Pinch Sleeves

Pinch Sleeves


for pneumatically operated KVT – pinch valves


KVT-Quetschmanschetten in NR, EPDM, Silicon, FPM, ...


KVT
No.
material trade-
name
material
(inside)
material
(outside)
T max.
[°C]
A
T
E
X
remarks
NN natural rubber natural rubber NR NR 80 * standard sleeve,
abrasion resistant
WN natural rubber, FDA, black inside
natural rubber NR
FDA
sw
NR 80    
LN natural rubber, FDA, “white” inside
natural rubber NR
FDA
h
NR 70    
HH natural rubber, “heat-proof” natural rubber
hitzefest
NR-H NR-H 90    
IN butyl-natural rubber-combination Isobutylen-
Isopren
IIR NR 90    
SN styrol-butadien-rubber Buna EM SBR NR 80    
 
EE Ethylen-propylen-dien-terpolymere Buna AP EPDM EPDM 120 *  
ÄE Ethylen-propylen-dien-terpolymere, FDA, black inside Buna AP EPDM
FDA
sw
EPDM 120 *  
PE Ethylen-propylen-dien-terpolymere, FDA, “white” inside Buna AP EPDM
FDA
h
EPDM 110    
 
BN acrylnitril-butadien-rubber / nitril rubber Perbunan NBR NR 80 *  
GN acrylnitril-butadien-rubber / nitril rubber, FDA, black inside
Perbunan NBR
FDA
sw
NR 80 *  
DN acrylnitril-butadien-rubber / nitril rubber, FDA, “white” inside Perbunan NBR
FDA
h
NR 80    
 
CN polychloropren-rubber Neoprene CR NR 80    
MN chlorosulphonyl-polyethylen-rubber Hypalon CSM NR 80    
FC fluor-rubber Viton FPM,
FKM
CR 120  
 
KK silicone rubber silikon KK KK 180    
MQ silicone rubber, FDA silikon MQ MQ 180    

KTW: guidance for testing of materials made for contact with drinking water (acc. Environmental“>Agency)
Abbreviations acc. ISO 1629:1976 (E) and ASTM D-1418-79.


You are unsure about the chemical resistance of the sleeve materials. Please feel free to look at the following Resistance of materials to chemicals – General tables of resistance” of the material on the inside of the sleeves.


If you have other ideas or needs, please feel free to contact us! => Contact to KVT