pressure relief valves
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![Wika 52802649 131.11.1.5" 60 psi 1/4" NPT lower mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/131.11_e36c44a4-09d1-48f7-a205-9c1190483cde_medium.jpg?v=1720031340)
52802649 | 131.11.1.5" 60 psi 1 / 4" NPT lower mount | Wika
Brand: Wika
SKU: 52802649
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![Wika 52754206 213.53.2.5" 3000 psi 2nd scale bar 1/4 NPT back mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wika_logo_1aa6fd7e-442e-41d4-b07e-4754dd947ee3_medium.png?v=1720031329)
52754206 | 213.53.2.5" 3000 psi 2nd scale bar 1 / 4 NPT back mount | Wika
Brand: Wika
SKU: 52754206
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![Wika 52754878 213.53.2.5" 6000 psi 2nd scale MPa 1/4 NPT lower mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wika_logo_fced9f52-d4d7-49d6-a3cf-8ec8b6568238_medium.png?v=1720031329)
52754878 | 213.53.2.5" 6000 psi 2nd scale MPa 1 / 4 NPT lower mount | Wika
Brand: Wika
SKU: 52754878
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![Wika 52756450 213.53.2.5" 16 kg/cm2 2nd scale psi 1/4 NPT lower mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wika_logo_98fe8b96-0a76-4e92-8ec5-d9a45a2b49b6_medium.png?v=1720031326)
52756450 | 213.53.2.5" 16 kg / cm2 2nd scale psi 1 / 4 NPT lower mount | Wika
Brand: Wika
SKU: 52756450
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![Wika 52753223 213.53.2.5" 25 bar 2nd scale psi 1/8 NPT lower mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wika_logo_4168bab2-bddb-4685-abb1-268eb668335d_medium.png?v=1720031325)
52753223 | 213.53.2.5" 25 bar 2nd scale psi 1 / 8 NPT lower mount | Wika
Brand: Wika
SKU: 52753223
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![Wika 52752484 232.34.4.5" 5000 psi 2nd scale bar 1/2 NPT lower back moun | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wika_logo_bbda247e-f294-446f-bf9b-13c23338af73_medium.png?v=1720031323)
52752484 | 232.34.4.5" 5000 psi 2nd scale bar 1 / 2 NPT lower back moun | Wika
Brand: Wika
SKU: 52752484
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![Wika 52754705 232.53.100 -30 inHg/+160 psi 1/2 NPT lower mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wika_logo_5c11271e-0a8a-4858-85f4-eeb58fc8949a_medium.png?v=1720031321)
52754705 | 232.53.100 -30 inHg / +160 psi 1 / 2 NPT lower mount | Wika
Brand: Wika
SKU: 52754705
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![Wika 52752722 233.53.063 1000 psi 2nd scale bar 1/4 NPT lower mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wika_logo_33ec2f1d-cc66-410a-bfc3-fc8a33535353_medium.png?v=1720031319)
52752722 | 233.53.063 1000 psi 2nd scale bar 1 / 4 NPT lower mount | Wika
Brand: Wika
SKU: 52752722
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![Wika 52751023 232.53.063 5000 psi 2nd scale MPa 7/16-20 UNF SAE#4 witho | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wika_logo_268851ce-cd25-46f1-a156-140db4e83b8f_medium.png?v=1720031317)
52751023 | 232.53.063 5000 psi 2nd scale MPa 7 / 16-20 UNF SAE#4 witho | Wika
Brand: Wika
SKU: 52751023
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![Wika 52750371 233.30.6" 40 bar 2nd scale kg/cm2 1/2 NPT lower mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wika_logo_8be1642e-11c4-4892-b86d-8466c5a3cf82_medium.png?v=1720031315)
52750371 | 233.30.6" 40 bar 2nd scale kg / cm2 1 / 2 NPT lower mount | Wika
Brand: Wika
SKU: 52750371
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![Wika 52746695 233.53.063 160 bar 2nd scale psi 1/4 NPT lower mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wika_logo_6e393dec-a352-4953-9f98-02ca96a69d4a_medium.png?v=1720031303)
52746695 | 233.53.063 160 bar 2nd scale psi 1 / 4 NPT lower mount | Wika
Brand: Wika
SKU: 52746695
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![Wika 52730698 233.53.100 250 bar 2nd scale psi G1/2B lower back mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wika_logo_fed815d5-4308-4a43-bc6f-2599b337384e_medium.png?v=1720031280)
52730698 | 233.53.100 250 bar 2nd scale psi G1 / 2B lower back mount | Wika
Brand: Wika
SKU: 52730698
