Full welded ball valve material:

1) Valve body: carbon steel ST37.0, A106-B； Steel No. 20

2) Sphere: Stainless steel 304 or 316

3) Valve stem: 2Cr13

4) Valve stem seal: Perfluorosilicone adhesive

5) Ball seal: RTFE（PTFE+C）

Standard features of fully welded ball valves:

1) : Diameter: DN15 ~1000

2) Pressure: PN 16 ~ 40

3) Working temperature:- 29℃ ~ +200℃

4) Welded ball valves for gas pipelines are suitable for media such as petroleum/gasoline, liquefied natural gas/liquefied petroleum gas, petrochemicals, steel plants, heating pipelines, etc

5) Operation methods for welding ball valves in gas pipelines: handle, gear (vertical/horizontal), electric, turbine

Application of fully welded ball valve:

1) Urban gas: gas output pipelines, main and branch supply pipelines, etc.

2) Central heating: Large heating equipment output pipelines, main lines, and branch lines.

3) Heat exchanger: opening and closing of pipelines and various circuits.

4) Steel plant: various fluid pipelines, exhaust gas selection pipelines, gas and heat supply pipelines, fuel supply pipelines.

5) Various industrial equipment, various heat treatment pipelines, various industrial gas and heat pipelines.

Performance of fully welded ball valve:

1) No maintenance, adjustment, or lubrication required, easy to install, and capable of long-term reliable operation at low operating costs. The surface is treated with spray coating technology, resulting in a glossy and beautiful appearance. There will be no external leakage or other phenomena. The valve body is a welded structure, so the valve is lightweight and easy to insulate. Installing the adjustment mechanism is very simple, and the operating handle can be removed for directional installation.

2) Due to the fact that the valve seat is composed of carbon fiber reinforced PTFE sealing rings and disc springs, it has strong adaptability to changes in pressure and temperature, and will not produce any leakage within the marked pressure and temperature range.

3) The machining process of the sphere is tracked and detected by advanced computer detectors, so the machining accuracy of the sphere is high.

4) Due to the fact that the valve body material is the same as the pipeline material, there will be no uneven stress, and there will be no deformation due to earthquakes or vehicles passing through the ground. The pipeline is resistant to aging.

5) Integrated fully welded, with equal and variable diameter channels, using fixed and floating balls, dual piston effect sealing system, automatic

Inject sealant into the bearing.

6) To prevent static electricity, steel balls and springs are installed between the valve stem and the ball, as well as between the valve stem and the packing box, respectively, to maintain electrical conductivity between all parts of the valve and the valve body, allowing current to pass through the area and release static electricity. Not only does it prevent fires, but it also prevents corrosion, achieving temporary shutdown for timely maintenance.

7) The anti detachment function of the valve stem is designed as an anti detachment structure because the valve stem is affected by the pressure inside the valve and always generates a detachment force.

8) Support the pressure towards the valve stem with a low friction material thrust washer, so that the valve stem only serves to transmit torque.