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About Flanged Flow-Adjustment Valves
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Plastic Flanged Flow-Adjustment Valves for Chemicals
- Valve Type: Butterfly
- For Use With: Water, Carbon Dioxide, Citric Acid, Hydrochloric Acid, Isopropyl Alcohol, Kerosene, Phosphoric Acid, Salt Water
- Seat Material: Fluoroelastomer Rubber
- Specifications Met: FM Approved
In addition to fluoroelastomer seats that resist a wide range of chemicals, these valves have no metal parts to corrode, so they’re often used for chemical-processing applications in corrosive conditions. All bolt to flanges for adjusting and regulating flow in flanged pipelines. Fix the lockable lever handle in place using a padlock (not included) with a shackle diameter up to 7/16”. Valves are wafer style, so they must be sandwiched between two flanges; all have unthreaded holes to help align the valve between the flanges.
Flow coefficient (Cv) is the amount of water (in gallons per minute) at 60° F that will flow through a fully open valve with a difference of 1 psi between the inlet and the outlet.
For technical drawings and 3-D models, click on a part number.
| Pipe Size | For Max. Shackle Dia. | Pressure Class | Flange OD | Bolt Circle Dia. | No. of Bolt Holes | Bolt Hole Size | Bolts Included | Flow Coefficient (Cv) | Max. Pressure | Temp. Range, °F | End-to-End Lg. | Each | |
CPVC Plastic Body—CPVC Plastic Disc | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 7/16" | 125, 150 | 6" | 4 3/4" | 4 | 3/4" | No | 109 | 150 psi @ 70° F | 40° to 200° | 1 15/16" | 0000000 | 0000000 |
| 3 | 7/16" | 125, 150 | 7 1/2" | 6" | 4 | 3/4" | No | 345 | 150 psi @ 70° F | 40° to 200° | 2 1/8" | 0000000 | 000000 |
| 4 | 7/16" | 125, 150 | 9" | 7 1/2" | 8 | 3/4" | No | 411 | 150 psi @ 70° F | 40° to 200° | 2 9/32" | 0000000 | 00000000 |
| 6 | 7/16" | 125, 150 | 11" | 9 1/2" | 8 | 7/8" | No | 1,125 | 150 psi @ 70° F | 40° to 200° | 2 3/4" | 0000000 | 00000000 |
Flanged Flow-Adjustment Valves for Drinking Water
- Valve Type: Butterfly
- For Use With: Drinking Water
- Specifications Met: FM Approved, NSF/ANSI 61
These valves meet NSF/ANSI 61 for use with drinking water. They bolt to flanges for adjusting and regulating flow in flanged pipelines. All have seven flow-adjustment positions. The lockable lever handle can be fixed in place using a padlock (not included) with a shackle diameter up to 7/16”. Valves are wafer style, so they must be sandwiched between two flanges; all have unthreaded holes to help align the valve between the flanges.
Flow coefficient (Cv) is the amount of water (in gallons per minute) at 60° F that will flow through a fully open valve with a difference of 1 psi between the inlet and the outlet.
For technical drawings and 3-D models, click on a part number.
| Connection Style - 1 | Pipe Size | For Max. Shackle Dia. | Pressure Class | Flange OD | Bolt Circle Dia. | No. of Bolt Holes | Bolt Hole Size | Connection Style - 2 | Bolts Included | Flow Coefficient (Cv) | Max. Pressure | Temp. Range, °F | End-to-End Lg. | Each | |
CPVC Plastic Body—CPVC Plastic Disc | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Flanged | 2 | 7/16" | 125, 150 | 6" | 4 3/4" | 4 | 3/4" | Flanged | No | 109 | 150 psi @ 70° F | 40° to 200° | 1 15/16" | 0000000 | 0000000 |
| Flanged | 3 | 7/16" | 125, 150 | 7 1/2" | 6" | 4 | 3/4" | Flanged | No | 345 | 150 psi @ 70° F | 40° to 200° | 2 1/8" | 0000000 | 000000 |
| Flanged | 4 | 7/16" | 125, 150 | 9" | 7 1/2" | 8 | 3/4" | Flanged | No | 411 | 150 psi @ 70° F | 40° to 200° | 2 9/32" | 0000000 | 000000 |
| Flanged | 6 | 7/16" | 125, 150 | 11" | 9 1/2" | 8 | 7/8" | Flanged | No | 1,125 | 150 psi @ 70° F | 40° to 200° | 2 3/4" | 0000000 | 000000 |