Metal To Metal Full Welded Ball Valve
Metal To Metal Full Welded Ball Valve use metal-to-metal seat with fully welding body to achieve high sealing performance under extremely working condition.Applying this design,the ball valve can be install and work underground.
VALVE DESIGN
Based on API 6D and customer requirements
TEMPERATURE RANGE
-150 to 428°F (-101 to 220°C)
SIZE
NPS 1-36 (DN 25-900)
PRESSURE RATING
ASME 150 - ASME 2500
FACE-TO-FACE
As per API 6D standard
END CONNECTIONS
RF, RTJ as per B16.5 &B16.47
BW, Butt Welded as per B16.25
MATERIALS:
Carbon Steel,Stainless Steel,Low-Temperature Carbon Steel,Duplex, Super Duplex, Inconel
BODY DESIGN
Forged bolted two-piece and three-piece
SEAT DESIGN
Metal seated with Hard facing on ball and seats
Double piston seats
Combination seats
FEATURES
Double block and bleed design (DBB)
Secondary seals in pure Graphite
Anti-static device
Anti-blowout stem
Emergency sealant injection on seats and stem available
Low fugitive emission stem packing available
CRA overlay on all dynamic sealing areas or on all wetted parts available
Stem extension for underground installations
OPERATOR
Manual: wrench or Gear with padlocking
Actuated: Pneumatic /Electric
TESTING & CERTIFICATIONS
Compliance with API 6D & ISO 5208 & API 598 inspection and testing
Fire safe and fire tested as per API 607
SIL 3 Certification as per IEC61508
Fugitive Emission as per ISO15848
PED 2014/68/UE
FAQ
Q: What are the factors influencing the price of metal fully welded ball valves?
A: The factors include size, pressure class, material, and some special requirement: like NDT test, material certificate. If you are intersted in fully welded ball valve, please also share the dimension for extended stem. It's important for price calculation, as extended stem will greatly influence on price.
FAQ
Q: Which kind of place is this ball valve usually used?
A: Metal to metal fully welded ball valve is usually applied underground for transport oil, natural gas and sour chemical fluid.
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