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    18 Products

    Long-Life Back-Pressure-Regulating Valves for Water and Oil

    Image of Product. Front orientation. Contains Annotated. Pressure-Regulating Valves. Long-Life Back-Pressure-Regulating Valves for Water and Oil.
    For a longer service than cast iron valves, these have a durable bronze body and a 303 stainless steel seal. Commonly installed as bypass lines after centrifugal, reciprocating, and rotary pumps, they obstruct flow to maintain sufficient operating pressure in your system. If the system pressure exceeds the set pressure, they exhaust through the outlet. Adjust the set pressure within the range.
    Inlet
    Outlet
    Pipe
    Size
    Location
    Max. Pressure,
    psi
    Pipe
    Size
    Location
    Pressure Adjustment
    Method
    Port-to-Port
    Lg.
    For Use
    With
    Temp. Range,
    ° F
    Choose an Outlet Pressure, psi
    Each
    NPT Female
     
    Bronze Body—303 Stainless Steel Seal
    1/4
    Bottom6001/4
    SideScrew1 1/4"Water, Oil-40 to 450
    15 to 30
    ,
    25 to 75
    ,
    50 to 140
    ,
    100 to 300
    ,
    200 to 600
    00000000000000
    3/8
    Bottom6003/8
    SideScrew1 1/4"Water, Oil-40 to 450
    15 to 30
    ,
    25 to 75
    ,
    50 to 140
    ,
    100 to 300
    ,
    200 to 600
    0000000000000
    1/2
    Bottom6001/2
    SideScrew1 5/8"Water, Oil-40 to 450
    15 to 75
    ,
    50 to 150
    ,
    100 to 300
    ,
    200 to 600
    0000000000000
    3/4
    Bottom6003/4
    SideScrew1 5/8"Water, Oil-40 to 450
    15 to 75
    ,
    50 to 150
    ,
    100 to 300
    ,
    200 to 600
    0000000000000
    1
    Bottom6001
    SideScrew2 1/4"Water, Oil-40 to 450
    15 to 75
    ,
    50 to 150
    ,
    100 to 300
    ,
    200 to 600
    0000000000000
    1 1/4
    Bottom6001 1/4
    SideScrew2 1/4"Water, Oil-40 to 450
    15 to 75
    ,
    50 to 150
    ,
    100 to 300
    ,
    200 to 600
    0000000000000
     

    Back-Pressure-Regulating Valves for Water and Oil

    Image of Product. Front orientation. Pressure-Regulating Valves. Back-Pressure-Regulating Valves for Water and Oil.
    Commonly used as bypass lines after centrifugal, reciprocating, and rotary pumps, these valves obstruct flow to maintain sufficient operating pressure in your system. If the system pressure exceeds the set pressure, they exhaust through the threaded relief port. Adjust the set pressure within the range. Valves have a cast iron body that absorbs vibration from pressure changes to reduce wear and noise in your pipeline.
    Inlet
    Outlet
    Relief
    Port
    Pipe
    Size
    Location
    Max. Pressure,
    psi
    Pipe
    Size
    Location
    Pressure Adjustment
    Method
    Pipe
    Size
    Location
    End-to-End
    Lg.
    For Use
    With
    Temp. Range,
    ° F
    Choose an Outlet Pressure, psi
    Each
    NPT Female
     
    Cast Iron Body—Nickel Diaphragm and 303 Stainless Steel Seal
    1/2
    Side4001/2
    SideScrew1/2
    Bottom2 7/8"Water, Oil-40 to 200
    0 to 25
    ,
    5 to 50
    ,
    30 to 100
    ,
    75 to 175
    ,
    150 to 400
    00000000000000
    1 1/4
    Side4001 1/4
    SideScrew1 1/4
    Bottom4 1/4"Water, Oil-40 to 200
    20 to 85
    ,
    40 to 125
    ,
    50 to 230
    ,
    175 to 380
    ,
    300 to 400
    000000000000000
    1 1/2
    Side4001 1/2
    SideScrew1 1/2
    Bottom5"Water, Oil-40 to 200
    10 to 55
    ,
    30 to 100
    ,
    40 to 200
    ,
    125 to 300
    ,
    200 to 400
    000000000000000
    2
    Side4002
    SideScrew2
    Bottom5"Water, Oil-40 to 200
    10 to 55
    ,
    30 to 100
    ,
    40 to 200
    ,
    125 to 300
    ,
    200 to 400
    000000000000000
     

    Sanitary Back-Pressure-Regulating Valves

    Image of Product. Front orientation. Contains Annotated. Pressure-Regulating Valves. Sanitary Back-Pressure-Regulating Valves.
    Designed to meet 3-A sanitary standards, these valves regulate liquid, gas, and air pressure in hygienic zones of food and beverage plants. They’re often used at the end of pipelines on processing and sanitizing equipment. Made of 316 stainless steel, they won't corrode from frequent washdowns with harsh cleaners. With an extremely smooth interior that self-drains, bacteria won't have time or space to grow. The spring and internal valve mechanisms are sealed off behind the diaphragm, which also prevents contamination. They connect with quick-clamp fittings, so disassembling to clean your line takes little time.
    These valves obstruct flow to maintain sufficient operating pressure in your system. If the system pressure exceeds the set pressure, they exhaust through the outlet. They meet ANSI/FCI 70-2 Class III standards for shut-off valves, meaning a maximum of 0.1% of fluid, gas, or air will escape through the outlet when they’re closed. An integrated T-handle lets you set the outlet pressure without additional tools. The diaphragm and seal resist repeated exposure to water, and they’re FDA compliant for direct contact with food.
    Inlet
    Outlet
    Lg.
    For Tube
    OD
    Flange
    OD
    Location
    Max. Pressure,
    psi
    For Tube
    OD
    Flange
    OD
    Location
    Pressure Adjustment
    Method
    End-to-End
    Port-to-Port
    For Use With
    Temp. Range,
    ° F
    Specs. Met
    Food Industry Std.
    Choose an Outlet Pressure, psi
    Each
    Quick Clamp
     
