Pressure Seal Valves

Unitek Valves brings you a comprehensive range of robust industrial valves. We have established ourselves as the leading Gate Valve Manufacturer India offering unmatched quality, durability and best in the market pricing. The gate valves that we design and manufacture have various industrial applications and can be customized to meet the specific needs of our clients.

As a trusted Industrial Valves Manufacturer, we are focused on designing valves of various kinds that are extremely tough and safe to be used under any conditions. Our Gate Valves are designed as bi-directional allowing the flow in either direction. It is ideal for any industrial application where minimum pressure loss and a free bore is required. Our Gate valves can be used for both fluids and gases of various viscosity, pressure and temperature. We use the highest grade of steel and components to build our valves.

Unitek Valves as the top Gate Valve Manufacturer subjects these valves under rigorous tests to check their quality and safety features. Thus, our clients from various industries not only appreciate the quality of our gate valves but also their performance and durability.


Bolted Bonnet Design from Class 150 to 600, Pressure Seal Deign for Class 900 & Above


Flexible wedge for improved seating ease of operation, especially in high temperature service, wedges are accurately guided through the entire stroke.


Stem is non-rotating part. Stems made from one piece, ACME threaded, and smooth machined with surface finish to maximize packing seal for low fugitive emissions.


Seat faces lapped for smooth finish and superior sealing. Optional renewable threaded seat or welded seats are as per customer specification.


All our gate valve have back seat design, carbon steel valves is fitted with removable back seat. For stainless steel integral machined with bonnet.


Stainless steel + flexible graphite spiral wounded gasket is used for 150 to 600 class, ring joint gasket is also optional for class 600 valves, for class 900 and above pressure seal design is used.


. Alternate trim materials

. Locking arrangement

. Stem Extension

. Bypass, drain and other auxiliary connections

. Chain wheel, Gear, Electrical & Pneumatic actuator operated

. NACE service, Hydrogen service

Bolted Bonnet Gate Valve 15 NB to 900 NB 150# to 600#
Forged Steel Gate Valve 6 NB to 50 NB 800# to 2500#
Pressure Seal Gate Valve 50 NB to 600 NB 900# to 2500#


Bolted Bonnet Gate Valve API 600
Forged Steel Gate Valve API 602
Pressure Seal Gate Valve ASME B16.34 / API 600
End to End Dimensions ASME B16.10
Flanged End Dimensions ASME B16.5, ASME B16.47-A & B
Butt Weld End Dimensions ASME B16.25
Socket Weld End Dimensions ASME B16.11
Valve Inspection & Testing API 598/ BS 6755 Part-I
Visual Inspection MSS SP 55
Non Destructive Test (RT, UT, MT, PT) ASME B16.34
Pressure – Temperature Rating ASME B16.34


The standard, circular bonnet joint is the simplest and most economical configuration for low pressure services.

Pressure Seal Globe Valve

The standard, circular bonnet joint is the simplest and most economical configuration for low pressure services.

Pressure Seal Wedge And Parallel Slide Gate Valve

By following the quality guidelines of industry, we are engaged in providing a wide range of pressure seal gate valve.