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About Gradual On/Off Valves
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Threaded Gradual On/Off Valves
Also known as gate valves, these gradually open and close to prevent system damage from suddenly starting and stopping flow.
Wheel handles open and close with multiple turns, providing more controlled, shock-resistant flow than pull handles.
Nonrising stems stay in the same position whether the valve is open or closed. Valves with nonrising stems are often used underground and in low-clearance locations.
Rising stems lift as the valve opens and lower as the valve closes to provide a visual indication of whether flow is on or off. The stem is isolated from the process media for a longer service life than valves with a nonrising stem.
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.
Spring-Close Lever Handle—Brass Body and Gate
- Valve Type: Gate
- For Use With: Water, Oil
O'all | |||||||
|---|---|---|---|---|---|---|---|
Pipe Size | Max. Pressure | Temp. Range, °F | End-to-End Lg. | Ht. | Lg. | Each | |
NPT Female | |||||||
| 1 1/4 | 200 psi @ 70° F | -20° to 150° | 2 15/16" | 4 1/4" | 3" | 0000000 | 0000000 |
Wheel Handle and Nonrising Stem—Bronze Body and Gate
- Valve Type: Gate
- For Use With: See Table
- Specifications Met: MSS-SP-80
O'all | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Pipe Size | Flow Coefficient (Cv) | Max. Pressure | Max. Steam Pressure | Temp. Range, °F | End-to-End Lg. | Ht. | Lg. | For Use With | Each | |
NPT Female | ||||||||||
Pressure Class 125 | ||||||||||
| 1/4 | 5.6 | 200 psi @ 100° F | __ | -20° to 400° | 1 3/4" | 4 1/4" | 1 3/4" | Water, Oil | 0000000 | 000000 |
| 3/8 | 10.7 | 200 psi @ 100° F | __ | -20° to 400° | 1 13/16" | 4 1/4" | 1 13/16" | Water, Oil | 0000000 | 00000 |
| 1/2 | 17.6 | 200 psi @ 100° F | __ | -20° to 400° | 2" | 4 1/4" | 2" | Water, Oil | 0000000 | 00000 |
| 3/4 | 32 | 200 psi @ 100° F | __ | -20° to 400° | 2 1/8" | 5 3/16" | 2 1/8" | Water, Oil | 0000000 | 00000 |
| 1 | 54 | 200 psi @ 100° F | __ | -20° to 400° | 2 9/16" | 5 7/8" | 2 9/16" | Water, Oil | 0000000 | 00000 |
| 1 1/4 | 97 | 200 psi @ 100° F | __ | -20° to 400° | 2 13/16" | 6 1/2" | 2 3/4" | Water, Oil | 0000000 | 000000 |
| 1 1/2 | 135 | 200 psi @ 100° F | __ | -20° to 400° | 2 13/16" | 7 5/8" | 2 13/16" | Water, Oil | 0000000 | 000000 |
| 2 | 230 | 200 psi @ 100° F | __ | -20° to 400° | 3 5/16" | 9" | 3 5/16" | Water, Oil | 0000000 | 000000 |
| 2 1/2 | 337 | 200 psi @ 100° F | __ | -20° to 400° | 4 3/16" | 11" | 4 3/16" | Water, Oil | 0000000 | 000000 |
| 3 | 536 | 200 psi @ 100° F | __ | -20° to 400° | 4 5/8" | 12 3/4" | 4 5/8" | Water, Oil | 0000000 | 000000 |
Pressure Class 150 | ||||||||||
