About Backflow-Prevention Valves
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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.
Spectacle blinds install permanently and rotate around the bolt to either block or open flow. However, they add extra weight to your pipeline.
304 stainless steel blinds resist corrosion better than steel blinds.
For technical drawings and 3-D models, click on a part number.

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 |
304 Stainless Steel | ||||||||||
8 | 11" | 150 | 150 psi @ 70° F | 1/4" | 7" | 1" | -100° to 400° | __ | 0000000 | 000000 |
10 | 13 3/8" | 150 | 150 psi @ 70° F | 3/8" | 7" | 1 1/2" | -100° to 400° | __ | 0000000 | 000000 |
12 | 16 1/8" | 150 | 150 psi @ 70° F | 3/8" | 7" | 1 1/2" | -100° to 400° | __ | 0000000 | 000000 |
PTFE-Coated 304 Stainless Steel | ||||||||||
1/2 | 1 7/8" | 150 | 150 psi @ 250° F | 1/8" | 2" | 3/4" | -100° to 400° | ASTM D4894, FDA Compliant 21 CFR 177.1550 | 0000000 | 00000 |
3/4 | 2 1/4" | 150 | 150 psi @ 250° F | 1/8" | 2" | 3/4" | -100° to 400° | ASTM D4894, FDA Compliant 21 CFR 177.1550 | 0000000 | 00000 |
1 | 2 5/8" | 150 | 150 psi @ 70° F | 1/8" | 2 3/4" | 3/4" | -100° to 400° | ASTM D4894, FDA Compliant 21 CFR 177.1550 | 0000000 | 00000 |
1 1/2 | 3 3/8" | 150 | 150 psi @ 70° F | 1/8" | 2 3/4" | 3/4" | -100° to 400° | ASTM D4894, FDA Compliant 21 CFR 177.1550 | 0000000 | 00000 |
2 | 4 1/8" | 150 | 150 psi @ 70° F | 1/8" | 3" | 3/4" | -100° to 400° | ASTM D4894, FDA Compliant 21 CFR 177.1550 | 0000000 | 00000 |
3 | 5 3/8" | 150 | 150 psi @ 70° F | 1/8" | 3" | 3/4" | -100° to 400° | ASTM D4894, FDA Compliant 21 CFR 177.1550 | 0000000 | 00000 |
4 | 6 7/8" | 150 | 150 psi @ 70° F | 1/8" | 3" | 3/4" | -100° to 400° | ASTM D4894, FDA Compliant 21 CFR 177.1550 | 0000000 | 000000 |
6 | 8 3/4" | 150 | 150 psi @ 70° F | 3/16" | 5" | 3/4" | -100° to 400° | ASTM D4894, FDA Compliant 21 CFR 177.1550 | 0000000 | 000000 |


