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lined pipe, clad pipes, induction bends, Pipe Fittings - Piping System Solutions

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Cangzhou Pipeline System Pipe Technology Co. Ltd

Cangzhou Pipeline System Pipe Technology Co. Ltd
No. 33 Ecomomic Development Zone, Cangzhou, Hebei, China

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June 7, 2025

JIS B2312 Butt weld reducer-weld pipe fittings

JIS B2312 Butt weld reducer-weld pipe fittings

by admin / Tuesday, 07 November 2017 / Published in Pipe Fittings, Reducer
JIS B2312 Butt weld reducers

Specification: Buttweld reducer

•Material:    Carbon steel as PG 370 (JIS G 3454 STPG370)

•Surface:    Black paint    I Galvanized

•Type:    Concentric / Eccentric

sizes of JIS B2312 Butt weld reducer

Size D1 Size D2
DN NPS OD (mm)
20 3/4″ 27.2 DN15
25 1″ 34.0 DN20,DN15
32 1-1/4″ 42.7 DN25,DN20,DN15
40 1-1/2″ 48.6 DN32,DN25,DN20,DN15
50 2″ 60.5 DN40,DN32,DN25,DN20
65 2-1/2″ 76.3 DN50,DN40,DN32,DN25
80 3″ 89.1 DN65,DN50,DN40,DN32
90 3-1/2″ 101.6 DN80,DN65,DN50,DN40,DN32
100 4″ 114.3 DN90,DN80,DN65,DN50,DN40
125 5″ 139.8 DN100,DN90,DN80,DN65,DN50
150 6″ 165.2 DN125,DN100,DN90,DN80,DN65
200 8″ 216.3 DN150,DN125,DN100,DN90
250 10″ 267.4 DN200,DN150,DN125,DN100
300 12″ 318.5 DN250,DN200,DN150,DN125
350 14″ 355.6 DN300,DN250,DN200,DN150
400 16″ 406.4 DN350,DN300,DN250,DN200
450 18″ 457.2 DN400,DN350,DN300,DN250
500 20″ 508.0 DN450,DN400,DN350,DN300

JIS B2312 Butt weld reducer
weld pipe fittings dimensions
weld pipe fittings catalog
carbon steel weld fittings
carbon steel buttweld fittings
stainless steel buttweld fittings
buttweld fittings manufacturer
carbon steel weld fittings dimensions
buttweld fittings vs socket weld fittings

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  • PRODUCTS
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      • CLAD PIPE
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        • ELBOW
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      • Reducer
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