How to Measure Threaded Pipe Size
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How to Identify and Measure Fittings
Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.
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Float Valves for Chemicals
Made of stainless steel, these float valves have excellent corrosion resistance even when exposed to chemicals.
Valves for open tanks are for use only in an open tank.
Valves for closed tanks are designed to withstand the pressure in a closed tank.
For technical drawings and 3-D models, click on a part number.
Inlet | Outlet | Float Rod | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pipe Size  | Thread Type | Gender | Pipe Size | Thread Type | Gender | Flow Rate | Max. Pressure, psi | Float Dia. | Lg. | Pipe Size | Thread Type | Float Material | Seal Material | Temp. Range, °F | Each | |
Open Tank | ||||||||||||||||
For Use With Acetone, Alcohol, Chemicals, Hydraulic Fluid | ||||||||||||||||
316 Stainless Steel Elbow Valve Body | ||||||||||||||||
| 1/2 | NPT | Female | 1/2 | NPT | Female | 30 gpm @ 50 psi | 100 | 5" | 16" | 1/4 | NPT | 304 Stainless Steel | PTFE Plastic | 35° to 350° | 0000000 | 0000000 |
| 3/4 | NPT | Female | 3/4 | NPT | Female | 50 gpm @ 50 psi | 100 | 5" | 16" | 1/4 | NPT | 304 Stainless Steel | PTFE Plastic | 35° to 350° | 0000000 | 000000 |
| 1 | NPT | Female | 1 | NPT | Female | 75 gpm @ 50 psi | 100 | 6" | 18" | 1/4 | NPT | 304 Stainless Steel | PTFE Plastic | 35° to 350° | 0000000 | 000000 |
| 1 1/2 | NPT | Female | 1 1/2 | NPT | Female | 125 gpm @ 50 psi | 100 | 6" | 18" | 1/4 | NPT | 304 Stainless Steel | PTFE Plastic | 35° to 350° | 0000000 | 00000000 |
316 Stainless Steel Straight Valve Body | ||||||||||||||||
| 1/2 | NPT | Female | 1/2 | NPT | Female | 30 gpm @ 50 psi | 100 | 5" | 16" | 1/4 | NPT | 304 Stainless Steel | PTFE Plastic | 35° to 350° | 0000000 | 000000 |
| 3/4 | NPT | Female | 3/4 | NPT | Female | 50 gpm @ 50 psi | 100 | 5" | 16" | 1/4 | NPT | 304 Stainless Steel | PTFE Plastic | 35° to 350° | 0000000 | 000000 |
| 1 | NPT | Female | 1 | NPT | Female | 75 gpm @ 50 psi | 100 | 6" | 18" | 1/4 | NPT | 304 Stainless Steel | PTFE Plastic | 35° to 350° | 0000000 | 000000 |
| 1 1/2 | NPT | Female | 1 1/2 | NPT | Female | 125 gpm @ 50 psi | 100 | 6" | 18" | 1/4 | NPT | 304 Stainless Steel | PTFE Plastic | 35° to 350° | 0000000 | 00000000 |
Closed Tank | ||||||||||||||||
For Use With Acetone, Alcohol, Chemicals, Hydraulic Fluid | ||||||||||||||||
316 Stainless Steel Elbow Valve Body | ||||||||||||||||
| 1/2 | NPT | Female | 1/2 | NPT | Female | 30 gpm @ 50 psi | 100 | 5" | 16" | 1/8 | NPT | 304 Stainless Steel | PTFE Plastic | 35° to 350° | 00000000 | 000000 |
| 3/4 | NPT | Female | 3/4 | NPT | Female | 50 gpm @ 50 psi | 100 | 5" | 16" | 1/8 | NPT | 304 Stainless Steel | PTFE Plastic | 35° to 350° | 00000000 | 000000 |
| 1 | NPT | Female | 1 | NPT | Female | 75 gpm @ 50 psi | 100 | 6" | 18" | 1/4 | NPT | 304 Stainless Steel | PTFE Plastic | 35° to 350° | 00000000 | 000000 |
| 1 1/2 | NPT | Female | 1 1/2 | NPT | Female | 125 gpm @ 50 psi | 100 | 6" | 18" | 1/4 | NPT | 304 Stainless Steel | PTFE Plastic | 35° to 350° | 00000000 | 00000000 |
316 Stainless Steel Straight Valve Body | ||||||||||||||||
| 1/2 | NPT | Female | 1/2 | NPT | Female | 30 gpm @ 50 psi | 100 | 5" | 16" | 1/4 | NPT | 304 Stainless Steel | PTFE Plastic | 35° to 350° | 00000000 | 000000 |
| 3/4 | NPT | Female | 3/4 | NPT | Female | 50 gpm @ 50 psi | 100 | 5" | 16" | 1/4 | NPT | 304 Stainless Steel | PTFE Plastic | 35° to 350° | 00000000 | 000000 |
| 1 | NPT | Female | 1 | NPT | Female | 75 gpm @ 50 psi | 100 | 6" | 18" | 1/4 | NPT | 304 Stainless Steel | PTFE Plastic | 35° to 350° | 00000000 | 00000000 |
| 1 1/2 | NPT | Female | 1 1/2 | NPT | Female | 125 gpm @ 50 psi | 100 | 6" | 18" | 1/4 | NPT | 304 Stainless Steel | PTFE Plastic | 35° to 350° | 00000000 | 00000000 |
Right-Angle Flow Rectangular Manifolds
Distribute air or fluid to multiple locations from a single supply source with these manifolds. They are also known as headers. They have mounting holes, so you can mount from the top or side.
