Type 33020/34020/34320

> Safety valves made with a Brass or Stainless Steel body and Stainless Steel inlets
> Enclosed discharge valve with threaded connections
> Elastomer rubber sealing

Product Description

Type 33020/34020/34320

1/4″ Nominal Bore Enclosed Discharge Safety Relief Valve for Compressed Air & Gases

 

Example Applications:
  • Air/gas compressors
  • Pressure vessels
  • Pneumatic systems
  • Medical gases/Technical gases
  • Hydrogen (with 316 stainless steel inlet)

 

 

View or Download Datasheet

Technical Information

Technical Information for Type 33020 / 34020 / 34320

  • Min. Pressure
    55.00 bar (797.50 psi)
  • Max. Pressure
    103.4 bar (1508.00 psi)
  • Temperature Range
    -40°C to 200°C (subject to seal material)
  • Flow Area
    40.02 mm² (7.14 mm inlet bore diameter)
  • Inlet Connection(s)
    3/8" to 1/2" BSP, BSPT or NPT
  • Outlet Connection(s)
    1/2" BSP, BSPT or NPT
  • Flow Rate
    Refer to Flow Tables on the datasheet
  • Materials
    Brass & St. Steel or St. Steel
  • Seal Materials
    Viton® / Nitrile
  • Test Certification
    Included - supplied Free of charge
Materials:
  • 33020 = Brass body with 303 Stainless Steel Inlet
  • 34020 = 316 Stainless body with 303 Stainless Steel Inlet
  • 34320 = 316 Stainless body with 316 Stainless Steel Inlet

 

Notes:
  • Relieving pressure is set pressure +10%
  • Reseating pressure is set pressure -15%

 

Approvals:
  • Designed in accordance with BS EN ISO-4126-1 & -7
  • PED 2014/68/EU (CE)
  • PE(S)R UK SI 2016 No. 1105 (UKCA)

 

Unassuming Guardians

Operating quietly in the background, safety relief valves continuously monitor pressure and, if needed, act swiftly to protect systems without disrupting processes.

Downloads

View or Download the Type 33020 / 34020 / 34320 Datasheet

Full Technical Information - Including Flow Rates

View or Download the Type Type 33020 / 34020 / 34320 Datasheet

Seetru offers a wide range of downloadable datasheets for our products, including safety relief valves, liquid-level gauges, and sight glasses.  These datasheets provide detailed information on the technical specifications, features, and applications of Seetru products.  They are an essential resource for engineers, designers, and other professionals who need to select the right Seetru products for their specific needs.

 

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