Groove Coupling Flange Adaptor Suppliers in China
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Product Highlights
- 10-Year Warranty Coverage: Comprehensive 10-year warranty provided for all mechanical equipment and fittings.
- 24-Hour After-Sales Support: Dedicated technical support team available around the clock for immediate assistance.
- Ductile Iron Construction: Housing manufactured from high-grade ductile iron conforming to ASTM A-536, grade 65-45-12.
- Multiple Coating Options: Standard red/orange paint with optional hot-dipped galvanized or electro-galvanized finishes.
- FM, UL, and CE Certified: Product meets international safety and quality standards with FM, UL, and CE certifications.
- Customizable Pressure Ratings: Available in PN16 and Class150 pressure ratings to suit various system requirements.
- Wide Size Range: Sizes available from 2 inches (60.3mm) up to 12 inches (323.5mm) for diverse applications.
- OEM and ODM Services: Full OEM and ODM capabilities available for custom branding and specific manufacturing needs.
Product Attributes
- Customization
- Available
- After-sales Service
- 24 Hours
- Warranty
- 10 Years
- Model NO.
- XGQT08
- Connection
- Grooved
- Shape
- Equal
- Head Code
- Round
- Angle
- 90 Degree
- Wall Thickness
- Sch10
- Material
- Iron
- Technics
- Casting
- Certification
- FM, UL, CE
- Color
- Red
- Coating
- Epoxy, Painted, Galv. Dacromet
- Pressure
- Pn16 Class150
- Delivery Time
- 15-30 Days
- Bolts&Nuts
- Grade 8.8
- Transport Package
- Cartons with Plywood Pallets, Crate
- Specification
- 2"-12"
- Trademark
- SDSX
- Origin
- China
- HS Code
- 73071100
- Production Capacity
- 100000 Tons
- Package Size
- 34.50cm * 34.50cm * 15.00cm
- Package Gross Weight
- 15.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Groove Coupling Flange Adaptor Suppliers in China
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Product Description
Description
They are available in sizes 60.3mm (2") through 323.5mm (12")


Material Specification
Housing: Ductile iron conforming to ASTM A-536, grade 65-45-12.
Standard Roll Groove Specifications-Steel and other IPS pipe
| Size | Gasket Seat | Grv.Width | Grv.Diameter C | Grv.Depth | Min.Wall | Max.Flare | ||||
| Nominal Dia. | Actual O.D. | Tolerance | A | B | Std. | Tolerance | D(Ref) | T | F | |
| DN Inches |
mm Inches |
mm Inches |
mm Inches |
±0.76mm ±0.03In. |
±0.76mm +0.03In |
mm Inches |
mm Inches |
mm Inches |
mm Inches |
mm Inches |
| 20 3/4 |
26.9 1.050 |
0.25 0.01 |
0.25 0.01 |
15.88 0.625 |
7.14 0.281 |
23.83 0.938 |
-0.38 -0.015 |
1.42 0.056 |
1.65 0.065 |
29.2 1.15 |
| 25 1 |
33.4 1.315 |
0.33 0.013 |
0.33 0.013 |
15.88 0.625 |
7.14 0.281 |
30.23 1.19 |
-0.38 -0.015 |
1.6 0.063 |
1.65 0.065 |
36.3 1.43 |
| 32 1 1/4 |
42.4 1.660 |
0.041 0.016 |
0.041 0.016 |
15.88 0.625 |
7.14 0.281 |
38.99 1.535 |
-0.38 -0.015 |
1.6 0.063 |
1.65 0.065 |
45 1.77 |
| 40 1 1/2 |
48.3 1.900 |
0.048 0.019 |
0.048 0.019 |
15.88 0.625 |
7.14 0.28 |
45.09 1.775 |
-0.38 -0.015 |
1.6 0.063 |
1.65 0.065 |
51.1 2.01 |
| 50 2 |
57.0 2.250 |
0.57 0.022 |
0.57 0.022 |
15.88 0.625 |
8.74 0.344 |
53.85 2.12 |
-0.38 -0.015 |
1.6 0.063 |
1.65 0.065 |
59.7 2.35 |
| 50 2 |
60.3 2.375 |
0.61 0.024 |
0.61 0.024 |
15.88 0.625 |
8.74 0.344 |
57.15 2.25 |
-0.38 -0.015 |
1.6 0.063 |
1.65 0.065 |
63 2.48 |
| 65 2 1/2 |
73.0 2.875 |
0.74 0.029 |
0.74 0.029 |
15.88 0.625 |