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![Wika 52733217 213.53.2.5" 1000 psi 2nd scale bar 1/4 NPT lower mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wika_logo_02c7e2b8-a279-44b5-a4ad-0bed1d4c62be_medium.png?v=1720031279)
52733217 | 213.53.2.5" 1000 psi 2nd scale bar 1 / 4 NPT lower mount | Wika
Brand: Wika
SKU: 52733217
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![Wika 52730253 232.34.4.5" 100 bar 2nd scale psi 1/2 NPT lower mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wika_logo_b1a5e84b-681b-4bef-81ca-3fc90516041b_medium.png?v=1720031275)
52730253 | 232.34.4.5" 100 bar 2nd scale psi 1 / 2 NPT lower mount | Wika
Brand: Wika
SKU: 52730253
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![Wika 52735354 232.54.063 60 psi 2nd scale bar 1/4 NPT center back mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PIC_PR_23X_54_en_us_62598_1a76a3a3-b660-4ff0-8f27-e53c6e9fd21a_medium.png?v=1720031273)
52735354 | 232.54.063 60 psi 2nd scale bar 1 / 4 NPT center back mount | Wika
Brand: Wika
SKU: 52735354
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![Wika 52734640 213.53.2.5" 300 psi 2nd scale bar 1/4 NPT lower mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wika_logo_35be3fbe-1945-4ecb-b923-a4e3b32c9656_medium.png?v=1720031271)
52734640 | 213.53.2.5" 300 psi 2nd scale bar 1 / 4 NPT lower mount | Wika
Brand: Wika
SKU: 52734640
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![Wika 52728900 611.10.2.5" -100 mbar...0 mbar G1/4B lower mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wika_logo_74a22cb2-59d8-4e08-ab79-957b6c2da2eb_medium.png?v=1720031271)
52728900 | 611.10.2.5" -100 mbar...0 mbar G1 / 4B lower mount | Wika
Brand: Wika
SKU: 52728900
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![Wika 52733803 213.53.2.5" (approx. 400 bar) 35MPA R 1/4-ISO7 (DIN2999) | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wika_logo_332a5ee4-bfd1-4e68-851b-e095f3f7ebc3_medium.png?v=1720031266)
52733803 | 213.53.2.5" (approx. 400 bar) 35MPA R 1 / 4-ISO7 (DIN2999) | Wika (OBSOLETE)
Brand: Wika
SKU: 52733803
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![Wika 52668347 632.34.4,5" 0 in.WC...30 in.WC 1/2 NPT lower mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PIC_PR_632_34_en_us_62671_62584268-4379-4705-9309-d0de72c7ca63_medium.png?v=1720031265)
52668347 | 632.34.4, 5" 0 in.WC...30 in.WC 1 / 2 NPT lower mount | Wika
Brand: Wika
SKU: 52668347
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![Wika 52718820 213.53.2.5" 1000 psi 2nd scale bar 1/4 NPT back mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wika_logo_dcd5403d-a673-47ad-993e-454b9096781d_medium.png?v=1720031263)
52718820 | 213.53.2.5" 1000 psi 2nd scale bar 1 / 4 NPT back mount | Wika
Brand: Wika
SKU: 52718820
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![Wika 52724569 213.53.2.5" 6000 psi 2nd scale bar 1/4 NPT back mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wika_logo_e52d12ed-1309-44d6-a680-366e585015fe_medium.png?v=1720031258)
52724569 | 213.53.2.5" 6000 psi 2nd scale bar 1 / 4 NPT back mount | Wika
Brand: Wika
SKU: 52724569
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![Wika 52715438 233.50.4" -1/+10 bar 2nd scale psi 1/2 NPT lower back mou | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wika_logo_11dee14f-6ebe-4107-8ad1-596e1c585aa5_medium.png?v=1720031246)
52715438 | 233.50.4" -1 / +10 bar 2nd scale psi 1 / 2 NPT lower back mou | Wika
Brand: Wika
SKU: 52715438
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![Wika 52680754 213.53.4" 600 psi 2nd scale bar 1/4 NPT lower mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PIC_PR_21X_53_en_us_62635_4f37123f-a6bb-470b-b399-da24dd7298fd_medium.png?v=1720031241)
52680754 | 213.53.4" 600 psi 2nd scale bar 1 / 4 NPT lower mount | Wika
Brand: Wika
SKU: 52680754
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![Wika 52715866 IS-3 Flush diaphragm ; -30 inHg/160 psi; 4...20 mA, 2-wire | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PIC_PR_IS_3_2_de_de_62182_medium.png?v=1720031238)
52715866 | IS-3 Flush diaphragm ; -30 inHg / 160 psi; 4...20 mA, 2-wire | Wika
Brand: Wika
SKU: 52715866
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