1/4" -4" npt black malleable iron thread flange pipe fittings

1,The equipments from DISA Denmark, DJ AMF Japan, SINTOKOGIO Japan widely used in our malleable iron flange productline, ensures the stability of product quality.

2, We use spectrometer from Oxford Instruments to check the material's quality

3,We use high heat value natural gas annealing furnace, strictly control the annealing process, improve the physical properties of the materials

4,Strictly control the calibre of the thread, parallelism, Angle, tooth type, each live over a plug gauge for testing

5,The pipe fittings have outlets ranging from 1/2” through 2”

6,Good toughness with long working life.

7,Smooth surface without any sand hole

8,avg. thickness of zinc coating is higher than 86 um specified in ASME, EN(70um), DIN(70um), SI(78um)

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.