| 1/4 | 5.6 | 300 psi @ 100° F | 150 psi @ 365° F | -20° to 400° | 1 3/4" | 4 1/4" | 1 3/4" | Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon, Steam | 0000000 | 00000 |
| 3/8 | 10.7 | 300 psi @ 100° F | 150 psi @ 365° F | -20° to 400° | 1 13/16" | 4 1/4" | 1 13/16" | Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon, Steam | 0000000 | 00000 |
| 1/2 | 17.6 | 300 psi @ 100° F | 150 psi @ 365° F | -20° to 400° | 2" | 4 1/4" | 2" | Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon, Steam | 0000000 | 00000 |
| 3/4 | 32 | 300 psi @ 100° F | 150 psi @ 365° F | -20° to 400° | 2 1/8" | 5 3/16" | 2 1/8" | Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon, Steam | 0000000 | 00000 |
| 1 | 54 | 300 psi @ 100° F | 150 psi @ 365° F | -20° to 400° | 2 9/16" | 5 7/8" | 2 9/16" | Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon, Steam | 0000000 | 00000 |
| 1 1/4 | 97 | 300 psi @ 100° F | 150 psi @ 365° F | -20° to 400° | 2 13/16" | 6 7/16" | 2 3/4" | Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon, Steam | 0000000 | 000000 |
| 1 1/2 | 135 | 300 psi @ 100° F | 150 psi @ 365° F | -20° to 400° | 2 13/16" | 7 5/8" | 2 13/16" | Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon, Steam | 0000000 | 000000 |
| 2 | 230 | 300 psi @ 100° F | 150 psi @ 365° F | -20° to 400° | 3 5/16" | 9" | 3 5/16" | Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon, Steam | 0000000 | 000000 |
| 2 1/2 | 337 | 300 psi @ 100° F | 150 psi @ 365° F | -20° to 400° | 4 3/16" | 11 1/16" | 4 3/16" | Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon, Steam | 0000000 | 000000 |
| 3 | 536 | 300 psi @ 100° F | 150 psi @ 365° F | -20° to 400° | 4 5/8" | 12 3/4" | 4 5/8" | Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon, Steam | 0000000 | 000000 |
Pressure Class 200 | ||||||||||
| 1/4 | 5.6 | 400 psi @ 100° F | __ | -20° to 550° | 1 13/16" | 4 3/4" | 1 13/16" | Water, Oil | 0000000 | 000000 |
| 3/8 | 10.7 | 400 psi @ 100° F | __ | -20° to 550° | 1 7/8" | 4 3/4" | 1 7/8" | Water, Oil | 0000000 | 000000 |
| 1/2 | 17.6 | 400 psi @ 100° F | __ | -20° to 550° | 2 1/4" | 5" | 2 1/4" | Water, Oil | 0000000 | 000000 |
| 3/4 | 32 | 400 psi @ 100° F | __ | -20° to 550° | 2 1/2" | 5 13/16" | 2 1/2" | Water, Oil | 0000000 | 000000 |
| 1 | 54 | 400 psi @ 100° F | __ | -20° to 550° | 2 7/8" | 6 3/16" | 2 7/8" | Water, Oil | 0000000 | 000000 |
| 1 1/4 | 97 | 400 psi @ 100° F | __ | -20° to 550° | 3 1/4" | 7 1/16" | 3 1/4" | Water, Oil | 0000000 | 000000 |
| 1 1/2 | 135 | 400 psi @ 100° F | __ | -20° to 550° | 3 1/2" | 7 3/4" | 3 1/2" | Water, Oil | 0000000 | 000000 |
| 2 | 230 | 400 psi @ 100° F | __ | -20° to 550° | 3 3/4" | 9 1/4" | 3 3/4" | Water, Oil | 0000000 | 000000 |
Pressure Class 300 | ||||||||||
