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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
Standardisation:
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)