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Butterfly valve Type: 4630 KIWA Ductile cast iron/Duplex Centric Bare stem Flange
Product documents
Document
Document type
Product Certificate
KIWA
(PDF)
Product Manual
Installation Operation Manual
(PDF)
Product overview
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Application
For drinking water up to a maximum of 30°C.
Suitable for vacuum applications.
Technical information
Double flange of butterfly valve type with centric disc bearings.
Robust construction with full-length shaft.
Short construction length in accordance with ISO 5752/EN 558 Series 13 (DIN 3202 F16).
Vulcanised lining fixed on the housing, which also extends over the sealing surfaces of the flange.
Standard with exterior coating of epoxy in RAL 5015 and a layer thickness of 250mu.
Version with free shaft end (no actuation).
Housing suitable for mounting between flanges in accordance with DIN PN10 or PN16.
Approval
Fully certified in accordance with KIWA evaluation guideline K602 for use in drinking water production and drinking water distribution systems.
Options
Other materials and/or pressure classes.
Available with EN 10204.31 certification.
Equipped with lever, worm gearbox and pneumatic, electric or hydraulic actuators.
Position feedback for manual or automated valves.
Coating according to customer specifications.
Tables
Pressure and temperature range
Size
Lining
Pressure rating
Temperature range
Maximum operating pressure
DN50 - DN600
EPDM
PN10
0°/+30°C
10 bar
Valve design: Centric
Valve design: Centric
Housing material: Ductile cast iron
Housing material: Ductile cast iron
Material quality: EN-JS1030
Material quality: EN-JS1030
Nominal inner diameter
DN400 (1)
DN600 (1)
Nominal inner diameter
Connection: Flange
Connection: Flange
Pressure rating: PN10
Pressure rating: PN10
Face to Face length (mm)
216 (1)
267 (1)
Face to Face length (mm)
Operation: Bare stem
Operation: Bare stem
Material liner: EPDM-KIWA
Material liner: EPDM-KIWA
Disk material: Duplex
Disk material: Duplex
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