Steel Flat Welding Flange-Outer Flange

Steel flat welding flange is a kind of flange connected with vessel or pipeline by fillet weld, which is suitable for pipeline system with low pressure level, pressure fluctuation, vibration and shock are not serious.

Overview

Connection method

The pipe is first inserted into the flange bore to the proper position, and then lap welded, with two internal fillet welds and external fillet welds.

Advantages

High connection reliability

Long service life

Easy to install

Strong adaptability

Price-optimized

Easy centering

structure plan

Steel Flat Welding Flange-Outer Flange-PIC.jpg

Outside diameter of pipe		DIN85037								EEMUA145
Outside diameter of pipe		Pn10								150Lbs
θD		θA	C	θB	F	Drilling			Theo.	θA	C	θB	F	Drilling			Theo.
θD		θA	C	θB	F	θG	N	θd	weight	θA	C	θB	F	θG	N	θd	Weight
nominal	actual	mm	mm	mm	mm	mm	Bolt	mm	Kg/piece	mm	mm	mm	mm	mm	Bolt	mm	Kg/piece
inch	mm	mm	mm	mm	mm	mm	Holes	mm	Kg/piece	mm	mm	mm	mm	mm	Holes	mm	Kg/piece
0.5	16	-	-	-	-	-	-	-	-	89	14	19	2	60.3	4	15.9	0.6
0.75	25	105	14	28	3	75	4	14	0.8	98	14	28	3	69.8	4	15.9	0.8
1	30	115	16	33	4	85	4	14	1.1	108	14	33	3	79.4	4	15.9	0.9
1.25	38	140	16	42	4	100	4	18	1.65	117	14	41	3	88.9	4	15.9	1.1
1.5	44.5	150	16	50	4	110	4	18	1.85	127	14	48	3	98.4	4	15.9	1.2
2	57	165	16	62	5	125	4	18	2.2	152	18	62	3	120.6	4	19	2.1
2.5	76.1	185	16	81	5	145	4	18	2.65	178	18	81	3	139.7	4	19	2.6
3	88.9	200	18	94	5	160	8	18	3.3	190	19	94	3	152.4	4	19	2.9
4	108	220	18	113	5	180	8	18	3.65	229	24	113	3	190.5	4	19	5.9
5	133	250	18	138	5	210	8	18	4.55	-	-	-	-	-	-	-	-
6	159	285	18	164	5	240	8	22	5.6	279	27	164	4	241.3	8	22.2	8.4
7	193.7	315	22	200	5	270	8	22	7.5	-	-	-	-	-	-	-	-
8	219.1	340	20	225	5	295	8	22	7.45	343	31	225	5	298.4	8	22.2	12.35
10	267	395	22	273	5	350	12	22	10.3	406	38	273	5	362	12	25.4	19.7
12	323.9	445	24	331	7	400	12	22	12	483	41	330	7	431.8	12	25.4	32.2
14	368	505	24	375	7	460	16	22	16	533	45	374	7	476.2	12	28.6	38.2
16	419.1	565	26	426	7	515	16	26	20	597	51	426	7	539.8	16	28.6	52.15
18	457.2	615	28	465	7	565	20	26	25	635	52	465	7	577.8	16	31.8	54.05
20	508	670	30	517	7	620	20	26	31	698	58	517	7	635	20	31.8	73.2
24	610	780	32	618	9	725	20	30	40	813	71	618	9	749.3	20	34.9	114.25