wT 2575/11
Page
11
TYPE OVERVIEW SEALING ELEMENTS
Due to the modular system of construction the sealing system of KHE ball valves can be adapted easily
for special applications. The sealing elements of the valves are suited for many kinds of applications,
operating conditions and fluids. There are 4 types of different sealing elements/rings combinations
available:
1. KFC-25 (Standard = Fire Safe)
U-sleeve
(K-Flon)
Used for standard applications and as spare part
Elastic sealing element
(stainless steel)
Sealing ring (KFC-25)
2. PTFE
U-sleeve
(K-Flon)
Gas and vacuum applications
Elastic sealing element
(stainless steel)
Sealing ring (PTFE)
3. Metal
U-sleeve
(K-Flon)
Used
for
abrasive
fluids
Graphite
Elastic
sealing
element
(stainless steel)
Graphite
gasket
Stelite plated
Sealing
ring
4. Single-Part Sealing Element
Used for applications with
high temperature changes
Sealing ring
(KFC-25
Single part sealing element
U-Sleeve
(K-Flon)
U-Sleeve
(K-Flon)
4.1 Single Part Sealing Element with release hole
used for heavy expanding liquids
and high temperature changes
Single part sealing element
Sealing ring
(KFC-25)
release-
hole
