Description
XAPV
Pigging Valves, Pig valves, Pig launcher, Pig
Receiver
SS, CS.
The single body pigging
valve device can substitute the old complex pigging station
perfectly without expensive bypass pipeline system, it already
covers full functions of launcher, receiver, isolating valve,
pressure release valve, drain valve in common pigging
system.
Pig seal-able design for
medium flow isolating application or Inner bypass design for
continuing medium flow un-interruptable application when
pigging.
Top entry design for
convenient online maintenance available.
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Manufacture range:
Size: NPS 2 to *8 in, or
DN *0 to **0 mm.
Pressure class: ASME CL
**0# to CL ***0#, or PN *0 to PN **0.
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General description:
API 6D, ANSI B*6.*4 or
customized basic design.
Material could be
complied with NACE MR ***5.
Flanged by ANSI B*6.5 or
ANSI B*6.*7, butt-welding prepared by ANSI B*6.*5, or according to
order.
Customizable length for
face to face.
Inspected and tested by
API **8, API **7 or API 6FA.
API 6D DIB*1dual DPE seat
rings features insure the completely closed cavity for oparating
safety.
Interlocking safety
design for prevention of prohibitive opetations.
Self located floating
seat rings design for long-life trim.
Quick opening design for
pig entrance.
Standardized safety
design such as blowout proof stem, anti-static structure,
fireproof (fire safe) features.
Open/close position
indicator.
Locking closed or locking
open device available.
Main bore operated by
wrench, hand wheel, gear box, pneumatic, electronic,
hydraulic-pneumatic or specified by clients.
Actuator mounted flange
as per ISO ***1 or specified separately.
