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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
Max. allowed fluid temperature
593 °C

Material number list – ECOLINE PTF 800

14 products
Material number
Price
ECOLINE PTF 800 1 1/2 IN NPT F316 Trim10NPS 1 1/2 (DN40)Internal-thread connection107.8 kg42293012
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ECOLINE PTF 800 1 1/2 IN SW A105 Trim8NPS 1 1/2 (DN40)Welded/soldered/bonded socket87.8 kg42292969
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ECOLINE PTF 800 1 1/4 IN NPT F316 Trim10NPS 1 1/4 (DN32)Internal-thread connection106.5 kg42293011
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ECOLINE PTF 800 1 1/4 IN SW A105 Trim8NPS 1 1/4 (DN32)Welded/soldered/bonded socket86.5 kg42292968
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ECOLINE PTF 800 1 IN NPT F316 Trim10NPS 1 (DN25)Internal-thread connection102.8 kg42293010
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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
Max. allowed fluid temperature
593 °C
Min. allowed fluid temperature
0 °C
Valve body type
Straight-way valve w.weld ends

Sectional Drawings