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1/4" -4" npt black malleable iron thread flange pipe fittings
Size | Inch | 1/4 | 3/8 | 1/2 | 3/4 | 1 | 11/4 |
mm | 8 | 10 | 15 | 20 | 25 | 32 | |
Dim. (mm) | A | 12 | 14 | 14 | 16 | 17 | 19 |
Size | Inch | 11/2 | 2 | 21/2 | 3 | 4 | |
mm | 40 | 50 | 65 | 80 | 100 | ||
Dim. (mm) | A | 22 | 25 | 26.2 | 27.3 |
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)
Size | 1/8"-6" | ||
Finishing | Hot Dipped Galvanized, Electro Galvanized, Epoxy, Black | ||
Threads | DIN, BS, NPT, G Thread, Metric | ||
Shape | Banded, Beaded, Plain | ||
Ribs | with Rib or without Rib | ||
Brand | leyon | ||
Pressure | Class 150, Class 300, PN10, PN16 | ||
Weight | Heavy, Standard, Medium, and Light | ||
Usage | Convey Water, Oil, Gas, Steam and so on | ||
material | malleable iron materail |