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Lug Type Knife Gate Valve Manufacturer in China - Quality Suppliers & Factory Direct Sales

Size Range: 2-16/DN50-DN400

Pressure: PN1.0/1.6mpa

Body Materials: Carbon Steel / 304 Stainless Steel / 316 Stainless Steel

Seat Materials: 2Cr13 Stainless Steel

Disc Materials: 304 Stainless Steel

Stem Materials: 2Cr13 Stainless Steel

Description

Our high-quality Lug Knife Gate Valve is designed to efficiently control the flow of various media. With a gate that moves perpendicularly to the fluid flow, it effectively cuts through any fibers within the medium. This valve is available in both bi-directional and unidirectional designs, featuring options for resilient or metal seats, and can be configured with either non-rising or rising stems. As a leading manufacturer in China, we take pride in supplying premium valve products from our well-equipped factory, ensuring durability and reliability for industrial applications.

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Product Details

The Lugged Knife Gate Valve is commonly used in industries such as pulp and paper, mining, wastewater treatment, and chemical processing. The Lugged Knife Gate Valve is designed with a sharp-edged gate that cuts through the fluid and seals tightly against the valve seat, preventing any leakage. It is also equipped with a lugged body that allows it to be bolted directly onto pipelines, making installation and maintenance much easier. The Lugged Knife Gate Valve size ranging from 2" to 24", and work pressure is 150PSI.

The Lugged Knife Gate Valve body is made of cast iron or stainless steel depend on the customers' need, which provides excellent corrosion resistance and durability. The gate is made of stainless steel 304 or 316, the seat is made of resilient materials such as EPDM or Nitrile, which provide excellent sealing capabilities.

Key Features

Lug-Style Connection

Precision Gate Blade

Flexible Installation

Customizable

Specification

No.	Parts	Materials
1	Body	Carbon Steel, Stainless Steel, Ductile Iron, Special Allory
2	Bonnet	Ductile Iron
3	Gland Nuts	Ductile Iron+EPDM
4	Wedge	Ductile Iron+EPDM
5	Lifting nuts	Brass
6	Adjustable stem	SS420
7	Clamp ring	Brass
8	O-ring	EPDM/NBR
9	Hand wheel	Ductile Iron
10	Bolt	Carbon steel
11	Ring	EPDM
12	Bolt	SS304

Dimensions

DN (MM)	L	D	D1	D2	D0	N-Th	d	H1
50	48	165	125	99	180	4--16	18	290
65	48	185	145	118	200	4--16	18	310
80	51	200	160	132	220	8--16	18	350
100	51	220	180	156	240	8--16	18	405
125	57	250	210	184	260	8--16	18	450
150	57	285	240	211	280	8--16	23	510
200	70	340	295	266	300	12--20	23	610
250	70	405	355	319	340	12--24	27	765
300	76	460	410	370	380	12--24	27	820
350	76	520	470	429	400	16--24	27	970
400	89	580	525	480	450	16--27	30	1024

Frequently Asked Questions

What industries is the Lugged Knife Gate Valve suitable for?

The Lugged Knife Gate Valve is widely used in industries such as pulp and paper, mining, wastewater treatment, and chemical processing, where reliable flow control and tight shut-off are required.

What sizes and pressure ratings are available?

The Lugged Knife Gate Valve is available in sizes ranging from 2" to 24" (DN50 to DN400), with a working pressure of 150 PSI to suit a wide range of pipeline applications.

What materials are used for the valve body and gate?

The valve body can be manufactured from cast iron, carbon steel, stainless steel, or ductile iron depending on the application requirements. The gate is made of stainless steel 304 or 316 for enhanced corrosion resistance.

What seat materials are available for the Lugged Knife Gate Valve?

The seat is made of resilient elastomeric materials such as EPDM or Nitrile (NBR), providing excellent sealing performance for both liquid and semi-solid media in demanding environments.

How is the Lugged Knife Gate Valve installed on a pipeline?

The lugged body design allows the valve to be bolted directly onto pipelines using threaded lugs, making it easy to install between flanges without requiring nuts on both sides. This also allows for single-sided pipeline disassembly.

Can the Lugged Knife Gate Valve be customized?

Yes, the Lugged Knife Gate Valve is fully customizable. Customers can choose the body material, gate material, seat material, actuation method (handwheel, electric, or pneumatic), and other specifications to meet their specific process requirements.