China manufacturer of API Floating type of ball valve
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1. Structural characteristic:"position indication, lock structure three-prevention structure. "
2. Whole structure see drawing has the position indication lock set, fireproofing, ststicproof, and preventing stem from rush-out.
3. Obvious indication of switch position:sphere, stem and hand-holder as an assembly unit, handholder pointing pipiline derection, ball valve turn-on, vertical pipi-line direction of hand-holder, valve turn-off.
4. Position lock:in order to avoid wrong operation, set up the padlock set, may lock the switch position when necessary.
5. Structure of preventing stem from rush-out:adopt down-installing valve pole, even if be on fire, the filling burned or broken, the convexity of valve pole can keep close touch with airproof surface, which can prevent the medium in valve from leaking largely, so that reduces the losing brought by accident.
6. Static-proof set:Set up the static-proof set to remove the static brought by the friction of nonmetallic valve base and sphere, which prevents static spark from bein brought.
7. Fireproofing structure:adopts double air proofing, when burn of fire, after nonmetallic valves base is bured or broken the medium presses closely the sphere on the metallic air proof surface of valve body to prevent the medium from be released largelly, which meets API607 standard.