Top 6 Pneumatic Knife Gate Valve Manufacturers - SIOvalve


Knife valves are primarily used for on-off and separation functions in systems with a high suspended solids concentration. They’re particularly useful for working with slurry, fluid, corrosive, and gritty media. 

The gates have a modest pressure drop in the free field, are simple to operate, have a low density, and are cost efficient.

The knife gate valve’s horizontal design features are ideal for a pneumatic system, and the arising air powered knife gate valve is portable in a face to face aspect, lightweight than a traditional wedge gate valve, and provides an economical solution for fully automated isolation implementations.

1. SIO

SIO Logo

Source: SIO Valves

Type of Business: Manufacturing

Location (Headquarters): Zhejiang, China

Year Founded: 2009

Certification: API 6D and ISO certificates

SIO is one of the most reliable pneumatic knife gate valve manufacturers. The company offers bespoke valves and valve actuating solutions for each and every sector as a leading valve producer in China. The oil and gas sector, the chemical and petrochemical business, the refining business, the paper industry, the energy industry, and other industries all use their industrial valves and equipment.

Below are a few of the key products that this manufacturer has to offer:

All the products and gate valves offered are as per the ANSI standard for valves.

In China, SIO is the largest manufacturer and supplier of industrial valves. With over a decade of expertise designing high-quality industrial valves, SIO is committed to ensuring the safety, speed, and cost-effectiveness of automation for any business.

2. Carolina Conveying


Source: Carolina Conveying

Type of Business: Engineering solutions

Location (Headquarters): North Carolina, USA

Year Founded: 1999

Products offered:

Carolina Conveying specializes in material handling equipment, powder processing elements, and technical solutions. All these are as per ANSI valve standards.

They make Rotary Airlock Valves, Diverter Valves, Gate Valves, Bulk Bag Handling Systems, and Portable Bulk Containers for usage in a variety of industries, including feeding, chemical, plastics, metals, pet food, medicines, power, and energy.

3. KFB Valves


Source: KFB Valves

Type of Business: Valve Manufacturers

Location (Headquarters): Brazil

Year Founded: 2000

ISO 9001, CRCC Petrobras, Technical Training Certificate issued by: International Paper, Degremont Suez, Engevix, Fibria, Niagara are among their various certificates.

4. Technequip


Source: Technequip

Type of Business: Manufacturing Industrial Equipments 

Location (Headquarters): Denmark

Year Founded: 1882

Products offered:

FLSmidth helps the worldwide mining and cement sectors achieve long-term productivity. They provide industry-leading engineering, equipment, and service solutions that help our customers increase performance, cut costs, and decrease their impact on the environment. 

Their operations are spread around the globe, with over 10,200 individuals working in over 60 countries. FLSmidth expects to earn DKK 16.4 billion in 2020. Our environmental goal of zero emissions in mining is known as MissionZero.

5. Aira Valve Automation


Source: Aira Valve Automation

Type of Business: Manufacturers & Exporters

Location (Headquarters): Bengaluru, India

Year Founded: 1996

Products offered:

The Indian valve is a producer with over 30 years of expertise supplying the worldwide industry with all types of industrial controlled valves, made in the tiny segment, and is ISO 9001 certified by BVQI – LONDON. 

They produce a comprehensive range of Quality Valves for a variety of industries, including Process & Chemicals, Refineries & Petroleum products, Drugs & Pharmaceuticals, Nuclear Power Stations, Paints & Lacquers, Sugar, and others.

6. Global Steel & Engineering


Source: Global Steel & Engineering

Type of Business: Steel solutions

Location (Headquarters): Mumbai, India

Year Founded: 2018

Products offered:

Valves, Stainless Metal Pipes & Tubes, Sheets & Trays, Stainless Steel Coils, Forged steel Valves, Flanges, Bars Wire & Strips, and Ferrous & Non-Ferrous Products are among the products offered by Global Steel & Engineering. 

In a short period of time, Global Steel & Engineering has established itself as one of the most dependable sources for high-quality products.

Uses of A Pneumatic
Knife Gate Valve


Source: Pinterest

Knife gate valves, which often have a sharpened edge to cut past heavy liquids, are developed to function in some of the hardest settings.

Stainless steel gate valves are often found in potable water mains, distribution channels, and potable water pump stations, whereas knife gate valves are typically found in sewage treatment plants, chemical industries, mining, cement factories, and a variety of other industrial applications.


To make your process simpler while searching for an appropriate knife gate valve manufacturer, we’ve provided this blog. Take a look at all the manufacturers, you can contact the one that best suits your need.

List of The Best Pneumatic Knife Gate Valve Manufacturers

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