KNIFE GATE VALVES

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MOQ : 1 Number

KNIFE GATE VALVES Specification

Mounting Type
Flange Mounted

Features
Bi-directional, Full port, Replaceable seat, Rising/Non-rising stem, Tight Shutoff

Inlet/Outlet
Flanged Ends as per ANSI/BS/DIN standards

Theory
Linear Motion Isolation Valve

Control System
Manual Lever/Wheel, Pneumatic, Electric Controls

Noise Level
Low

Working Temperature
-10C to 120C

Caliber
DN50 to DN1200

Material
Cast Iron, Ductile Iron, Stainless Steel, Carbon Steel

Structure
Wafer/Lugged Design

Power
Manual, Pneumatic, Electric, Hydraulic Actuation

Standard
MSS SP-81, BS EN 593

Pressure
Up to 10 bar (150 psi)

Usage
Slurry, Pulp, Wastewater, Mining, Chemical, Food Processing

Application
Industrial, Water Treatment, Mining, Food, Chemical

Seals Type
EPDM, PTFE, NBR

KNIFE GATE VALVES Trade Information

Minimum Order Quantity
1 Number

Supply Ability
10 Per Day

Delivery Time
1 Week

About KNIFE GATE VALVES

HYDROCYCLONE KNIFE GATE VALVE SOLUTIONS ,

KNIFE GATE VALVES ON SAG MILLS , CEMENTED AGGREGATE FILL PLANT VALVE SOLUTION , PRIMARY GRINDING HYDROCYCLONE VALVE SOLUTION , TAILING FILTER PRESS VALVE SOLUTIONS

BI-DIRECTIONAL KNIFE GATE VALVE , UNI-DIRECTIONAL KNIFE GATE VALVE

Reliable Performance Across Applications

With a strong design adhering to MSS SP-81 and BS EN 593, these knife gate valves are tailored for tough industrial conditions. They function effectively in processes with high solids content or viscous materials, ensuring dependable isolation with tight shutoff. Their versatile construction makes them suitable for a wide range of water, mining, chemical, pulp, and food industry uses.

Versatile Materials and End Connection Options

Constructed from cast iron, ductile iron, stainless steel, or carbon steel, these valves accommodate demanding environments. The wafer or lugged structure, with flanged mounting as per ANSI/BS/DIN standards, enables straightforward integration into existing pipeline systems. Their bi-directional flow, replaceable seats, and low noise design further enhance adaptability.

Flexible Operation and Servicing

Operation options include manual lever/wheel, pneumatic, electric, or hydraulic actuators, allowing for both on-site and remote control. Open or enclosed bonnet designs, stainless steel rising or non-rising stems, and easy seat replacement support quick servicing and efficient operation, minimizing downtime and maintenance costs in long-term use.

FAQ's of KNIFE GATE VALVES:

Q: How do knife gate valves per MSS SP-81 handle slurries and suspended solids?

A: Knife gate valves are designed with a robust stainless steel blade (gate) and a full port passage, which helps cut through dense slurries, pulps, or liquids with suspended solids. This design minimizes clogging and ensures reliable shutoff in challenging conditions commonly found in industrial applications.

Q: What types of actuation can be used with these knife gate valves?

A: You can operate these valves using a manual handwheel, gearbox, pneumatic cylinder, or electric actuator. This flexibility allows you to choose the best actuation method depending on your operational preferences, level of automation required, and installation location.

Q: When should resilient seats be selected instead of metal seats?

A: Resilient seats are ideal for handling abrasive or corrosive slurries and pulps at moderate temperatures, as they provide better sealing and resistance to wear. Metal seats are better suited for higher temperature applications or where cutting through tougher solid particles is necessary.

Q: Where are these knife gate valves most commonly used?

A: These valves are widely utilized in industrial settings such as wastewater treatment plants, mining operations, pulp and paper mills, chemical processing, and food processing. They're favored wherever reliable shutoff is needed for media with high solids content.

Q: What testing procedures are performed before supply?

A: Every valve undergoes stringent hydrostatic and seat leakage testing in accordance with MSS SP-81 and other applicable standards. This ensures robust performance, leak-free operation, and a long service life in demanding environments.

Q: How does the bonnet design and stem type influence valve performance?

A: Open bonnet designs allow for fast heat dissipation and easier visual inspection, while enclosed bonnets offer better protection from external contaminants. Rising stems provide a visible indication of valve position, whereas non-rising stems save space in confined installations.

Q: What are the main benefits of using flanged ends and multiple mounting types?

A: Flanged ends as per ANSI, BS, or DIN standards facilitate secure, leak-proof connections with common pipeline systems. Wafer and lugged mounting supports versatile installation methods for both new projects and retrofit operations, simplifying integration and maintenance.

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