High Pressure Relief Valve to 66,000 psi

Maxpro proportional relief valves are designed to protect systems and components against over-pressure for both gas and liquid applications. The unique poppet design allows for chatter free pressure release and excellent deadband pressure control. The soft seat design (MT3RV, MT10RV and MT25RV) provides bubble-tight shut-off and increased cycle life. These proportional relief valves are designed to open gradually as the pressure increases, they are not recommended for full capacity at a given pressure, and therefore are not certified to ASME code requirements.

Technical Data

Catalog Number	Inlet	Outlet	Orifice (in.)	Service	Minimum Setting	Maximum Setting	Valve Panel Hole	Body Diameter
MT3RV	1/4” FNPT (2)	1/4 FNPT	0.070	Liquid/Gas	500	3,000	1.38	1.50
MT10RV	1/4” FNPT (2)	1/4 FNPT	0.070	Liquid/Gas	1,000	10,000	1.38	1.50
MT25RV	1/4” H.P.	1/4 FNPT	0.070	Liquid/Gas	2,500	25,000	1.625	2.00
MT66RV	1/4” H.P.	1/4 FNPT	0.070	Liquid/Gas*	10,000	66,000	1.625	2.00

*Not bubble tight on gas service. When selecting multiple items, the pressure rating would be that of the lowest rated components.

Dimension	MT3RV/ MT10RV	MT25RV	MT66RV
A	8.13”	9.94”	9.94”
B	1.56”	2.13”	2.13”
C	3.50”	1.68”	1.68”
D	1.50”	2.00”	2.00”
E	2.50”	.56”	.56”
F	1/4” FNPT	1/4” H.P.	1/4” H.P.

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