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Home News Why Choose J-VALVES Chinese 2PC Trunnion Mounted Ball Valve? Advantages & Successful Cases
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2PC trunnion mounted ball valves

1. What Is 2PC Trunnion Ball Valve and Its Applications

The 2PC trunnion mounted ball valve is a core shut-off device widely used in oil, natural gas, coal chemical and high-pressure industrial pipelines. Compared with floating ball valves, it features high pressure resistance, stable tightness and long service life, which is very suitable for large-bore and long-term continuous operation working conditions.

The 16” 300LB WCB 2PC trunnion ball valve is our hot-selling model for overseas projects. Made of WCB carbon steel, it complies with API 6D and ASME standards, adapting to most industrial media and high-pressure pipeline systems.


2. Core Advantages of J-VALVES 2PC Trunnion Ball Valve

Complete In-house Production & Strict Quality Control

Different from ordinary factories that only assemble valves with outsourced parts, J-VALVES owns full production lines including casting, CNC machining, assembly and testing. Every WCB valve passes NDT inspection, hydrostatic test and air tightness test to ensure zero defect and stable quality.

Full International Certificates for Global Projects

All 2PC trunnion ball valves are certified with API 6D, ISO9001, CE and fire safety certificates, fully meeting the tender and acceptance standards of Middle East, Southeast Asia, America and other global engineering projects.

Fast Delivery & High Cost Performance

Imported large-bore high-pressure ball valves have high prices and long lead times up to 3-4 months. With domestic factory advantages, J-VALVES keeps stock of semi-finished 16” and 20” 300LB valves. Bulk orders can be delivered within 45 days. The total procurement cost is 35%-50% lower than imported valves, with fast after-sales spare parts support.

Custom Solution for Complex Working Conditions

We support customized materials (WCB, stainless steel, duplex steel, low-temperature steel), flange types (RF/RTJ) and actuators (electric, pneumatic, hydraulic), adapting to high temperature, high pressure and corrosive industrial environments.


3. Verified Overseas Successful Project Case

Southeast Asia Cross-border Natural Gas Pipeline Project

This overseas gas pipeline project required 16-inch Class 300 large-bore shut-off valves with strict standards for tightness, certification and anti-corrosion performance. Due to the high price and 120-day long lead time of imported valves, the client finally chose J-VALVES and purchased 28 sets of 16” 300LB WCB 2PC trunnion ball valves.

All valves were manufactured strictly in accordance with API 6D standards, with NDT inspection, high-level tightness test and thick anti-corrosion coating. We completed SGS third-party inspection, production and ocean shipment within 42 days, greatly shortening the project cycle.

After official operation, the valves have run stably for a long time under humid and temperature-changing outdoor conditions without leakage or failure. The client placed a repeated order for the second-phase pipeline project, which fully proves the reliable quality of J-VALVES Chinese trunnion ball valves.

Up to now, our 2PC trunnion ball valves have been widely used in Middle East refineries, coal chemical plants and power plant pipelines, exported to more than 30 countries with rich industrial application experience.


4. Why Global Buyers Choose J-VALVES

  • Import-matching quality: Strict international production and testing standards, bubble-tight shut-off for high-pressure large-bore pipelines;

  • Full certification support: Complete certificates for global bidding and acceptance;

  • Fast delivery & lower cost: Short lead time and competitive factory price;

  • Verified field performance: Mass successful overseas engineering cases.

J-VALVES is a reliable original manufacturer of 2PC trunnion mounted ball valves. We provide free drawings, datasheets, test reports and customized solutions. Welcome global clients for inquiry and factory visit.

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Explore the Valves in This Article
Top entry trunnion mounted ball valve with a one piece body that removes the bolted body joint from the pressure boundary. Seats and seals are serviced through the top cover without cutting the valve out of the pipeline. Nominal Size: 1 inch to 36 inch Pressure Class: ASME Class 150 to 2500 Body Material: WCB, LCC, CF8M, CF3M, A105 forged Body Style: One piece top entry Ball & Stem: CF8M or F316 with ENP coating Seat Material: PTFE, RPTFE, PEEK or metal End Connection: Flanged RF / RTJ, butt weld Operation: Gear, pneumatic or electric actuator Maintenance: In line, through the top cover Design Standard: API 6D / ISO 14313 Test Standard: API 598, API 607 fire safe Options: Sealant injection, cavity relief, extended stem
A high pressure trunnion mounted ball valve for Class 900 to 2500 service, built to API 6D PSL3 with a forged or cast body, spring loaded seats, double block and bleed and sealant injection ports. Suited to wellheads, gas gathering and high pressure process isolation.   Nominal Size: 2 inch to 24 inch (DN50 to DN600) Pressure Class: ASME Class 900 / 1500 / 2500 Body Material: A105 forged, WCB cast, A182 F316, F51 duplex Ball & Stem: A182 F316 with ENP or hard chrome Seat Material: PTFE, RPTFE, PEEK or metal to metal End Connection: Flanged RF / RTJ, butt weld, hub Operation: Gear, pneumatic or electric actuator Design Standard: API 6D / ISO 14313, ASME B16.34 Test Standard: API 598, shell 1.5x and seat 1.1x Fire Safe: API 607 / API 6FA Material Certificate: EN 10204 3.1 with heat number traceability Temperature Range: -29 C to +200 C, trim dependent
Nominal Size :3/4"~60" (DN20~DN1500) Pressure Class :150LB~2500LB (PN10~PN420) Temperature Range: -20℃ ~ +200℃ Body Material :C95800 Nickel Aluminum Bronze Ball Material :C95800 Nickel Aluminum Bronze Stem Material :C95800 Nickel Aluminum Bronze Seat Material :PTFE, RPTFE, PEEK End Connection :Flanged RF Operation: Manual (Lever / Gear), Pneumatic, Electric Design Standard: ASME B16.34, API 608 Test Standard: API 598, ISO 5208 Face to Face: ASME B16.10 Fire Safe Standard: API 607
Nominal Diameter: 0.5" (DN15) Pressure Class: Class 300 (PN50) Temperature Range: -29℃ to +425℃ Body / Bonnet: ASTM A216 WCB cast carbon steel Ball: A105N / WCB with hard chrome plating, or 304 / 316 stainless steel (optional) Stem: 410 / 420 stainless steel or 17-4PH precipitation hardening stainless steel Seat: PTFE, RPTFE, PPL (reinforced PTFE) Sealing Materials: PTFE / RPTFE / PPL (seat), flexible graphite or PTFE (stem packing) End Connection: Flanged (RF Raised Face, conforming to ASME B16.5) Operation: Lever (90° open/close, with optional locking hole) Design Standards: ASME B16.34, API 608 Inspection & Test Standard: API 598 Face-to-Face Dimension: In accordance with ASME B16.10