8.74 0.344 |
69.09 2.72 |
-0.46 -0.018 |
1.98 0.078 |
2.11 0.083 |
75.7 2.98 |
| 65 2 1/2 |
76.1 3.000 |
0.76 0.03 |
0.76 0.03 |
15.88 0.625 |
8.74 0.344 |
72.26 2.845 |
-0.46 -0.018 |
1.98 0.078 |
2.11 0.083 |
78.7 3.1 |
| 80 3 |
88.9 3.500 |
0.89 0.089 |
0.79 0.031 |
15.88 0.625 |
8.74 0.344 |
84.94 3.344 |
-0.46 -0.018 |
1.98 0.078 |
2.11 0.083 |
91.4 3.6 |
| 90 3 1/2 |
101.6 4.000 |
1.02 0.04 |
0.79 0.031 |
15.88 0.625 |
8.74 0.344 |
97.38 3.834 |
-0.51 -0.02 |
2.11 0.083 |
2.11 0.083 |
104.1 4.1 |
| 100 4 |
108.0 4.250 |
1.07 0.042 |
0.79 0.031 |
15.88 0.625 |
8.74 0.344 |
103.73 4.084 |
-0.51 -0.02 |
2.11 0.083 |
2.11 0.083 |
110.5 4.35 |
| 100 4 |
114.3 4.500 |
1.14 0.045 |
0.79 0.031 |
15.88 0.625 |
8.74 0.344 |
110.08 4.334 |
-0.51 -0.02 |
2.11 0.083 |
2.11 0.083 |
116.8 4.6 |
| 120 4 1/2 |
127 5.000 |
1.27 0.05 |
0.79 0.031 |
15.88 0.625 |
8.74 0.344 |
122.78 4.834 |
-0.51 -0.02 |
2.11 0.083 |
2.41 0.095 |
129.5 5.098 |
| 125 5 |
133.0 5.250 |
1.32 0.052 |
0.79 0.031 |
15.88 0.625 |
8.74 0.344 |
129.13 5.084 |
-0.51 -0.02 |
2.11 0.083 |
2.77 0.109 |
135.9 5.35 |
| 125 5 |
139.7 5.500 |
1.42 0.056 |
0.79 0.031 |
15.88 0.625 |
8.74 0.344 |
135.48 5.334 |
-0.51 -0.02 |
2.11 0.083 |
2.77 0.109 |
142.2 5.6 |
| 125 5 |
141.3 5.563 |
1.42 0.056 |
0.79 0.031 |
15.88 0.625 |
8.74 0.344 |
137.03 5.395 |
-0.56 -0.022 |
2.13 0.084 |
2.77 0.109 |
143.8 5.66 |
| 6 6OD |
152.4 6.000 |
1.42 0.056 |
0.79 0.031 |
15.88 0.625 |
8.74 0.344 |
148.08 5.83 |
-0.56 -0.022 |
2.16 0.085 |
2.77 0.109 |
154.9 6.1 |
| 150 6 |
159.0 6.250 |
1.6 0.063 |
0.79 0.031 |
15.88 0.625 |
8.74 0.344 |
154.5 6.082 |
-0.56 -0.022 |
2.16 0.085 |
2.77 0.109 |
161.3 6.35 |
| 150 6 |
165.1 6.500 |
1.6 0.063 |
0.79 0.031 |
15.88 0.625 |
8.74 0.344 |
160.9 6.334 |
-0.56 -0.022 |
2.16 0.085 |
2.77 0.109 |
167.6 6.6 |
| 150 6 |
168.3 6.625 |
1.6 0.063 |
0.79 0.031 |
15.88 0.625 |
8.74 0.344 |
163.96 6.455 |
-0.56 -0.022 |
2.16 0.085 |
2.77 0.109 |
170.9 6.73 |
| 200 8 |
216.3 8.500 |
1.6 0.063 |
0.79 0.031 |
19.05 0.75 |
11.91 0.469 |
211.61 8.331 |
-0.64 -0.025 |
2.34 0.092 |
2.77 0.109 |
220.7 8.69 |
| 200 8 |
219.1 8.625 |
1.6 0.063 |
0.79 0.031 |
19.05 0.75 |
11.91 0.469 |
214.4 8.441 |
-0.64 -0.025 |
2.34 0.092 |
2.77 0.109 |
223.5 8.8 |
| 250 10 |
267.4 10.500 |
1.6 0.063 |
0.79 0.031 |
19.05 0.75 |
11.91 0.469 |
262.6 10.339 |
-0.69 -0.027 |
2.39 0.094 |
3.4 0.134 |
271.8 10.7 |
| 250 10 |
273.0 10.750 |
1.6 0.063 |
0.79 0.031 |
19.05 0.75 |
11.91 0.469 |
268.28 10.562 |
-0.69 -0.027 |
2.39 0.094 |
3.4 0.134 |
277.4 10.92 |
| 300 12 |
318.4 12.500 |
1.6 0.063 |
0.79 0.031 |
19.05 0.75 |
11.91 0.469 |
312.9 12.319 |
-0.76 -0.03 |
2.77 0.109 |
3.96 0.156 |
322.8 12.71 |
| 300 12 |
323.9 12.750 |
1.6 0.063 |
0.79 0.031 |
19.05 0.75 |
11.91 0.469 |
318.29 12.531 |
-0.76 -0.03 |
2.77 0.109 |
3.96 0.156 |
328.2 12.92 |
| ·Pipe standard OD and tolerance OD:Confirmed before rolling the groove pipe ,if not, then the pipe is not suitable for rolling groove; ·Sealing surface A:confirm the sealing surface size in line with the requirements of the above table, if it is too large, it will affect the joint installation, too small will affect |
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Showroom
Application

Package and shipment

Production and quality control
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASI235161". Items marked "" are certified.
