ECOLINE PTF 800 Lift check valve

Lift check valve ECOLINE PTF 800

Lift 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, spring-loaded valve disc, 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

Technical Data

Nominal pressure
CL 800
Max. nominal size
NPS 2
Maximum allowable fluid temperature
593 °C

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Benefits

  • Long service life and high functional reliability by hard-faced seat/disc interfaces made of wear-resistant and corrosion-resistant materials
  • Reliable sealing. Cover gasket fully confined to prevent creep.
  • Versatile. Closing spring enables use in vertical or horizontal pipes.

Technical Data

Function
Prevent backflow
Connection type
Internal-thread connection,
Butt weld ends,
Socket weld ends
Casing material
C 15 GAL CUZN,
SA182 GRADE F316L,
SA182M GRADE F304,
SA182 GRADE F304L,
UNS K11597,
SA182 GR F316,
A336 GRADE F22 CLASS 3
Nominal pressure
CL 800
Max. nominal size
NPS 2
Min. nominal size
NPS 1/2
Maximum allowable fluid temperature
593 °C
Minimum allowable fluid temperature
0 °C
Valve body type
Straight-way valve w.weld ends

Sectional Drawings