MECCO DBB (Double Ball) Valves are designed and manufactured in accordance with API 6D and GB/T 19672. Available pressure ratings include CL150, CL300, CL600, CL900, CL1500, and CL2500 (or PN16 to PN420). For other pressure classes, the design can follow ASME B16.34 or GB/T 12224. Operating temperature range: -50℃ to 150℃.
Size:
NPS1/2~~NPS24 (DN15~~DN600), sizes beyond this range can be custom manufactured according to customer requirements.
Material:
Body material according to customer order requirements, forged materials are used.
Internal parts/Stem:
Seat rings use soft sealing materials such as PTFE, RPTFE, PEEK, etc.; ball sealing surfaces are made by overlay welding, surfacing welding, spraying, laser cladding, etc.; stem made of integral forged material or configured per customer requirements.
Structure:
Double ball, floating ball or fixed ball structure; structural length is non-standard and requires negotiation with the customer.
Operation mode:
Handle, worm gear drive, electric, pneumatic, electro-hydraulic, etc.
