G.I Pipes

All galvanised pipes manufactured by us are bead scarfed and tested hydraulically to a pressure of 50 Kg/cm2 (700 PSI). Galvanised pipes produced by the company are marked with colour bands as follows for their class identification as per the guidelines of NS (Nepal Standard) and BIS (Bureau of Indian Standards), BSI (British Standard Institution).

GALVANZED AND BLACK STEEL PIPES FOR ORDINARY USES IN WATER, GAS AIR & STEAM LINES
Type	Nominal Bore		Wall Thickness	Approx	Weight of Black Pipe Plain end	Weight of Galvanized Pipe Threaded & Socketed
Class	mm	Inch	mm	mm	Kg/m	Kg/m
	NB	NB	t	OD	M	M
Light 'A'	15.00	1/2	2.00	21.30	0.92	1.01
	20.00	3/4	2.30	26.90	1.41	1.48
	25.00	1	2.60	33.70	2.01	2.11
	32.00	11/4	2.60	42.40	2.58	2.72
	40.00	11/2	2.90	48.30	3.25	3.41
	50.00	2	2.90	60.30	4.11	4.33
	65.00	21/2	3.20	76.20	5.80	6.11
	80.00	3	3.20	88.90	6.81	7.21
	100.00	4	3.60	114.30	9.89	10.49
MEDIUM 'B'	15.00	1/2	2.60	21.30	1.22	1.28
	20.00	3/4	2.60	26.90	1.58	1.65
	25.00	1	3.20	33.70	2.44	2.54
	32.00	11/4	3.20	42.40	3.14	3.27
	40.00	11/2	3.20	48.30	3.61	3.77
	50.00	2	3.60	60.30	5.10	5.32
	65.00	21/2	3.60	76.20	6.51	6.82
	80.00	3	4.00	88.90	8.47	8.87
	100.00	4	4.50	114.30	12.10	12.69
	125.00	7.04	8.96	130.27	21.49	6.16
	150.00	6	4.80	165.10	19.20	20.00
HEAVY 'C'	20.00	3/4	3.20	26.90	1.90	1.97
	25.00	1	4.00	33.70	2.97	3.07
	32.00	11/4	4.00	42.40	3.84	3.97
	40.00	11/2	4.00	48.30	4.43	4.59
	50.00	2	4.50	60.30	6.17	6.39
	65.00	21/2	4.50	76.20	7.90	8.21
	80.00	3	4.80	88.90	10.10	10.52
	100.00	4	5.40	114.30	14.40	15.44
	125.00	5	5.40	139.70	17.80	18.52
	150.00	6	5.40	165.10	21.20	22.22
	175.00	7	5.10	193.70	24.00	24.50
	175.00	7	6.00	193.70	28.00	28.50
200 mm GALVANIZED AND BLACK STEEL PIPES (Detailed specification on request)
	200.00	8	5.20	219.10	27.71	29.20
	200.00	8	6.00	219.10	31.82	33.20
	200.00	8.2	8.00	219.10	42.50	43.50

Ref standard NS 199 (Galvanised pipe only), IS 1239, BS 1387, See Tolerances page
Reference standard IS 3589-1981 for (*) marked
Pipes are also available with Flange joint or grooved coupling