Mark 58G Series Back Pressure Regulating Valve
Product Overview
The Mark 58G is available in sizes up to 2″ (DN50) in carbon steel or stainless steel. Diaphragms can be either Jorlon, Stainless Steel or Elastomer. Low flow versions with Cv values as low as 0.26 are available in certain sizes.
Key Features and Benefits
Easy to maintain and service – top entry access plug; diaphragm
Large effective diaphragm area – reduces droop for increased accuracy and sensitivity
Large orifices and body passages – provides high flow capacities
“Tight Shutoff” – choice of soft (ANSI CL VI) bubble tight seats or hard (ANSI CL IV)
Versatile application – use on steam, air, gas liquids or chemicals
Technical Specifications
Sizes: 1/4″ through 2″ (DN8 through DN50)
Body Material: Carbon Steel, Stainless Steel
End Connection: Threaded, ANSI Flanges, DIN Flanges
Diaphragm: Buna-N, EPDM, Jorlon, 316/316L SST, Viton/Nomex
Cv (Kv): up to 20 (up to 17,3)
Available In The Following Areas
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