Mark 51 Series
The Mark 51 Series handles a broad range of applications including steam, water, oil, gas air and chemicals. Excellent capacity and the sliding gate trim enables the Mark 51 to quickly and accurately regulate upstream pressure preventing over-pressure situations. It features a larger diaphragm to provide greater sensitivity.
Larger diaphragm than a Mark 50 to provide even greater sensitivity and more accurate regulation of your required setpoint
Sizes: 1/4″ – 3/4″ (DN8 – DN20)
Cv (Kv): up to 4.4 (up to 3,8)
Diaphragm: Stainless Steel, Elastomer
Setpoint: 0.5 to 170 psi (0,03 to 11,7 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.
Mark 51 Series: 1/4″ – 3/4″
Mark 51 Series
Sizes: All Sizes
FNPT end connection, SST/Jorlon Diaphragm
Some exclusions may apply
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