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Home > Gate Valves > Low Pressure DN50 DN80 DN125 Full Port Heavy Duty Knife Gate Valve
Low Pressure DN50 DN80 DN125 Full Port Heavy Duty Knife Gate Valve
Low Pressure DN50 DN80 DN125 Full Port Heavy Duty Knife Gate Valve
Low Pressure DN50 DN80 DN125 Full Port Heavy Duty Knife Gate Valve
Low Pressure DN50 DN80 DN125 Full Port Heavy Duty Knife Gate Valve
Low Pressure DN50 DN80 DN125 Full Port Heavy Duty Knife Gate Valve
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Low Pressure DN50 DN80 DN125 Full Port Heavy Duty Knife Gate Valve
Low Pressure DN50 DN80 DN125 Full Port Heavy Duty Knife Gate Valve
Low Pressure DN50 DN80 DN125 Full Port Heavy Duty Knife Gate Valve
Low Pressure DN50 DN80 DN125 Full Port Heavy Duty Knife Gate Valve
Low Pressure DN50 DN80 DN125 Full Port Heavy Duty Knife Gate Valve

Low Pressure DN50 DN80 DN125 Full Port Heavy Duty Knife Gate Valve

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Product Description

Basic Information
Model NO.
DN100
Type
Direct-acting
Material
Carbon Steel
Connection
Clamp / Wafer
Pressure
Low Pressure
Actuator
Pneumatic
Seal Surface
Parallel Gate Valve
Standard
DIN / ANSI
Capacity
5000 pieces/Month
Product Description

The knife gate valve is a linear-motion on/off shut-off valve characterized by its aesthetic appearance, lightweight design, and compact structure. It can be operated manually or equipped with a pneumatic actuator and proximity switch for remote control.

Knife Gate Valve Video Cover

Key Configurations

✓ Nominal Diameter: DN80 ~ DN600
✓ Nominal Pressure: 1.0MPa, 1.6MPa, ANSI 150LB
✓ Temperature Ranges: -29℃ ~ 230℃
✓ Air Supply Pressure: 0.5 ~ 0.7MPa
Material Specifications
Component Material Options
Valve BodyWCB / CF8 / CF8M
Disc410+Cr / 304+Cr / 316+Cr
Seat304+Cr/STL / 316+Cr/STL
Stem45# Carbon Steel+Cr
PackingPTFE / Graphite
Product Display
Knife Gate Valve View 1
Knife Gate Valve View 2
Knife Gate Valve View 3
Outline Dimensions
DN (mm) A (mm) B (mm) C (mm) L (max, mm) H (mm)
20070350130570570
30076470160710710
40089620210910910
50011473022011101110
60013486025012801280
Detailed Dimensions Diagram
Design Features & Applications

Design Highlights

Blade-Arc Gate: Delivers superior cutting performance for pulp and fiber-rich media. Hard chrome plating ensures wear resistance.

Movable Seal Seat: Features a spring-loaded O-ring for automatic wear compensation.

Typical Applications

  • Paper manufacturing
  • Wastewater treatment
  • Mining & Sugar production
  • Synthetic fiber industries
Application View
Factory Testing
After-Sales Support

Standard Warranty: 12 months from the date of delivery.

Technical Assistance: 24/7 remote technical support and rapid spare parts supply.

Certified Excellence: Production follows ISO 9001, ISO 14001, and ISO 45001 standards with full-cycle quality control.

Frequently Asked Questions
What types of valves do you manufacture?
We specialize in gate valves, globe valves, ball valves, butterfly valves, and check valves, available in stainless steel, carbon steel, and special alloys.
Are your pneumatic actuators compatible with other valve brands?
Yes, our actuators are designed to international standards and can be adapted to most major valve brands through customizable mounting kits.
What certifications do your products hold?
Our products are CE and ISO 9001 certified. We also offer ATEX and SIL 3 certified solutions for hazardous environments.
What is the typical production lead time?
Standard products usually take 15-30 days. Custom solutions or large project orders may require 30-45 days.
Do you offer smart valve solutions with remote monitoring?
Yes, we provide intelligent actuators with Modbus, Profibus, or wireless connectivity for advanced IoT integration.
How are international shipments handled?
We use standard export plywood crates for all shipments and handle sea or air freight documentation to ensure safe delivery.

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