    316 Stainless Steel Body—EPDM Diaphragm and Seal
    3/4"0.984"Side2003/4"0.984"BottomT-Handle6 5/8"3 9/32"Food, Beverage-40 to 120ANSI/FCI 70-2 Class III3-A Certified 64-00, FDA Compliant 21 CFR 177.2600
    5 to 30
    ,
    35 to 90
    ,
    50 to 105
    000000000000000
    1"1.984"Side2001"1.984"BottomT-Handle6 11/16"3 5/16"Food, Beverage-40 to 120ANSI/FCI 70-2 Class III3-A Certified 64-00, FDA Compliant 21 CFR 177.2600
    5 to 30
    ,
    35 to 90
    ,
    50 to 105
    00000000000000
     
    316 Stainless Steel Body—PTFE Diaphragm and EPDM Seal
    2"2.516"Side1002"2.516"BottomT-Handle11 5/8"5 3/4"Food, Beverage-40 to 120ANSI/FCI 70-2 Class III3-A Certified 64-00, FDA Compliant 21 CFR 177.2600
    10 to 25
    ,
    15 to 60
    00000000000000
     

    Back-Pressure-Regulating Valves for Air and Inert Gas

    Image of Product. Front orientation. Pressure-Regulating Valves. Back-Pressure-Regulating Valves for Air and Inert Gas.
    Often used to protect equipment running on air compressors, these valves obstruct flow to maintain sufficient operating pressure in your system. If the system pressure exceeds the set pressure, they exhaust through the unthreaded relief port. Adjust the set pressure within the range. Valves have two gauge ports.
    Inlet
    Outlet
    Gauge Port
    Pipe
    Size
    Location
    Max. Pressure,
    psi
    Pipe
    Size
    Location
    Pressure Adjustment
    Method
    Pressure Gauge
    Included
    Pipe
    Size
    Location
    Connection
    Relief Port
    Location
    End-to-End
    Lg.
    For Use With
    Temp. Range,
    ° F
    Choose an Outlet Pressure, psi
    Each
    NPT Female
     
    Aluminum Body—Buna-N Diaphragm and Seal
    1/4
    Side2501/4
    SideKnobNo1/4
    SideNPT FemaleSide3"Air, Inert Gas0 to 150
    0 to 2
    ,
    0 to 10
    ,
    0 to 30
    ,
    0 to 60
    ,
    0 to 150
    00000000000000
    3/8
    Side2503/8
    SideKnobNo1/4
    SideNPT FemaleSide3"Air, Inert Gas0 to 150
    0 to 2
    ,
    0 to 10
    ,
    0 to 30
    ,
    0 to 60
    ,
    0 to 150
    0000000000000
    1/2
    Side2501/2
    SideKnobNo1/4
    SideNPT FemaleSide3"Air, Inert Gas0 to 150
    0 to 2
    ,
    0 to 10
    ,
    0 to 30
    ,
    0 to 60
    ,
    0 to 150
    0000000000000
     

    Panel-Mount Back-Pressure-Regulating Valves for Air and Inert Gas

    Image of Product. Front orientation. Pressure-Regulating Valves. Panel-Mount Back-Pressure-Regulating Valves for Air and Inert Gas.
    Threads below the adjustment knob and an included panel-mount nut allow you to add these valves to your instrument panel. Often used in systems running on air compressors, they're installed after pressure-sensitive equipment to obstruct flow and maintain a consistent operating pressure. If the system pressure exceeds the set pressure, they exhaust through the outlet. Adjust the set pressure within the range.
    Inlet
    Outlet
    Pipe
    Size
    Thread
    Size
    Location
    Max. Pressure,
    psi
    Pipe
    Size
    Thread
    Size
    Location
    Pressure Adjustment
    Method
    End-to-End
    Lg.
    Panel Cutout
    Dia.
    For Use With
    Temp. Range,
    ° F
    Choose an Outlet Pressure, psi
    Each
    NPT Female
     
    Polysulfone Body—Buna-N Diaphragm and Silicone Seal
    1/8
    Side1001/8
    SideKnob1 1/8"9/16"Air, Inert Gas40 to 150
    0.5 to 3.5
    ,
    0.5 to 10
    ,
    0.5 to 30
    ,
    0.5 to 60
    ,
    0.5 to 90
    00000000000000
     
    UNF Female
     
    Polysulfone Body—Buna-N Diaphragm and Silicone Seal
    10-32
    Side10010-32
    SideKnob1 1/8"9/16"Air, Inert Gas40 to 150
    0.5 to 3.5
    ,
    0.5 to 10
    ,
    0.5 to 30
    ,
    0.5 to 60
    ,
    0.5 to 90
    0000000000000
     
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