High Performance Electric and Manual Operation Double Eccentric Large Diameter Flanged Butterfly Valve with

• Customization: Available
• Media: Water
• Driving Mode: Worm Gear
• Structure: Centre Sealing
• Seal Form: Force Sealed
• Valve Stem: Normal
• Work Pressure: Mid-Pressure (2.5mpa< Pn <6.4mpa)
• Working Temperature: Normal Temperature (-40°C<T<120°C)
• Material of Seal Surface: Metal Hard Sealed
• Valve Body: Casting
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Size: DN40~DN2400(2″~24″)
• Norminal Pressure: Pn 16
• Temperature Range: -10~90ºC
• Suitable for: Water and Neutral Liquids
• Design Standard: En 593, BS 5155
• Connection Standard: Suit for En1092-2
• Face to Face Standard: En 558-1 Basic Se
• Top Flange Standard: ISO5211/1
• Transport Package: Carton and Pallets
• Trademark: OEM
• Origin: China
• HS Code: 8481804090
• Production Capacity: 50000/Years

Product Description

Product Description

 

 

Features and Benefits: 

• Eccentric disc structure for further strength and safety.
• The double eccentric design offers an optimal sealing performance.
• EPDM disc ring sealing with smart stainless steel seat, very low torque - easy to be operated.
• The fine quality EPDM rubber ring is strongly fixed on the edge of the disc by the retainer ring, easy to replace.
• The disc is connected to the upper & lower shaft by a special hinge pin, which is reliable and easy to replace.
• PN10: DN400-DN2400
• PN16: DN400-DN1200

 

NO	Size	DN	L	H1	H2	H3	H4	D	D1	D2	N-d	kg
1	16″	400	216	350	405	360	200	565	515	350	16-26	105
2	18″	450	222	380	450	385	245	615	565	350	20-26	152
3	20″	500	229	410	490	425	245	670	620	350	20-26	202
4	24″	600	267	470	590	515	340	780	725	350	20-30	325
5	28″	700	292	535	635	560	340	895	840	350	24-30	415
6	32″	800	318	590	885	625	447	1015	950	350	24-33	600
7	36″	900	330	675	975	715	447	1115	1050	450	28-33	895
8	40″	1000	410	735	1020	760	447	1230	1160	450	28-36	1215
9	48″	1200	470	865	1200	900	500	1455	1380	450	32-39	2378

* From DN1400 to DN2400 and PN16 butterfly valves are in product line, for further details please contact our sales team.

Applicable Standards:
Design standard: EN593, BS5155
Flange standard: BS EN1092-2
Face to face standard: EN558-1 basic series 13
Top flange standard: ISO5211/1
 
Technical Data:

Size: DN400~DN1200(16″~48″)
Nominal pressure: PN 10
Temperature range: -10~90ºC
Suitable for: Water and neutral liquids

Materials Specifications

No.	Component	Material
1	Body Disc	Ductile Iron JS1040
2	Seat	Ductile Iron JS1040
3	Sealing	Stainless Steel SS304
4	Ring	EPDM
5	Stem	Stainless Steel SS410
6	Bearing	Bronze + PTFE
7	V-ring	EPDM

 
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Why Choose Us

Factory Overview

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FAQ

Are you a manufacturer or trading company?
DVK Valve is a specialized valve manufacturer, backed by a skilled and experienced R&D team.

Are you make OEM or ODM product?
Yes, if QTY attractive enough, we can create new mould for you, make bodies casting with your logo and your nameplate; if QTY not attractive enough, will be only with your nameplates or labels.

What kinds of valve can you supply?
We can supply butterfly valve, ball valve, check valve, gate valve, control valve, brass valve, bronze valve, strainer, valve fittings and so on.

How long is your delivery time?
General speaking, we have some stock for regular products, it is 1~2 weeks if the goods are in stock; if not in stock will be 4~8 weeks, depends on quantity.

What's the package and how do you ship the goods?
We typically use seaworthy plywood cases for packaging. Shipping is usually done by sea, other shipping methods can also be arranged. Please contact us if you require a different shipping route.

Can you provide the relevant documentation and certificates?
Yes, we can provide the necessary documentation and certificates, including the ISO9001,ISO24001, ISO45001, CE, BV, ABS, SIRIM, TUV-SUD etc. We can also provide the Test Report, Certificate of Material Analysis, Certificate of Origin, and other export documents if required.

Do you provide free samples?
If samples available in stock, yes, we could offer the free sample to you, but the air cost or courier cost will be on your account.

What are your payment terms?
Order value less than 2000USD, 100% in advance. Order value more than 2000USD, 30% T/T in advance, balance before shipment. L/C available as well.