Bidirectional Tight Shutoff Sealed Slurry Knife Gate Valve for Abrasive Media

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Product Description

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Basic Information
Model NO.
LGC
Type
Dual-through
Material
Carbon Steel
Connection Form
Thread
Pressure
Low Pressure
Actuator
Bevel Gear/Electric/Pneumatic/Hydraulic
Seal Surface
Wedge Gate Valve
Standard
ANSI
Product Name
Self-Seal Flanged Slurry Knife Gate Valve
Size
DN100-DN1000
Working Pressure
1.0MPa/1.6MPa, 150lb
Sealing Material
Viton/EPDM/HTV/PU/NBR
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Product Description
Bidirectional Tight Shutoff Sealed Slurry Knife Gate Valve
Gate Valve Detail
High-Performance Gate Valve Technology

The gate valve is a shutoff valve that controls the flow of pipeline media through the vertical movement of the gate. Its core component is a wedge-shaped or parallel gate, which is driven by the valve stem to move up and down to achieve the full open or full closed state of the valve.

The most prominent feature of the gate valve is its full-diameter design and reliable shutoff performance. When the valve is fully opened, the gate is completely retracted into the upper part of the valve body to form a flow channel consistent with the diameter of the pipeline, minimizing fluid resistance. Its sealing surface adopts a metal-to-metal or soft sealing structure, achieving strict isolation in the closed state.

Gate valves are widely used in various industrial pipeline systems requiring reliable shut-off. They serve as main shutoff valves in oil and gas pipelines, chemical plants for process media isolation, power station steam circuits, and urban water supply networks.

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Technical Parameters
Technical Specifications
Product NameSelf-Seal Flanged Slurry Knife Gate Valve
Available Drive TypesBevel Gear / Electric / Pneumatic / Hydraulic / Electro-Hydraulic
Valve Body MaterialWCB / 304 / 310 / 316 / 310S / GG40
Gate Material201 / 304 / 310 / 316 / 310S
Stem Material2Cr133 / 304 / 316L / 310S
Sealing MaterialVITON / EPDM / HTV / PU / NBR
Size RangeDN100 - DN1000
Working Pressure1.0MPa / 1.6MPa / 150LB
OEM & ODM CustomAccepted
Payment TermsT/T, L/C, Western Union
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Detailed Features
Full-bore design
Full-Bore Low-Resistance Design

The gate valve adopts a flow channel structure with the same diameter as the pipeline. When opened, the valve plate is completely separated from the medium flow path, forming a nearly unobstructed straight-through flow channel. This design significantly reduces pressure loss and is particularly suitable for large-flow conveying systems.

Bidirectional Sealing
Bidirectional Sealing Capability

Effective sealing can be achieved on both sides of the gate valve plate without being restricted by the flow direction of the medium. The symmetrical sealing structure design ensures consistent sealing performance when installed in either direction, providing flexible layout options.

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Available Drive Solutions
Drive Solution Overview Drive System Chart
Frequently Asked Questions
What is the advantage of a full-bore gate valve design?
The full-bore design ensures the flow channel has the same diameter as the pipeline. This minimizes pressure drop and fluid resistance, maximizing energy efficiency for large-flow systems.
What materials are available for abrasive media?
We offer various body materials like WCB and Stainless Steel (304, 316, 310S) and sealing options like Viton, EPDM, and NBR to withstand abrasive slurry and industrial media.
Does this valve support bidirectional flow?
Yes, our slurry knife gate valves are designed with a symmetrical sealing structure, allowing for effective bidirectional shutoff regardless of the installation direction.
What drive options can I choose for automation?
We support a wide range of actuators including Bevel Gear, Electric, Pneumatic, Hydraulic, and Electro-Hydraulic solutions to suit your control requirements.
Are customization options available for specific projects?
Absolutely. We provide full OEM & ODM services, including customization for logos, specific dimensions, materials, and appearance colors based on your technical needs.
What is the typical production capacity and lead time?
Our annual production capacity reaches up to 500,000 pieces. Specific lead times depend on the order volume and customization requirements; please contact our team for a detailed quotation.

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