Keystone Optiseal Resilient Seated Butterfly Valve
Non-returnable
PHP100.00
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The Keystone OptiSeal is a resilient seated butterfly valve for general purpose, food and beverage processing, industrial applications and chemical applications when configured with a PTFE lined seat, disc and stem.
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Product Details
Features
- Top bushing absorbs actuator side thrust loads.
- Actuator flange acc. ISO 5211.
- High solid, glossy, silicone free, paint system ensuring excellent corrosion resistance.
- Extended body neck allows pipe insulation.
- Body locating holes ease installation and centering between the flanges.
- Rounded polished disc edge gives full concentric sealing, lower torques, longer seat life and bubble-tight shut-off.
- The seat is field replaceable and fully isolates the body and stem from the flow.
- Primary stem sealing exceeds the pressure rating of the valve and prevents leakage through shaft area to atmosphere.
- A secondary shaft sealing provides back‑up safety.
- No flange gaskets required.
- High Cv value.
- Top and bottom shaft bearings for optimized support and minimum friction in all body materials up to DN 300, except cast iron.
