Niezgodka Type 31 Safety Valve

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Sizes:	1/2" x 3/4", 3/4" x 1", 1" x 1.1/4", 1.1/4" x 1.1/2", 1.1/2 x 2", 2" x 2.1/2", 2.1/2" x 3", 3" x 4"
Connections:	Flanged DIN or ANSI
Materials:	Carbon Steel (31.1) or Stainless Steel (31.2 & 31.7)
Disk:	Metal, Viton or Nylon (depending on pressure
Joints & Seals:	NBR, FPM, EPDM (depending upon model)
Medium:	Steam, Gases and Liquids
Set Pressure:	0.05 to 40 Barg (depending upon size)
Temperature:	(31.1) -10 to 280 degC, (31.2) -60 to 280 degC, (31.7) -200 to 280 degC
Design:	TUV
Notes:	Temperature range is for valves with a Metal disk. For the 31.1 and 31.2 the temperature range changes depending upon the body size.

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