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Pipeline Fluid Blockers
Also known as pipe blinds, these fluid blockers fit between two flanges to stop flow, so you can work downstream without draining the system.
Paddle blinds slip between the flanges to temporarily block flow.
For technical drawings and 3-D models, click on a part number.
Paddle Blinds

Handle | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
For Pipe Size | OD | For Orifice Flange ANSI Class | Max. Pressure | Thick. | Lg. | Wd. | Temp. Range, °F | Specifications Met | Each | |
Steel | ||||||||||
1/2 | 1 3/4" | 150 | 150 psi @ 70° F | 1/4" | 7" | 1" | -20° to 100° | ASTM A36 | 0000000 | 000000 |
3/4 | 2 1/8" | 150 | 150 psi @ 70° F | 1/4" | 7" | 1" | -20° to 100° | ASTM A36 | 0000000 | 00000 |
1 | 2 1/2" | __ | 150 psi @ 70° F | 1/4" | 7" | 1" | -20° to 100° | ASTM A36 | 0000000 | 00000 |
1 1/4 | 2 7/8" | 150 | 150 psi @ 70° F | 1/4" | 7" | 1" | -20° to 100° | ASTM A36 | 0000000 | 00000 |
1 1/2 | 3 1/4" | __ | 150 psi @ 70° F | 1/4" | 7" | 1" | -20° to 100° | ASTM A36 | 0000000 | 00000 |
2 | 4" | __ | 150 psi @ 70° F | 1/4" | 7" | 1" | -20° to 100° | ASTM A36 | 0000000 | 00000 |
2 1/2 | 4 3/4" | __ | 150 psi @ 70° F | 1/4" | 7" | 1" | -20° to 100° | ASTM A36 | 0000000 | 00000 |
3 | 5 1/4" | __ | 150 psi @ 70° F | 1/4" | 7" | 1" | -20° to 100° | ASTM A36 | 0000000 | 00000 |
3 1/2 | 6 1/4" | 150 | 150 psi @ 70° F | 3/8" | 7" | 1" | -20° to 100° | ASTM A36 | 0000000 | 000000 |
4 | 6 3/4" | __ | 150 psi @ 70° F | 1/4" | 7" | 1" | -20° to 100° | ASTM A36 | 0000000 | 00000 |
6 | 8 5/8" | __ | 150 psi @ 70° F | 1/2" | 7" | 1" | -20° to 100° | ASTM A36 | 0000000 | 000000 |
8 | 10 7/8" | __ | 150 psi @ 70° F | 5/8" | 7" | 1" | -20° to 100° | ASTM A36 | 0000000 | 000000 |
10 | 13 1/4" | __ | 150 psi @ 70° F | 5/8" | 7" | 1 1/2" | -20° to 100° | ASTM A36 | 0000000 | 000000 |
12 | 16" | __ | 150 psi @ 70° F | 3/4" | 7" | 1 1/2" | -20° to 100° | ASTM A36 | 0000000 | 000000 |