CHENGGONG Ball Valves also is a professional ball valve components manufacturing company which design, production, sales. We are specialized in producing ball valve parts of different size, pressure and materials.

Closure/cap

Nominal Size：NPS1''~40''（DN25～1000） 

Pressure Rating:Class 150~2500(PN20~420) 

Basic Material: 

ASTM A105, A350 LF2, A182 F304, A182 F316, A182 F6A,A182 F51, A182 F53, 

Stem 

Pressure Rating:Class 150~2500(PN20~420) 

Seat Retainer 

Nominal Size：NPS2''~12''（DN50～300） 

Pressure Rating:Class 150~2500(PN20~420) 

Coatings: 

*ENP For Soft seat *Tungsten Carbide, Stellite for Metal to Metal 

Seat Insert: NYLON/PTFE/RPTFE/PEEK/DEVLON

O-ring : VITON、EPDM、SILICONE,NBR ,AED VITON,ALFAS ,

Feature:

Design of API 6D

Fire-safe Certified API 607

Blowout-proof stem

Low Fugitive Emission Packing

ISO 5211 Mounting Pad