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KVT GmbH Kirchzarten KVT GmbH Kirchzarten KVT GmbH Kirchzarten

Pinch Sleeves


for pneumatically operated KVT - pinch valves



 

KVT
Nr.

material

trade-
name

material
(inside)

material
(outside)

T max.
[°C]

A
T
E
X

Bemer-
kungen

NN

natural rubber

natural rubber

NR

NR

80

*

standard sleeve,
abrasion resistant

WN

natural rubber, FDA, black inside

natural rubber

NR-L sw

NR

80



LN

natural rubber, FDA, "white" inside

natural rubber

NR-L 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-L sw

EPDM

120

*


PE

Ethylen-propylen-dien-terpolymere, FDA, "white" inside

Buna AP

EPDM-L h

EPDM

110




BN

acrylnitril-butadien-rubber / nitril rubber

Perbunan

NBR

NR

80

*


GN

acrylnitril-butadien-rubber / nitril rubber, FDA, black inside

Perbunan

NBR-L

NR

80

*


DN

acrylnitril-butadien-rubber / nitril rubber, FDA, "white" inside

Perbunan

NBR-L 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

silikon rubber

silikon

KK

KK

180



MQ

silikon rubber, FDA

silikon

MQ

MQ

180



FDA: part of sleeve in contact with medium acc FDA
black inside: inside of sleeve made of black rubber
"white" inside: inside of sleeve made of white rubber
ATEX: available with conductive inside (R < 1.000.000 Ohm), additonal fee!
KTW: guidance for testing of materials made for contact with drinking water (acc. German Federal Environmental Agency)

Abbreviations acc. ISO 1629:1976 (E) and ASTM D-1418-79.


You are unsure about chemical restistance of sleeve materials. Please feel free to look at the following table of resistancy (sorry, only in german available):


If you have other ideas or needs, please feel free to contact us!

=> Contact to KVT

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KVT-Pinch Valves
KVT GmbH is a producer of pneumatically operated pinch valves.
Valves and Fittings
Valves and fittings for drinnking water, waste water, sprinkler installations and bulk material. Gate valves, plunger valves, check valves, service valves and pinch valves.
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Pinch Valves, winepress MAXI-PRESS, compact press MAXI-COMPACT, stainless steel tank, stainless steel vat for red wine mash, ...
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