Gat No. 129, Near SM Mart, Ganesh Nagar, Talawade, Pune - 411062, Maharashtra, India
Mon - Sat: 10:00 AM - 07:30 PM

Gate Valve

We are the best Gate Valve manufacturer in Pune. At Ultraweld coat we are offering top quality gate valves which will find fine results in your industrial operations. Gate valves are versatile and reliable devices used primarily for on/off control in pipelines. Their ability to provide a full flow path with minimal pressure drop makes them suitable for a range of applications. While they are not ideal for throttling or flow regulation and may require more time to operate, their durability and effectiveness in fully open or closed positions make them a valuable component in many industrial systems. We are renowned as the best Industrial gate valve manufacturer in Pune. Our valves are designed to make industrial operation smooth and fine.

Applications

Gate valves are widely utilized in standard and high-performance piping networks:

  • Water Supply Systems: Used in water treatment plants and municipal water systems for isolating sections of the pipeline.
  • Oil and Gas: Employed in upstream and downstream operations for isolating equipment and pipelines.
  • Chemical Processing: Utilized to control the flow of chemicals, acids, and process fluids.
  • Power Plants: Used in various high-pressure steam lines and cooling water loops.

Advantages Of Gate Valve

Full Flow

The full-bore design ensures unimpeded fluid flow with minimal turbulence and pressure loss.

Durability

Constructed with premium alloys and robust metal-to-metal seating for long operational life under extreme conditions.

Fluid Control

Specifically designed to provide reliable on/off control and bubble-tight isolation in high pressure pipelines.

Key Features

Minimal Pressure Drop

The full-bore design helps in maintaining a low pressure drop across the valve, which is particularly important in applications where efficient flow is critical.

Gate (or Disc) Movement

As a leading Industrial gate valve manufacturer in Pune, our valve operates by raising or lowering a gate (or disc) within the valve body.

Metal-to-Metal Sealing

Most gate valves use metal-to-metal sealing, which provides a robust seal, especially in high-pressure and high-temperature applications.

Core Properties

Gate Mechanism

This gate slides up and down between two seats to open or close the flow path.

Gate Materials

As a leading Industrial gate valve suppliers in Pune, typically constructed from brass, bronze, stainless steel, or alloys. The material must be resistant to the fluid's corrosive effects and wear.

Gate valve designs

Gate valves are built in several designs, each suited to a different duty:

DesignHow it sealsTypical use
Wedge gateA tapered gate is driven between two inclined seatsGeneral isolation of liquids, gas and steam
Parallel slide or slab gateA flat gate slides between parallel seatsPipelines; a through-conduit bore lets pigs pass
Knife gateA thin, sharp-edged gate cuts through the mediumSlurries and fluids carrying solids

The stem can be rising, where its position shows at a glance whether the valve is open, or non-rising, which needs less headroom.

Why gate valves should not throttle

A gate valve is meant to be fully open or fully closed. Left partly open, the gate sits in the flow, vibrates, and the high-velocity stream erodes the lower edge of the gate and the seats. For flow regulation, a control valve or a suitable butterfly valve is the right tool.

Protecting the gate and seats

The gate faces and seat rings take all the wear. They are hardfaced with Stellite or coated with tungsten carbide, then ground and lapped flat so the metal-to-metal seal holds. For corrosive service the wetted surfaces can also receive weld overlay cladding.

Gate valve or ball valve?

  • Gate valve: straight, full-bore flow path and simple construction in large sizes; slower, multi-turn operation.
  • Ball valve: quarter-turn operation and easy automation; the better choice where the valve cycles often.

What to include in an enquiry

  • Design (wedge, slab or knife), size and pressure class
  • Fluid, temperature and pressure
  • Body and trim materials, and any hardfacing required
  • End connections and face-to-face standard
  • Rising or non-rising stem, and actuation

Frequently asked questions

Can a gate valve be used for throttling?

It is not recommended. A gate valve is designed to be fully open or fully closed. Left partly open, the gate vibrates in the flow and the fast-moving fluid erodes the gate edge and the seats, so the valve soon stops sealing properly.

What is a through-conduit gate valve?

A slab gate valve whose gate has a bore the same size as the pipe, so the open valve presents a smooth, uninterrupted passage that pipeline pigs can pass through.

Rising or non-rising stem?

A rising stem moves up as the valve opens, so its position shows at a glance whether the valve is open, and the thread stays outside the fluid. A non-rising stem turns without moving up, which suits installations with limited space above the valve.

Last updated:

Get Free Quote

Have a project in mind?