Suitable for sizes 14” and over sizes class 150lb to class 900lb, 6” and over sizes class 1500lb and over, with anti-blow out stem, Full Anti-static, Double Block and Bleed, Fire Safe, Triple barrier stem seals, the upper seal can be replaced with the valves in-line, under pressure with the ball in the closed and full open position.

Lower operation torque.

No pipe line direction force applied on stem.

Especially suitable for high pressure class working condition.

Special request available :
1. SPE DPE function valve.
2. Metal to metal primary seal, secondly soft seal.
3. Both DPE seals.
4. Cryogenic service.
5. Metal to metal seal.
6. Flow rate control available.          

              
Innovation engineering:
● Dynamic seal AED buffer sealing available.
● No pipeline force applied on stem.
● High pressure gas ZERO bubble leaking.
 

QSL 3G and PSL 3G and higher level are recommended by us.