5300 series Circle Seal relief valve – 28 to 724 bar

Product description

Zero leakage up to 95% of cracking pressure. This high pressure relief valve is externally adjustable. Cracking pressure is accurate to +/- 5%. There is no pressure rise with increasing flow and it is resistant to chatter and squeal.

Cracking Pressure Range:

  • 400 to 10,500 psig (28 to 724 bar) – PED approved version available

Body Materials:

  • Brass – 1/8” and 1/4” NPT
  • 303 St St – 1/8” and 1/4” NPT (PED not available)
  • 316 St St – 1/8” and 1/4” NPT

O-ring Materials:

  • Viton, Buna-n, and Neoprene standard

(PDF) Download datasheet

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