pressure relief valves
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![Wika 52843420 612.34.4,5" -60 mbar...60 mbar 1/2 NPT lower mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wika_logo_09eb17c8-d80e-4544-904b-b316e6def3e1_medium.png?v=1720031550)
52843420 | 612.34.4, 5" -60 mbar...60 mbar 1 / 2 NPT lower mount | Wika
Brand: Wika
SKU: 52843420
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![Wika 52843406 232.54.100 (approx. -1/+1 bar) -5/15psi 1/4 NPT lower mou | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wika_logo_b0fa6452-09cb-436f-b1f5-a9fa1ff0a2c4_medium.png?v=1720031547)
52843406 | 232.54.100 (approx. -1 / +1 bar) -5 / 15psi 1 / 4 NPT lower mou | Wika
Brand: Wika
SKU: 52843406
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![Wika 52837171 111.11 2.0" 10000 kPa 2nd scale psi 1/4 NPT lower mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wika_logo_04190c49-6b9e-4e9b-99fc-ce1d939da2cc_medium.png?v=1720031547)
52837171 | 111.11 2.0" 10000 kPa 2nd scale psi 1 / 4 NPT lower mount | Wika
Brand: Wika
SKU: 52837171
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![Wika 52844646 213.53DW 2.5 30PSI 1/4 L NSF PB-FREE FLEX WDW 100%FILL IP66 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wika_logo_4e91a1c7-71c5-4d08-a5a0-9a05dfbcf8d0_medium.png?v=1720031544)
52844646 | 213.53DW 2.5 30PSI 1 / 4 L NSF PB-FREE FLEX WDW 100%FILL IP66 | Wika
Brand: Wika
SKU: 52844646
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![Wika 52842693 612.20.2.5" 0 inches of water...100 inches of water 1/4 NP | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wika_logo_8d65c49c-a308-42f2-b430-4318f1bf0641_medium.png?v=1720031526)
52842693 | 612.20.2.5" 0 inches of water...100 inches of water 1 / 4 NP | Wika
Brand: Wika
SKU: 52842693
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![Wika 52837095 213.40.2.5" 600 psi 2nd scale bar 1/4 NPT center back mou | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wika_logo_77ac5172-138f-4cae-b884-0cdc6ebda742_medium.png?v=1720031526)
52837095 | 213.40.2.5" 600 psi 2nd scale bar 1 / 4 NPT center back mou | Wika
Brand: Wika
SKU: 52837095
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![Wika 52844957 232.34.4.5" 160 psi 2nd scale bar 1/2 NPT lower mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wika_logo_47d164f1-e6b4-496b-9f42-1ba4d1ebd5e1_medium.png?v=1720031544)
52844957 | 232.34.4.5" 160 psi 2nd scale bar 1 / 2 NPT lower mount | Wika
Brand: Wika
SKU: 52844957
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![Wika 52842738 233.50.2.5" 5000 psi 2nd scale bar G1/4B lower mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wika_logo_a3417e69-beed-415a-9096-7db8bc00b83b_medium.png?v=1720031523)
52842738 | 233.50.2.5" 5000 psi 2nd scale bar G1 / 4B lower mount | Wika
Brand: Wika
SKU: 52842738
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![Wika 52844644 213.53DW 2.5 15PSI 1/4 L NSF PB-FREE FLEX WDW 100%FILL IP66 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wika_logo_de386790-a959-4493-b760-06cf57c7abe0_medium.png?v=1720031523)
52844644 | 213.53DW 2.5 15PSI 1 / 4 L NSF PB-FREE FLEX WDW 100%FILL IP66 | Wika
Brand: Wika
SKU: 52844644
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![Wika 52842364 233.50.2.5" 300 psi temp.-scale R717 (NH3) 1/4 NPT lower | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wika_logo_9d02f005-e1ba-47e1-8103-cfeed69684f2_medium.png?v=1720031518)
52842364 | 233.50.2.5" 300 psi temp.-scale R717 (NH3) 1 / 4 NPT lower | Wika
Brand: Wika
SKU: 52842364
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![Wika 52844226 232.53.063 1000 psi 2nd scale bar 1/4 NPT center back mou | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wika_logo_1f137fdc-9b7d-4713-b5e1-ecdad0580174_medium.png?v=1720031516)
52844226 | 232.53.063 1000 psi 2nd scale bar 1 / 4 NPT center back mou | Wika
Brand: Wika
SKU: 52844226
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![Wika 52834041 232.34.4.5" (approx. 700 bar) 10,000PSI/TONS 1/2 NPT lower | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wika_logo_fa760c0e-71a7-4398-9976-2f18ea21e666_medium.png?v=1720031509)
52834041 | 232.34.4.5" (approx. 700 bar) 10, 000PSI / TONS 1 / 2 NPT lower | Wika
