Skip to main content
eBay Logo

Shop by category

Advanced
    • eBay Deals
    • Help & Contact
    • Current language EnglishEnglish
      • Français
    • Sell
    • Watch ListExpand Watch List
      Loading...
      Sign in to see your user information
    • My eBayExpand My eBay
      • Summary
      • Recently Viewed
      • Bids/Offers
      • Watch List
      • Purchase History
      • Selling
      • Saved Searches
      • Saved Sellers
      • My Garage
      • Messages
    • Expand Cart
      Loading...
      Something went wrong. View cart for details.
    {"delay":300}

    There seems to be a problem serving the request at this time

    You are here

    • eBay
    • Business & Industrial
    • Hydraulics, Pneumatics, Pumps & Plumbing
    • Valves & Manifolds
    • Relief Valves

    Relief Valves

    Side Refine Panel

    Shop by Category

    • Valves & Manifolds
    • Relief Valves
    • Air Control Valves
    • Air Pilot Valves
    • Backflow Preventers
    • Ball Valves
    • Butterfly Valves
    • Cartridge Valves
    • Check & Foot Valves
    • Diaphragm Valves
    • Directional Control Valves
    • Float Valves
    • Flow Dividers
    • Flush Valves
    • Gate Valves
    • Globe Valves
    • Mixing Valves
    • Needle Valves
    • Plug Valves
    • Quick Exhaust Valves
    • Sequence Valves
    • Shuttle Valves
      • Stop Valves
      • Vacuum Breakers
      • Water Pressure Reducing Valves
      • Manifolds
      • Other Valves & Manifolds
    LessView less categories

    Shop by Body Material

    • Brass

      Brass

    • Bronze

      Bronze

    • Stainless Steel

      Stainless Steel

    • Cast Iron

      Cast Iron

    • Aluminum

      Aluminum

    • Carbon Steel

      Carbon Steel

    Shop by Outlet Diameter

    • 1/8 in

    • 1/4 in

    • 3/8 in

    • 1/2 in

    • 3/4 in

    • 1 in

    • 1 1/4 in

    • 1 1/2 in

    • 2 in

    • 4 in

    • All

    • Auction

    • Buy It Now

    • Best Match
    • Time: ending soonest
    • Time: newly listed
    • Price + Shipping: lowest first
    • Price + Shipping: highest first
    • Distance: nearest first
    • List View

    4,117 Results

      • Rexroth
      • Parker
      • Festo
      • Agilent
      • Enerpac
      • Air-Operated
      • Solenoid
      • 1/4 in
      • 1/2 in
      • 3/4 in
      • 1 in
      • 1 1/4 in
      • 1 1/2 in
      • 2 in
      • 3/8 in
      • 1/2 in
      • 3/4 in
      • 1 in
      • 1 1/4 in
      • 1 1/2 in
      • 2 in
      • 4 in
      • Aluminum
      • Brass
      • Bronze
      • Carbon Steel
      • Cast Iron
      • Stainless Steel
      • All Listings filter applied
    • 1/4 " NPT 40 PSI Air Compressor Safety Relief Pressure Valve Tank Pop Off New
      SPONSORED

      1/4 " NPT 40 PSI Air Compressor Safety Relief Pressure Valve Tank Pop Off New

      C $11.47
      C $16.60 shipping
    • 50-350 PSI BLUE SPRING KIT FOR PRESSURE RELIEF VALVE SWAGELOK 177-13K-R4-A
      SPONSORED

      50-350 PSI BLUE SPRING KIT FOR PRESSURE RELIEF VALVE SWAGELOK 177-13K-R4-A

      C $23.07
      C $28.76 shipping
      or Best Offer
    • 1/4" NPT 190 PSI Air Compressor Safety Relief Pressure Valve Tank Pop Off New
      SPONSORED

      1/4" NPT 190 PSI Air Compressor Safety Relief Pressure Valve Tank Pop Off New

      C $11.47
      C $16.60 shipping
    • 150 PSI Air Compressor Safety Relief Pop Off Valve Solid Brass 1/4" Male NPT New
      SPONSORED

      150 PSI Air Compressor Safety Relief Pop Off Valve Solid Brass 1/4" Male NPT New

      C $10.19
      C $16.60 shipping
      1,069 sold
    • 1/4" NPT 200 PSI Air Compressor Safety Relief Pressure Valve Tank Pop Off New

      1/4" NPT 200 PSI Air Compressor Safety Relief Pressure Valve Tank Pop Off New

      C $11.47
      C $16.60 shipping
    • 0-100 PSI Brass CR Series Adjustable Air Pressure Relief Valve Control Devices