Company Profile
Shandong Shengxin Pipe Industry Co., Ltd (SDSX), located in Changle weifang known as Diamond City in China, is a specialized in GROOVED FITTINGS AND COUPLINGS distribution system research and development and production of modern enterprises.
SDSX has 1 Danish DISA casting production line (D3), 1 Wale casting production line, 3 medium frequency electric furnaces of 5 tons and 2 medium frequency electric furnaces of 2 tons. Plastic coating production line 1, the annual production capacity of more than 100, 000 tons, formed a collection of pipe, pipe fittings casting production, mechanical processing to plastic coating packaging, sales in one of the modern enterprise.
We introduced Denmark DISA vertical molding line, and newly developed energy-saving smelting equipment, which makes beautiful casting appearance without defects, effectively solve the problems of water leakage after installation.
Since its inception, the company has been in line with high-tech, high starting point, high requirements, large-scale business strategy, while learning from American technology, strict implementation of the national standard GB5135.11-2006 design and production. Grooved fittings and couplings are widely used in fire fighting, air-conditioning, water supply, sewage, cement, low-pressure steaming, mine piping and ordinary piping delivery. SDSX is spreading all over the world and winning the appreciations from users at home and abroad.
SDSX has more than three hundred employees, including over one hundred technical professionals, one doctor, three masters, eight senior engineers. We have unique R&D department and advanced high level quality testing lab to provide OEM service for customers.
All the products have passed the type test of the national fixed fire extinguishing system and the quality supervision and inspection center of refractory components
Obtained a number of utility model and design patent certificates
It is a member of Shandong Fire Protection Association and Shandong Foundry Association
It is a member of Shandong Fire Protection Association and Shandong Foundry Association
In 2016, it was certified by CE of EU
Obtained FM certification in 2017. Apply for KC certification in Korea and pass BS6920 test in UK by Hong Kong Water Supplies Department
2021 R&D Center of Weifang Industrial Enterprise "One Enterprise One Technology
SDSX promise to supply customers with good and stable quality and short delivery time. Looking forward to our pleased cooperation.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- 500m south of the government residence of Changle County, Weifang City, Shandong Province
-
Plant Area
- 16922 square meters
-
Number of Employees
- 49
-
Registered Capital
- 38,780,000 RMB
-
Terms of Payment
- LC, T/T
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: one month -
Nearest Port
- Qingdao Port
Our Production Capability & Technical Expertise
-
Main Products
- Grooved Fittings and Couplings
-
Production Machines
- Smelting line, Spheroidization line, Casting line, Molding machine, Insulation line, Shot blasting machine, CNC lathe, Spraying line
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 2 people
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2013-03-22
- Export Year
- 2021-04-01
-
Main Markets
- Southeast Asia/ Mideast, East Asia(Japan/ South Korea)
-
Number of Foreign Trading Staff
- 3
-
Overseas Agent/Branch
- No
Our Certifications, Standards & Industry Recognition
-
Product Certification
- CE, UL, Others
FAQ
- What is the warranty period for this product?
- We provide a comprehensive 10-year warranty for all our mechanical equipment and fittings.
- Do you offer after-sales support?
- Yes, we offer 24-hour after-sales service to ensure your operations run smoothly.
- What material is used for the housing?
- The housing is made of ductile iron conforming to ASTM A-536, grade 65-45-12.
- What coating options are available?
- Standard options include red and orange paint, with optional hot-dipped or electro-galvanized coatings.
- What certifications does the product have?
- Our products are certified by FM, UL, and CE, ensuring compliance with international standards.
- Can the pressure rating be customized?
- Yes, we offer customizable pressure ratings including PN16 and Class150.
- What is the delivery time for orders?
- The standard delivery time is 15 to 30 days, depending on order volume and season.
- Do you provide OEM and ODM services?
- Yes, we offer both OEM and ODM services to meet your specific manufacturing and branding needs.
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