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180 SMS PO 3/8 CB

Non-Freeze Dump Valve

1" Female NPT Stinger
0.375" Quick Opening Trim

Process Fluid: Liquid and Gas
Operation: Pneumatic

Options Included In This Model:

  • Trim Material: Carbide

100% Cv = 4.15

Critical Flow Factor Cf = 0.71

Calculate Gas Flow Rate Calculate Liquid Flow Rate

For the discharge of liquid from vessels where freezing may occur due to ambient temperature and/or high pressure drop. The design of this valve allows the trim to utilize vessel heat to help prevent freezing.


  • Connection Size: 1 "
  • Connection Type: Female NPT
  • Body Style: Stinger
  • Body Material: Ductile
  • Option Available for NACE MR0175 compliance or certification.
  • Trim Size: 0.375 "
  • Trim Type: Quick Opening
  • Seal Class: Class IV
  • Process Fluid: Liquid and Gas
  • Max. Working Pressure: 4000 psig
  • Operation: Pneumatic
  • Catalog Page: E1:60.2
  • Repair Kit P/N: RFA

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