· Reliable hard sealing surface coatings
· Middle flange quantitative compression
· Blow-out proof valve stem
· Double bearing design
· Optimized Belleville spring design for wear compensation
· Live-loaded spring design
· Reliable internal and external leakage seal
· Fire proof and anti-static design
· Pressure self-relief design of valve pocket
· Pressure Rating: CLASS150~CLASS2500 (PN10~PN420)
· Bore Size: 1/2″~48″（DN15~DN1200)
· Working Temperature: -46℃~450℃
· Body Material: Carbon Steel, Stainless Steel, Duplex, Hastelloy, Inconel, Monel, other material optional
· Ball Material: F6a, F304, F316, Duplex, Hastelloy, Inconel, Monel, other material optional
· Seat Material: F6a, F304, F316, Duplex, Hastelloy, Inconel, Monel, other material optional
· Operating Mode: Manual, Pneumatic Actuator, Electric Actuator, Hydraulic Actuator
