Gate Valves

SN have a wide range of GATE VALVES in variety of types, sizes, pressure ratings and materials, with wafer type, screwed, welded or flanged connections. SN Manufacture Gate valves in every size ranging from the smallest to the largest size Gate Valve name is derived from the operation of the Gate valve.

The Valve Acts like a Gate to stop or allow the flow through the valve. The valve can be opened by lifting the wedge out of the path of the flow Gate valves are actually designed for closing & opening full , so they are not suitable for the Throttling purpose. When the Gate valve is fully open, there is no Obstruction in the Flow path, resulting in very low pressure drop, & they are often suitable for the Hot Tapping & Pigging.

Gate Valves are actually designed for use with the flow of liquids and Gases but there are variation to cope with the specific requirements.

N-TROK” Brand Knife Edge Gate Valve is the specific design. This design ensures minimum contact between the parts of the valve, Reduces the Wear & Tear. The high performance Knife Gate Valves feature. Non Sliding Motion, Avoid Sliding Contact between Body & Gate allow flushing of media form the valve interior. A wide variety of hardened trim options are available on Gate, Seat and Wear Ring. Batten edge of the Gate (Knife-Edge) allows the tight shut off even when solid particles settles at the bottom of the Body.

Knife-Edge Gate Valves in Mining, Power, Steel, Chemical, Paper and withstand high Temperature & Abrasive Slurries in Industries Ideal for high-density Slurry Lines.

Knife Gate Valve are Unidirectional Valves, Excellent Hopper Isolation Valves with their ability to cut through flowing media and closed by dislodging any material in the seating area.

SN have a wide range of GATE VALVES in variety of types, sizes, pressure ratings and materials, with wafer type, screwed, welded or flanged connections. SN Manufacturer Gate valves in every size ranging from the smallest to the largest size Gate Valve name is derived from the operation of the Gate valve.

The Valve Acts like a Gate to stop or allow the flow through the valve. The valve can be opened by lifting the wedge out of the path of the flow Gate valves are actually designed for closing & opening full , so they are not suitable for the Throttling purpose. When the Gate valve is fully open, there is no Obstruction in the Flow path, resulting in very low pressure drop, & they are often suitable for the Hot Tapping & Pigging.

Gate Valves are actually designed for use with the flow of liquids and Gases but there are variation to cope with the specific requirements.

An Electric Actuator Motorized Gate Valve is an automated isolation valve designed to control the on/off flow of liquids, gases, and steam in industrial pipeline systems. It operates using an electric actuator that drives the gate up and down through a linear motion, providing remote operation, precise flow control, and reliable sealing. When fully opened, the valve offers a straight-through unobstructed path, resulting in minimal pressure loss and high flow efficiency.

Engineered for dependable performance in demanding environments, motorized gate valves are available in various body materials such as Cast Iron, Ductile Iron, Carbon Steel, and Stainless Steel, suitable for applications involving high pressure and temperature. They are widely used where automated and continuous system regulation is required.

• Electric actuator for remote and automated operation

• Full-port design with low pressure drop

• Tight shutoff for reliable isolation

• Manual override and position indicator available

• Compatible with on/off or modulating control

• Available in rising and non-rising stem designs

• Flanged, butt-weld, and socket-weld end connections

• Suitable for horizontal or vertical installation

• Water treatment and distribution systems

• HVAC & building automation

• Oil & gas pipelines

• Chemical & petrochemical plants

• Power generation & boiler systems

• Process industries & fire-fighting networks

ASTM A105 Valves are made up of a special chemical composition which can be used to make valves of ASME B16.34 and B16.10 face to face dimensions. The material has carbon, manganese, phosphorus, sulfur, silicon, copper, nickel, chromium, molybdenum and vanadium in it. The ASTM A105 Gate Valves are forged material made valves. They have excellent strength, wear and tear and higher mechanical properties. There are different types of valves in this carbon steel material based on the structure and functions.

SN have a wide range of GATE VALVES in variety of types, sizes, pressure ratings and materials, with wafer type, screwed, welded or flanged connections. SN Manufacture Gate valves in every size ranging from the smallest to the largest size Gate Valve name is derived from the operation of the Gate valve.

The Valve Acts like a Gate to stop or allow the flow through the valve. The valve can be opened by lifting the wedge out of the path of the flow Gate valves are actually designed for closing & opening full , so they are not suitable for the Throttling purpose. When the Gate valve is fully open, there is no Obstruction in the Flow path, resulting in very low pressure drop, & they are often suitable for the Hot Tapping & Pigging.

