Swing Type Check Valve

Features

  • Double flanged ductile iron casted lightweight construction,
  • Low pressure loss and flow through full section at the open position,
  • Maintenance free long life cycle,
  • 100% sealing with either natural rubber gasket or metal to metal seats,
  • Adjustable counter weight,
  • Hydraulic damper with an adjustable shutdown speed (70% + 30%) (optional),
  • Vertical or horizontal assembling opportunity,
  • Suitable for wastewater project.

 

Applied Standards

Face to face dimensions DIN 3202 F6
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 DN80 - DN1600 mm
PN25 DN80 - DN600 mm

 

Test Pressures (according to EN 12266)

  PN10 PN16 PN25
Seat (bar) 11 18 27,5
Body (bar) 17 25 37,5

 

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),
AISI 304-316 (optional)
Shaft Stainless steel, 1.4021 (X20Cr13)
AISI304 – 316 (optional)
Bearing Bronze, GBzSnPb4,
Sealing Surface Bronze, GBzSnPb4/ Natural rubber, EPDM or NBR
Bronze, GBzSnPb4/ Bronze, GBzSnPb4 (optional)
Gasket Natural rubber, EPDM or NBR
Bolts & Nuts Galvanized steel, quality 8.8
Stainless steel, quality A2 (optional)
Lever & Counter Weight DI casting, GJS-400.15 / GJS-500.7, EN 1563 (GGG40 – 50, DIN 1693)
Internal-External Coating Blue electrostatic epoxy powder coating RAL 5010, other RAL colors (optional)

 

Accessories

  • Counter weight protection.