Upstream Pressure Regulating Valves Series 700

These are self operated upstream pressure regulating control valves, used in many applications for limiting pressure buildup (i.e. prevent overpressure) at its location in the pressure system.

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Specification Document

Design Features

  • Glandless Construction: Where positive Zero gland packing is required the design scores over conventional solutions such as bellow seals etc. As the gland itself is eliminated.
  • Wide range of body sizes to satisfy varied flow requirements
  • Tight sensitivity and stability of controlled pressure.
  • Provides excellent tight shutoff capability over long working life.
  • Compact design with minimum number of moving parts.
  • Simple resetting.

About Upstream Pressure Regulating Valves

These are self operated upstream pressure regulating control valves, used in many applications for limiting pressure buildup (i.e. prevent overpressure) at its location in the pressure system.

The valve opens in proportion to the inlet pressure preventing a rise of internal pressure in excess of a specified value.

These valves are used on a wide range of applications in the chemical process industry for up-stream pressure control, eg: Refineries, Fertiliser and Petrochemical Plants, Pharmaceutical and Food Processing Plants

Product Specifications

Design CodeASM B16-34
Valve Size15 to 600 mm (1/2” to 6”)
Valve TypeDirect Operated, Pilot Operated
RatingANSI 150 to 300 Higher on request
End ConnectionFlanged up to 6”, Screwed up to 2”
Body MaterialCarbon Steel, Chrome-moly Steel, Stainless Steel, Monel, Alloy 20, Hastelloy B/C, Duplex Stainless Steel, Aluminium bronze
Trim MaterialStainless steel, Duplex stainless steel, 13% Chrome Steel, Monel Hastelloy B/C, Stellite
DiaphragmNitrile / Neoprene (nylon reinforced), Natural Rubber, EDPM, Viton, Teflon
Max. TemperatureAs per the diaphragm limitations

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