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Product Description

Membrane valve, pneumatic

Part Number

42491442

Product image
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Nameplate

7 properties · 3 sections
Manufacturer Name
SISTO Armaturen S.A.
Manufacturer Product Designation
Membrane valve, pneumatic
Type Series
SISTO-C
Manufacturer Product Type
C40 ISO 520 SF EP0,8 025
Order Code
C0C025MD65W240C00E30
Article Number
42491442
Country of Origin
LU
Nominal Diameter
DN025
Nominal Pressure
PN16
Min. permissible Temperature
-20
Max. permissible Temperature
140
Max. permissible Pressure
PS10
Diaphragm Material
EPDM
Housing material
1.4435
Made in Luxembourg CE
National Code
LU
City/Town
Echternach
Street
18, rue Martin Maas
Zipcode
6468
ID Link
https://id.sisto.one/?.1P=42491442

Handover Documentation

2 sections
Baureihenheft - DE
Download
Document Identifyer
8644.1
Language
de
Document version
01
Document title
Baureihenheft - DE
Document description
Type series booklet, example document
Document status set date
2026-08-31
Organization official name
SISTO Armaturen S.A.
Type Series booklet - EN
Download
Document Identifyer
8644.1
Language
en
Document version
01
Document title
Type Series booklet - EN
Document description
Type series booklet, example document
Document status set date
2026-08-31
Organization official name
SISTO Armaturen S.A.

Technical Data

3 sections
Product image
Type Series
C Diaphragm Valve SISTO-C
body material
00 1.4435/316L BN2 Forged material
nominal size DN1
025 DN25 - 1"
diaphragm diameter
MD65 Diaphragm Diameter 65
diaphragm diameter 2
MD30 Diaphragm Diameter 30
connection
W2 DIN 11866-B (DIN EN ISO 1127/ISO 4200)
diaphragm material
40 Diaphragm EPDM (FDA)
bonnet
C00 Pneumatic actuator | LAP.520 Stainless steel | SF Failure close
surface finish
E30 Electropolished Ra 0,8 µm
spare part
SD Spare Diaphragm
Manufacturer name
SISTO Armaturen S.A.
Manufacturer product designation
Membrane valve, pneumatic
Article Number
42491442
Order Code
C0C025MD65W240C00E30
Product description long
SISTO-C PN16 DN25 MD65 Membrane valve per type series booklet 8644.1 - Body material 1.4435 (316L), forged body, inner surface Ra0.8µm electropolished - Connection DIN 11866-B (ISO 4200/ISO 1127) weld ends, (33.7 x 2.0mm); overall length L= 130mm - Diaphragm, SISTOAseptiXX EPDM SE1203 (40) - Bonnet and actuator LAP.520-SF MD65 K63, pneumatic, stainless steel actuator, spring closing Designed for: operating pressure up to 11 bar (one-sided), control pressure min. 5.5 bar - max. 7 bar