| 1/4 | 5.6 | 1000 psi @ 100° F | __ | -20° to 550° | 1 13/16" | 4 3/4" | 1 13/16" | Water, Oil | 0000000 | 000000 |
| 3/8 | 10.7 | 1000 psi @ 100° F | __ | -20° to 550° | 1 7/8" | 4 3/4" | 1 7/8" | Water, Oil | 0000000 | 000000 |
| 1/2 | 17.6 | 1000 psi @ 100° F | __ | -20° to 550° | 2 1/4" | 5" | 2 1/4" | Water, Oil | 0000000 | 000000 |
| 3/4 | 32 | 1000 psi @ 100° F | __ | -20° to 550° | 2 1/2" | 5 7/16" | 2 1/2" | Water, Oil | 0000000 | 000000 |
| 1 | 54 | 1000 psi @ 100° F | __ | -20° to 550° | 3" | 6 3/16" | 3" | Water, Oil | 0000000 | 000000 |
| 1 1/4 | 97 | 1000 psi @ 100° F | __ | -20° to 550° | 3 3/8" | 7 3/16" | 3 3/8" | Water, Oil | 0000000 | 000000 |
| 1 1/2 | 135 | 1000 psi @ 100° F | __ | -20° to 550° | 3 1/2" | 7 3/4" | 3 1/2" | Water, Oil | 0000000 | 000000 |
| 2 | 230 | 1000 psi @ 100° F | __ | -20° to 550° | 3 3/4" | 9 1/4" | 3 3/4" | Water, Oil | 0000000 | 000000 |
Wheel Handle and Rising Stem—Bronze Body and Gate
- Valve Type: Gate
- For Use With: See Table
- Specifications Met: MSS-SP-80
O'all | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Pipe Size | Flow Coefficient (Cv) | Max. Pressure | Max. Steam Pressure | Temp. Range, °F | End-to-End Lg. | Ht. | Lg. | For Use With | Each | |
NPT Female | ||||||||||
Pressure Class 125 | ||||||||||
| 1/4 | 5.6 | 200 psi @ 100° F | __ | -20° to 400° | 1 3/4" | 5" | 1 3/4" | Water, Oil | 0000000 | 000000 |
| 3/8 | 10.7 | 200 psi @ 100° F | __ | -20° to 400° | 1 13/16" | 5" | 1 13/16" | Water, Oil | 0000000 | 00000 |
| 1/2 | 17.6 | 200 psi @ 100° F | __ | -20° to 400° | 2" | 5" | 2" | Water, Oil | 0000000 | 00000 |
| 3/4 | 32 | 200 psi @ 100° F | __ | -20° to 400° | 2 1/8" | 6 5/8" | 2 1/8" | Water, Oil | 0000000 | 00000 |
| 1 | 54 | 200 psi @ 100° F | __ | -20° to 400° | 2 9/16" | 7 15/16" | 2 9/16" | Water, Oil | 0000000 | 00000 |
| 1 1/4 | 97 | 200 psi @ 100° F | __ | -20° to 400° | 2 13/16" | 9 7/8" | 2 3/4" | Water, Oil | 0000000 | 000000 |
| 1 1/2 | 135 | 200 psi @ 100° F | __ | -20° to 400° | 2 13/16" | 10 3/4" | 2 13/16" | Water, Oil | 0000000 | 000000 |
| 2 | 230 | 200 psi @ 100° F | __ | -20° to 400° | 3 5/16" | 13" | 3 5/16" | Water, Oil | 0000000 | 000000 |
| 2 1/2 | 337 | 200 psi @ 100° F | __ | -20° to 400° | 4 3/16" | 16 3/8" | 4 3/16" | Water, Oil | 0000000 | 000000 |
| 3 | 536 | 200 psi @ 100° F | __ | -20° to 400° | 4 5/8" | 11 1/16" | 4 5/8" | Water, Oil | 0000000 | 000000 |
Pressure Class 150 | ||||||||||
| 1/4 | 5.6 | 300 psi @ 100° F | 150 psi @ 365° F | -20° to 400° | 1 3/4" | 5 3/4" | 1 3/4" | Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon, Steam | 0000000 | 00000 |
| 3/8 | 10.7 | 300 psi @ 100° F | 150 psi @ 365° F | -20° to 400° | 1 7/8" | 5 3/4" | 1 7/8" | Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon, Steam | 0000000 | 00000 |
