Forged Steel Metal Seal Butt Weld Trunnion Mounted Fully Welded Ball Valve

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Product Details


KATA Spheroidal Type ball valves adopts forged material or plates, welded body, instead of bolts and nuts, to aviod any potential leakage from body.

The forged body with regular structure and even thickness can avoid shrinkage cavities, pin holes, cracks, sand holes and other defects occurring to casting body valves.

Usually the spherical type has only one welding seam on the body

Design features:

Design standard: ISO 14313、AIP 6D、GB/T 19672、API 607/6Fa

Fire-safe type

Anti-blow out stem

Anti-static design

ISO 5211 Std. Top flange connection

DBB (Double block and bleed)

DIB-1/DIB-2 (Double Isolation and Bleed)

Bonnet extend

Low temperature packing

Emergency grease injection device

Cavity pressure self relief

Product Range:

Nominal diameter: 2"~36"(DN15~900)

Pressure range: Class 150~2500(PN20~PN420)

Body material:  ASTM A105  ASTM A515/ASTM A516

              ASTM A350 LF2

              ASTM A182 F304/F304L

              ASTM A182 F316/F316L

Trims material: ASTM A105+ENP

              ASTM A350 LF2+ENP

              ASTM A182 F6a

              ASTM A182 F304/F304L

              ASTM A182 F316/F316L

              ASTM A182 F51

              ASTM A564 17-4PH

Seals material:  Surface Nitriding、TCC、13Cr、304、316、STL、INCONEL、MONEL、HASTELLOY ALLOY、Cu、ETC.



End connection: RF、RTJ、BW

Operator type: Wrench、 Worm gear、Electric actuator、pneumatic actuator、gas over oil actuator、electro-hydraulic actuator 、 ETC.

Working temperature: -46~550℃


KAITAI, with over 20 years experience, is one of the professional forged steel metal seal butt weld trunnion mounted fully welded ball valve manufacturers and suppliers in China. All of our good equipments are made by professionals using advanced equipment. Welcome to buy with us.