EN 1092-1 Type 32 Weld-On Plate Collar

May 21, 2021

Construction (Drawing) & Function

Figure-1: technical drawing for EN 1092-1 Type 32 weld-on plate collar. B: bore diameter; d: outside diameter; F: collar thickness.

The EN 1092-1 Type 32 weld on plate collar is a typical flat metallic ring available in PN 6, PN 10, PN 16, PN 25 and PN 40. The bore diameter B is exactly the same as that of the Type 01 flange but a bit smaller than that of the mating Type 02 loose plate flange. The outside diameter d is equal to that of the raised face of the mating flange. There is no need for the drilling of bolt holes. Type 32 of EN 1092-1 is called “collar” not “flange” since it works as a lapped/ flared end, functioning as a raised face of a flange as illustrated in Figure-2. The collar thickness F is comparatively smaller than the thickness of the mating flange.

Figure-2: illustration of a bolted flange joint incorporating the EN 1092-1 “Type 02 + Type 32” assembly. 1 & 9: pipes; 2: bolting; 3: Type 02 loose plate flange; 4 & 5: fillet welds; 6: Type 32 weld-on plate collar; 7: gasket; 8: Type 01 plate flange with RF.

EN 1092-1 Type 32 weld-on plate collar shall always be used with a Type 02 loose plate flange. As shown in Figure-2, the Type 02 flange serves as a backing ring to hold the Type 32 collar. The piping slips through Type 02 flange to the end of the Type 32 plate collar. Two fillet welds at the illustrated positions are required to ensure that only the plate collar can be in contact with the fluid. A flat or spiral wound gasket shall be put in between the Type 32 plate collar and the raised face of the mating Type 01 flange. The surface finish of the plate collar adjacent to the gasket shall be furnished by a turning process with 3.2 μm ≤ Ra ≤ 12.5 μm and 12.5 μm ≤ Rz ≤ 50.0 μm.

EN 1092-1 Loose Plate Flanges & Collars
Type 02	Type 04	Type 32	Type 33
Type 34	Type 35	Type 36	Type 37

*Click to view specifications for all EN 1092-1 loose plate flanges & collars.

Dimensions, Tolerances & Masses

DN	d mm	B mm	F mm	Mass kg
10	35	18.0	10	0.056
15	40	22.0	10	0.069
20	50	27.5	10	0.108
25	60	34.5	10	0.149
32	70	43.5	10	0.185
40	80	49.5	10	0.244
50	90	61.5	12	0.319
65	110	77.5	12	0.451
80	128	90.5	12	0.606
100	148	116.0	14	0.729
125	178	141.5	14	1.00
150	202	170.5	14	1.01
200	258	221.5	16	1.73
250	312	276.5	18	2.32
300	365	327.5	18	2.88
350	415	359.5	18	4.77
400	465	411.0	20	5.83
450	520	462.0	20	7.02
500	570	513.5	22	8.30
600	670	616.5	22	9.34

*Dimensions & masses for EN 1092-1 Type 32 PN 6.

DN	d mm	B mm	F mm	Mass kg
10	40	18.0	12	0.094
15	45	22.0	12	0.114
20	58	27.5	14	0.225
25	68	34.5	14	0.296
32	78	43.5	14	0.362
40	88	49.5	14	0.457
50	102	61.5	16	0.653
65	122	77.5	16	0.876
80	138	90.5	16	1.07
100	158	116.0	18	1.28
125	188	141.5	18	1.70
150	212	170.5	20	1.96
200	268	221.5	20	2.81
250	320	276.5	22	3.52
300	370	327.5	22	4.02
350	430	359.5	22	7.55
400	482	411.0	24	9.38
450	532	462.0	24	10.3
500	585	513.5	26	12.6
600	685	616.5	26	14.3

*Dimensions & masses for EN 1092-1 Type 32 PN 10.

DN	d mm	B mm	F mm	Mass kg
10	40	18.0	12	0.094
15	45	22.0	12	0.114
20	58	27.5	14	0.225
25	68	34.5	14	0.296
32	78	43.5	14	0.362
40	88	49.5	14	0.457
50	102	61.5	16	0.653
65	122	77.5	16	0.876
80	138	90.5	16	1.07
100	158	116.0	18	1.28
125	188	141.5	18	1.70
150	212	170.5	20	1.96
200	268	221.5	20	2.81
250	320	276.5	22	3.52
300	378	327.5	24	5.27
350	438	359.5	26	10.1
400	490	411.0	28	12.3
450	550	462.0	30	16.5
500	610	513.5	32	21.4
600	725	616.5	32	28.7

*Dimensions & masses for EN 1092-1 Type 32 PN 16.

DN	d mm	B mm	F mm	Mass kg
10	40	18.0	12	0.094
15	45	22.0	12	0.114
20	58	27.5	14	0.225
25	68	34.5	14	0.296
32	78	43.5	14	0.362
40	88	49.5	14	0.457
50	102	61.5	16	0.653
65	122	77.5	16	0.876
80	138	90.5	18	1.20
100	162	116.0	20	1.58
125	188	141.5	22	2.08
150	218	170.5	24	2.73
200	278	221.5	26	4.52
250	335	276.5	26	5.73
300	395	327.5	28	8.42
350	450	359.5	32	14.5
400	505	411.0	34	18.0
450	555	462.0	36	21.0
500	615	513.5	38	26.8
600	720	616.5	40	34.1

*Dimensions & masses for EN 1092-1 Type 32 PN 25.

DN	d mm	B mm	F mm	Mass kg
10	40	18.0	12	0.094
15	45	22.0	12	1.114
20	58	27.5	14	0.225
25	68	34.5	14	0.296
32	78	43.5	14	0.362
40	88	49.5	14	0.457
50	102	61.5	16	0.653
65	122	77.5	16	0.876
80	138	90.5	18	1.20
100	162	116.0	20	1.58
125	188	141.5	22	2.08
150	218	170.5	24	2.73
200	285	221.5	28	5.55
250	345	276.5	30	7.87
300	410	327.5	34	12.8
350	465	359.5	36	19.3
400	535	411.0	42	28.4
450	560	462.0	46	30.4
500	615	513.5	50	35.3
600	735	616.5	54	53.3

*Dimensions & masses for EN 1092-1 Type 32 PN 40.

Tolerances: For size ≤ DN 250, d (-1.0mm, +2.0mm); for size > DN 250, d (-1.0mm, +3.0mm). For size ≤ DN 100, B (-0mm, +0.5mm); for DN 100 < size ≤ DN 400, B (-0mm, +1.0mm); for DN 400 < size ≤ DN 600, B (-0mm, +1.5mm). For F ≤ 18mm, F (-1.3mm, +1.0mm); for F > 18mm, F (-1.5mm, +1.5mm).

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