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gate valve wesdom

Product

WESDOM

DN2400 Double Eccentric Butterfly Valve

Size Range: DN150 - 3200

Pressure Ratings: PN10 & PN16 & PN25

Application: Isolate the flow with infrequent & frequent operation

Types: Long (S14) or short (S13) body,

Options:Locking device, extension spindle,

different gearbox installation direction, different material/flange drillings

Operation: Manual gearbox with stem cap or handwheel, ISO gearbox with electric actuator

Wesdom large double eccentric butterfly valves are designed with tilted disc for easy operation.

Double eccentric butterfly valve’s disc seal is made of drinking water approved EPDM rubber featuring an excellent compression set and thus ability to regain its original shape.

The high quality DVGW/WRAS approved epoxy coating and fully encapsulated shaft/disc connection ensure high durability.

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Product details

This company produces the double eccentric softhearted sealing butterfly valve has simple structure, small flow resistance coefficient, difficult to stranded sundry drive torque is small, the advantages of simple operation,rapid, and it also has good flow regulating function and sealing performance at the same time, can achieve completely sealed, zero leakage gas test.

The different materials are used to make the sealing ring of different materials, which can be adapted to different media, working conditions, and make the cost and performance to the best effect It can be driven by worm wheel and electric power.it is mainly used for food, water, beverage, chemical, medicine, etc.

 

1 2 3 4 5 6 7 8 9
Key Valve shaft Seal housing O-ring Self-lubricating bearing Disc cover Disc cover gasket Dowel Blanking flange(DN=1400)
Stainless steel

A2

Stainless steel 431 Bronze EPDM rubber Steel,PTFE coated Stainless steel EPDM rubber Stainless steel A2 Ductile iron

GJS-500-7(GGG-50)

10 11 12 13 14 15 16 17 18
Body Disc Security plate Spring washer Washer Nut Washer Thrust bearing End plate
Ductile iron

GJS-500-7(GGG-50)

Ductile iron

GJS-500-7(GGG-50)

Stainless steel Stainless steel A2 Zinc Stainless steel A2 Stainless steel A2 Bronze Ductile iron

GJS-500-7 (GGG-50)

19 20 21 22 23 24 25 26
Gasket Stub shaft Safety key Screw Seal retainer ring Disc seal 26.Gearbox
EPDM rubber Stainless steel 431 Stainless steel A2 Stainless steel A2 Stainless steel

A2

Stainless steel EPDM rubber Cast iron

 

wesdom gate valve

 

Part name Material
Body, Butterfly plate Grey cast iron, ductile iron, cast steel,stainless steel
Stem Medium carbon steel, stainless steel(2Cr13),1Cr18Ni9Ti
Sealing ring Butyronitrile rubber,ethylene propylene rubber,polytetrafluoroethylene
Packing Graphite asbestos, flexible graphite

Product packaging and transportation

 

wesdom gate valve

 

Certificate

Features

1.The tilted disc releases the compression of the disc sealing after a few degrees of opening resulting in low operating torque

2.The disc seal profile and rubber quality ensure low closing torques

3.All rubber parts are multi approved

4.Seal retainer ring of stainless steel

5.The threaded bolt holes in the disc are corrosion protected with O-rings

6.Machined and epoxy coated ductile iron seat integrated in the body

7.Shaft of stainless steel with self-lubricating bearings

8.The shaft ends are fully encapsulated in the disc and are fixed with dowels corrosion protected with O-rings and a stainless steel security plate. Key and keyway as backup

9.Replaceable shaft sealing with two EPDM O-rings on each side of a bronze bushing, and a flat NBR gasket

10.Optional locking device

11.DN 700-1600, body and disc coated with fusion bonded epoxy coating in compliance with DIN 3476 part 1 and EN 14901, GSK approved, blue RAL 5017, according to WRAS-DVGW/W270/UBA,DN ≥ 1800, body and disc coated with 2-pack epoxy, blue RAL 5017 externally, ribbon blue or cream white internally, according to WRAS

12.Bi-directional operation up to DN2400 and uni-directional from DN2600 and above

Standard

Design criteria : GB/T12238-1989

Flange connection size : GB/T9113.1-2000 ; GB/T9115.1-2000 ; JB78

length structure : GB/T12221-1989

Pressure test : GB/T13927-1992 ;JB/T9092-1999

Test/Approvals:

1.Hydraulic test according to EN 1074-1 and 2 / EN 12266

2.Approved for drinking water

3.Approved according to WRAS Certificate No. 1702367

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