      0-100 PSI Brass CR Series Adjustable Air Pressure Relief Valve Control Devices

      4.5 out of 5 stars (3)3 product ratings - 0-100 PSI Brass CR Series Adjustable Air Pressure Relief Valve Control Devices
      C $19.16
      C $16.60 shipping
      469 sold
    • 1/4" NPT 60 PSI Air Compressor Safety Relief Pressure Valve Tank Pop Off New

      1/4" NPT 60 PSI Air Compressor Safety Relief Pressure Valve Tank Pop Off New

      C $11.47
      C $16.60 shipping
      330 sold
    • New 1/2" NPT 150 PSI Air Compressor Safety Relief Pressure Valve Tank Pop Off

      New 1/2" NPT 150 PSI Air Compressor Safety Relief Pressure Valve Tank Pop Off

      5 out of 5 stars (2)2 product ratings - New 1/2" NPT 150 PSI Air Compressor Safety Relief Pressure Valve Tank Pop Off
      C $20.11
      C $16.60 shipping
      512 sold
    • 1/4" NPT 150 PSI Air Compressor Safety Relief Pressure Valve Tank Pop Off New

      1/4" NPT 150 PSI Air Compressor Safety Relief Pressure Valve Tank Pop Off New

      C $11.47
      C $16.60 shipping
      Only 3 left
    • 1/4" NPT 225 PSI Air Compressor Safety Relief Pressure Valve Tank Pop Off New

      1/4" NPT 225 PSI Air Compressor Safety Relief Pressure Valve Tank Pop Off New

      C $11.47
      C $16.60 shipping
      36 sold
    • NNI 1/2" NPT Calibrated Pressure Relief Valve 50-200 Psi Adjustment BPR050C

      NNI 1/2" NPT Calibrated Pressure Relief Valve 50-200 Psi Adjustment BPR050C

      C $50.63
      C $21.19 shipping
      566 sold
    • Pressure Safety Relief Valve F-30 3/4" Automatic Reseating ~ New

      Pressure Safety Relief Valve F-30 3/4" Automatic Reseating ~ New

      C $28.13
      C $21.64 shipping
      79 sold
    • 1/8" NPT 175 PSI Air Compressor Safety Relief Pressure Valve Tank Pop Off New

      1/8" NPT 175 PSI Air Compressor Safety Relief Pressure Valve Tank Pop Off New

      C $10.88
      C $16.60 shipping
      74 sold
    • New 1/2" NPT 125 PSI Air Compressor Safety Relief Pressure Valve Tank Pop Off
      SPONSORED

      New 1/2" NPT 125 PSI Air Compressor Safety Relief Pressure Valve Tank Pop Off

      5 out of 5 stars (1)1 product ratings - New 1/2" NPT 125 PSI Air Compressor Safety Relief Pressure Valve Tank Pop Off
      C $20.11
      C $16.60 shipping
    • 1/4" NPT 75 PSI Air Compressor Safety Relief Pressure Valve Tank Pop Off New
      SPONSORED

      1/4" NPT 75 PSI Air Compressor Safety Relief Pressure Valve Tank Pop Off New

      C $11.47
      C $16.60 shipping
    • 15 PSI 3/8" Male NPT Air Compressor Safety Relief Pop Off Valve Solid Brass New
      SPONSORED

      15 PSI 3/8" Male NPT Air Compressor Safety Relief Pop Off Valve Solid Brass New

      C $12.16
      C $16.60 shipping
    • Adj. Pressure Relief Valve; Direct-Acting; #8 SAE; 20 GPM

      Adj. Pressure Relief Valve; Direct-Acting; #8 SAE; 20 GPM

      C $76.84
      C $20.10 shipping
    •  5 PSI 1/4 NPT Pressure Relief Valve Heartland HPV-1005

      5 PSI 1/4 NPT Pressure Relief Valve Heartland HPV-1005

      C $10.25
      Was: C $12.82
      C $18.09 shipping
      89 sold
    • 100 PSI 3/8" Male NPT Air Compressor Safety Relief Pop Off Valve Solid Brass New

      100 PSI 3/8" Male NPT Air Compressor Safety Relief Pop Off Valve Solid Brass New

      C $11.91
      C $16.60 shipping
      2 watching
    • 190 PSI Air Compressor Safety Relief Pop Off Valve Solid Brass 1/4" Male NPT New

