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HILOK | Keystone Series HiLok High Performance Butterfly Valves | Fisher

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Details for HILOK

Keystone Series HiLok High Performance Butterfly Valves

The HiLok high performance Butterfly valves offer efficient; bidirectional sealing

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.

Item Number	HILOK
Brand	Fisher
Application	Metals Processing; Fuel Gas; Facilities & Process Utilities; Blowers; Biofuels; Air Circulation
Certifications	SIL capable; PED; CUTR
End Connection	Lugged; Wafer
Material	Duplex; Carbon Steel; 316 Stainless Steel
Media	Air; Air; Inert Gas; Ammonia; Fuel Oil; Hot Water; Liquids; Specialty Gases; Natural Gas; Water; Vacuum; Steam; Oxygen
Pressure Class	PN
Process Connection Type	PN25; PN16
Seat/Seal Type	High performance
Series	Keystone Series HiLok High Performance Butterfly Valves
Shutoff Class	Zero Leakage
Stem	Live loaded; Adjustable packing
Type	Control Valve
Valve Size Standard	DN
Valve Size	NPS 20 / DN 500; NPS 18 / DN 450; NPS 16 / DN 400; NPS 14 / DN 350; NPS 12 / DN 300; NPS 10 / DN 250
Valve Type	Butterfly