Relief Valves on Circle Valve Technologies, Inc.


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	Relief Valves
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		500 Series Relief Valves (334) Features Popoff or inline valves Adjustable crack pressure Zero leakage Optional factory preset Accurate set pressure Wide range of cracking pressure Tamper-proof adjustment 100% seat leakage tested PEP certifications and CE marking available for most models Note: Proper filtration is recommended to prevent damage to sealing surface. Search 334 Items




		HP500 Series Relief Valves (40) Features Very accurate cracking pressure Zero leakage up to 95% of cracking pressure 100% seat leakage tested Tamper-proof adjustment PED certifications and CE marking available for most models Proper filtration is recommended to prevent damage to sealing surfaces. Search 40 Items




		5100 Series Relief Valves (268) Features Zero leakage up to 95% of cracking pressure Positive reseat at high percentage of cracking pressure Accurate set pressure Wide range of cracking pressure Tamper-proof adjustment PED certifications and CE marking available for most models Note: Proper filtration is recommended to prevent damage to sealing surfaces. Search 268 Items




		D500 Series ASME Safety Relief Valves 15 to 150 psig (12) Features D500 Series features cap design MD500 Series features cup design with manual override ring Zero leakage from 0 psi up to 70% of the marked set pressure Please specify ‘ASME’ when placing your order.




		M5100 Series ASME Relief Valves 20 to 1200 psig (60) Features M5100 Series offered with ring or lift handle MD500 Series features cup design with manual override ring Zero leakage from 0 psi up to 70% of the marked set pressure Please specify ‘ASME’ when placing your order. Search 60 Items




		5300 Series Relief Valves 400 to 10500 psig (36) Features Zero leakage up to 95% of cracking pressure No chatter or squeal Positive reseal at a high percentage of cracking pressure No pressure rise with increasing flow Externally adjustable PED certifications and CE marking available for most models Note: Proper filtration is recommended to prevent damage to sealing surfaces. Search 36 Items




		R6000 Series Right Angel Relief Valves (324) Available in low, medium, high and extra high pressure models, R6000 right angle relief valves provide users with high accuracy and consistency of cracking and reseat pressures. Furthermore, narrow pressure ranges (cracking pressures) for each model can be factory pre-set according to customer specifications. PED certification and CE marking are standard for all models. All R6000 relief valves are offered with multiple end connections to ensure application versatility. Search 324 Items

Relief Valves

500 Series Relief Valves

HP500 Series Relief Valves

5100 Series Relief Valves

D500 Series ASME Safety Relief Valves 15 to 150 psig

M5100 Series ASME Relief Valves 20 to 1200 psig

5300 Series Relief Valves 400 to 10500 psig

R6000 Series Right Angel Relief Valves