Full Welded Trunnion Ball Valve

Introduction of Full Welded Trunnion Ball Valve

A fully-welded trunnion valve is a type of ball valve that is used to control the flow of gas or liquid through a passage. It is distinct from other ball valves because its ball is mounted and welded onto a trunnion at the base and supported by the stem at the top. All other components are also connected by welded joints.

We are ISO 15848 certified trunnion ball valve manufacturers as our all-welded ball valves pass the fugitive emissions test. Each unit has an adjustable gland packing box with multiple stem sealing and thus provides control with zero leakage. We also adhere to high-level API 6D and API 598 pressure test requirements as well as API 607/6FA fire safety standards.

Our fully-welded ball valves are available in sizes ranging from 2″ to 60″ with a full bore or reduced bore ball options. Additionally, we offer different types of actuators to match various valve control methods. Our goal is to deliver a valve solution that will meet all our clients’  requirements.

Fully-welded Ball Valve Industrial Applications

Petrochemical industry – a welded ball valve can be used to control the flow of oil products in oil refinery feedstock lines to avoid contamination of separate lines of products.

Chemical manufacturing – due to their tight seal features, trunnion ball valves are ideal for safely managing corrosive chemicals after production.

Emergency shut-offs – welded ball valves are quick to maneuver and provide a full-proof seal against the flow of media making them suitable for emergency system shut-off applications.

Power generation – to control the amount of power generated, the fuel has to be controlled as well. Trunnion ball valves control gas and liquid fuel flow very accurately.

Specifications

Valve Size 2“–60”, DN50–DN1200
Pressure Class 150LB–2500LB , PN16–DN420, JIS10-20K
Materials A105, LF2, F316, F11, F304, F316, F51 , F55;
Design and Manufacturing Standards API 6D, API 608, ASME B16.34, ISO 17292, BS5351;
Face to Face Standards ASME B16.10, BS 558, BS12982, ISO 5752;
Flange Dimension Standards ASME B 16.5, ASME B16.47, ASME B16.25, ASME B16.11, BS 12627;
Pressure Test Standards API598 , API 6D , BS12569;
Fire Safety Test Standards API 6FA API 607
Quality/Product Certifications ISO9001, ISO14001, ISO18001;
Fugitive Emissions ISO 15848-1, API 622;
NACE NACE MR 0175
Valve operator options Handwhel, Worm Gear, Electric actuator, Pneumatic actuator, Hydraulic Actuator;
Shutoff Class API 598 (Zero Leakage), API 6D;
Bore Full Bore, Reduced Bore
Process Connection Types SW, NPT, BW , RF, RTJ;

LUCKY6S help you choose the right valves:

We have valve specialists ready to assist you. Tell us what you require now.

1. Tell us what you need

Talk to our valve experts about your application, which valves and controls you need, and any repair or maintenance concerns.

2. Choose the right solution

We’ll do all the analysis, discuss the options with you, and make a recommendation—the valves we’d choose in your shoes.

3. Get the job done

Get the right valves for the job, fitted out, tested, and ready to install. We’ve got your back with ongoing repairs and maintenance.

LUCKY6S is Chinese leading manufacturer and supplier of industrial valves. which has over ten years of experience in manufacturing high-quality industrial valves, focuses on delivering safety, efficiency, and cost-effectiveness to every industry that requires automation. We are committed to supplying premium industrial valves and equipment to distributors, importers, and project managers worldwide. 

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LUCKY6S is Chinese leading manufacturer and supplier of industrial valves. which has over ten years of experience in manufacturing high-quality industrial valves, focuses on delivering safety, efficiency, and cost-effectiveness to every industry that requires automation. We are committed to supplying premium industrial valves and equipment to distributors, importers, and project managers worldwide. 

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