● Blow-out Proof Stem
● Anti-Static Device for Ball-Stem-Body
● Pressure Balance Hole in Ball Slot
● 2 Belleville Washer to Self-adjust Packing
● ISO 5211 Mounting Pad for Easy Automation
● Locking Device Spring Handle
● Fire-Safe Design Available

● Design:ASME B16.34,API 608
● Wall Thickness:EN12516-1
● Flange End:ASME B16.5 CLASS 150/300
DIN 2653 PN10-PN40
JIS B2238 10K/20K
● Inspection & Testing:API 598,EN 12266