Grooved Rigid/Flexible Coupling Fire Fighting Grooved Fittings DN50 - DN200 Ductile Iron Pipe Fittings

Fire Protection Groove Lock Pipe Fittings , Groove Lock Coupling GB7306 Thread

1.We use Oxford Instruments spectrometer to check the chemical composition for every heat, components conform to the requirements of the

process before the iron.

2. Each casting ladle pouring tap on a block, tapping experiment was carried out, judge the inoculation

3. Ball reaction after strict control of pouring time, must complete pouring in 9 minutes, use time alarm system, overtime alarm, to prevent a

spheroidizing recession phenomenon

4. Strictly control the size of the groove, ensure compliance with standards

5. EPDM seal USES the domestic first-class manufacturer, has excellent weather resistance, ozone resistance, heat resistance, acid and alkali

resistance, water vapor, color stability, electronic, oily and normal temperature liquid filling.

6. Grooved fittings surface coating epoxy resin, improve the ability to resist corrosion

7. Is advantageous to the construction safety, the system stability is good, easy maintenance

8. Each furnace batch has the traceability

9. The pipe fittings have outlets ranging from 1” through 24”

25 Years Experience
Leyon steel also known as “China malleable”. For these 25 years, Leyon is always focusing on research and development of malleable iron fittings, grooved fittings, grooved couplings, tubing and valves that are mainly applied in such industries as fire protection, water supply, construction industry, municipal engineering and petrochemical.

Currently, Leyon is one of the largest pipe fittings manufacturers in the world, and is dedicated to provide secure, reliable and cost effective pipe fittings, with large products capacity, superior quality, strong R&D strength and first class service.

Our main production facilities include Sinto automatic molding line, automatic molding sand mixers from Germany, cupola furnaces, electric furnaces and more.

Leyon is also ISO 9001:2008-, BSI-, CCC-, UL- and FM-certified, furthermore, we were named as the Shanxi Famous brand.

Inquire Today
We look forward to cooperating with you in the near future. If you are interested in our products, please contact us. We expect to realize a win-win situation in our cooperation with your company.