• September 29. 2021

API gate valves refer to the valves which are made under the regulations set by the American Petroleum Institute. They are usually widely used in petroleum and industrial processing plants, playing an important role at shutting off the flow. And it is true that the featured and core part of them is called the wedge. In order to meet the various specifications, API gate valves are indeed designed a...

• November 26. 2021

The EFP 4-inch fracturing pump valve insert seals produced by JST uses modified TPU material, it is the consumables of fluid end valves and seats, which has excellent wear resistance and corrosion resistance. The frac pump valve insert seals are fluid end consumables, it plays important role in oilfield. It is mainly used in oil field fracturing truck, well washing truck, cement truck, plumger pum...

• January 21. 2022

Guangzhou JST Seals has been supplying stem packing seal and seat seal for 6A gate valve for over 20 years. To give an unequivocal assurance of quality, performance and durability, our seal has been tested and witnessed by the third party DNV. The seal materials are PEEK+PTFE+Elgiloy Spring. Our seals are installed on Douson 3-1/16“ 15M Gate valve and 2-1/16'' 10M Gate valve and 1-13/16'' 15M Gate...

• February 18. 2022

Wiper seal, also known as the dust ring, is a type of hydraulic seal. Wipers are installed in the sealing configurations of hydraulic cylinders to prevent contaminants such as dirt, dust and moisture from entering the cylinder as they retract back into the system. This is usually accomplished by a seal having a wiper lip that substantially removes any dust, dirt or moisture from the cylinder rod e...

• April 06. 2022

S Seals are well suited for sealing wellheads, connectors,  downhole tools, high pressure valves and other demanding oil and gas applications. The non-extrusion springs can be fabricated from different metals. Product Highlights Alternative engineered seal design to using T Seals or O-Rings, traditional S Seals utilize metal spring for supporting sealing of various extrusion gaps. Designed as...

• June 17. 2022

Valve insert is a necessary and vulnerable part of oil well fracturing pump in oil field. It forms a valve assembly with valve disc, valve cover, valve seat, guide claw, worm thread, nut, etc. when working, valve insert plays a role of sealing and buffering. Oil field special valve insert seal is mainly used in pumps, which functions as water inlet valve and drainage valve. Features: oil and corro...

• July 15. 2022

In oil production, fracturing technology is one of the important measures to improve oil production and reserves. In order to achieve the purpose of increasing production, every oil well in the oilfield needs to be fractured, and some oil wells even need to be fractured many times. Generally, 4-5 fracturing trucks operate in the downhole oil layer to form a fracture, and the oil flows to the fract...

• September 22. 2022

In the oil and gas industry there is a practice called fracking, to speed up the migration of gas and petroleum fluid from source rocks or reservoir rocks. The fracking is an oil and gas well stimulation measure with broad application prospects. At present, hydraulic fracturing is the main form of natural gas exploitation. Water (fracturing fluid) mixed with chemical substances is used to inject i...