Syi Di Soft Seal Lug Type Manual Operated Cast Iron Water Butterfly Valve Manufacturer

Product Description

SYI Wafer Resilient Seated Butterfly Valve

Description

The disc of the Wafer Butterfly Valve is installed in the diameter direction of the pipe. In the
butterfly valve body cylindrical channel, disc shaped butterfly plate around the axis of rotation, rotation Angle between 0°-90°,can play the role of flow regulation, when the butterfly plate rotation to 90°, the valve to reach the maximum opening. Wafer butterfly valve is with simple structure, small size, light weight, only by a few parts. And only need to rotate 90° can quickly open and close, simple operation, and the valve has good fluid control characteristics.

Technical Specifications:
Face to face: API609 / EN593 / EN558
Flange drilling: DIN2501/ ANSIB16.10 / EN1092
Working pressure: PN10/PN16
Upper flange connection: ISO5211

Main Parts and Material:

Item	Part Name	Material	Item	Part Name	Material
1	Body	GGG50	3	Shaft	Stainless Steel
2	Disc	Stainless Steel	4	O-ring	EPDM

Main Dimensions: Unit: mm

DN	H1	H2	L
40	139	68	33
50	161	80	43
65	175	89	46
80	181	95	46
100	200	114	52
125	213	127	56
150	226	139	56
200	260	175	60
250	292	203	68
300	337	242	78
350	368	267	78
400	400	298.6	105
450	422	318	114
500	480	355	127
600	562	444	154
700	623.9	505.1	165
800	646	499	190
900	672	576	203
1000	720	637	216
1100	800	701	230
1200	940	844	254

For other sizes not mentioned above, please contact us. We have right to change the data without further notice.
The disc of the Wafer Butterfly Valve is installed in the diameter direction of the pipe.

In the butterfly valve body cylindrical channel, disc shaped butterfly plate around the axis of rotation, rotation Angle between 0°-90°, can play the role of flow regulation, when the butterfly plate rotation to 90°, the valve to reach the maximum opening.

Wafer butterfly valve is with simple structure, small size, light weight, only by a few parts. And only need to rotate 90° can quickly open and close, simple operation, and the valve has good fluid control characteristics.
Package
Packing: Usually packed by plywood crates or pallets.

Quality Control
SYI Pipeline regards quality as an essential and integral part of our business success. Until now, we are ISO9001:2015 TUV, BSI Kitemarked, SGS, BV, FM certified, and UL, WRAS listed. We are the approved supplier to many worldwide known countries and authorities. Manufacturing "SYI" Brand products has evolved as a mark of quality!
Services
SYI manufactures and designs complete series of Valves according to DIN/BS/EN/API/ANSI/AWWA

/ASME/ Russian and other major standards.

-Gate Valves,
-Butterfly Valves,
-Check Valves,
-Y-Strainers
-Air Release Valves
-Globe Valves
-Fire Hydrant

The Valves supplied by SYI Pipelines are mainly used for adjusting water, steam, oil, gas, and natural
gas in chemical industries, acid, alkali, and salt working pipelines. Sizes from 50-2000mm can meet full requirements from customers.

Company Profile

SYI has continually invested in better technology and production facilities. More than 4,000 patterns
are ready. We are capable to finish all the production processes from moulding, shot-blasting, machining, coating to packaging. We have over 100,000 m2 foundry land including:
-10,000 m2 of the pattern, sand mixing, polishing, machining, hydraulic pressure, coating, packaging workshops;
-4,000 m2 of three green sand moulding workshops and one resin sand moulding workshops;
-3,000 m2 of automatic moulding machine line and epoxy coating line
-professional laboratory
-machining shop
-and our own tooling shop

Strict process and operating regulations together with perfect quality assurance system making every production step under control. All the products are subject to tests and inspections including composition analysis, metallographic examination, dimension & surface finish inspection, ring test, tensile test, hardness test, hydrostatic test, lining and coating test to be sure that the products meet the requirements of the standards.

Since 2009, SYI Pipeline has developed from a pipes & fittings seller to a professional project solution provider, including the one stop service and solution from pipes, fittings, couplings & flanged adaptors, valves, fire hydrants, to water meters and accessories.

SYI products have served 111 countries worldwide up to now!
Most of these customers cooperated with SYI for more than 20 years!
We value long term cooperation relationship mostly!

Welcome to send us an inquiry for more details and price!!!