Introduction
The API 6D piston check valve conforms to the stringent API 6D standard and is a core fluid control component in the oil and gas, chemical, energy, and pipeline transportation industries.
Parameter
Model: PHB200 OR EOM
Size: Class 150-600≤30",Class900-1500 ≤24",Class2500≤12"
Bolted Bonnet
Piston Type Disc
Renewable Seat Rings Welded or Threaded
Flanged Ends or Buttwelding Ends
API 6D Bore, Piggable
Metal Seat &Soft Seat Seal
Basic Design: API 6D ASME B 16.34
Face to Face: API6D
End Flange:2"-24"ASME B16.5 26"-30"ASME B16.47
B.W. End: ASME B16.25
Test and Inspection: API 6D
Manufacturing to NACE MR0175 on request
Features
High-Pressure Application
API 6D Piston Check Valve supports various pressure ratings from Class 150 to 2500.
Piston-Type Disc Design
Low flow resistance and quick opening/closing ensure reliable unidirectional flow of the medium.
Replaceable Valve Seat
The valve seat can be welded or threaded, facilitating maintenance and extending service life.
Multiple Port Connections
Available with flanged and butt-welded ends to suit different piping installation requirements.
Pigging Compatible
API 6D bore design supports pipeline pigging for easy maintenance.
Dual Sealing Options
Metal and soft sealing options are available, combining high-temperature and high-pressure capabilities with low leakage performance.
FAQ
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