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The HiLok high performance butterfly valves offer efficient, bidirectional sealing
A unique valve for chemical and general industrial applications. Grease or silicone free valves available for special applications such as paint or oxygen systems.
Valve Type: Isolation
Sub-Type: Keystone Butterfly Valves
- Cast on ISO top plate.
- Long neck for insulation service.
- External travel stop, outside of the medium area.
- Accessible packing adjustment without operator removal.
- Positive sealing which is mechanically achieved and does not rely on line pressure assistance.
- Bidirectional shut-off performance.
- Available in soft, fire-safe and metal seated.
- Long life durability due to double offset operating principle minimizing seat wear.
- Two piece shaft for maximum flow and minimum headloss.
- Quadruple shaft bearings to ensure stability during high pressure, high cycle applications.