Gate Valves are actually designed for use with the flow of liquids and Gases but there are variation to cope with the specific requirements.

An Inverted Bucket Steam Trap is a mechanical device used to discharge condensate and non-condensable gases from steam systems while preventing steam loss. It operates on the principle of density difference between steam and water.

Inside the trap, there's an inverted bucket connected to a lever and valve. When condensate fills the trap, the bucket sinks, opening the valve to discharge the water. As steam enters, it fills the bucket, making it buoyant and causing it to rise, which closes the valve and stops steam from escaping. A small vent hole at the top of the bucket allows air to escape gradually.

It's known for its rugged design, resistance to dirt and water hammer, and suitability for high-pressure applications. Want to see how it compares to other types of steam traps? I can break that down too

A Motorized Knife Gate Valve is a heavy-duty, industrial isolation valve designed to cut through and control the flow of thick, viscous, abrasive, or slurry-type media. The valve features a sharp stainless-steel gate that moves linearly to open or close the flow path, ensuring excellent shutoff even in challenging process conditions. The valve is operated by an electric actuator, providing automated control for remote operation, precise positioning, and reliable performance in continuous process systems.

Designed with a full round port and minimal pressure drop, motorized knife gate valves are ideal for handling pulp & paper stock, wastewater, mining slurry, ash handling, powder media, chemicals, and food processing materials. They are available in unidirectional and bidirectional designs, with body materials such as Cast Iron, Ductile Iron, Carbon Steel, and Stainless Steel, suitable for a wide range of industrial applications.

• Heavy-duty motorized actuator for automated operation

• Sharp knife-edge gate for cutting through slurry, pulp, and solids

• Full-port design with low-pressure drop

• Bubble-tight sealing with resilient or metal seats

• Corrosion-resistant stainless steel gate

• Manual override option available

• Position indicator and limit switches for precise control

• Suitable for vertical and horizontal installation

• Pulp & Paper industry

• Wastewater & sewage treatment plants

• Mining & mineral processing

• Cement & ash handling systems

• Chemical & petrochemical industries

• Food processing and bulk powder handling

SN ENGINEERS is a prominent Knife Edge Gate Valve Manufacturer, Supplier, and Exporter in India. We have a highly experienced team of engineers, who always work to build easy to use, safe, and quickly operated valves.

We generally confirm to MSS SP 81 to follow manufacturing standards, we use IS 210 Gr. FG200 S.Steel 304 material for Valve Body, AISI 304 SS material for Trims, and CF8 / CF8M / CF3M material for Bonnet.

This valve has Metal to Metal / NBR seals, the available size range is 2” to 24” and Max. C.W.P. is 100 PSIG (7 Kg/cm2). It comes up with Lug Type Suitable For BS 10 Table “D” / ANSI B 16.1 (125#) End connections with Class IV to V Leakage Class.

For pneumatic cylinders we use Aluminium / S.Steel to make Barrel, Aluminium Pressure Die Cast / C.I. to make End cover, Stainless Steel for Piston Rod, and for Seals, we use Nitrile and also Viton on Request.

SN ENGINEERS Knife gate valves are linear shut off valves that are light weight with compact construction. Valves are available as manual with handwheel, or can be automated with pneumatic cylinder actuator for remote operation. The arc shape of the gate of our knife gate valve is designed to be particularly suitable for cutting off fluid containing fiber or suspended particles, so the knife gate valves are ideal for many applications in the process industries of Pulp & Paper, Wastewater Treatment, Mining, Sugar Mills, and Chemical Processing.

SN have a wide range of GATE VALVES in variety of types, sizes, pressure ratings and materials, with wafer type, screwed, welded or flanged connections. SN Manufacture Gate valves in every size ranging from the smallest to the largest size Gate Valve name is derived from the operation of the Gate valve.

The Valve Acts like a Gate to stop or allow the flow through the valve. The valve can be opened by lifting the wedge out of the path of the flow Gate valves are actually designed for closing & opening full , so they are not suitable for the Throttling purpose. When the Gate valve is fully open, there is no Obstruction in the Flow path, resulting in very low pressure drop, & they are often suitable for the Hot Tapping & Pigging.

Gate Valves are actually designed for use with the flow of liquids and Gases but there are variation to cope with the specific requirements.