Description：
PTFE envelope gasket consists of two parts, cdadding layer and insert filer. Insert fller is generally the non-metal sealing material with or without metal enhancement layer, such asasbestos rubber sheet , non-asbestos rubber sheet and graphite composite sheet board etc.
PTFE envelope gasket is mainly used in flat flanges and convex section steel pipe flanges connection. According to diferent structures of the inner filier, there are v-shaped,u-shaped and L-shaped.

Type：

Code	Type	Cross Section
SG-G1204A	YType，PTFE dise in centerfrom out side.
SG-G1204B	CType，PTFE tape heatsealed at one joint
SG-G1204C	UType，PTFE sheet mashine cut to envelope form

Service range：

Cushioning Material	Cross Section	Max Temperature （℃）	Pressure （kgf/cm²）
NON-Asbestos Jointing Gasket		260	30
Reinforced Graphite Gasket		260	50
Reinforced Gasket+SS316 Corrugated Gasket		260	60

Main specification：