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    Vacuum & Pressure Relief Valves

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    CDI CONTROL DEVICES Valve, Relief, 3/4 In
    Mfr # VR75-100
    Key Features:
    Item: Vacuum/Pressure Relief Valve
    Valve Inlet Port: 3/4 in NPT
    Preset Setting (PSI): 0 to 14.7
    $23.80
    JOHNSON CONTROLS Pressure Reducing Station
    Mfr # A-4000-138
    Key Features:
    Item: Compressed Air Regulator
    Preset Setting (PSI): 25
    Max. Flow - Regulators: 25 cfm
    $355.59
    CDI CONTROL DEVICES Valve, Relief, 3/8 In
    Mfr # VR38-100
    Key Features:
    Item: Vacuum/Pressure Relief Valve
    Valve Inlet Port: 3/8 in NPT
    Preset Setting (PSI): 0 to 14.7
    $13.29
    WATTS 740-3/4-45 Relief Valve
    Mfr # 740-3/4-45
    Key Features:
    $192.11
    CONTROL DEVICES Pressure Relief Valve, 1/4in., 0 to 20 psi
    Mfr # PR25-000
    Key Features:
    Item: Pressure Relief Valve
    Valve Inlet Port: 1/4 in NPT
    Preset Setting (PSI): 0 to 20
    $7.36
    WATTS 80000Btu/Hr 150PSI 3/4in Relief Valve
    Mfr # 10L-2
    Key Features:
    $50.59
    CONTROL DEVICES Pressure Relief Valve, 3/8in., 0 to 20 psi
    Mfr # PR38-000
    Key Features:
    Item: Pressure Relief Valve
    Valve Inlet Port: 3/8 in NPT
    Preset Setting (PSI): 0 to 20
    $11.19
    WATTS 174A-3/4-60 Relief Valve 3/4"
    Mfr # 174A-3/4-6
    Key Features:
    $205.08
    ATLANTIC BLOWERS Pressure/Vacuum Relief Valve 2”
    Mfr # AB-20003
    Key Features:
    Item: Relief Valve, (F)NPT Fitting,2"
    $218.99
    CDI CONTROL DEVICES Valve, Relief, 1/4 In
    Mfr # VR25-100
    Key Features:
    Item: Vacuum/Pressure Relief Valve
    Valve Inlet Port: 1/4 in NPT
    Preset Setting (PSI): 0 to 14.7
    $11.08
    WATTS 740-2-40 Relief Valve
    Mfr # 740-2-40
    Key Features:
    $1,233.95
    ATLANTIC BLOWERS Pressure/Vacuum Relief Valve 3”
    Mfr # AB-20006
    Key Features:
    Item: Relief Valve, (F)NPT Fitting,3"
    $279.92
    WATTS 40Xl-4-1 T&P Relief Valve
    Mfr # 40XL-4-1
    Key Features:
    $364.52
    WATTS 740-2-30 Relief Valve
    Mfr # 740-2-30
    Key Features:
    $1,127.28
    CONTROL DEVICES Pressure Relief Valve, 1/4in, 50 to 125psi
    Mfr # PR25-008
    Key Features:
    Item: Pressure Relief Valve
    Valve Inlet Port: 1/4 in NPT
    Preset Setting (PSI): 50 to 125
    $12.69
    6% off
    $11.85
    SMC Pressure Relief, 3 Port Valve 3/4" Port
    Mfr # VHS50-N06A-Z
    Key Features:
    Item: Pressure Relief,3 Port Valve 3/4" Port
    $88.89
    WATTS 740-2-75 Relief Valve 2X2-1/2
    Mfr # 740-2-75
    Key Features:
    $925.38
    CONTROL DEVICES Vacuum Relief Valve, 3/4" NPT Inlet Port
    Mfr # VRGSS075-001
    Key Features:
    Item: Vacuum Relief Valve
    Valve Inlet Port: 3/4 in NPT
    Valve Vacuum Range: 0 to 28 in Hg
    $250.78
    CONTROL DEVICES Vacuum Relief Valve, 1-1/4"NPT Inlet Port
    Mfr # VRG125-001
    Key Features:
    Item: Vacuum Relief Valve
    Valve Inlet Port: 1-1/4 in NPT
    Valve Vacuum Range: 0 to 28 in Hg
    $385.72
    CONTROL DEVICES Vacuum Relief Valve, 1/4" NPT Inlet Port
    Mfr # VRGSS025-001
    Key Features:
    Item: Vacuum Relief Valve
    Valve Inlet Port: 1/4 in NPT
    Valve Vacuum Range: 0 to 28 in Hg
    $51.47
    WATTS 3L Relief Valve 3/4" 150 Psi
    Mfr # 3L
    Key Features:
    $63.75
    CONTROL DEVICES Vacuum Relief Valve, 1-1/2"NPT Inlet Port
    Mfr # VRG150-001
    Key Features:
    Item: Vacuum Relief Valve
    Valve Inlet Port: 1-1/2 in NPT
    Valve Vacuum Range: 0 to 28 in Hg
    $373.28
    13% off
    $323.19
    WATTS 740-3/4-30 Relief Valve 3/4" X
    Mfr # 740-3/4-30
    Key Features:
    $182.39
    ATLANTIC BLOWERS Pressure/Vacuum Relief Valve 1.5”
    Mfr # AB-20002
    Key Features:
    Item: Relief Valve, (F)NPT Fitting,1.50"
    $208.10
    WATTS 174A-3/4-40 Relief Valve 3/4
    Mfr # 174A-3/4-4
    Key Features:
    $201.16
    WATTS 40Xl-5-3/4 T&P Relief Valve
    Mfr # 40XL-5-3/4
    Key Features:
    $195.27
    SMC Pressure Relief, 3 Port Valve, 1/2" Port
    Mfr # VHS40-N04A-Z
    Key Features:
    Item: Pressure Relief,3 Port Valve,1/2" Port
    $54.59
    JOHNSON CONTROLS Air Pressure Reducing Valve, 3/8
    Mfr # R-130-15
    Key Features:
    Item: Compressed Air Regulator
    Preset Setting (PSI): 25
    Pipe Size - Regulators: 3/8 in
    $183.34
    CDI CONTROL DEVICES Valve, Relief, 1 MNPT, 0-40 CFM, 0-20 PSI
    Mfr # VR10-013
    Key Features:
    Item: Vacuum/Pressure Relief Valve
    Valve Inlet Port: 1 in NPT
    Preset Setting (PSI): 0 to 14.7
    $82.80
    14% off
    $70.79
    WATTS 174A-1-30 Relief Valve
    Mfr # 174A-1-30
    Key Features:
    $480.80
    11% off
    $427.14
    PARKER Pressure Control Valve, 250 psi, 1/2 NPT
    Mfr # 647B-4-1/2-2
    Key Features:
    Item: Pressure Control Valve
    Item - Pressure Control Valves: Pressure Control Valve
    Pressure Range - Hydraulic Valves: 115 to 250 psi
    $3,134.08
    WATTS 174A-3/4-30 Relief Valve 3/4
    Mfr # 174A-3/4-3
    Key Features:
    $178.71
    CONTROL DEVICES Vacuum Relief Valve, 3/8" NPT Inlet Port
    Mfr # VRGSS038-001
    Key Features:
    Item: Vacuum Relief Valve
    Valve Inlet Port: 3/8 in NPT
    Valve Vacuum Range: 0 to 28 in Hg
    $78.85
    WATTS 174A-3/4-50 Relief Valve 3/4
    Mfr # 174A-3/4-5
    Key Features:
    $249.74
    12% off
    $218.99
    COILHOSE PNEUMATICS ASME-Approved Relief Valves 70 PSI
    Mfr # SV070
    Key Features:
    $12.39
    SMC Pressure Relief, 3 Port Valve, 1/8" Port
    Mfr # VHS20-N01A-Z
    Key Features:
    $39.85
    156 Results (Showing 1 - 36)
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    About Vacuum & Pressure Relief Valves

