Perar Top Entry Ball Valve
Perar Ball Valve 1/2″ – 48″ ASME Class 150 – 2500
Standard model perar subsea top entry ball valve are designed according to API6DSS, API6A, API17D with the addition of customer requirements when present.
Basic Characteristics
- API6DSS, API6A, API17D design as requested
- Bi-directional sealing
- Spring loaded metal-to-metal seats (tungsten carbide coating 0,2 mm – 0,4 mm thickness)
- Anti-blow out design stem
- Non-elastomeric seals to avoid the risk of gradual degradation of the seals over their life
- Full metal-to-metal sealing at body-bonnet and valve stem
Detail Specification
Body, Bonnet, Pups | ASTM A182-F22 + Inconel 625 overlay Duplex 22% Cr, etc.. |
Trim | ASTM A182-F22 + Inconel 625 overlay Duplex 22% Cr, etc.. |
Body Seals / Seat Seals | Duplex 22% Cr, Superduplex 25% Cr, etc.. |
Seat Insert | METAL WITH TUNGSTEN CARBIDE COATING (MIN. TH. 0.2 mm), etc.. |
Bolting | ASTM A320-L7 / A193-B7 (XYLAN COATED, ZINC ELECTROGALVANIZED), ASTM A320-L7M / A193-B7M (XYLAN COATED, ZINC ELECTROGALVANIZED), etc.. |