ean: 0689273393424,

4.6 out of 5 stars with 34 reviews
SeaTech Inc 0121325 Water Heater Pressure Relief Valve; 1/2 Inch NPT Valve Size; 150 PSI Rating; 15,000 BTU Rating; Brass Body; Stainless Steel Spring4 PACK. Set Pressure (PSI): 150 Pounds Per Square Inch. End Size1: 1/2 Inch NPT. End Size2: 1/2 Inch NPT. Material: Brass Body/ Stainless Steel Spring.


Prince RD-1850-H Relief Valve, Cast Iron, 2500 psi, 16 gpm, 1/2'' NPTF
Prince RD-1850-H Relief Valve, Cast Iron, 2500 psi, 16 gpm, 1/2" NPTF
By Prince Manufacturing
In Stock
$63.80
$47.12
You Save: 26%

mpn: RD-1850-H,

4.5 out of 5 stars with 23 reviews
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 ball/spring reliefs. Please refer to the model RV relief for a system pressure relief. The valve is available with a standard steel seat, model RD-1800S, or with a hardened seat, model RD-1800H. Both models are exte


Watts Water Technologies N36-M1 1/2'' Water Service Vacuum Relief Valve
Watts Water Technologies N36-M1 1/2" Water Service Vacuum Relief Valve
By Watts
In Stock
$40.23

mpn: N36 M1, ean: 0098268695717,

4.4 out of 5 stars with 14 reviews
Product can not ship to California, Vermont, and outside United States. Watts Vacuum Relief Valve N36 M1, 1/2'' (0138457)Series N36 Water Service Vacuum Relief Valves are used in water heater/tank applications to automatically allow air to enter into the piping system to prevent vacuum conditions that could siphon the water from the system and damage water heater/tank equipment. It consists of a brass body construction with NPT male inlet connection, and a protective cap. Series N36 has a low



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