Shandong, China
Business Type:
Export Year:
Main Markets:
North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, ...
OEM/ODM Service
Sample Available

Grooved Fittings, Pipe Fittings, Clamp manufacturer / supplier in China, offering Grooved Flexible Clamp & Coupling for Fire Spinkler System, UL Listed FM Approval Ductile Iron Reducer Tee 2 1/2′′x1 1/2′′, Ductile Iron 3′′ Pipe Fitting Shouldered Flexible Coupling and so on.

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Supplier Homepage Products Coupling Grooved Flexible Clamp & Coupling for Fire Spinkler System

Grooved Flexible Clamp & Coupling for Fire Spinkler System

Min. Order / Reference FOB Price
1,000 Pieces US $0.87-18/ Piece
Port: Qingdao, China
Production Capacity: 50000tons /Year
Payment Terms: L/C, T/T
Connection: Grooved or Threaded
Structure: Universal
Flexible or Rigid: Rigid
Material: Ductile Iron ASTM a-536 Grade 65-45-1
Standard: Standard
Gasket Material: EPDM

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Basic Info.

Model NO.
Bolts and Nuts
ISO 898-1 Class8.8
Working Pressure
2.07 MPa/300psi
Surface Treatment
Epoxy-(Red)Ral3000, Epoxy-Orange, Epoxy Powder Pai
Transport Package
Carton on Pallets
HS Code
Product Details

Grooved Flexible Clamp & Coupling for Fire Spinkler System
MaterialDuctile cast iron conforming to ASTM A-536, Grade 65-45-12
Surface Treatment Epoxy powder coating (Red color- RAL3000; Orange)Optional: Galvanized (Zinc Plated, HDG Or Dip painted)
Size 1"-12"
Working Pressure300PSI
Cerification ISO 9001:2008,FM,UL,CCC and CE approved
Connect End Type  Grooved end ,Thread end 
Technology Casting
Payment by T/T,L/C
Structure type1) Rigid Coupling,Flexible Coupling, Reducing Flexible Coupling
2) Long Radius and Short Radius Elbow (90°/45°/22.5°/11.25°)
3) Equal Tee, Grooved Reducing Tee, Grooved Reduing Tee(Threaded outlet)
4) Grooved Mechanical Tee,Grooved Mechanical Cross
5) Equal Cross, Grooved Reducing Cross
6) Grooved Reducer, Threaded Reducer
7) Adapter Flange, Grooved Split Flange
8) Cap,End Cap
Grooved Flexible Clamp & Coupling for Fire Spinkler System

Our Factory

Grooved Flexible Clamp & Coupling for Fire Spinkler System


• LUYUAN FIRE TECHNOLOGY is a large-scale manufacturer specialized in production of Ductile  iron Grooved coupling and fittings .We have 350 employees, including 185 professional technicians, 15 senior engineers. Annual capacity is over 30000 Tons. 

• Products are on sale over 300 cities of China and exported to the United State, South Africa and more than 30 countries and areas.

• Our factory have two autoEuropematic Baoding Well casting lines , One DISAMATIC 3 molding line from Denmark, the production process use fully automatic intelligent control system, we have CNC lathe, Mold machining center, Automatic coating and packaging line and so on. 

• With Many years experience manufacturing pipe joining system products, we've created ''LUYUAN'' to be a brand you can trust.

Test and Certification

Grooved Flexible Clamp & Coupling for Fire Spinkler System

• Products tests include thorough and continuous production inspection and regular performance tests. The production inspection is following ISO9001:2000 Quality Management System. The performance testes are running in accordance with UL213, AWWA C606 and GB5135.11, GB8259 requirements.

• Casting material is inspected by spectrometer and physical analysis,computerized spectrographic and carbon-sulphur analysis. Tensile, metallographic and impact tests are performed Daily.

• The production inspection include in-coming inspection, process inspection and final inspection, covers material.

• Surface and dimension check. All those steps are running for each heat number material. Besides,100% leakage test is applied on fittings.

• The performance tests include sealing, hydrostatic pressure, bending moment test, hot/cold temperature

• gasket test, water hammer test and fire exposure test.

Production Flow and Advance Disa Production Line 

Grooved Flexible Clamp & Coupling for Fire Spinkler System
Grooved Flexible Clamp & Coupling for Fire Spinkler System

Package and Delivery
Packaging In poly wooden case,or in carton on the poly wooden pallets,we can pack products as per custmon's requirement.
Delivery detailnormally within 15days,depending on order quantity.

Grooved Flexible Clamp & Coupling for Fire Spinkler System
Large Warehouse 
Ensure the stability of supply and the speed of delivery
Grooved Flexible Clamp & Coupling for Fire Spinkler System

Sincerely Service

Welcome to our factory and waiting for meet you on the fire protection exhibition.
 Grooved Flexible Clamp & Coupling for Fire Spinkler System

1.What is your MOQ?
 Our MOQ is usually 1 pallet.
2.What is your delivery time?
 The time of delivery is around 20-30days.
3.What is the shipping port?
  We ship the goods via Qingdao 
4.What is your payment terms?
  We accept 30% T/T in advance,70% in the period of shipment or 100% L/C.
5.How should I contact you?
  You can send us an email by click Contact Supplier bottom.
6.What is the location of your factory?
  Our factory is located in Weifang City, Shandong Province, China.
If you would like to have a visit, you are much welcome.
7.How about the samples?
 We could send you the samples ,most samples are free to send to most places in China. If sent to other countries, transport fee should be paid by you.

With mature and advance technology, quality product, prudent working style, we believe we will be your best supplier!



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Ms. Ellen Liu