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

Technical Drawing

Oval or octagonal ring shapes may be provided for the M/RTJ ring spacer flange. Only the oval ring is illustrated for simplicity. Ring dimensions shall be in accordance with ASME B16.20, except H = C + T, where C is the ring height specified in ASME B16.20 and T is the thickness of the paddle spacer. Besides, B: bore diameter of the open end; L: length of handle, to be determined by the user; W: handle width.

Dimensions & Weights

NPS	T	W	B	Weight
1	6.4	51	34	0.09
1-1/4	6.4	51	42	0.18
1-1/2	6.4	57	48	0.23
2	6.4	57	61	0.34
2-1/2	9.7	57	73	0.36
3	9.7	57	89	0.52
3-1/2	9.7	64	102	1.00
4	9.7	64	114	1.14
5	12.7	70	141	1.27
6	12.7	83	168	1.79
8	15.7	95	219	2.51
10	19.1	102	273	4.08
12	22.4	121	324	7.23
14	22.4	127	356	8.82
16	25.4	127	406	13.23
18	28.4	127	457	14.29
20	28.4	127	508	18.52
24	35.1	152	610	26.81

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

NPS	T	W	B	Weight
1/2	6.4	38	21	0.11
3/4	9.7	45	27	0.16
1	9.7	51	34	0.20
1-1/4	9.7	51	42	0.21
1-1/2	9.7	57	48	0.29
2	12.7	57	61	0.54
2-1/2	15.7	57	73	0.72
3	15.7	57	89	0.92
3-1/2	15.7	64	102	1.34
4	15.7	64	114	1.59
5	19.1	76	141	2.57
6	22.4	83	168	3.32
8	25.4	95	219	6.19
10	28.4	102	273	8.44
12	35.1	121	324	12.15
14	38.1	127	356	19.98
16	41.1	127	406	27.37
18	44.5	127	457	34.79
20	50.8	127	508	43.06
24	57.2	152	610	65.96

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

NPS	T	W	B	Weight
1/2	6.4	38	21	0.16
3/4	9.7	45	27	0.24
1	9.7	51	34	0.30
1-1/4	9.7	57	42	0.49
1-1/2	9.7	57	48	0.66
2	12.7	51	61	0.88
2-1/2	15.7	57	73	1.34
3	15.7	67	89	1.74
3-1/2	19.1	67	102	2.23
4	19.1	73	114	3.18
5	22.4	73	141	5.37
6	28.4	73	168	7.01
8	35.1	83	219	11.11
10	41.1	121	273	19.88
12	47.8	121	324	28.16
14	50.8	121	356	33.68
16	57.2	127	406	50.02
18	63.5	133	457	58.20
20	69.9	127	508	83.42
24	82.6	152	610	117.54

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

NPS	T	W	B	Weight
1/2	9.7	38	21	0.20
3/4	9.7	45	27	0.26
1	9.7	51	34	0.33
1-1/4	12.7	54	42	0.55
1-1/2	12.7	54	48	0.69
2	15.7	51	61	1.61
2-1/2	19.1	54	73	2.06
3	19.1	67	89	2.51
4	25.4	73	114	4.20
5	28.4	73	141	6.51
6	31.8	73	168	9.52
8	41.1	79	219	18.31
10	47.8	121	273	29.53
12	57.2	121	324	42.58
14	60.5	121	356	48.80
16	69.9	127	406	62.45
18	76.2	133	457	82.08
20	85.9	127	508	104.76
24	98.6	152	610	179.43

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

NPS	T	W	B	Weight
1/2	9.7	38	21	0.20
3/4	9.7	45	27	0.34
1	12.7	54	34	0.45
1-1/4	12.7	54	42	0.58
1-1/2	15.7	57	48	0.86
2	19.1	54	61	1.66
2-1/2	22.4	57	73	2.54
3	28.4	73	89	3.35
4	31.8	76	114	5.21
5	38.1	76	141	8.90
6	41.1	79	168	12.56
8	50.8	86	219	21.21
10	63.5	133	273	37.90
12	73.2	133	324	64.05
14	79.2	140	356	86.75
16	88.9	146	406	117.99
18	98.6	152	457	156.82
20	108.0	165	508	189.23
24	127.0	178	610	310.34

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

NPS	T	W	B	Weight
1/2	12.7	41	21	0.32
3/4	15.7	48	27	0.38
1	15.7	54	34	0.52
1-1/4	19.1	54	42	0.91
1-1/2	22.4	61	48	1.34
2	25.4	57	61	2.03
2-1/2	28.4	61	73	3.09
3	31.8	76	89	4.82
4	38.1	83	114	8.18
5	47.8	89	141	13.34
6	57.2	95	168	19.21
8	69.9	95	219	35.55
10	82.6	95	273	64.20
12	98.6	152	324	100.19

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