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Valve Mandatory Installation
Created on 06.16
I. Mandatory Installation by Direction (Reverse Installation Causes Failure / Leakage)
Globe Valve
- Core Principle:
- Reason:
Check Valve
- Core Principle:
- Lift-type:
- Swing-type:
- Reverse Installation:
Eccentric Butterfly Valve
- Core Principle:
- Reverse Installation:
Throttle Valve
- Core Principle:
- Reverse Installation:
Control Valve
- Industrial Single‑Seat Valve:
- Cage‑Type Valve:
Safety Valve
- Industrial Core Principle:
Steam Trap
- Industrial Core Principle:
II. No Strict Directional Requirement (Bidirectional Service)
- Gate Valve:
- Full‑Port Ball Valve:Note:
III. Quick Identification Methods
- Check the valve body:
If a flow arrow (→) is present, installation must follow the arrow.
- Examine the structure:
- Read the nameplate:
If marked with “Flow Direction” or “Inlet/Outlet,” strictly adhere to the markings.
IV. Consequences of Reverse Installation
- Globe Valve:
- Check Valve:
- Eccentric Butterfly Valve:
- Control Valve:
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