    Pressure buildup in heavy machinery and HVAC systems can be a real threat to workplace and residential safety. Zoro’s selection of vacuum and pressure relief valves are designed for just such instances when pressure levels have exceeded the safe zone and air or vapor needs to be released. From the simplest relief valve to vacuum valves to multiport valves and full releasing stations, find the right valve for your particular environment. After all, safety comes first. For other types of valves, shop for flow control valves, safety valves and blower relief valves.

    Frequently Asked Questions

    What Brands of Vacuum & Pressure Relief Valves does Zoro Carry?

    We carry many of the top brands and manufacturers including WATTS, CONTROL DEVICES, CDI CONTROL DEVICES, and many more.

    What Port Size Hydraulic Valves for Vacuum & Pressure Relief Valves are available?

    At Zoro we carry a wide assortment including some of the most common Port Size Hydraulic Valves choices such as 1/4 in NPT, 1/2 in NPT, and 3/4 in NPT.

    What are some popular options available within Vacuum & Pressure Relief Valves?

    Within our Vacuum & Pressure Relief Valves collection, Pressure Control Valve, Vacuum Relief Valve, and Compressed Air Regulator options are some of the most popular items we sell.

    Which features are most common for Vacuum & Pressure Relief Valves?

    Some common characteristics of Vacuum & Pressure Relief Valves are the Port Size Hydraulic Valves, Max Flow Hydraulic Valves, and Body Material Hydraulic Valves.

    Other Related Categories

    Pneumatic Flow Control Valves Pneumatic Tool Parts Quick Connect Fittings Hose Clamps Pneumatic Modular FRL Accessories Regenerative Blowers
    General Purpose Filter Pneumatic Regulators 10 psi pressure relief valve cdi control devices vr25-100 cdi control devices vr38-100 cdi control devices vacuum & pressure relief valves

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