Class 300 Flanges

Class 300 Flanges Specification

Usage
Industrial

Features
Premium Quality

Grade
Multple Grades Available

Fittings
Flanges

Surface
Finished

Class 300 Flanges Trade Information

Minimum Order Quantity
100 Pieces

Payment Terms
Cash in Advance (CID)

Supply Ability
5000 Pieces Per Month

Delivery Time
7 Days

Main Domestic Market
All India

About Class 300 Flanges

DIMENSIONS OF CLASS 150 FLANGES (ANSI B 16.5) (in mm)
Nominal Pipe Size		Flange Dia 'O'	Dia of Bolt Circle 'A'	Dia of Bolt Holes 'D'	No. of Holes	Thk of Flange 'C'	Diameter at Weld Bevel	Dia of Hub 'E'	Length Through Hub			Bore 'B'		Dia of R/F R	Depth of Socket F	Length of Threading
Nominal Pipe Size		Flange Dia 'O'	Dia of Bolt Circle 'A'	Dia of Bolt Holes 'D'	No. of Holes	Thk of Flange 'C'	Diameter at Weld Bevel	Dia of Hub 'E'	S/O & S/W Y	W/N Y	L/J Y	S/O & S/W B	L/J B	Dia of R/F R	Depth of Socket F	Length of Threading
1/2''	15	95.2	66.7	15.9	4	14.3	21.3	38.1	22.2	52.4	22.2	22.3	22.9	34.9	9.5	15.9
3/4''	20	117.5	82.5	19.0	4	15.9	26.7	47.6	25.4	57.1	25.4	27.7	28.2	42.9	11.1	15.9
1''	25	123.8	88.9	19.0	4	17.5	33.5	54.0	27.0	61.9	27.0	34.5	35.0	50.8	12.7	17.5
1 1/4''	32	133.3	98.4	19.0	4	19.0	42.2	63.5	27.0	65.1	27.0	43.2	43.7	63.5	14.3	20.6
1 1/2''	40	155.6	114.3	22.2	4	20.6	48.3	69.8	30.2	68.3	30.2	49.5	50.0	73.0	15.9	22.2
2''	50	165.1	127.0	19.0	4	22.2	60.4	84.1	33.3	69.8	33.3	62.0	62.5	92.1	17.5	25.4
2 1/2''	65	190.5	149.2	22.2	8	25.4	73.1	100.0	38.1	76.2	38.1	74.7	75.4	104.8	19.0	28.6
3''	80	209.5	168.3	22.2	8	28.6	88.9	117.5	42.9	79.4	42.9	90.7	91.4	127.0	20.6	30.2
3 1/2''	90	228.5	184.2	22.2	8	30.2	101.6	133.4	44.5	81.0	44.5	103.4	104.1	140.0	20.6	31.7
4''	100	254.0	200.0	22.2	8	31.8	114.3	146.0	57.6	85.7	47.6	116.1	116.8	157.2	23.8	33.3
5''	125	279.4	234.9	22.2	8	34.9	141.2	177.8	50.8	98.4	50.8	143.8	144.5	185.7		36.5
6''	150	317.5	269.9	22.2	12	36.5	168.4	206.4	52.4	98.4	52.4	170.7	171.4	215.9		39.7
8''	200	381.0	330.2	25.4	12	41.3	219.2	260.3	61.9	111.1	61.9	221.5	222.2	269.9		44.4
10''	250	444.5	387.3	28.6	16	47.6	273.0	320.7	66.7	117.5	95.2	276.3	277.4	323.8		49.2
12''	300	520.7	450.8	31.7	16	50.8	323.8	374.6	73.0	130.2	101.6	327.1	328.2	381.0		55.6
14''	350	584.2	514.3	31.7	20	54.0	355.6	425.4	76.2	142.9	111.1	359.1	360.2	412.7		57.1
16''	400	647.7	571.5	34.9	20	57.2	406.4	482.6	82.5	146.0	120.6	410.5	411.2	469.9		63.5
18''	450	711.2	628.5	34.9	24	60.3	457.2	533.4	88.9	158.7	130.2	461.8	462.3	533.4		68.3
20''	500	774.7	685.8	34.9	24	63.5	508.0	587.4	95.2	161.9	139.7	513.1	514.3	584.2		73.0
24''	600	914.4	812.8	41.3	24	69.8	609.6	701.7	106.4	168.3	152.4	615.9	615.9	692.1		82.5