      190 PSI Air Compressor Safety Relief Pop Off Valve Solid Brass 1/4" Male NPT New

      C $10.19
      C $16.60 shipping
      Only 1 left!
    • Circle Valve HP532B-2M-285 High Pressure Popoff Relief Valve 1/4"

      Circle Valve HP532B-2M-285 High Pressure Popoff Relief Valve 1/4"

      C $16.24
      Was: C $24.98
    • Hansen H5600A Pressure Relief Valve 1/2"x3/4"300 PSI For Refrigerant Gas Service

      Hansen H5600A Pressure Relief Valve 1/2"x3/4"300 PSI For Refrigerant Gas Service

      C $128.16
      C $75.02 shipping
      or Best Offer
    • 1/4" NPT 115 PSI Air Compressor Safety Relief Pressure Valve Tank Pop Off New

      1/4" NPT 115 PSI Air Compressor Safety Relief Pressure Valve Tank Pop Off New

      C $11.47
      C $16.60 shipping
      Only 1 left!
    • 1/4" NPT 125 PSI Air Compressor Safety Relief Pressure Valve Tank Pop Off New

      1/4" NPT 125 PSI Air Compressor Safety Relief Pressure Valve Tank Pop Off New

      5 out of 5 stars (9)9 product ratings - 1/4" NPT 125 PSI Air Compressor Safety Relief Pressure Valve Tank Pop Off New
      C $11.47
      C $16.60 shipping
    • 10 PSI 3/8" Male NPT Air Compressor Safety Relief Pop Off Valve Solid Brass New

      10 PSI 3/8" Male NPT Air Compressor Safety Relief Pop Off Valve Solid Brass New

      C $11.91
      C $16.60 shipping
    • 160 PSI BRASS SAFETY RELIEF POP OFF PRESSURE VALVE, COMPRESSOR, TANK, 1/4" NPT

      160 PSI BRASS SAFETY RELIEF POP OFF PRESSURE VALVE, COMPRESSOR, TANK, 1/4" NPT

      C $12.75
      C $20.17 shipping
      149 sold
    • Watts LF530C 1/2" Lead Free Calibrated Adjustable Pressure Relief Valve 50-175Ps

      Watts LF530C 1/2" Lead Free Calibrated Adjustable Pressure Relief Valve 50-175Ps

      5 out of 5 stars (1)1 product ratings - Watts LF530C 1/2" Lead Free Calibrated Adjustable Pressure Relief Valve 50-175Ps
      C $83.95
      C $23.89 shipping
      169 sold
    • New 1/2" NPT 170 PSI Air Compressor Safety Relief Pressure Valve Tank Pop Off

      New 1/2" NPT 170 PSI Air Compressor Safety Relief Pressure Valve Tank Pop Off

      C $19.16
      C $16.60 shipping
    • 1/4" NPT 140 PSI Air Compressor Safety Relief Pressure Valve Tank Pop Off New
      SPONSORED

      1/4" NPT 140 PSI Air Compressor Safety Relief Pressure Valve Tank Pop Off New

      C $11.47
      C $16.60 shipping
      51 sold
    • 1/8" NPT 125 PSI Air Compressor Safety Relief Pressure Valve Tank Pop Off New
      SPONSORED

      1/8" NPT 125 PSI Air Compressor Safety Relief Pressure Valve Tank Pop Off New

      C $10.88
      C $16.60 shipping
    • Watts 1" Pressure Reducing Valve Repair Kit (Missing Pieces) 135 NOS
      SPONSORED

      Watts 1" Pressure Reducing Valve Repair Kit (Missing Pieces) 135 NOS

      C $23.24
      or Best Offer
    • Prince DRV-1LL Relief Valve, #12 SAE, Adjustable 500-1500 PSI
      SPONSORED

      Prince DRV-1LL Relief Valve, #12 SAE, Adjustable 500-1500 PSI

      C $92.29
    • 1/8" NPT 200 PSI Air Compressor Safety Relief Pressure Valve Tank Pop Off New

      1/8" NPT 200 PSI Air Compressor Safety Relief Pressure Valve Tank Pop Off New

      C $10.88
      C $16.60 shipping
      23 sold
    • Safety Relief Valve, Model: 2394210

      Safety Relief Valve, Model: 2394210

      C $25.62
      or Best Offer
    • 250 PSI Air Compressor Safety Relief Pop Off Valve Solid Brass 1/4" Male NPT New

      250 PSI Air Compressor Safety Relief Pop Off Valve Solid Brass 1/4" Male NPT New

      C $10.19
      C $16.60 shipping
      287 sold
    • Ross Trojan 20WR Surge Relief Valve Threaded Inlet and Outlet - Made in USA

