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SHIJIAZHUANG DEYE PIPE INDUSTRY CO., LTD
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Double Offset Butterfly Valve

Double Offset Butterfly Valve

Country/Region china
Company SHIJIAZHUANG DEYE PIPE INDUSTRY CO., LTD
Categories Wafer Butterfly Valve
Update 2019-06-07 04:15:15
ICP License Issued by the Chinese Ministry
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Butterfly Valve

Double Offset Butterfly Valve
PRODUCTION STANDARD
DesignTS EN 593
End connectionFlanged TS EN 1092-2 / ISO 7005-2
Face To FaceTS EN 558 Seri 14 / DIN 3202 F4
TestTS EN 12266-1
MarkingTS EN 19

Features

Eccentric action reduces torque and seat cantact during operation extending valve lift
Suitable for on/off and modulating service
Face to Face isin accordance with ISO5752, AS4795 and EN558 seriers 14
Double flanged butterfly valves
Epoxy Back Seat ensures on corrosion behind the seating area
Dovetail Seat Locking construction eliminates the need for seat retaining mechanisms
that can loosen and corrode
Subject to size and damage, the seat can be repaired in the field and in certain cases
repaired from outside the valve without disassembly from the main line
All iron Parts are fusion boned epoxy coated for corrosion resistance and long life
Lifting lugs and foot mounting points are integral to the body for easy transportation
Fully rated bi-directional design
Top plates are in compliance to ISO5211 for mounting actuators
Disc connection to shaft is by blind bolting eliminating potential leak paths
Body and Disc consturction is ductile iron for higher stength and ligher weight
All valves have raised face flanges
Optional 316 stainless steel disc edge coating using HVOF profess
All flange holes are drilled through

Applications

Waste Water, Distribution Lines, Water Treatment, HVAC

Temperature

+130 °C (EPDM)
+78 °C (NBR)

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