High Sensitivity

The Mark 61 Series handles a broad range of applications including steam, water, oil, gas, air and chemicals. It is a self-operating pressure regulator used to regulate the downstream pressure to a predetermined setpoint. The sliding gate seats offer excellent control and extreme longevity in a compact, lightweight design. It features a larger diaphragm to provide greater sensitivity.

Features & Benefits
  • Large diaphragm to provide greater sensitivity
  • Minimum offset from a required setpoint

Sizes: 1/4″ – 3/4″ (DN8 – DN20)

Cv (Kv): up to 4.4 (up to 3,8)

Diaphragm: Stainless Steel, Elastomer

Setpoint: 1 to 180 psi (0,07 – 12, 4 bar)

Body Material: Ductile Iron, Bronze, Carbon Steel, Stainless Steel

End Connection: Threaded, Flanged, Socket Weld, Butt Weld


Benefits of the Sliding Gate

Read on to learn the benefits of owning sliding gate regulators and control valves.

Sliding Gate Infographic

Download this infographic on the benefits of the sliding gate in regulators and control valves.

Sliding Gate Valve Overview

Watch this video for an overview of Sliding Gate Pressure Regulators and Control Valves

Sliding Gate Videos

Learn more about the sliding gate seat design by watching these videos.


CRN Number
Mark 61: 1/4″ – 3/4″

ATEX Certified

Jordan Valve Express

Mark 61 Details:
Sizes: All sizes

FNPT end connection, SST/Jorlon Diaphragm

Exceptions may apply.

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Mark 60 Series

Self-Operated Sliding Gate Pressure Regulator

Mark 601/602 Series

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Mark 62 Series

Internally Piloted Regulator

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Line Strainers

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