Metal face spring PTFE seals supplier

The ball valve seat is responsible for sealing the fluid inside and uniformly distributing the seating stress. A leak of ball valve in petrochemical application could be environmentally devastating.

The BVR series is made of a canted level spring and a polymer jacket, which is mainly used as a stem seal.

The spring energized seal is a high-performance Teflon seal with a special spring inside.

LNG Lip Seal For Filling Guns is commonly used in LNG (liquefied natural gas) filling guns.

SPGO is a low friction piston seal consisting of PTFE+Bronze seal ring and rubber o-ring used for two-way piston seal of Hydraulic cylinder, to seal in fluid, thus preventing the flow of fluid across the piston, allowing pressure to build up on one side of the piston.  

JST FHR series is  made of a helical wound spring and a polymer jacket, which is mainly used for rod.

In LNG operations, valves can regularly encounter temperatures below -320 F (-196 C) and pressures above 750 pounds per square inch (psi). They are also subjected to periodic variations in temperatures known as “thermal cycling,” which can result in hardware expansion as well as shrinkage and material stresses. These factors make reliable, long-term valve operation an engineering challenge.

VT type V Packing is widely used for sealing pistons and rods with both single and double acting cylinders.