Nozzle Type Check Valve

Features

  • Double flanged ductile iron casted lightweight construction,
  • Maintenance free long life cycle,
  • Silent shutdown mechanism with spring,
  • Suitable for high pressure usage,
  • Compact design without lever and weight.

 

Applied Standards

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 - PN25 DN150 - DN1000 mm

 

Test Pressures (according to EN 12266)

  PN10 PN16 PN25 PN40
Seat (bar) 11 18 27,5 44
Body (bar) 17 25 37,5 60

 

Materials

Body DI casting, GJS-400.15 / GJS-500.7, EN 1563 (GGG40 – 50, DIN 1693)
Obturator Stainless steel casting, AISI 304
Stainless steel casting, AISI 316 (Optional)
Spring Rilsan coated steel
Shaft Stainless steel, 1.4021 (X20Cr13)
AISI304 – 316 (optional)
Sealing Surface Stainless steel fillet weld with precision machining, AISI 316L
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).