Powered by Made-in-China.com
Ductile Iron Grooved Fittings Rigid Coupling
US$50.00
100-9,999 Pieces
US$5.00
10,000+ Pieces
Sample price:US$0.00/piece.Request sample
Product profile
Customization
AvailableConnection
Grooved, Fixed and Assembled by Rubber and BoltsFlexible or Rigid
RigidModel NO.
castingMaterial
Ductile IronStandard
StandardNominal Size
1"-12"Surface Treatment
Epoxy, Painted, GalvanizedColor
Red,Orange,Blue or as Your RequestTransport Package
Carton, Wooden CasesSpecification
SGSTrademark
MINGDAOrigin
Hebei ChinaHS Code
7201100000Production Capacity
3000piece/MonthKey features
Ductile Iron Material: Constructed from high-strength ductile iron for durability.
Wide Size Range: Available in nominal sizes from 1 inch to 12 inches (DN25-300).
Customizable Colors: Colors available in red, orange, blue, or as per customer request.
Multiple Surface Treatments: Options include epoxy, painted, and galvanized finishes.
Easy Assembly: Designed for easy assembly and disassembly with rubber and bolts.
High Pressure Rating: Rated for working pressure up to 300 PSI (2.07 MPa).
Fire Protection Application: Specifically designed for connecting fire protection pipes.
Fast Lead Time: Average lead time within 15 working days for both peak and off-peak seasons.
Company profile
Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2007-10-22Nearest Port: Tianjin Port, Qingdao PortAverage Response Time: ≤24hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, EXW
AI-Powered supplier vetting
SummaryHebei Mingda International Trading Co., Ltd. is a China-based limited trading company also identified as a manufacturer/factory, operating from Hebei. Its offering centers on castings, forgings, machining parts, valves, flanges, pipe fittings, and related fabricated components. The supplier reports exporting since 2007, with 90% of sales from exports and markets spanning multiple regions. Production evidence includes more than 10 production lines, stated casting outputs, 21–30 quality-control staff, and TS 16949 and ISO 9001 certifications. It describes capabilities in multiple casting processes and CNC machining, including production from customer drawings. Evidence is insufficient to assess after-sales service, financial credibility, and customer cases; innovation capability is also only partially evidenced through engineering resources and process development claims.
Supplier typeThe supplier is identified as a limited company based in Shijiazhuang, Hebei, China, with its business nature described as a trading company and its entity type also listed as Trading Company, Manufacturer/Factory. Its product and factory-related information supports a combined trading and manufacturing profile.
CertificationsThe supplier reports holding TS 16949 and ISO 9001 management-system certifications. These are explicit certifications relevant to quality and automotive-related management systems, although no certificate scope, issuing body, or validity dates are provided.
R&D capabilityThe supplier reports 11–20 years of R&D engineer experience, multiple production processes including lost-wax and lost-foam casting, and efforts to improve production crafts and quality control. These indicate process-development capability, but there is no explicit evidence of patents, proprietary technologies, formal innovation projects, or new-product development results.
Production capacityProduction capability is supported by more than 10 production lines, 21–30 quality-control staff, stated annual casting outputs, and experience with resin sand, sand molding, hot-core-box, lost-wax, lost-foam, and machining processes. The supplier also reports off-peak lead times within 15 workdays and broad export coverage, indicating established operational capacity.
Customization capabilityThe supplier explicitly states that it makes parts according to customer drawings and offers casting, forging, CNC turning, CNC milling, surface grinding, CNC engraving, and other machining services. Its listed products and processes support customized components across several materials and applications.
Product Q&A
Q:What is the working pressure rating?
A:
The rigid coupling has a working pressure rating of 300 PSI or 2.07 MPa.
Q:What materials are used for the coupling?
A:
The product is made of ductile iron with a rubber and bolt assembly.
Q:Can the color be customized?
A:
Yes, colors are available in red, orange, blue, or can be customized according to your requirements.
Q:What surface treatments are available?
A:
Surface treatments include epoxy, painted, and galvanized finishes.
Q:What is the size range of the product?
A:
The nominal size ranges from 1 inch to 12 inches (DN25-300).
Send Inquiry
*To:
Hebei Mingda International Trading Co., Ltd.
Hebei Mingda International Trading Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
Ductile Iron Grooved Rigid Pipe Fitting Coupling Connector for Fire Protection System
US$0.20-3.99
100 Pieces(MOQ)
Kanaifu FM UL Ductile Iron Grooved Pipe Fitting Flexible Rigid Coupling for Fire Fighting
US$0.20-3.99
100 Pieces(MOQ)
Ductile Iron Pipe Fittings Fire Protection Grooved Joint Pipe Fittings Flexible Coupling
US$0.74-15.16
50 Pieces(MOQ)
Ductile Iron Grooved Fittings and Rigid Couplings FM, UL, CE
US$0.70-16.00
100 Pieces(MOQ)
Ductile Iron Connecting Pipe Fittings Grooved Pipe Fittings Rigid Couplings Flexible Couplings
US$1.40-1.55
50 Pieces(MOQ)
SDSX Ductile Iron Grooved Pipe Fittings and Rigid Couplings FM, UL, CE
US$0.70-16.00
100 Pieces(MOQ)
Ductile Cast Iron Grooved Fittings Flexible Rigid Coupling with FM UL Certificates
US$0.20-3.99
100 Pieces(MOQ)
Sdsx Ductile Iron Grooved Fitting /Rigid Coupling FM, UL Epoxy Red
US$0.70-16.00
100 Pieces(MOQ)
Sdsx Ductile Iron Grooved Fittings/Rigid Couplings FM, UL and CE
US$0.70-16.00
100 Pieces(MOQ)
FM UL Ductile Iron Grooved Flexible Pipe Fitting Coupling Rigid for Water
US$0.20-3.99
100 Pieces(MOQ)
Water Fire Fighting Grooved Ductile Iron Rigid Flexible Coupling Pipe Fitting
US$0.01-50.00
10 Pieces(MOQ)
Fire Protection Ductile Iron Grooved Pipe Fitting Rigid Flexible Coupling UL/FM/CE
US$0.20-3.99
100 Pieces(MOQ)
FM UL Approved Ductile Iron Grooved Pipe Fitting Rigid Coupling for Water
US$0.20-3.99
100 Pieces(MOQ)
Kanaifu Ductile Iron Grooved Rigid Flexible Pipe Fitting Nipple Coupling for Fire Equipment
US$0.20-3.99
100 Pieces(MOQ)



















