DQ-Series Knife Gate Valve: Suppliers in South Africa

At KV Controls, our commitment lies in delivering state-of-the-art solutions meticulously tailored to meet your industrial demands. Among our distinguished product portfolio, the DQ-Series Knife Gate Valve emerges as a pinnacle of innovation within control valve technology. Recognised for its exceptional quality, durability and performance, our meticulously engineered DQ-Series Knife Gate Valve sets an industry standard.

Amidst the complex landscape of industrial valves, one solution stands out for its unique design and versatile applications – the DQ-Series Knife Gate Valve. In this blog post, we explore its design, key features, advantages and application range, and highlight its pivotal role across various industries in South Africa.

More About the DQ-Series Knife Gate Valve

DQ-Series knife gate valves from KV Controls are available as manual valves with handwheel or gearbox, or they can be automated with pneumatic cylinders or electric actuators to suit your plant’s control philosophy.

Key Features

• Economical one-piece compact body design

• Powerful shearing force and auto-cleaning function

• Removable seat for easy maintenance and reduced downtime

These features make the DQ-Series an excellent choice where fibre, suspended solids or abrasive media are present in the process.

Typical Applications

The DQ-Series Knife Gate Valve is suitable for control systems in industries such as:

• Chemical and biochemical processing

• Pulp and paper

• Chemical fibre

• Pharmaceutical

• Environmental protection and wastewater-related processes

Whenever you are dealing with fluids containing fibres, suspended particles or slurries, the DQ-Series offers reliable shut-off and control.

Technical Specification

• DN: DN50 ~ DN1200

• PN: PN10 ~ PN16 / ANSI 150LB

• Connection: Wafer

• Temperature Range: -29°C to +100°C

• Sealing: Metal Seat / Soft Seat

• Tightness: MSS-SP81

• Body Material Options:

1. WCB
2. CF8
3. CF8M
4. CF3M

DQ-Series Knife Gate Valves from KV Controls

The DQ-Series knife gate valves represent linear shut-off solutions characterised by their lightweight build and compact construction.

They are available in:

• Manual configuration with handwheel for traditional on-site operation

• Automated configuration using pneumatic cylinder actuators for remote or automated control

DQ-Series knife gate valves are specifically engineered with an arc-shaped gate to effectively cut off fluids containing fibre or suspended particles. This design makes them ideal for applications in industries such as:

• Pulp and paper

• Wastewater treatment

• Mining

• Sugar processing

• Chemical processing

Design and Functional Advantages

1. Service Versatility

• Linear shut-off valve with compact, lightweight construction

• Available as manual or pneumatically actuated for remote operation

• Arc-shaped gate efficiently cuts through fibre and solids, preventing clogging and ensuring reliable shut-off

2. Double Stem Bearing

• Equipped with two stem bearings at the top of the yoke

• Reduces operating torque and makes the valve easy to operate, even in demanding conditions

3. Internal Packing

• Internally located packing gland and packing

• Helps prevent packing leakage and enhances the integrity and lifespan of the valve body

4. Travel Aligning Pack

• Features a travel aligning block with soft material backing and stainless steel screw located at the inlet

• Provides reliable support for the gate and ensures proper alignment during closing

• Reduces the risk of clogging and maintains tightness

5. Replaceable Seats

• Seats are backed by an O-ring for self-compensating wear

• Ensures excellent seat tightness and an extended service life

• Seats are easy and fast to replace, with options including:

  • Metal seated

  • EPDM seated

  • PTFE seated

6. Gate Design

• Precision-ground and hard chrome plated gates provide superior abrasion and corrosion resistance

• Arc-shaped bottom design delivers strong cutting force, particularly suitable for pulp, fibre and slurry media

7. Diversified Flow Port Options

• Customisable port shapes available, such as:

  • V-port

  • Triangle port

  • Hexagon port

• Port configurations can be tailored to specific flow control requirements

For assistance in selecting the optimal port configuration and materials for your process, consult the KV Controls team. Our specialists will help you match the DQ-Series Knife Gate Valve to your exact operating conditions.

Contact KV Controls – DQ-Series Knife Gate Valve Suppliers in South Africa

With these advanced features, the DQ-Series Knife Gate Valve supplied by KV Controls is engineered to deliver exceptional performance, longevity and efficiency in demanding industrial environments across South Africa.

For inquiries or assistance regarding our DQ-Series Knife Gate Valve and other industrial valve solutions, please contact us at:

📧 sales@kvcontrols.co.za

Read More:

The Ultimate Guide to Knife Gate Valves: A Look Inside KV Controls

KNIFE GATE VALVES: SUPPLIERS IN SOUTH AFRICA

In conclusion, the DQ-Series Knife Gate Valve stands as a testament to ingenuity and engineering excellence. At KV Controls, we invite you to experience the transformative power of the DQ-Series Knife Gate Valve – where control meets efficiency in perfect harmony.