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Keystone HiLok High Performance Butterfly Valve

The Keystone HiLok is a high performance butterfly valve that delivers efficient, bi-directional sealing in chemical and general industrial applications.

Details

Features

1.Cast on ISO top plate.

2.Long neck for insulation service.

3.External travel stop, outside of the medium area.

4.Accessible packing adjustment without operator removal.

5.Positive sealing which is mechanically achieved and does not rely on line pressure assistance.

6.Bidirectional shut-off performance.

7.Available in soft, fire-safe and metal seated.

8.Long life durability due to double offset operating principle  seat wear.

9.Two piece shaft for maximum flow and minimum headloss.

10.Quadruple shaft bearings to ensure stability during high pressure, high cycle applications.

11.Fast and simple seat replacement.

12.Uninterrupted gasket surface.



Specifications

Certifications

SIL capable, PED, CUTR

End Connection

Lugged, Wafer

Application

Metals Processing, Fuel Gas, Facilities & Process Utilities, Blowers, Biofuels, Air Circulation

Material

Duplex, Carbon Steel, 316 Stainless Steel

Operating Temperature

Up to 250 F (120 C)

Pressure Class

PN

Process Connection Type

PN16, PN25

Seat/Seal Type

High performance

Shutoff Class

Zero Leakage

Valve Size

NPS 10 / DN 250, NPS 12 / DN 300, NPS 14 / DN 350, NPS 16 / DN 400, NPS 18 / DN 450, NPS 20 / DN 500

Valve Size Standard

DN

Valve Type

Butterfly

Media

Air, Inert Gas, Ammonia, Fuel Oil, Hot Water, Liquids, Specialty Gases, Natural Gas, Water, Vacuum, Steam, Oxygen

Stem

Live loaded, Adjustable packing




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Pictures show



Application area

能源

化工

矿业