• November 30. 2021

V-packings, also known as Vee packing seal and Chevron V-packings, or V stack, is a kind of stacked seal. It is combined by a male adapter, a female adapter and a number of intermediate V rings. V-packings are designed to be used in applications such as hydraulic cylinders, fracturing pumps or well downhole. Facing different working condition (temperature, pressure, media), the raw material differ...

• June 01. 2022

JST Seals can provide vee packing manufactured from its range of high performance elastomers, PTFE and PEEK. Typical applications include mud pump packing, where the seal encounters high pressure and grinding media containing various solids, oil and water. 1. Test purpose The objective of this test procedure is to evaluate the quality of  JST non elastic seal, V-Packing seal stack design as p...

• August 12. 2022

Vee packing is used for downhole equipment in oil field. JST provides chevron and HNBR Vee packing. The Vee packing group is composed of a top ring, a bottom ring and several intermediate center rings. V-Packings is ideal for medium and heavy duty applications. V-packing can withstand low pressure and high pressure when working under the most extreme conditions. JST standard Vee Packings materials...

• November 22. 2022

The downhole environment is much harsher and more complex than the surface environment, such as high temperature, high pressure, high corrosiveness, etc. Due to the structure and function of the downhole tools, they need to work for a long time in the well, so they must have good sealing ability. Traditional single seals have limitations in such a complex environment, while combination seals can s...

• January 15. 2023

V-packings and Chevron Stacks are used in various Oilfield Downhole equipment such as various Valves etc. They significantly decrease the hazard of hidden gaps, flow lines, and inlet expansions. They are extremely suitable for usage in medium to heavy duty applications. V-packings and Chevron Stacks can withstand temperatures of between -45°C to +260°C, and pressure of up to 30,000 PSI and beyond ...

• May 19. 2023

Hydraulic vee packing set is a type of packing with multiple-lip, also known as chevron seals, to prevent fluid leakage. It is typically used in adjustable gland applications such as telescopic truck hoists, pumps and valves. Vee packing sets are composed of top and bottom, male and female components, and varying numbers of center vees. The vees are arranged in a V-shape, which helps to form a tig...