Type 616/611

The 616 Range of Atmospheric Discharge Safety Relief Valves
for Compressed Air & Gases

Product Description

Type 616/611

The 616 Range of Atmospheric Discharge Safety Relief Valves for Compressed Air & Gases is available with a choice of 8mm, 10mm, 13mm, 18mm or 20mm Nominal Bore. See datasheet for full details.

Atmospheric Discharge Safety Relief Valve for Compressed Air & Gases

 

Example Applications:
  • Compressors
  • Pressure vessels
  • Pneumatic systems
  • Transport and railway systems

 

 

View or Download Datasheet

Technical Information

Technical Information for Type 616 / 611

  • Min. Pressure
    2.00 bar (29.00 psi) *
  • Max. Pressure
    55.00 bar (797.50 psi) *
  • Temperature Range
    -40°C to 200°C (subject to seal material)
  • Inlet Connection(s)
    1/4" to 2" BSP, BSPT or NPT inlet *
  • Flow Rate
    Refer to Flow Tables on the datasheet
  • Materials
    Brass
  • Bore
    8mm, 10mm, 13mm, 18mm, 20mm
  • Seal Materials
    Viton® / Nitrile
  • Test Certification
    Included - supplied Free of charge
* Dependent on bore size.
See datasheet for full details

 

Notes:

Relieving pressure = Set pressure +10%
Reseating pressure = Set pressure -10% ( 0.3 bar minimum )

 

Flows Rates:

Flow calculated based upon: Air @ 15°C and 1013 mbar and are for guidance only, contact Seetru for help in sizing to your specifications.

 

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)
  • ASME BPVC VIII.1 & XIII (UV)
  • CRN (for 18mm & 20mm bore valves only)

Downloads

View or Download the Type 616 / 611 Datasheet

Full Technical Information - Including Flow Rates

View or Download the Type 616 / 611 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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