6″ best China in Medan Indonesia Galvanized Grooved Flexible Coupling with top quality


We – EPG Group the bigge EPT gearbox & motors , vee pulleys, timing pulleys, couplings and gears factory in China with 5 different branches. For more details: Mobile/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778 0571 88828

Ductile Iron Pipe Fittings Grooved Coupling 

Product Details         FM/UL/CE Ductile Iron Grooved Fittings for Fire protection System


Material Ductile ca EPT 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 Pressure 300PSI
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 type 1) 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



• XIHU (WE EPT LAKE) DIS. 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 HangZhou EPT casting lines , One DISAMATIC 3 molding line from Denmark, the production process use fully automatic in tel: +86~13 0571 88828ligent 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 ”XIHU (WE EPT LAKE) DIS.” to be a brand you can trust.

Te EPT and Certificate

• 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 te EPT is applied on fittings.

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

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

Production Flow and EPT Disa Production Line 

Large Warehouse 
Ensure the stability of supply and the speed of delivery

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 detail normally within 15days,depending on order quantity.

Sincerely Service

Welcome to our factory and waiting for meet you on the fire protection exhibition.

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 HangZhou 
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 HangZhou City, ZheJiang 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 ,mo EPT samples are free to send to mo EPT places in China. If sent to EPT countries, transport fee should be paid by you.

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

We – EPG Group the bigge EPT gearbox & motors , vee pulleys, timing pulleys, couplings and gears factory in China with 5 different branches. For more details: Mobile/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778 0571 88828

The use of original equipment manufacturer’s (OEM) part numbers or trademarks , e.g. CASE® and John Deere® are for reference purposes only and for indicating product use and compatibility. Our company and the listed replacement parts contained herein are not sponsored, approved, or manufactured by the OEM.