For Pipe Size | ID | OD | For Orifice Flange ANSI Class | Max. Pressure | Thick. | End-to-End Lg. | Temp. Range, °F | Specifications Met | Each | |
Steel | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
1/2 | 5/8" | 1 3/4" | 150 | 285 psi @ 70° F | 1/4" | 4 1/8" | -20° to 800° | ASTM A516 | 0000000 | 000000 |
3/4 | 7/8" | 2 1/8" | 150 | 285 psi @ 70° F | 1/4" | 4 7/8" | -20° to 800° | ASTM A516 | 0000000 | 000000 |
1 | 1" | 2 1/2" | 150 | 285 psi @ 70° F | 1/4" | 5 5/8" | -20° to 800° | ASTM A516 | 0000000 | 000000 |
1 1/2 | 1 7/8" | 3 1/4" | 150 | 285 psi @ 70° F | 3/8" | 7 1/8" | -20° to 800° | ASTM A516 | 0000000 | 000000 |
2 | 2 3/8" | 4" | 150 | 285 psi @ 70° F | 3/8" | 8 3/4" | -20° to 800° | ASTM A516 | 0000000 | 000000 |
2 1/2 | 2 7/8" | 4 3/4" | 150 | 285 psi @ 70° F | 3/8" | 10 1/4" | -20° to 800° | ASTM A516 | 0000000 | 000000 |
3 | 3 1/2" | 5 1/4" | 150 | 285 psi @ 70° F | 3/8" | 11 1/4" | -20° to 800° | ASTM A516 | 0000000 | 000000 |
4 | 4 1/2" | 6 3/4" | 150 | 285 psi @ 70° F | 1/2" | 14 1/4" | -20° to 800° | ASTM A516 | 0000000 | 000000 |
6 | 6 5/8" | 8 5/8" | 150 | 285 psi @ 70° F | 5/8" | 18 1/8" | -20° to 800° | ASTM A516 | 0000000 | 000000 |
8 | 8 5/8" | 10 7/8" | 150 | 285 psi @ 70° F | 5/8" | 22 5/8" | -20° to 800° | ASTM A516 | 0000000 | 000000 |
10 | 10 3/4" | 13 1/4" | 150 | 285 psi @ 70° F | 3/4" | 27 1/2" | -20° to 800° | ASTM A105 | 0000000 | 000000 |
304 Stainless Steel | ||||||||||
1/2 | 5/8" | 1 3/4" | 150 | 230 psi @ 70° F | 1/4" | 4 1/8" | -20° to 800° | ASTM A240 | 0000000 | 000000 |
3/4 | 7/8" | 2 1/8" | 150 | 230 psi @ 70° F | 1/4" | 4 7/8" | -20° to 800° | ASTM A240 | 0000000 | 000000 |
1 | 1" | 2 1/2" | 150 | 230 psi @ 70° F | 1/4" | 5 5/8" | -20° to 800° | ASTM A240 | 0000000 | 000000 |
1 1/2 | 1 7/8" | 3 1/4" | 150 | 230 psi @ 70° F | 3/8" | 7 1/8" | -20° to 800° | ASTM A240 | 0000000 | 000000 |
2 | 2 3/8" | 4" | 150 | 230 psi @ 70° F | 3/8" | 8 3/4" | -20° to 800° | ASTM A240 | 0000000 | 000000 |
2 1/2 | 2 7/8" | 4 3/4" | 150 | 230 psi @ 70° F | 3/8" | 10 1/4" | -20° to 800° | ASTM A240 | 0000000 | 000000 |
3 | 3 1/2" | 5 1/4" | 150 | 230 psi @ 70° F | 3/8" | 11 1/4" | -20° to 800° | ASTM A240 | 0000000 | 000000 |
4 | 4 1/2" | 6 3/4" | 150 | 230 psi @ 70° F | 1/2" | 14 1/4" | -20° to 800° | ASTM A240 | 0000000 | 000000 |
6 | 6 5/8" | 8 5/8" | 150 | 230 psi @ 70° F | 5/8" | 18 1/8" | -20° to 800° | ASTM A240 | 0000000 | 000000 |
8 | 8 5/8" | 10 7/8" | 150 | 230 psi @ 70° F | 5/8" | 22 5/8" | -20° to 800° | ASTM A240 | 0000000 | 000000 |
10 | 10 3/4" | 13 1/4" | 150 | 230 psi @ 70° F | 3/4" | 27 1/2" | -20° to 800° | ASTM A182 | 0000000 | 00000000 |
Fry and Sauce Pans


Made of aluminum, these pans are lightweight yet durable. They have an insulated handle that stays cool to the touch. All of these pans meet NSF/ANSI 2 for safe use with food.
Fry pans have a nonstick coating for easy cleaning.
Pans | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Handle | Lids | ||||||||||||
Pan Type | Top OD | Ht. | Handle Lg. | Cap., qt. | Material | Material | Color | Specifications Met | Features | Each | Each | ||
Fry | 8" | 1 7/8" | 6 1/2" | __ | Aluminum | Silicone Rubber | Black | NSF/ANSI 2 | Insulated Handle, Nonstick Coating | 0000000 | 000000 | 0000000 | 000000 |
Fry | 10" | 2 1/8" | 7 1/2" | __ | Aluminum | Silicone Rubber | Black | NSF/ANSI 2 | Insulated Handle, Nonstick Coating | 0000000 | 00000 | 0000000 | 00000 |
Sauce | 7 3/4" | 4 1/4" | 6 1/2" | 2 3/4 | Aluminum | Silicone Rubber | Black | NSF/ANSI 2 | Insulated Handle | 0000000 | 00000 | 0000000 | 00000 |
Sauce | 9 7/8" | 5 5/8" | 7 1/2" | 5 1/2 | Aluminum | Silicone Rubber | Black | NSF/ANSI 2 | Insulated Handle | 0000000 | 00000 | 0000000 | 00000 |