Bellow Seal Gate valve
 Forxar Bellow Seal Gate Valve provides zero-leakage sealing for toxic or high-temperature fluids ideal for safe, reliable flow isolation.
| Specifications Size Range :- 1/2" to 20" (15 NB to 500 NB) Pressure Ratings:- #150 to #2500 Design Standard :- API 602, API 600. |
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Bellow Seal Gate Valve – Overview
The Bellow Seal Gate Valve from Forxar is built for reliable, leak-free shut-off in fluid control systems handling hazardous, toxic, or high-temperature media. As a trusted bellow seal gate valve manufacturer in India, Forxar adds a welded metallic bellows barrier around the stem of a standard gate valve sealing it completely from the atmosphere and eliminating the risk of fugitive emissions that can occur with conventional packed-stem designs.
Gate valves are crucial in fluid control systems due to their durability and dependability, and are vital across industries wherever precise on/off fluid management is needed. These valves feature a gate, or wedge, that moves up and down to either permit or fully block flow through a pipeline. They’re built for fully-open or fully-closed service, not for throttling or adjusting flow which makes their internal design simple, robust, and long-lasting.
Design & Construction
Forxar’s bellow seal gate valve is available in solid wedge and flexible wedge configurations, each suited to different application needs. The gate lifts to allow fluid passage or lowers to stop it completely. A straightforward, dependable mechanism that makes gate valves ideal for applications requiring fast, secure shut-off.
- Sizes: 1/4″ NB to 24″ NB
- Pressure Class: ANSI Class 150 to 2500 (select sizes)
- End Connections: Screwed, Flanged, and Butt Weld ends
- Bonnet Design: Bolted or Welded bonnet
- Wedge Type: Solid wedge or Flexible wedge
- Bellows Material: AISI 321, 316Ti, or Inconel 625, multi-ply construction
- Standards: Designed to API 602 and MSS SP-117 bellows cyclic life requirements
Key Features
- Welded bellows eliminates stem leakage entirely, zero fugitive emissions
- Non-rotating stem design prevents torsion of the bellows, extending service life
- Robust wedge design for secure, bubble-tight shutoff
- Smooth operation even under demanding pressure and temperature conditions
- Built for maintenance-free, long-term reliability
Applications of Bellow Seal Gate Valve
Our bellow seal gate valve is used across:
- Oil & Gas – a staple across extraction, processing, and distribution for reliable on/off flow control
- Water Treatment Plants – precise management of water flow and pressure in distribution systems
- Power Plants – regulating steam, cooling water, and other fluids critical to electricity generation
- Petrochemical Plants – safely isolating and shutting off hazardous fluids and gases
- Refineries – high-temperature, high-pressure isolation where leakage is not an option
- Oil Exploration – dependable shut-off in demanding upstream environments
Why Choose Forxar’s Bellow Seal Gate Valve?
As an established bellow seal gate valve manufacturer, Forxar engineers every valve for zero-leakage, emission-free performance, making them ideal for handling toxic, hazardous, and high-temperature fluids. The welded bellows design eliminates stem leakage at the source, ensuring long-term sealing integrity and compliance with environmental regulations on fugitive emissions.
Manufactured with high-grade materials and tested for cyclic bellows life before dispatch, our bellow seal gate valve range offers robust construction, precise shut-off, and smooth operation under demanding industrial conditions. Trusted across chemical processing, power generation, and oil & gas industries, Forxar delivers gate valves built on safety, durability, and maintenance-free reliability, backed by export-ready manufacturing for clients across India and international markets.
Every bellow seal gate valve is subjected to hydrostatic and helium leak testing before dispatch, with bellows cyclic life independently verified against API 602 and MSS SP-117 requirements to confirm long-term sealing performance under real operating conditions. Material certification and wedge sealing accuracy are checked for every batch, giving plant engineers documented assurance before installation. This same zero-leakage engineering approach runs across Forxar’s complete range. explore our Bellow Seal Globe Valve, Bellow Seal Eurochloro Valve, and Bellow Seal Control Valve for other critical-service applications requiring absolute sealing integrity.
Get in touch with our team for technical documentation, custom specifications, or a quote on our bellow seal gate valve range.
Details
| Size Range | 1/2" to 20" (15 NB to 500 NB) |
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| Class: | #150 to #2500 |
| Design | API 602, API 600. |
