Bi Directional Ball Valve

Bi Directional Ball Valve
Size range:DN15 (1/2") to DN1400 (56")
Pressures range:PN20 (ANSI 150) to PN420 (ANSI 2500)
Temperature range:-50° to 200°C (-58° to 392°F)
Port Type: Reduced bore, full bore or fully piggable

Product Details

Bi Directional Ball Valve


Features & Benefits of Bi Directional Ball Valve

The bidirectional rotary ball valve is developed based on the mechanism of the metal sealed triple eccentric butterfly valve. The welded rotary  ball valve can be used at the delivery end of the water pump, pipe network system, recovery system, high water tank, sewage system and the backflow prevention system to start, close or control the pipeline.
Our bidirectional rotary ball valve is well received by metallurgy industry, mine industry, petrochemical industry, chemical industry, electric power, environmental protection, municipaladministration, and some others.
Features
1 Produced with bidirectional sealing structure, the installation of the bidirectional rotary ball valve will not be restricted by the direction of the fluid.
2 Since the metal sealed bidirectional rotary ball valve is offered with self-sealing device, reliable sealing performance can be realized under the pressure from medium.
3 Powerful specific pressure of sealing can be obtained when the flanged ball valve is installed in the direction in opposite to that of the fluid. The pressure is applied to the valve seat of the bidirectional rotary ball valve. The contact area of the point of action is annular.
4 The manual control rotary ball valve has longer service life due to wear compensation.

5 The unique rotational structure, as well as the sphere-conical sealing surface of the valve seat, makes for the self-cleaning, since the solid particle will be crushed when the power-driven bidirectional rotary ball valve is opened or closed.


Products Specification about Bi Directional Ball Valve

STANDARD FEATURES 
ConstructionTwo or Three piece bolted body
PortReduced bore, full bore or fully piggable
Stem retentionAnti blow-out stem
Leakage rateISO 5208 rate A soft seated, rate D metal seated
Antistatic deviceIncluded, the ball valve design includes an electric conductive connection between the internal parts of the ball valve and the body, providing the anti-static function.
Pressure reliefAutomatic cavity relief to prevent overpressure in body cavity (self-relieving seats)
SealingBi-directional, Double block & bleed (DBB) with sealing in both directions (DIB-1&2 upon request)
Metal seated with Tungsten or Chrome Carbide coatings
Primary metal secondary soft (PMSS) with differential hardness between the ball and seat to prevent galling of the substrate
Soft seated with thermoplastic polymers (Nylon, PEEK, PCTFE), special polymers upon request
Elastomers FKM, HNBR, EPDM O-Rings, special elastomers upon request
DrainDrilled and threaded connections for all sizes
VentDrilled and threaded vent connections for sizes ≥ DN150 (6") < DN150 upon request
Stem grease injectorsIncluded for all sizes
Seat grease injectorsIncluded for sizes ≥ DN150 (6"), < DN150 upon request
Lifting pointsIncluded for sizes ≥ DN150 (6") or on valves of 250 kg min
Support feetIncluded for sizes ≥ DN150 (6") or on valves of 250 kg min
Stem extensionNot foreseen for this model
Valve operationLever, Gear box or Actuator with position indicator and locking device
Material testingPressure containing & controlling parts to EN 10204 3.1
Materials in Sour Service according to NACE MR0175, MR0103, ISO 15156
Non-destructive testing (NDT) to API 6D, ASME B16.34
Valve testingHydrostatic & pneumatic testing to API 6D, ASME B16.34, ISO 5208 (other upon request)

TECHNICAL DATA 
DesignAPI 6D, API 6DSS, API 6A, ASME B16.34, ISO 14313, ISO 10423, ISO 17292
Design pressureASME B16.34, EN 1092-1, ISO 17292
Body wall thicknessASME B16.34, ASME VIII Div. I, ISO 17292
Face to FaceAPI 6D, ASME B16.10 Long pattern
Temperature range-50° to 200°C (-58° to 392°F)
Pressures rangePN20 (ANSI 150) to PN420 (ANSI 2500)
Size rangeDN15 (1/2") to DN1400 (56")
End connectionsASME B16.5 ≤ DN600 (24") Flanged RF,FF,RTJ
MSS-SP-44 = DN550 (22") Flanged RF,FF,RTJ
ASME B16.47 A ≥ DN650 (26") Flanged RF,FF,RTJ
ASME B16.25 Butt-Weld BW
Clump (HUB)


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Bi Directional Ball Valve

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