Keystone Series HiLok High Performance Butterfly Valves

Features

• 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.
• Fast and simple seat replacement.
• Uninterrupted gasket surface.