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Dual plate swing system check valve - Figure 371

Dual plate swing system check valve - Figure 371

The Sferaco wafer type dual plate system:

  • Hoisting hook from DN200
  • Corrosion-resistant spring made of stainless steel ASTM A182 F316
  • PTFE spacer rings
  • Seat tightness by vulcanised EPDM gasket
  • Compact design, wafer pattern
  • Low head loss
  • Corrosion-resistant epoxy painting

Applications: Heating, water distribution

Size: From DN50 to DN600

TS: -10°C/+110°C

PS: 16 bar up to DN300, 10 bar over

Body material: Cast iron EN-GJL 250 (GG25)

Gasket material: EPDM

Plate material: stainless steel ASTM A351 CF8M


Face to face according to EN 558 series 50 

2014/68/EU Directive: risk category  III / module H 

Between flanges according to EN 1092-1 PN 10/16

Mounting position: horizontal or vertical (upward flow)