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Design features:
Through hole or shrink hole structure;
Fireproof type test certification;
Blowout proof valve stem;
Anti-static device;
Low leakage design packing and stuffing box;
All with lockable device;
ISO 5211 top flange.
Design features:
Through hole or shrink hole;
Fireproof type test certification;
Dual blocking and exhaust function;
Valve stem and valve seat injection system;
Self-pressure relief in the middle cavity;
Blow-out proof valve stem;
Anti-static;
Optional double piston design.
Design Features:
Rising stem external thread and bracket, lifting stem, bolted bonnet;
Thrust bearing and balanced disc structure for large-diameter valves;
Threaded or welded seat rings available;
Conical disc available;
Fully jacketed or semi-jacketed design available;
Extended stem available;
Working pressure: Vacuum to 241 bar (3500 psig)
Flow Cv: 0.14~0.2
Working pressure: Vacuum to 241 bar (3500 psig)
Flow Cv: 0.8
Nominal pressure: 1.6MPa
Working medium: water, oil, gas
Working temperature: t≤120℃
Test pressure complies with ISO5208 standard
Pipe thread complies with ISO228 standard