Powered by Made-in-China.com
Manufacturing Manual Ductile Cast Iron Lug Type Butterfly Valve Price
US$50.00
50-99 Pieces
US$30.00
100+ Pieces
Sample price:US$100.00/ton.Request sample
Product profile
Customization
AvailableMedia
WaterDriving Mode
ManualModel NO.
Butterfly ValveConnection Form
WaferStructure
Double-Eccentric SealingSeal Form
Force SealedValve Stem
NormalWork Pressure
High Pressure (10.0mpa< Pn <80.0mpa)Working Temperature
Normal Temperature (-40°C<T<120°C)Material of Seal Surface
Soft SealedValve Body
CastingApplication
Industrial Usage, Water Industrial Usage, Household UsagePower
HydraulicTemperature of Media
High TemperatureSize
DN40~DN1200Place of Origin
ChinaBrand Name
SyiSurface
Powder Coating/Acid Pickling/PaintTest
100% Water PressureTransport Package
Standard Export Package or as Per Your RequirementSpecification
DIN/BS/ANSITrademark
SYIOrigin
ChinaHS Code
8481804090Production Capacity
1000 Sets Per MonthKey features
Wide Size Range: Available in sizes from DN40 to DN1200 to meet diverse industrial requirements.
High Pressure Rating: Designed for high pressure applications ranging from 10.0MPa to 80.0MPa.
Double-Eccentric Sealing: Features double-eccentric sealing structure for superior fluid control and leak prevention.
ISO9001 Certified: Certified by ISO9001:2015, TUV, BSI Kitemarked, SGS, BV, FM, UL, and WRAS.
100% Pressure Tested: Every valve undergoes 100% water pressure testing to ensure quality and safety.
Quick Operation: Simple 90-degree rotation allows for quick opening and closing with minimal effort.
Durable Materials: Constructed with GGG50 body, Stainless Steel disc and shaft, and EPDM O-ring.
Customizable Surface: Surface options include powder coating, acid pickling, and paint for corrosion resistance.
Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2015-03-19 CertifiedNearest Port: Tianjin PortAverage Response Time: ≤6.23h CertifiedTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummarySYI Group, also identified as SYI Industrial Co., Ltd., is a China-based limited company established in 1999 and operating from Shanxi. Its reported product scope includes castings, forgings, ductile iron pipes and fittings, manhole covers, valves, flanges, aluminum castings, and municipal products. The supplier reports ISO 9001:2015 certification and additional TUV, BSI Kitemark, SGS, BV, FM, and WRAS credentials or listings. Manufacturing evidence includes six production lines, automatic moulding equipment, CNC machining, laboratory facilities, in-house tooling, and 21–30 quality-control staff. It exports to multiple global regions and states that exports represent 90% of sales. Evidence supports production capability and certification strength, while after-sales service, financial credibility, innovation outcomes, customization performance, and customer cases cannot be conclusively assessed from the provided information.
Supplier typeThe supplier is described as a combined business entity and limited company, operating in industrial equipment, components, tools, hardware, metallurgy, machinery, construction, and related sectors. Its stated product range is centered on castings, ductile iron products, manhole and municipal products, valves, flanges, and aluminum parts.
CertificationsThe supplier explicitly reports an ISO 9001:2015 certificate and states that it is TUV, BSI Kitemarked, SGS, BV, FM certified, and WRAS listed. These statements provide direct evidence of multiple quality, product, or compliance credentials, although the specific scope and validity of each additional credential are not detailed.
Production capacityProduction capability is supported by a reported 67,275.83 m² manufacturing plant, six production lines, automatic moulding equipment, CNC machining centers, laboratory facilities, in-house tooling, and 21–30 quality-control staff. The supplier also reports one-month fulfillment timing in both peak and off-peak seasons and serves multiple export regions.
Customization capabilityThe supplier lists OEM industrial castings and maintains in-house pattern and tooling shops, which directly supports the ability to develop or manufacture customer-specific cast components. Nevertheless, no examples, minimum requirements, engineering workflow, or documented customization projects are provided.
Product Q&A
Q:What is the size range of the valve?
A:
The valve is available in sizes from DN40 to DN1200.
Q:What is the working pressure rating?
A:
It is designed for high pressure applications ranging from 10.0MPa to 80.0MPa.
Q:What materials are used for the valve body and disc?
A:
The body is made of GGG50, while the disc and shaft are made of Stainless Steel.
Q:What certifications does the product hold?
A:
The product is ISO9001:2015, TUV, BSI Kitemarked, SGS, BV, FM, UL, and WRAS certified.
Q:How is the valve operated?
A:
It features a simple 90-degree rotation mechanism for quick and easy opening and closing.
Send Inquiry
*To:
SYI Industrial Co., Ltd.
SYI Industrial Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
DIN/ANSI Lug Type Electric Cast Iron Ggg40 Gg25 EPDM Lug Ductile Iron Wafer Butterfly Valve
US$15.00-20.00
10 Pieces(MOQ)
Lug Butterfly Valve Soft Seated ANSI/DIN/JIS Ductile Iron
US$10.00
1 Piece(MOQ)
China Factory DN150 Lug Type Manual Butterfly Valve Price
US$5.00-600.00
1 Piece(MOQ)
Cast Iron Steel Full PTFE Lined Flange End Wafer Type Butterfly Valve
US$29.00-654.00
2 Sets(MOQ)
Soft Seat Ductile Cast Iron Gate Valve/Check Valve/Butterfly Valve
US$25.68-200.00
2 Pieces(MOQ)
DELCO Wafer Type Cast Iron Rubber Seat Manual Butterfly Valve for Water
US$69.00-199.00
1 Piece(MOQ)
Industrial Manual DN65/DN80/DN100/DN250 Flanged Type Butterfly Valve with EPDM Seat
US$16.00-20.00
1 sets(MOQ)
DN200 Factory Price Ductikle Iron Rubber Lined Concentric Butterfly Valve
US$27.00-31.00
1 Piece(MOQ)
Ductile Iron Double Eccentric Butterfly Valve Flanged Type DN100-DN2000 Pn16 for Water Supply
US$3,158.00-3,298.00
1 Piece(MOQ)
Bare Stem Shaft DN100 Ductile Iron PTFE Seat Wafer Butterfly Valve
US$16.00-20.00
1 Piece(MOQ)
Ductile Cast Iron Ci Body Hand Wheel Wafer Butterfly Valve Dn250 Pn16
US$600.00-800.00
1 Ton(MOQ)
China Suppliers Manufacturers CE Certificate Ductile Iron Cast Iron Wafer or Lug Type Butterfly Valve
US$10.00-90.00
1 Piece(MOQ)



















