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ECOLINE SCF 800 Swing check valve
Swing check valve


Swing check valve to ANSI/ASME with threaded sockets (NPT), butt weld ends (BW) or socket weld ends (SW), Trim 8 (Stellite/13 % chrome steel), with bolted cover (Class 800) or welded cover (Class 1500 and 2500), internally mounted hinge pin, available in carbon steel and alloy steel.
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Main Applications

  • Boiler feed applications
  • Fossil-fuelled power stations
  • Petrochemical industry
  • Pipelines and tank farms
Show all applications

Technical Data

  • Nominal pressureCL 800
  • Max. nominal sizeNPS 2
  • Max. allowed fluid temperature593 °C


  • Long service life and high functional reliability due to hard-faced seat/disc interfaces made of wear-resistant and corrosion-resistant materials
  • Reliable sealing. Cover gasket fully confined to prevent creep.
  • Risk of leakage is reduced by internally mounted hinge pin.

Material number list – ECOLINE SCF 800

12 products
NameNominal pressureNominal size InletConnection type InletWeightMaterial numberPrice
ECOLINE SCF 800 1 1/2 IN SW A105 Trim8CL 800NPS 1 1/2 (DN40)Welded/soldered/bonded socket4.5 Kilogram42292975
upon request
ECOLINE SCF 800 1 1/2 IN SW F316 Trim10CL 800NPS 1 1/2 (DN40)Internal-thread connection4.5 Kilogram42293018
upon request
ECOLINE SCF 800 1 1/4 IN SW A105 Trim8CL 800NPS 1 1/4 (DN32)Welded/soldered/bonded socket3.4 Kilogram42292974
upon request
ECOLINE SCF 800 1 1/4 IN SW F316 Trim10CL 800NPS 1 1/4 (DN32)Internal-thread connection3.4 Kilogram42293017
upon request
ECOLINE SCF 800 1 IN SW A105 Trim8CL 800NPS 1 (DN25)Welded/soldered/bonded socket1.9 Kilogram42292973
upon request


TitleFormatSizeLast change
TitleFormatSizeLast change
Operating manual (0570.86_EN)PDF17.534/19/2021
Operating manual ECOLINE GTF/GLF/SCF/FYF (7361.81_EN)PDF0.614/19/2021
TitleFormatSizeLast change

Technical Data

  • FunctionPrevent backflow
  • Connection typeInternal-thread connection, Butt weld ends, Socket weld ends
  • Casing materialA105, A182 GRADE F 22, A182 GRADE F 304, A182 GRADE F 316
  • Nominal pressureCL 800
  • Max. nominal sizeNPS 2
  • Min. nominal sizeNPS 1/2
  • Max. allowed fluid temperature593 °C
  • Min. allowed fluid temperature0 °C

Sectional Drawings

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