      Ross Trojan 20WR Surge Relief Valve Threaded Inlet and Outlet - Made in USA

      C $384.49
      Was: C $480.61
      or Best Offer
    • Watts Safety Relief Valve M3 174A Bronze 650,000 BTU Brand New Old Stock

      Watts Safety Relief Valve M3 174A Bronze 650,000 BTU Brand New Old Stock

      C $51.26
      Only 1 left!
    • Dresser 19126LC-2-CC-MS-31-MT-FT-LA 57gpm Iron 280psi 3/4in Npt Relief Valve

      Dresser 19126LC-2-CC-MS-31-MT-FT-LA 57gpm Iron 280psi 3/4in Npt Relief Valve

      C $168.29
      C $41.02 shipping
      or Best Offer
    • 1/4" NPT 15 PSI Air Compressor Safety Relief Pressure Valve Tank Pop Off New
      SPONSORED

      1/4" NPT 15 PSI Air Compressor Safety Relief Pressure Valve Tank Pop Off New

      C $16.60
      C $16.60 shipping
      Only 1 left!
    • Bell & Gossett 1-1/4" Safety Relief Valve 1050-45 USED
      SPONSORED

      Bell & Gossett 1-1/4" Safety Relief Valve 1050-45 USED

      C $49.27
    • Pilot Valve 19017-45600 For Takeuchi TB014 TB016 TB125 TB135 TB145 TB20R TB23R

      Pilot Valve 19017-45600 For Takeuchi TB014 TB016 TB125 TB135 TB145 TB20R TB23R

      C $226.10
      C $37.17 shipping
      or Best Offer
      10 watching
    • 150 PSI BRASS SAFETY RELIEF POP OFF PRESSURE VALVE, COMPRESSOR, TANK, 1/4" NPT

      150 PSI BRASS SAFETY RELIEF POP OFF PRESSURE VALVE, COMPRESSOR, TANK, 1/4" NPT

      C $1,294.50
      C $46.35 shipping
      349 sold
    • Watts Relief Valve 3/4" Lead Free

      Watts Relief Valve 3/4" Lead Free

      C $5.38
      0 bids
      or Best Offer
      Ending 26 May at 17:24 EDT6d 14h
    • NEW FISHER CONTROLS 289H-43 VALVE PRESSURE RELIEF 10-20PSI 289H43

      NEW FISHER CONTROLS 289H-43 VALVE PRESSURE RELIEF 10-20PSI 289H43

      C $185.85
      C $178.16 shipping
      Only 1 left!
    • 150 PSI BRASS SAFETY RELIEF VALVE FOR AIR COMPRESSOR PRESSURE SWITCH, TANK

      150 PSI BRASS SAFETY RELIEF VALVE FOR AIR COMPRESSOR PRESSURE SWITCH, TANK

      5 out of 5 stars (1)1 product ratings - 150 PSI BRASS SAFETY RELIEF VALVE FOR AIR COMPRESSOR PRESSURE SWITCH, TANK
      C $1,294.50
      C $45.35 shipping
      715 sold
    • 1/4" NPT 50 PSI Air Compressor Safety Relief Pressure Valve Tank Pop Off New

      1/4" NPT 50 PSI Air Compressor Safety Relief Pressure Valve Tank Pop Off New

      C $11.47
      C $16.60 shipping
      15 sold
    • Allied Valve Kunkle Type 6010G2 Relief Valve Size 1.5" Male/Female NPTs 6010G2

      Allied Valve Kunkle Type 6010G2 Relief Valve Size 1.5" Male/Female NPTs 6010G2

      C $141.20
      Was: C $156.89
      or Best Offer
    • KUNKLE #6182H RELIEF VALVE 1-1/2" Cap 2388CFM, Set 140 Lift .262 Seat Dia 1.048

      KUNKLE #6182H RELIEF VALVE 1-1/2" Cap 2388CFM, Set 140 Lift .262 Seat Dia 1.048

      C $108.95
      C $44.36 shipping
      or Best Offer

    Results Pagination - Page 1

    1. 1
    2. 2
    3. 3
    4. 4
    5. 5
    6. 6
    7. 7
    8. 8
    9. 9
    10. 10

    Additional site navigation

    • About eBay
    • Announcements
    • Community
    • Security Centre
    • Seller centre
    • Policies
    • Help & contact
    • Site Map
    Copyright © 1995-2022 eBay Inc. All Rights Reserved. User Agreement, Privacy, Cookies and AdChoiceNorton Secured - powered by DigiCert