Screw Jack Type – GvK Limited

Our Products

Pipeline Ancillaries

Auxiliary devices—including filters, steam traps, and flanges— designed to support and improve the performance and safety of piping systems.

PipeLine Ancillaries Auto-Recirculation Valve Ramseal(Tank Bottom) Goggle Valve Plunger Valve Ball Valve Three-Way Ball Valve

Screw Jack Type

SJ Series

Description

Pressurize the seat with a screw jack connected to the miter gear/bevel gear. It is applicable to larger sizes including ball joint type. The pressurization of the sheet is done by gears or motors, and the opening and closing of the blinds is done manually or automatically by motors, cylinders, ETC. the automatic type can be installed in areas that are inaccessible to personnel or toxic gas lines.

Standard Specification

Pressure Rating	ANSI/ASME CL150 ~ CL300 / RF KS/JIS 5K ~ 20K / RF EN PN6 ~ PN20 / RF
Allowable Temperature Range	-20 DEG.C ~ 250 DEG.C (Depending on the Sealing Material / Option for High-temp)
Size Range	ND 16”(400A) ~ ND 80”(2000A)
Materials	Body : Carbon Steel, Stainless Steel, etc. Blind : Stainless Steel, etc. Seat, Gasket : NBR, EPDM, Viton, Graphite, etc.
Operator	Clamping/Un-Clamping : Manual Worm Gear, Motor, Mitter Gear Open/Close : Manual, Motor
Applicable Fluid	GAS (COG, BFG, LDG, FOG), Dust, STEAM, Air, O2, H2, N2, Oil, Tail etc.

Our Products

Pipeline Ancillaries

KSM – 10 Series

KSM – 20 Series

KSM – 30 Series

KSM – 40 Series

KSM-60 Series

KSM-70 Series

KSM-81 Series

KSM-82 Series

GRC/RM/RX-series

Flush RAM Bottom Valve

Ball Slide Type

Screw Jack Type

Hydraulic Slide Type

Rack & Pinion Type

PGR Series

KSM-51 Series

KSM-52 Series

KSM-53 Series

KSM-54 Series

KSM-55 Series

Screw Jack Type

Description

Standard Specification

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