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Features
  • M5100 Series offered with ring or lift handle
  • Zero leakage from 0 psi up to 70% of the marked set pressure
Please specify ‘ASME’ when placing your order.
M5100 Series ASME Safety Relief Valve
Unit of Measure
1 2 3 

Item #

Body Material

O-Ring Material

Set Pressure

Valve Size

Connections (Inlet)

Operating Temperature

M5132N-1M(L) N/A Naval Brass N/A Viton® N/A 20 to 1200 psig N/A 1/8 in N/A Male pipe, Lock Wire N/A -20 to 400 ºF
M5132N-2M(L) N/A Naval Brass N/A Viton® N/A 50 to 1200 psig N/A 1/4 in N/A Male pipe, Lock Wire N/A -20 to 400 ºF
M5132N-3M(L) N/A Naval Brass N/A Viton® N/A 50 to 1200 psig N/A 3/8 in N/A Male pipe, Lock Wire N/A -20 to 400 ºF
M5132N-4M(L) N/A Naval Brass N/A Viton® N/A 50 to 1200 psig N/A 1/2 in N/A Male pipe, Lock Wire N/A -20 to 400 ºF
M5132N-6M(L) N/A Naval Brass N/A Viton® N/A 100 to 1200 psig N/A 3/4 in N/A Male pipe, Lock Wire N/A -20 to 400 ºF
M5132N-8M(L) N/A Naval Brass N/A Viton® N/A 20 to 1200 psig N/A 1 in N/A Male pipe, Lock Wire N/A -20 to 400 ºF
M5159N-1M(L) N/A Naval Brass N/A Buna N N/A 20 to 1200 psig N/A 1/8 in N/A Male pipe, Lock Wire N/A -40 to 250 ºF
M5159N-2M(L) N/A Naval Brass N/A Buna N N/A 50 to 1200 psig N/A 1/4 in N/A Male pipe, Lock Wire N/A -40 to 250 ºF
M5159N-3M(L) N/A Naval Brass N/A Buna N N/A 50 to 1200 psig N/A 3/8 in N/A Male pipe, Lock Wire N/A -40 to 250 ºF
M5159N-4M(L) N/A Naval Brass N/A Buna N N/A 50 to 1200 psig N/A 1/2 in N/A Male pipe, Lock Wire N/A -40 to 250 ºF
M5159N-6M(L) N/A Naval Brass N/A Buna N N/A 100 to 1200 psig N/A 3/4 in N/A Male pipe, Lock Wire N/A -40 to 250 ºF
M5159N-8M(L) N/A Naval Brass N/A Buna N N/A 20 to 1200 psig N/A 1 in N/A Male pipe, Lock Wire N/A -40 to 250 ºF
M5120N-1M(L) N/A Naval Brass N/A Teflon® N/A 20 to 1200 psig N/A 1/8 in N/A Male pipe, Lock Wire N/A -100 to 300 ºF
M5120N-2M(L) N/A Naval Brass N/A Teflon® N/A 50 to 1200 psig N/A 1/4 in N/A Male pipe, Lock Wire N/A -100 to 300 ºF
M5120N-3M(L) N/A Naval Brass N/A Teflon® N/A 50 to 1200 psig N/A 3/8 in N/A Male pipe, Lock Wire N/A -100 to 300 ºF
M5120N-4M(L) N/A Naval Brass N/A Teflon® N/A 50 to 1200 psig N/A 1/2 in N/A Male pipe, Lock Wire N/A -100 to 300 ºF
M5120N-6M(L) N/A Naval Brass N/A Teflon® N/A 100 to 1200 psig N/A 3/4 in N/A Male pipe, Lock Wire N/A -100 to 300 ºF
M5120N-8M(L) N/A Naval Brass N/A Teflon® N/A 20 to 1200 psig N/A 1 in N/A Male pipe, Lock Wire N/A -100 to 300 ºF
M5133N-1M(L) N/A Naval Brass N/A Neoprene N/A 20 to 1200 psig N/A 1/8 in N/A Male pipe, Lock Wire N/A -40 to 250 ºF
M5133N-2M(L) N/A Naval Brass N/A Neoprene N/A 50 to 1200 psig N/A 1/4 in N/A Male pipe, Lock Wire N/A -40 to 250 ºF
M5133N-3M(L) N/A Naval Brass N/A Neoprene N/A 50 to 1200 psig N/A 3/8 in N/A Male pipe, Lock Wire N/A -40 to 250 ºF
M5133N-4M(L) N/A Naval Brass N/A Neoprene N/A 50 to 1200 psig N/A 1/2 in N/A Male pipe, Lock Wire N/A -40 to 250 ºF
M5133N-6M(L) N/A Naval Brass N/A Neoprene N/A 100 to 1200 psig N/A 3/4 in N/A Male pipe, Lock Wire N/A -40 to 250 ºF
M5133N-8M(L) N/A Naval Brass N/A Neoprene N/A 20 to 1200 psig N/A 1 in N/A Male pipe, Lock Wire N/A -40 to 250 ºF
M5162N-1M(L) N/A Naval Brass N/A Ethylene Propylene N/A 20 to 1200 psig N/A 1/8 in N/A Male pipe, Lock Wire N/A -20 to 200 ºF
Unit of Measure
1 2 3