Ball valve high pressure lip seal

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

The FHB seal design of the spiral spring combined arc lip, and the pressure comes from the inside.

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

T-seals are three piece seals with an elastomeric lip and hard plastic anti-extrusion rings, it is proved to be of long time service. The standard design will fit into an o-ring gland and can be machined or net moulded.

Dovetail groove is used to put the O-ring or elastomer dovetail seal during installation. This groove is not common because it is more expensive to machine, but this dovetail groove can avoid seal extrusion out.

Hammer union seals are used for hammer joint type pipe connections to establish flow lines and prevent leakage.

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