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CHEMVALVEDUO CHECK TILBAKESLAGSVENTIL

DDC Duo Check is a double-disc check valve that provides a low pressure drop across the valve and has relatively high KV values.

Used for water, seawater, air, oils, process water etc. The Check Valve has Wafer design and can be mounted between flanges. Variants are available in cast iron, ductile iron, carbon steel, stainless steel, aluminum bronze, duplex, super duplex and other metals. DUO Check can also be obtained with internal rubber lining.

Contact us for more information about these variants.

Properties
  • Wafer execution for mounting between flanges.
  • DIN: DN15-1400, PN6-40
  • ANSI: 2" - 24", Class 150-1500
  • JIS 5K/10K
Technical data
  • Face to face dimensions by further agreement.
Technical documentation
  • PED 97/23/EC
  • ATEX on request
  • TA-Luft on request
  • Certificate EN 10204-3.1 on request
Technical table
Body: Cast iron, ductile iron, carbon steel, Stainless steel, aluminum bronze, duplex, super duplex, 254 SMO, Inconel and others
Plate/Check: Stainless steel, carbon steel, Alu-bronze, duplex, super duplex, 254 SMO, Inconel and others
Fjærer: Stainless steel, Inconel, monel and others.
Shaft: Stainless steel, duplex, super duplex, inconel, monel, 254 SMO and others
Sealing Metal sealing or with O-ring seal in NBR, EPDM, PTFE, Viton and others
Options: Internal rubber lining