Keystone Series 36/37

Keystone Series 36/37

A high performance butterfly valve with a double flanged body

The Keystone Series 36/37 High Performance Butterfly Valve just got better with the launch of the all new double flanged body. Customers in the oil and gas market now have a comprehensive range of body style choices with Keystone’s classic high cycle life and lower cost of ownership. The Double Flanged Butterfly Valve extends the product line, which already includes wafer and lug style versions.

Primarily designed to meet the stringent requirements and safety levels of the oil and gas industry, this high performance butterfly valve is available in a range of sizes, from 3 inches to 24 inches (DN 80-600). This makes them ideally suited for a host of applications, including firewater, hydrocarbons, cargo handling, bilge and ballasts and utilities, just to name a few.

Manufactured to ASME 150 and 300 standards, the Series 36/37 Double Flanged Butterfly Valve features a soft polymer seat. Customers can specify PTFE, RTFE or UHMWPE seats, depending on their application and the performance characteristics required.

The new valve is available in a choice of body materials – carbon steel for general applications, 316 stainless steel and duplex stainless steel for applications requiring superior corrosion resistance.

Applications include:

  • Modulating service
  • Airport refueling
  • Hydrocarbon processing
  • Chemical/petrochemical processing
  • Purified gas
  • Steam and vacuum services
  • Power and utilities
  • Refrigeration
  • HVAC
  • Alumina refining
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