Inside a real trunnion mounted ball valve packing line: hydrostatic test, VCI moisture protection, IPPC crate marking, lifting points and TPI sign-off — plus the full shipping document checklist.

Dear valued customers, Celebrate our great nation’s birthday. The 2026 National Day is coming. We notify you of our holiday schedule for your order and project planning. Thanks for trusting valves from the J-VALVES Team. We specialize in fluid control, providing precision valves to guarantee stable

The Pneumatic Soft-Seated Plug Valve is a quarter-turn industrial valve designed for fast and reliable pipeline isolation. The valves shown in the image feature a compact plug valve body, flanged ends, soft-sealing structure, and pneumatic actuators, making them suitable for automated on/off service.

DN400 PN63 trunnion-mounted ball valve in 09G2S low-alloy steel: body pressure-temperature limits, GOST 9544 tightness classes, flange and design checks.

A practical guide to 12" 600LB A105 trunnion mounted ball valve design, materials, operating conditions, and industrial applications.

A 2x 1/2 in. Class 600 LF2 DBB ball valve for low-temperature service: what ASTM A350 LF2 covers, what limits the valve, and what to put in the RFQ.

Technical guide to triple offset flanged butterfly valves: offset geometry, API 609 Category B compliance, torque sizing, and the real causes of seat leakage and seizure.

What do Class 1500 and WCB actually mean?Class 1500 is a rating category, not a universal operating pressureIn industrial valve practice, 1500LB usually refers to Class 1500. It is a pressure class designation used within an applicable standards framework. It does not mean the valve is automatically

Learn where a 4" 150LB WCB swing check valve fits best in water, oil, steam, and general industrial piping, plus selection, limits, and installation tips.

Trunnion-mounted ball valves carry pipeline loads on bearings, cutting operating torque in large-bore service. Compare designs, seat sealing and API 6D selection criteria.

A 10000 PSI DBB ball valve combines dual balls, clamp ends and a reduced bore for verifiable double isolation. Here is how to specify one correctly.

A Dual Plate Wafer Check Valve is a compact non-return valve designed to prevent reverse flow in industrial piping systems. Its wafer-style body requires less installation space than many conventional flanged check valve designs, while the two spring-loaded plates provide responsive flow control.

J-Valves API 599 plug valves are engineered for petrochemical pipelines. Heavy-duty flange type, high temperature & pressure resistance, customized actuators for oil & gas service.

WCB Globe Valves are widely used for flow regulation and shut-off in oil and gas, petrochemical, power generation, water treatment, and industrial process piping. The valves shown in the image are large-diameter 16-inch, Class 150 WCB globe valves, featuring a robust cast-steel body, bolted bonnet, flanged ends, and an extended stem assembly.

WC6 Gate Valves are commonly used in high-temperature and high-pressure industrial piping systems, particularly in power generation, petrochemical plants, refineries, and steam service. The valves shown in the image feature a robust cast-steel construction with flanged ends, designed for demanding industrial pipeline applications.

The internal structure of a strainer directly affects filtration efficiency, pressure drop, maintenance, and service life. C95800 Y-Type Strainers​ are designed for applications where solid-particle removal and corrosion resistance are both important, particularly in marine, seawater, offshore, and industrial piping systems.

Learn design, material & pressure test requirements of Y‑type strainers under API 6D, API 598. Master key selection criteria for oil, gas & petrochemical projects to avoid pipeline equipment failure.

Based on ISO 10631, ISO 5752 international standards, this guide covers key selection points for wafer centerline resilient‑seated butterfly valves, including material, pressure rating, size, actuator type, helping engineers avoid piping system failures.

C95800 Check Valves are widely used in marine, seawater, offshore, shipbuilding, and industrial piping systems where corrosion resistance and reliable flow-direction control are important. C95800 Nickel Aluminum Bronze offers a practical material solution for demanding water-based environments.

28‑inch Class 900 WCB triple offset metal seated butterfly valve compliant with API 609 & ASME B16.34. Heavy‑duty shut‑off & throttling for oil & gas, refinery high‑pressure piping. J‑VALVES industrial valve manufacturer since 2009.