Gas, Low Pressure, Internal Sensing

The Mark 608IS gas pressure regulator is the ideal valve for low pressure gas regulation. The self-contained low pressure gas regulator is for use on tank blanketing, gas meter inlet pressure regulating, gas burners and other low pressure air and gas applications. The valve can be installed in any position and can be easily repositioned in-line.

Features & Benefits
  • Inlet pressures up to 150 psi (10 bar)
  • Rugged, heavy-duty design allows emergency outlet pressure to reach 100% of inlet pressure without damaging valve
  • 360° body orientation enable valve installation in any position and easy repositioning in-line
  • Easy to inspect and maintain – Seat and plug can be inspected without removing body from the line
  • Completely self-operated. No external power source required
  • Soft elastomer plug provides ANSI Class VI shutoff

Sizes: 3/4″ – 1-1/4″ (DN20 – DN32)

Body Material: Carbon Steel, Stainless Steel

End Connection: Threaded, Flanged

Diaphragm: Viton

Setpoint: 1″ w.c. to 3.5 psi (2,5 mbar to 0,24 bar)

Max. Inlet Pressure: 150 psi (10 bar)


Tank Blanketing Reference Guide

Need a quick reference guide showing the quick specs of our most popular tank blanketing valves? We have you covered! Download our Reference Guide.

What Is Tank Blanketing?

Learn the basics about tank blanketing. Read on!

What is Tank Blanketing (Part 2)

Learn more about tank blanketing.


CRN (Canadian Registration Number)
ATEX Certified

Jordan Valve Express

The Mark 608IS is available for Next Business Day Shipment.

Size Range: 3/4″ – 1-1/4″
End Connections: FNPT
Plug Materials: SST and Viton
Pressure Control Ranges: All
Orifice Sizes: All

Some exclusions may apply

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Related Products

Mark 608 Series

Gas Pressure Regulator, Balanced Plug

Mark 608BP Series

Balanced Plug, ANSI Class VI

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