ALLSEN Valve

Precision-EngineeredValvesforCriticalApplications

ALLSEN Valve is an industrial valve manufacturing company that delivers precision-engineered flow control solutions for engineers, procurement professionals, and project managers across oil & gas, petrochemical, power generation, and process industries worldwide.

Engineered for the Most Demanding Environments

NPS 56"
Max NPS Size Range

Ball valves from NPS 2 to NPS 56 for pipeline and process applications

Class 2500
ASME Pressure Class

Pressure ratings from Class 150 through Class 2500 for high-pressure service

600°C
Max Temperature °C

Triple offset butterfly valves rated for extreme temperatures up to 600°C

8+
Industries Served

Serving oil & gas, petrochemical, power, water, mining, pulp & paper, and more

Comprehensive Valve Solutions

A full portfolio of flow control products engineered to API, ASME, BS, and EN standards — from compact process valves to large-bore pipeline solutions. Select a category to explore detailed specifications.

Trunnion Mounted Ball Valves
Pipeline and ESD service. Size range: NPS 2–56 (DN 50–1400). Pressure ratings: ASME Class 150–2500. Features: trunnion-supported ball for reduced operating torque, double block & bleed capability, anti-blowout stem design, suitable for pipeline transmission, gathering, terminals, and refinery isolation.
Fully Welded Ball Valves
Buried service, district energy, and gas distribution. Size range: NPS 2–42. Pressure ratings: ASME Class 150–600. Features: zero body-flange leak paths, fully welded construction eliminates potential emission points, FBE/3LPE/3LPP coating options, designed for underground and direct-burial installations.
New item
Description

Trusted Across Critical Industries Worldwide

ALLSEN Valve supplies precision flow control solutions to the most demanding sectors, with dedicated engineering support for project-specific configurations across APAC, Europe, and the United States.

Oil & Gas

Transmission, gathering, terminals, and refineries

Petrochemical & Chemical

Process isolation and critical flow control

Power Generation

Steam systems and high-temperature service

Water & Wastewater

Treatment plants and distribution networks

Mining & Slurry

Heavy-duty valves for abrasive media

Pulp & Paper

Knife gate and process valves for fiber handling

District Energy & HVAC

Fully welded valves for buried installations

Marine & Offshore

Corrosion-resistant solutions for harsh environments

Certified to the Highest Industry Standards

Every ALLSEN valve is manufactured and tested in compliance with internationally recognized standards, ensuring reliability and safety in the most critical applications.

API 6D, API 598, API 600, API 594, API 623
Full compliance with American Petroleum Institute valve design, testing, and manufacturing standards.
ASME, BS 1873, EN Standards
Designed and manufactured to ASME pressure vessel codes, British Standards, and European Norms.
NACE MR0175 / ISO 15156
Material compliance for sour service applications in hydrogen sulfide environments.
Fire-Safe Testing Packages
Certified fire-safe designs for safety-critical installations in oil & gas and petrochemical facilities.
Fugitive Emission Certifications
Low-emission packing and sealing systems tested to the latest environmental compliance standards.

Ready to Specify Your Next Valve Solution?

Our application engineers are ready to assist with valve selection, sizing calculations, and material compatibility guidance for your project. Submit your requirements and receive a detailed quotation tailored to your specifications.

ALLSEN Valve engineering team reviewing valve specifications