| 1/2 | 17.6 | 300 psi @ 100° F | 150 psi @ 365° F | -20° to 400° | 2 1/8" | 6 1/4" | 2 1/8" | Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon, Steam | 0000000 | 00000 |
| 3/4 | 32 | 300 psi @ 100° F | 150 psi @ 365° F | -20° to 400° | 2 1/4" | 7 5/8" | 2 1/4" | Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon, Steam | 0000000 | 00000 |
| 1 | 54 | 300 psi @ 100° F | 150 psi @ 365° F | -20° to 400° | 2 5/8" | 8 1/16" | 2 9/16" | Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon, Steam | 0000000 | 00000 |
| 1 1/4 | 97 | 300 psi @ 100° F | 150 psi @ 365° F | -20° to 400° | 2 13/16" | 9 11/16" | 2 3/4" | Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon, Steam | 0000000 | 000000 |
| 1 1/2 | 135 | 300 psi @ 100° F | 150 psi @ 365° F | -20° to 400° | 3 1/4" | 11 1/16" | 3 1/4" | Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon, Steam | 0000000 | 000000 |
| 2 | 230 | 300 psi @ 100° F | 150 psi @ 365° F | -20° to 400° | 3 5/8" | 13 1/4" | 3 5/8" | Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon, Steam | 0000000 | 000000 |
| 2 1/2 | 337 | 300 psi @ 100° F | 150 psi @ 365° F | -20° to 400° | 4 1/2" | 16 1/2" | 4 1/2" | Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon, Steam | 0000000 | 000000 |
| 3 | 536 | 300 psi @ 100° F | 150 psi @ 365° F | -20° to 400° | 4 7/8" | 19 1/16" | 4 7/8" | Water, Oil, Air, Argon, Helium, Krypton, Neon, Xenon, Steam | 0000000 | 000000 |
Pressure Class 200 | ||||||||||
| 1/4 | 5.6 | 400 psi @ 100° F | __ | -20° to 550° | 1 3/4" | 5 3/4" | 1 3/4" | Water, Oil | 0000000 | 00000 |
| 3/8 | 10.7 | 400 psi @ 100° F | __ | -20° to 550° | 1 7/8" | 5 3/4" | 1 7/8" | Water, Oil | 0000000 | 00000 |
| 1/2 | 17.6 | 400 psi @ 100° F | __ | -20° to 550° | 2 1/4" | 6 1/4" | 2 1/4" | Water, Oil | 0000000 | 00000 |
| 3/4 | 32 | 400 psi @ 100° F | __ | -20° to 550° | 2 1/2" | 7 1/8" | 2 1/2" | Water, Oil | 0000000 | 000000 |
| 1 | 54 | 400 psi @ 100° F | __ | -20° to 550° | 2 7/8" | 8 3/16" | 2 7/8" | Water, Oil | 0000000 | 000000 |
| 1 1/4 | 97 | 400 psi @ 100° F | __ | -20° to 550° | 3 1/4" | 9 11/16" | 3 1/4" | Water, Oil | 0000000 | 000000 |
| 1 1/2 | 135 | 400 psi @ 100° F | __ | -20° to 550° | 3 1/2" | 10 7/8" | 3 1/2" | Water, Oil | 0000000 | 000000 |
| 2 | 230 | 400 psi @ 100° F | __ | -20° to 550° | 3 3/4" | 13 5/16" | 3 3/4" | Water, Oil | 0000000 | 000000 |
| 2 1/2 | 337 | 400 psi @ 100° F | __ | -20° to 550° | 4 5/8" | 16 9/16" | 4 5/8" | Water, Oil | 0000000 | 00000000 |
| 3 | 536 | 400 psi @ 100° F | __ | -20° to 550° | 5" | 19 3/16" | 5" | Water, Oil | 0000000 | 00000000 |
Pressure Class 300 | ||||||||||
| 1/4 | 5.6 | 1000 psi @ 100° F | __ | -20° to 550° | 1 13/16" | 5 3/4" | 1 13/16" | Water, Oil | 0000000 | 000000 |
| 3/8 | 10.7 | 1000 psi @ 100° F | __ | -20° to 550° | 1 7/8" | 5 3/4" | 1 7/8" | Water, Oil | 0000000 | 000000 |
