Overview

The Top Entry Ball Valve closes tightly with only 90 degrees of rotation and small torque. The perfectly equal inner cavity provides a low resistance, straight flow path for the medium. It is larger in size and made of better materials than the typical household valve. The surface is painted for a good finish. Top Entry Ball Valves are suitable for conveying gases such as air, vacuum, liquids such as water, organic solvents and liquids containing suspended particles.

The Top Entry Ball Valve is simple in structure, small in size, quick to open and close, and easy to operate. It has the lowest flow resistance and does not interfere with the transmission of the medium. In addition, it can be reliably used in corrosive media and low boiling point liquids as it does not jam during operation. Moreover, a complete seal can be achieved over a wide range of pressures and temperatures.  

PRODUCT RANGE

Sizes NPS 2 to NPS 48

Class 150 to Class 2500

DESIGN FEATURES

Full or Reduced Bore

RF, RTJ, BW or PE

Top Entry design

Double Block & Bleed (DBB)，Double Isolation & Bleed (DIB)

Emergency seat and stem injection

Anti-Static Device

Anti-Blow out Stem

Cryogenic or High Temperature Extended Stem

MATERIALS

Casting A216 WCB, A351 CF3, CF8, CF3M, CF8M, A995 4A, 5A, A352 LCB, LCC, LC2

Forging A105, A182 F304, F3304L, F316, F316L, A182 F51, F53, A350 LF2, LF3, LF5

Inconel, Hastelloy, Monel

DESIGN STANDARD

Design & manufacture according to API 6D, API 608, ISO 17292

Face-to-face according to API 6D, ASME B16.10

End Connection according to ASME B16.5, ASME B16.47, MSS SP-44 (NPS 22 Only)

Test & inspection according to API 6D, API 598

Fire safe design according to API 6FA, API 607

Also available per NACE MR-0175, NACE MR-0103, ISO 15848

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