Ductile Iron Double Eccentric Soft Seal Flange Butterfly Valve

• Customization: Available
• Media: Water
• Connection Form: Flange
• Structure: Double-Eccentric Sealing
• Working Temperature: Normal Temperature (-40°C<T<120°C)
• Application: Water Industrial Usage
• Material: Ductile Iron&Strainless Steel
• Transport Package: Carton and Pallets
• HS Code: 8481804090

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

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: -10ņ ~90ºC

Suitable for: Water and neutral liquids

 

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

 

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

Packing and shipping
Inner package: plastic bags                                    Product package: carton and pallets
Delivery package: plywood cases available                       Delivery package: steel cases for premium option

About Us
1. More than 20 years experience for valves, fittings, etc..
1. Professional R&D teams in Germany & China for HAVC and waterworks system.
2. Strict products inspection, SOP processing.
3. 6S management, higher quality material with higher price.
4. Quick feedback service, feedback within 24 hours.
5. All sales have more than 10 years experience on service.

Factory capacity
Welcome visit us

FAQ:
Question 1: Can you make OEM or ODM product?

DVK: 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.

Question 2: How long is your delivery time?

DVK: 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.

Question 3: Do you provide free samples?  
DVK: 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.

Question 4: What are your payment terms?

DVK: 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.