Pressure-Relief Valves For Grease

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Pressure-Relief Valves

System of Measurement

Inlet Pipe Size

Set Pressure

Inlet Thread Type

Pipe Size

Maximum Inlet Pressure

Thread Type

Body Material

Shape

Material

Actuation

Inlet Connection

Overall Height

Valve Function

Maximum Pressure

Gender

Valve Type

Set Pressure Configuration

REACH

Inlet Gender

Fitting Connection

RoHS

Compliant with Exemptions

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

EAR99

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About Pressure-Relief Valves

Choose the correct valve type and pipe size to safely manage the pressure of your system.

Compact Pressure-Relief Valves

Due to their small size, these valves are often installed on tanks in low-clearance areas. They begin opening at the set pressure. Nylon valves fully open at about 10% over the set pressure and steel valves fully open at about 50% over the set pressure. Valves begin closing as pressure drops and fully close when the system pressure is restored below the set pressure. All have a vent outlet to exhaust discharge directly. Set pressure is not adjustable.

Steel Body—For Grease and Oil

	Inlet							Each
	Pipe Size	Location	Max. Pressure, psi	Relief Port Location	Overall Ht.	Set Pressure		1-9	10-Up
NPTF Male Inlet and Relief Vent



		1/8	Bottom	5	Top	1/2"	1 psi	1093K1	00000	00000


		1/8	Bottom	15	Top	1/2"	7.5 psi	1093K2	0000	0000
		1/8	Bottom	25	Top	1/2"	15 psi	1093K3	0000	0000
		1/8	Bottom	80	Top	17/32"	45 psi	1093K4	0000	0000
		1/8	Bottom	140	Top	9/16"	80 psi	1093K53	0000	0000
		1/8	Bottom	200	Top	1/2"	100 psi	1093K64	0000	0000
		1/8	Bottom	650	Top	1/2"	400 psi	1093K65	0000	0000


		BSPT Male Inlet and Relief Vent



				1/8	Bottom	1	Top	1/2"	0.3 psi	1093K61	0000	0000


				1/8	Bottom	5	Top	1/2"	1 psi	1093K62	0000	0000
				1/8	Bottom	80	Top	1/2"	45 psi	1093K63	0000	0000