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Flexible Expansion Joint NBR Flexible Rubber Expansion Controle Joint Flange
US$100.00
50-99 Pieces
US$10.00
100+ Pieces
Sample price:US$100.00/piece.Request sample
Product profile
Customization
AvailableStandard
ANSI, DIN, GB, JIS, GOST, BSWType
Threaded Connection FlangeModel NO.
LD/MD/HDMaterial
Carbon SteelStructure
RoundConnection
FlangedSealing Surface
RFManufacturing Way
ForgingProduct
Forged FlangeTypes
Pl, So, Sw, Bl, Wn etc.Flange Facing
Raised Face/Flat Face/Ring Joint etcStandard Finish
Stock Finish/Spiral Serrated/Smooth Finish etcSurface
Light Oiled/Galvanization/PaintNDT
Ut, Mpi, X-ray etcDelivery Time
on Time DeliveryQuality
Excellent QualityPrice
CompetitiveTransport Package
Standard Export Package or as Per Your RequirementSpecification
ANSI/DIN/EN/NFE/AS/JISTrademark
SYIOrigin
ChinaProduction Capacity
1200 Ton/ MonthKey features
Wide Standard Coverage: Manufactured according to ASTM, ANSI, MSS, DIN, GOST, BS, EN, ISO, and NACE standards.
Extensive Size Range: Capable of manufacturing flanges from DN10 to DN3000 using free forging or plate cutting.
Diverse Material Options: Available in Carbon steel, Alloy steel, Stainless steel, Low Temp, and High Yield materials.
Multiple Flange Types: Offers Weld Neck, Slip On, Blind, Threaded, Lap Joint, Socket Weld, and Ring types.
Customizable Surface Finish: Options include Stock Finish, Spiral Serrated, Smooth Finish, Light Oiled, Galvanization, and Paint.
Comprehensive NDT Services: Provides Ultrasonic Testing (UT), Magnetic Particle Inspection (MPI), and X-ray inspection.
OEM and ODM Services: Accepts OEM drawings and samples for custom manufacturing with available ODM services.
Industry Specialization: Serves demanding industries including Oil & Gas, Petrochemical, Chemical, and HVAC sectors.
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: ≤6.18h 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 standards do your flanges comply with?
A:
We manufacture flanges in accordance with ASTM, ANSI, MSS, DIN, GOST, BS, EN, ISO, and NACE standards.
Q:What is the size range for your flanges?
A:
We can manufacture flanges ranging from DN10 to DN3000 using free forging or plate cutting methods.
Q:What materials are available for the flanges?
A:
Available materials include Carbon steel, Alloy steel, Stainless steel, Low Temp, High Yield, and others as specified.
Q:Do you accept custom drawings or samples?
A:
Yes, we accept OEM drawings and samples for custom manufacturing of flanges.
Q:What surface finishes are offered?
A:
We offer Stock Finish, Spiral Serrated, Smooth Finish, Light Oiled, Galvanization, and Paint.
Send Inquiry
*To:
SYI Industrial Co., Ltd.
SYI Industrial Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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