ASME B16.48 Ring Spacer | Paddle Spacer | Female RTJ

Technical Drawing

The female ring-joint groove on the open end of the paddle spacer shall be cut in accordance with ASME B16.5. A single through indicator hole shall be drilled near the end of the handle. Usually, the hole diameter is 3/4″. W: handle width; T: thickness of ring spacer; B: bore diameter; L: length of handle, to be determined by the user; O: outside diameter.

Dimensions & Weights

NPS	O	T	W	B	Weight
1	64	19.1	51	34	0.10
1-1/4	73	19.1	51	42	0.19
1-1/2	83	19.1	57	48	0.25
2	102	19.1	57	61	0.36
2-1/2	121	22.4	57	73	0.38
3	133	22.4	57	89	0.55
3-1/2	154	22.4	64	102	1.06
4	172	22.4	64	114	1.22
5	194	25.4	70	141	1.35
6	219	25.4	83	168	1.91
8	273	28.4	95	219	2.68
10	330	31.8	102	273	4.35
12	406	35.1	121	324	7.71
14	426	35.1	127	356	9.41
16	483	38.1	127	406	14.11
18	546	41.1	127	457	15.25
20	597	41.1	127	508	19.76
24	711	47.8	152	610	28.59

* Basic dimensions and weight for ASME B16.48 Class 150 paddle spacer (ring spacer) with female ring-joint facing (F/RTJ).

NPS	O	T	W	B	Weight
1/2	51	15.7	38	21	0.12
3/4	64	19.1	45	27	0.18
1	70	19.1	51	34	0.21
1-1/4	79	22.4	51	42	0.23
1-1/2	90	22.4	57	48	0.31
2	108	25.4	57	61	0.57
2-1/2	127	28.4	57	73	0.76
3	146	28.4	57	89	0.98
3-1/2	159	28.4	64	102	1.43
4	175	31.8	64	114	1.69
5	210	35.1	70	141	2.75
6	241	35.1	83	168	3.54
8	302	41.1	95	219	6.60
10	356	44.5	102	273	9.00
12	413	50.8	121	324	12.96
14	457	53.8	127	356	21.31
16	508	57.2	127	406	29.19
18	575	60.5	127	457	37.11
20	635	69.9	127	508	45.93
24	749	79.2	152	610	70.36

* Basic dimensions and weight for ASME B16.48 Class 300 paddle spacer (ring spacer) with female ring-joint facing (F/RTJ).

NPS	O	T	W	B	Weight
1/2	51	19.1	38	21	0.17
3/4	64	22.4	45	27	0.25
1	70	22.4	51	34	0.32
1-1/4	79	22.4	51	42	0.52
1-1/2	90	22.4	57	48	0.70
2	108	28.4	57	61	0.94
2-1/2	127	31.8	57	73	1.43
3	146	31.8	57	89	1.86
3-1/2	159	35.1	64	102	2.38
4	175	35.1	64	114	3.39
5	210	38.1	70	141	5.73
6	241	44.5	83	168	7.47
8	302	50.8	95	219	11.85
10	356	57.2	102	273	21.20
12	413	63.5	121	324	30.04
14	457	66.5	127	356	35.92
16	508	73.2	127	406	53.35
18	575	79.2	127	457	62.07
20	635	88.9	127	508	88.98
24	749	104.6	152	610	125.97

* Basic dimensions and weight for ASME B16.48 Class 600 paddle spacer (ring spacer) with female ring-joint facing (F/RTJ).

NPS	O	T	W	B	Weight
1/2	61	22.4	38	21	0.21
3/4	67	22.4	45	27	0.28
1	71	22.4	51	34	0.36
1-1/4	81	25.4	51	42	0.59
1-1/2	92	25.4	64	48	0.74
2	124	31.8	51	61	1.71
2-1/2	137	35.1	67	73	2.20
3	155	35.1	67	89	2.67
4	181	41.1	73	114	4.48
5	216	44.5	73	141	6.94
6	241	47.8	73	168	10.15
8	308	57.2	80	219	19.53
10	362	63.5	121	273	31.49
12	419	73.2	121	324	45.42
14	467	82.6	121	356	52.05
16	524	91.9	127	406	66.61
18	594	101.6	133	457	87.55
20	648	111.3	127	508	111.74
24	772	133.4	140	610	191.39

* Basic dimensions and weight for ASME B16.48 Class 900 paddle spacer (ring spacer) with female ring-joint facing (F/RTJ).

NPS	O	T	W	B	Weight
1/2	61	22.4	38	21	0.21
3/4	67	25.4	45	27	0.36
1	71	25.4	54	34	0.48
1-1/4	81	25.4	54	42	0.61
1-1/2	92	28.4	57	48	0.92
2	124	35.1	54	61	1.77
2-1/2	137	38.1	57	73	2.71
3	168	44.5	73	89	3.58
4	194	47.8	76	114	5.55
5	229	53.8	76	141	9.49
6	248	60.5	79	168	13.40
8	318	73.2	86	219	22.62
10	371	82.5	133	273	40.43
12	438	101.6	133	324	68.32
14	489	111.3	140	356	92.53
16	546	124.0	146	406	125.86
18	613	133.0	152	457	167.28
20	673	142.7	165	508	201.85
24	794	168.1	178	610	331.03

* Basic dimensions and weight for ASME B16.48 Class 1500 paddle spacer (ring spacer) with female ring-joint facing (F/RTJ).

NPS	O	T	W	B	Weight
1/2	65	25.4	38	21	0.34
3/4	73	28.4	45	27	0.41
1	83	28.4	54	34	0.55
1-1/4	102	35.1	54	42	0.97
1-1/2	114	38.1	61	48	1.43
2	133	41.1	57	61	2.16
2-1/2	149	47.8	61	73	3.30
3	168	50.8	76	89	5.14
4	203	63.5	83	114	8.72
5	241	73.2	89	141	14.23
6	279	82.6	95	168	20.49
8	340	98.6	95	219	37.92
10	425	117.3	91	273	68.48
12	495	133.4	152	324	106.87

* Basic dimensions and weight for ASME B16.48 Class 2500 paddle spacer (ring spacer) with female ring-joint facing (F/RTJ).

ASME B16.48 Line Blanks
Figure-8	FF/RF	F/RTJ	M/RTJ
Spade	FF/RF	F/RTJ	M/RTJ
Spacer	FF/RF	F/RTJ	M/RTJ

*  Click to view more technical details for ASME B16.48 line blanks.