Spectacle Blind - ANSI Class 2500 (in)

on 21 December 2015. Posted in Accessory Datasheets

Spectacle Blind - ANSI Class 2500 (in) A ring spacer is bored to match the pipe I.D. and thickness of the spacer it replaces. A single spacer is has no bore and is designed to complete shut-off of a pipeline or valve. A spectical blind is a combination of both a ring and single spacer. To make switching from one to the other, especially in the larger sizes, a bolt hole or slot in the spacer bar is provided for rotation. Surface finish to be specified. These blind/spacers are designed for ASME B31.3 and ASME B16.5. Pressure temperature rating in accordance with ANSI/ASME B16.48 for sizes 1/2" to 24".
Pipe Size(NPS)	Outside Diameter A	Diameter of Bore B	Blind Distance C	Plate Thickness D	Handle Length E	Handle Width F	Handle Width G	Lift Hole Diameter H
1/2	2.62	0.62	3.50	0.38	5.00	1.00	1.50	N/A
3/4	2.88	0.82	3.75	0.38	5.00	1.00	1.62	0.875
1	3.25	1.05	4.25	0.38	5.00	1.00	2.50	1.00
1 1/4	4.00	1.38	5.12	0.50	5.00	1.00	2.50	1.125
1 1/2	4.50	1.61	5.75	0.62	5.00	1.00	2.75	1.25
2	5.62	2.07	6.75	0.62	5.00	1.00	2.75	1.125
2 1/2	6.50	2.47	7.75	0.75	6.00	1.00	3.00	1.25
3	7.62	3.07	9.00	0.88	6.00	1.00	3.00	1.375
4	9.12	4.03	10.75	1.12	7.00	1.00	3.50	1.625
5	10.88	5.05	12.75	1.38	7.00	1.00	3.50	1.875
6	12.38	6.06	14.50	1.62	8.00	1.50	3.50	2.125
8	15.12	7.81	17.25	2.12	8.00	1.50	4.00	2.125
10	18.62	9.75	21.25	2.62	9.00	1.50	4.50	2.625
12	21.50	11.37	24.38	3.12	9.00	1.50	4.50	2.875

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