| 1/2 | 17.6 | 1000 psi @ 100° F | __ | -20° to 550° | 2 1/4" | 6 1/4" | 2 1/4" | Water, Oil | 0000000 | 000000 |
| 3/4 | 32 | 1000 psi @ 100° F | __ | -20° to 550° | 2 1/2" | 7 1/8" | 2 1/2" | Water, Oil | 0000000 | 000000 |
| 1 | 54 | 1000 psi @ 100° F | __ | -20° to 550° | 3" | 8 3/16" | 3" | Water, Oil | 0000000 | 000000 |
| 1 1/4 | 97 | 1000 psi @ 100° F | __ | -20° to 550° | 3 3/8" | 9 13/16" | 3 3/8" | Water, Oil | 0000000 | 000000 |
| 1 1/2 | 135 | 1000 psi @ 100° F | __ | -20° to 550° | 3 1/2" | 11" | 3 1/2" | Water, Oil | 0000000 | 000000 |
| 2 | 230 | 1000 psi @ 100° F | __ | -20° to 550° | 3 3/4" | 13 5/16" | 3 3/4" | Water, Oil | 0000000 | 000000 |
| 2 1/2 | 337 | 1000 psi @ 100° F | __ | -20° to 550° | 4 5/8" | 16 9/16" | 4 5/8" | Water, Oil | 0000000 | 00000000 |
| 3 | 536 | 1000 psi @ 100° F | __ | -20° to 550° | 5" | 19 1/8" | 5" | Water, Oil | 0000000 | 00000000 |
Gradual On/Off Valves with Solder-Connect Fittings
With Nonrising Stem
With Rising Stem
- Valve Type: Gate
- For Use With: Water, Oil
- Specifications Met: MSS-SP-80
Solder these valves to copper tubing for a permanent, leak-tight connection. They gradually open and close with multiple turns of the wheel handle to prevent system damage from suddenly starting and stopping flow.
Nonrising stems stay in the same position whether the valve is open or closed. Valves with nonrising stems are often used underground and in other low-clearance locations.
Rising stems lift as the valve opens and lower as the valve closes to provide a visual indication of whether flow is on or off. The stem is isolated from the process media for a longer service life than valves with a nonrising stem.
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.
Nonrising Stem | Rising Stem | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| For Copper Tube Size | Flow Coefficient (Cv) | Max. Pressure | Temp. Range, °F | End-to-End Lg. | For Tube OD | Each | Each | ||
Solder Connect Female | |||||||||
Bronze Body and Gate | |||||||||
| 3/8 | 5.6 | 200 psi @ 100° F | -20° to 250° | 1 5/8" | 1/2" | 0000000 | 000000 | 000000 | 00 |
| 1/2 | 10.7 | 200 psi @ 100° F | -20° to 250° | 1 7/8" | 5/8" | 0000000 | 00000 | 0000000 | 000000 |
| 3/4 | 17.6 | 200 psi @ 100° F | -20° to 250° | 2 1/2" | 7/8" | 0000000 | 00000 | 0000000 | 00000 |
| 1 | 32 | 200 psi @ 100° F | -20° to 250° | 3" | 1 1/8" | 0000000 | 00000 | 0000000 | 00000 |
| 1 1/4 | 54 | 200 psi @ 100° F | -20° to 250° | 3 1/4" | 1 3/8" | 0000000 | 000000 | 0000000 | 000000 |
| 1 1/2 | 97 | 200 psi @ 100° F | -20° to 250° | 3 5/8" | 1 5/8" | 0000000 | 000000 | 0000000 | 000000 |
| 2 | 135 | 200 psi @ 100° F | -20° to 250° | 4 5/16" | 2 1/8" | 0000000 | 000000 | 0000000 | 000000 |