MECCO Trunnion Mounted Ball Valves are designed and manufactured in accordance with API 608, API 6D, ISO 17292, and GB/T 12237. Pressure ratings include CL150, CL300, CL600, CL900, CL1500, and CL2500 (or PN16 to PN420). If other pressure ratings are required, design can follow ASME B16.34 or GB/T 12224. Operating temperature range: -29℃ to 538℃.
Size:
NPS1/2~~NPS60 (DN15~~DN1500), sizes beyond this range can be custom manufactured according to customer requirements.
Material:
Body materials according to customer order requirements, can be cast or forged materials.
Internal parts/Stem:
Seat rings use soft sealing materials such as PTFE, RPTFE, PEEK, etc., or hard sealing materials made by overlay welding, surfacing welding, spraying, laser cladding, etc., similar to the ball; hardness, corrosion resistance, and wear resistance of the sealing surface can be customized according to working conditions or customer requirements; stem is made of integral forged material or configured per customer requirements.
Structure:
Two-piece or three-piece design, with upper and lower support plates or fixed shaft; DBB, DIB-1, DIB-2 structures; can also be designed as three-way or multi-way connection types according to customer requirements.
Operation mode:
Handle, worm gear drive, electric, pneumatic, electro-hydraulic, etc.
