Relief Valves

Primary Pressure Control:

Consistent System Pressure: Sets and maintains the desired system pressure.

Excess Flow Bypass: Redirects excess flow back to the pump inlet, tank, or drain when the system reaches the set pressure point.

Secondary (Safety) Pressure Relief:

Backup Protection: Configured as a secondary relief valve for added safety.

Malfunction Safeguard: Activates if the primary pressure control valve malfunctions.

System Pressure Relief: Opens to relieve system pressure, safeguarding the pump and system from damage due to over-pressurization.

Cost and Safety Benefits: Prevents costly pump and system damage. Enhances safety for personnel working around the equipment.

Pressure range	0 psi to 10,000 psi
Flow range	0 lpm to 1211 lpm
Material	brass, 304, and 316 stainless steel
Typical Usage	Used for single pump, multiple pumps, nozzle, and gun applications.

Brass

MODEL	MIN FLOW	MAX FLOW	MIN PRESSURE	MAX PRESSURE	INLET/DISCHARGE PORTS	BYPASS PORTS
7190	0.00 GPM / 0.00 LPM	6.60 GPM / 25.00 LPM	508 PSI / 35 BAR	5076 PSI / 350 BAR	3/8'' BSP(F) / 3/8'' BSP(F)	3/8'' BSP(F)
7693.100	0.00 GPM / 0.00 LPM	10.50 GPM / 40.00 LPM	232 PSI / 16 BAR	2321 PSI / 160 BAR	3/8'' NPT(F) / 3/8'' NPT(F)	3/8'' NPT(F)
7694.100	0.00 GPM / 0.00 LPM	10.50 GPM / 40.00 LPM	406 PSI / 28 BAR	4060 PSI / 280 BAR	3/8'' NPT(F) / 3/8'' NPT(F)	3/8'' NPT(F)
7630.100	0.00 GPM / 0.00 LPM	10.50 GPM / 40.00 LPM	507 PSI / 35 BAR	5076 PSI / 350 BAR	3/8'' BSPP(M) / 3/8'' BSPP(F)	1/2'' BSPP(F)
997304	0.00 GPM / 0.00 LPM	20.00 GPM / 75.70 LPM	0 PSI / 0 BAR	300 PSI / 20 BAR	1/2'' NPT(M) / 1/2'' NPT(F)	1/2'' NPT(F)
7537.100	0.00 GPM / 0.00 LPM	21.00 GPM / 80.00 LPM	406 PSI / 28 BAR	2320 PSI / 160 BAR	1/2'' NPT(F) / 1/2'' NPT(F)	1/2'' NPT(F)
7542.100	0.00 GPM / 0.00 LPM	21.00 GPM / 80.00 LPM	406 PSI / 28 BAR	4060 PSI / 280 BAR	1/2'' NPT(F) / 1/2'' NPT(F)	1/2'' NPT(F)
7196	0.00 GPM / 0.00 LPM	21.00 GPM / 80.00 LPM	100 PSI / 7 BAR	7250 PSI / 500 BAR	1/2'' BSP(F) / 3/8'' BSP(F)	3/8'' BSP(F)
7590.100	0.00 GPM / 0.00 LPM	52.80 GPM / 200.00 LPM	218 PSI / 15 BAR	2175 PSI / 150 BAR	1'' NPT(F) / 1'' NPT(F)	1'' NPT(F)
7595	1.00 GPM / 3.80 LPM	53.00 GPM / 200.00 LPM	260 PSI / 18 BAR	2600 PSI / 180 BAR	3/4'' NPT(F) / 1/2'' NPT(F)	1/2'' NPT(F)

304 Stainless Steel

MODEL	MIN FLOW	MAX FLOW	MIN PRESSURE	MAX PRESSURE	INLET/DISCHARGE PORTS	BYPASS PORTS
7531.100	0.00 GPM / 0.00 LPM	21.00 GPM / 80.00 LPM	218 PSI / 15 BAR	2175 PSI / 150 BAR	1/2'' NPT(F) / 1/2'' NPT(F)	1/2'' NPT(F)
7533.100	0.00 GPM / 0.00 LPM	21.00 GPM / 80.00 LPM	406 PSI / 28 BAR	4060 PSI / 280 BAR	1/2'' NPT(F) / 1/2'' NPT(F)	1/2'' NPT(F)
7536.100	0.00 GPM / 0.00 LPM	21.00 GPM / 80.00 LPM	580 PSI / 40 BAR	5800 PSI / 400 BAR	1/2'' NPT(F) / 1/2'' NPT(F)	1/2'' NPT(F)

316 Stainless Steel

MODEL	MIN FLOW	MAX FLOW	MIN PRESSURE	MAX PRESSURE	INLET/DISCHARGE PORTS	BYPASS PORTS
7034	0.00 GPM / 0.00 LPM	21.00 GPM / 80.00 LPM	400 PSI / 28 BAR	2200 PSI / 155 BAR	1/2'' NPT(F) / 1/2'' NPT(F)	1/2'' NPT(F)
7036	0.00 GPM / 0.00 LPM	21.00 GPM / 80.00 LPM	800 PSI / 55 BAR	4000 PSI / 275 BAR	1/2'' NPT(F) / 1/2'' NPT(F)	1/2'' NPT(F)
7037	0.00 GPM / 0.00 LPM	21.00 GPM / 80.00 LPM	3000 PSI / 207 BAR	5700 PSI / 400 BAR	1/2'' NPT(F) / 1/2'' NPT(F)	1/2'' NPT(F)
890718	10.00 GPM / 38.00 LPM	50.00 GPM / 189.00 LPM	1000 PSI / 69 BAR	8000 PSI / 550 BAR	2'' NPT(M) / 2'' NPT(F)	2'' NPT(F)
890709	20.00 GPM / 76.00 LPM	60.00 GPM / 227.00 LPM	1500 PSI / 103 BAR	4000 PSI / 275 BAR	2'' NPT(F) / 2'' NPT(F)	2'' NPT(M)
890731	15.00 GPM / 56.00 LPM	75.00 GPM / 284.00 LPM	100 PSI / 7 BAR	400 PSI / 28 BAR	2'' NPT(F) / 2'' NPT(F)	2'' NPT(M)
890700	30.00 GPM / 114.00 LPM	180.00 GPM / 680.00 LPM	1000 PSI / 70 BAR	3000 PSI / 207 BAR	2'' NPT(F) / 2'' NPT(F)	2'' NPT(M)
890702	25.00 GPM / 95.00 LPM	210.00 GPM / 795.00 LPM	500 PSI / 35 BAR	2000 PSI / 138 BAR	2'' NPT(F) / 2'' NPT(F)	2'' NPT(M)
890706	15.00 GPM / 57.00 LPM	260.00 GPM / 984.00 LPM	250 PSI / 17 BAR	1000 PSI / 69 BAR	2'' NPT(F) / 2'' NPT(F)	2'' NPT(M)
890704	45.00 GPM / 170.00 LPM	320.00 GPM / 1211.00 LPM	500 PSI / 35 BAR	2000 PSI / 138 BAR	2'' NPT(F) / 2'' NPT(F)	2'' NPT(M)

RELIEF VALVES