Mark 58G Series
Globe Style, Back Pressure Regulating Valve
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.
Features & 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
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)
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