API ball valve

1. Structural characteristic: position indication, lock structure three-
prevention structure.
2. Whole structure has the position indication lock set, fireproofing, anti static, and preventing stem from rush out.
3. Obvious indication of switch position: sphere, stem and 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 form
rush out: adopt down installing valve pole, even if be on fire, the filing
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. Fireproofing structure:
Adopts double air proofing, when burn of fire, after nonmetallic valves base is burned or broken the medium presses closely the sphere on the metallic air
proof surface of valve body to prevent the medium from be released largely,
which meets API607 standard.
7. For the metal sealed float ball valve: valve seat adopts spring loaded metal seated construction and is suitable for high temperature working condition and various mediums.
8. Bottom mounted stem is
adopted, inverted sealing structure set up and stuffing seal reliability
guaranteed.
9. A 90?distance spacer with holes is provided, which can be added one lock so as not to result in wrong operations.