Brand: Wika
SKU: 52834041
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![Wika 52831760 111.11 2.0" 4000 psi 2nd scale bar 1/4 NPT lower mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wika_logo_c31831d8-103b-44d7-a893-cdc1b58afec4_medium.png?v=1720031499)
52831760 | 111.11 2.0" 4000 psi 2nd scale bar 1 / 4 NPT lower mount | Wika
Brand: Wika
SKU: 52831760
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![Wika 52830872 232.34.4.5" 1600 kPa 2nd scale psi 1/2 NPT lower mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wika_logo_8d810ec4-e189-40db-b16d-2f6f52af79d2_medium.png?v=1720031496)
52830872 | 232.34.4.5" 1600 kPa 2nd scale psi 1 / 2 NPT lower mount | Wika
Brand: Wika
SKU: 52830872
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![Wika 52831153 233.53.063 5000 psi 2nd scale kPa 1/4 NPT center back mou | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PIC_PR_23X_53_en_us_62600_637e8265-c770-4b69-b0f9-1b6382b13235_medium.png?v=1720031495)
52831153 | 233.53.063 5000 psi 2nd scale kPa 1 / 4 NPT center back mou | Wika
Brand: Wika
SKU: 52831153
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![Wika 52829907 111.12 2.0" 160 psi 2nd scale MPa R 1/8-ISO7 (DIN2999) | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wika_logo_79b68e7b-157b-4743-b54d-fa48963b3d08_medium.png?v=1720031493)
52829907 | 111.12 2.0" 160 psi 2nd scale MPa R 1 / 8-ISO7 (DIN2999) | Wika
Brand: Wika
SKU: 52829907
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![Wika 52825231 233.53.063 315 bar 2nd scale psi G1/4B lower mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wika_logo_983cdcf8-c539-455a-8be4-4e500f647e35_medium.png?v=1720031474)
52825231 | 233.53.063 315 bar 2nd scale psi G1 / 4B lower mount | Wika
Brand: Wika
SKU: 52825231
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![Wika 52823170 212.53.4" 6000 psi 2nd scale bar 1/4 NPT lower back mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wika_logo_3393a006-cbe6-400c-8762-8bf8adca9c55_medium.png?v=1720031454)
52823170 | 212.53.4" 6000 psi 2nd scale bar 1 / 4 NPT lower back mount | Wika
Brand: Wika
SKU: 52823170
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![Wika 52823858 PG23CP.4" 30 psi 1/4 NPT lower back mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PG23CP_0c914d7e-f183-4a8b-b784-648de392e681_medium.jpg?v=1720031449)
52823858 | PG23CP.4" 30 psi 1 / 4 NPT lower back mount | Wika
Brand: Wika
SKU: 52823858
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![Wika 52820345 PG23CP.4" 100 psi 1/2 NPT lower back mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PG23CP_d93ea54e-26bb-40be-ba3c-01105e41dca1_medium.jpg?v=1720031446)
52820345 | PG23CP.4" 100 psi 1 / 2 NPT lower back mount | Wika
Brand: Wika
SKU: 52820345
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![Wika 52819326 232.53.100 600 psi 2nd scale kPa 1/2 NPT lower back mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wika_logo_87154945-1e68-49e0-b1e0-2a067b37d920_medium.png?v=1720031442)
52819326 | 232.53.100 600 psi 2nd scale kPa 1 / 2 NPT lower back mount | Wika
Brand: Wika
SKU: 52819326
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![Wika 52818875 233.54.100 6000 psi 2nd scale bar G1/2B lower back mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wika_logo_2fc279fb-2ca9-4cd5-abba-2c3f6e35a318_medium.png?v=1720031441)
52818875 | 233.54.100 6000 psi 2nd scale bar G1 / 2B lower back mount | Wika
Brand: Wika
SKU: 52818875
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![Wika 52818270 611.10.2.5" 0 mbar...150 mbar 1/4 NPT center back mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wika_logo_84b9cf96-2b7f-4c94-b3f9-7acb5e214e20_medium.png?v=1720031441)
52818270 | 611.10.2.5" 0 mbar...150 mbar 1 / 4 NPT center back mount | Wika
Brand: Wika
SKU: 52818270
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![Wika 52816915 233.53.063 4000 kPa 2nd scale psi 1/4 NPT lower mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wika_logo_bf415578-d9f8-4506-92c3-c4ed0e862f85_medium.png?v=1720031425)
52816915 | 233.53.063 4000 kPa 2nd scale psi 1 / 4 NPT lower mount | Wika
Brand: Wika
SKU: 52816915
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