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Top Entry Ball Valve

The top-entry ball valve can be disassembled on the pipeline easily and quickly, and the maintenance is more convenient and quick. When the valve break down and should to be repaired on the pipeline, it is not necessary to disassemble the valve from the pipeline, just remove the middle flange bolts and nuts, remove the bonnet and stem assembly from the valve body, and then replace the fail parts. This maintenance saves time and minimizes losses in production.

Description:

The top-entry ball valve can be disassembled on the pipeline easily and quickly, and the maintenance is more convenient and quick. When the valve break down and should to be repaired on the pipeline, it is not necessary to disassemble the valve from the pipeline, just remove the middle flange bolts and nuts, remove the bonnet and stem assembly from the valve body, and then replace the fail parts. This maintenance saves time and minimizes losses in production.

Specification:

Size: 1/2”~40” (15mm~1000mm)

ASME Class: 150LB~2500LB

Connection Ends: Flange, Butt Weld, Socket Weld, Screwed etc.

Operation: Lever, Gear, Electric, Pneumatic etc.


Applicable Standards:

Design & Manufacture: API 6D, API608, ISO 14313, ISO 17292, BS 5351

Pressure and Temperature Range: ASME B16.34

Face to Face Standard: ASME B16.10

Flange Ends: ASME B16.5

Butt Weld Ends: ASME B16.25

Socket Weld Ends: ASME B16.11

Screwed Ends: ASME B1.20.1

Fire Safe: API 607

Anti Static: API 608


Range of Materials:

Cast Steel:    ASTM A216 WCB/ WCC, 

ASTM A352 LCB/ LCC/ LC1/ LC2/ LC3, 

ASTM A217 WC1/ WC6/ WC9/ C5

ASTM A351 CF8/ CF8M/ CF3/ CF3M, 

ASTM A955 4A/ 5A, Hastelloy B/C etc.


Forged Steel: ASTM A105 (N), 

ASTM A350 LF1/ LF2/ LF3/ LF9, 

ASME A182 F1/ F11/ F22/ F5,

ASTM A182 F304/ F316/ F304L/ F316L

ASTM A182 F51/ F53

Design Features:

The valve bonnet on the top rather than side.

Valve body is one piece type that can reduce leakage points.

The top-entry ball valve adopts bottom-mounted stem and back seat structure to ensure reliable sealing at the packing.

Anti-statistic&fire safe design.

Floating or trunnion type.

Soft seat or metal seat .


Why Choose US:

Perfect quality

Competitive price

Best service

24 months guarantee


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