Slanted Type Tilting Check Valve

Features

  • Double flanged design without counter weight,
  • A lighter weigh due to ductile iron casting,
  • Maintenance free long life cycle,
  • Horizontal design minimizing water-hammer effect,
  • Low pressure loss,
  • Internal hydraulic damper unit.

 

Applied Standards

Design EN 12334
Face to face dimensions EN 558-1 Series 14 (DIN 3202 F4)
Flange Dimensions EN 1092-2
ISO 7005-2
BS 4504
DIN 2501
Coating DIN 30677
Test EN 12266-1 & -2
EN 1074-1 & -3

 

Pressure Classes and Diameters

PN10 - PN16 DN250 - DN1200 mm

 

Test Pressures (according to EN 12266)

  PN10 PN16
Seat (bar) 11 18
Body (bar) 17 25

 

Materials

Body DI casting, GJS-400.15 / GJS-500.7, EN 1563 (GGG40 – 50, DIN 1693)
Obturator DI casting, GJS-400.15 / GJS-500.7, EN 1563 (GGG40 – 50, DIN 1693),
Stainless steel AISI 304-316 (optional)
Shaft Stainless steel, 1.4021 (X20Cr13)
AISI304 – 316 (optional)
Bearing Bronze, GBzSnPb4
Teflon (optional)
Sealing Surface Stainless steel fillet weld with precision machining, AISI 316L
O-ring Natural rubber, EPDM or NBR
Bolts & Nuts Galvanized steel, quality 8.8
Stainless steel, quality A2 (optional)
Internal-External Coating Blue electrostatic epoxy powder coating RAL 5010, other RAL colors (optional)

 

Accessories

  • Internal hydraulic damper,
  • Position indicator.