Spring energized ball valve seal
Spring energized seal:
JST FHR series is made of a helical wound spring and a polymer jacket, which is mainly used for rod.
The polymer jacket's material includes virgin PTFE, filled PTFE, UHMW-PE, PEEK,etc.
The helical wound spring's material includes Stainless Steel, Elgiloy,Hast Alloy,etc
|
Advantages:
1. Material compound passed API 6A FF/HH Immersion Testing;
2. High load helical wound spring with small deflection range;
3. With small amount of elastic deformation, suitable for some closed grooves;
4. Rounded lip profile for easy assembly;
5. Wide range of cross-sections and diameters available;
6. NACE approved energizers available for oil and gas use.
|
Working Conditions
|
Temperature range
|
Pressure
|
Medium
|
-50~200℃
|
150LB, 300LB, 600LB, 900LB, 1500LB, 2500LB
|
Gas, water
|
|
API 6D Stem Seal selection table
|
|
Groove DWG:
|
|
Temperature Rating
|
JST Series
|
Spring
|
0~900（LBS)
|
900~2500(LBS)
|
G=(OD-ID)/2
Standard CS:G=(OD-ID)/2
|
L Value
|
|
(-50℃~180℃)
|
FHR
|
Natural color,
Elgiloy
|
|
|
3.1
|
4.8
|
|
4.7
|
7.1
|
|
6.1
|
9.5
|