Stainless steel manifolds have the best corrosion resistance of all our metal manifolds. They can handle a wider temperature range than other plastic and metal manifolds. 316 stainless steel manifolds have better corrosion resistance than 303 stainless steel manifolds to handle fuel and gasoline in addition to coolant and other harsh substances.
Use a plug (sold separately) to close off any unused inlets and outlets.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Water, Hydraulic Fluid, Alcohol, Coolant, Cutting Oil, Deionized Water, Diesel Fuel, Fuel Oil, Gasoline, Mineral Oil, Nitrogen
- Temperature Range: -100° to 500° F
- Maximum Pressure:
Air: 1,000 psi @ 72° F
Water: 5,000 psi @ 72° F
Hydraulic Fluid: 5,000 psi @ 72° F
Alcohol, Coolant, Cutting Oil, Deionized Water, Diesel Fuel, Fuel Oil, Gasoline, Mineral Oil, Nitrogen: 3,000 psi @ 72° F
Inlet | Outlet | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| No. of Outlets | Pipe Size | Dash Size | Pipe Size | Dash Size | Lg. | Wd. | Ht. | Outlet Ctr.-to-Ctr. | Each | |
Outlets on One Side—Standard Outlet Spacing | ||||||||||
| 2 | 1/4 | 04 | 1/8 | 02 | 1 3/4" | 1" | 1" | 3/4" | 00000000 | 000000 |
| 2 | 3/8 | 06 | 1/4 | 04 | 2 1/8" | 1 1/4" | 1 1/4" | 1 1/8" | 00000000 | 000000 |
| 2 | 1/2 | 08 | 3/8 | 06 | 2 3/4" | 1 1/2" | 1 1/2" | 1" | 00000000 | 000000 |
| 4 | 1/4 | 04 | 1/8 | 02 | 3 1/4" | 1" | 1" | 3/4" | 00000000 | 000000 |
| 4 | 3/8 | 06 | 1/4 | 04 | 3 7/8" | 1 1/4" | 1 1/4" | 7/8" | 00000000 | 000000 |
| 4 | 1/2 | 08 | 3/8 | 06 | 4 3/4" | 1 1/2" | 1 1/2" | 1" | 00000000 | 000000 |
- For Use With: Air, Water, Hydraulic Fluid, Alcohol, Coolant, Cutting Oil, Deionized Water, Diesel Fuel, Fuel Oil, Gasoline, Mineral Oil, Nitrogen
- Temperature Range: -65° to 250° F
- Maximum Pressure: 3,500 psi @ 72° F
- Maximum Vacuum: 27 in. of Hg @ 72° F
Inlet | Outlet | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| No. of Outlets | Pipe Size | Dash Size | Pipe Size | Dash Size | Lg. | Wd. | Ht. | Outlet Ctr.-to-Ctr. | Each | |
Outlets on One Side—Standard Outlet Spacing | ||||||||||
| 2 | 1/4 | 04 | 1/8 | 02 | 1 3/4" | 1" | 1" | 3/4" | 00000000 | 0000000 |
| 3 | 1/4 | 04 | 1/8 | 02 | 2 1/2" | 1" | 1" | 3/4" | 00000000 | 000000 |
| 3 | 3/4 | 12 | 1/2 | 08 | 5 1/2" | 2" | 2" | 1 1/2" | 00000000 | 000000 |
| 4 | 3/4 | 12 | 1/2 | 08 | 7" | 2" | 2" | 1 1/2" | 00000000 | 000000 |
| 6 | 1/4 | 04 | 1/8 | 02 | 4 3/4" | 1" | 1" | 3/4" | 00000000 | 000000 |
| 6 | 3/4 | 12 | 1/2 | 08 | 10" | 2" | 2" | 1 1/2" | 00000000 | 000000 |
| 6 | 1 | 16 | 3/4 | 12 | 13" | 2 1/2" | 2 1/2" | 2" | 00000000 | 000000 |
- For Use With: Air, Water, Hydraulic Fluid, Alcohol, Coolant, Cutting Oil, Deionized Water, Diesel Fuel, Fuel Oil, Gasoline, Mineral Oil, Nitrogen
- Temperature Range: -65° to 250° F
- Maximum Pressure: 3,500 psi @ 72° F
- Maximum Vacuum: 27 in. of Hg @ 72° F
Straight-Flow Rectangular Manifolds
Unlike other manifolds, which have an inlet on either end, these have one inlet on the opposite side from the outlets. This design allows fluid or air to follow a straight path, improving flow through your system. It also frees up the ends of the manifold, so you can mount it in corners and in narrow spaces. Manifolds are also known as headers. They have mounting holes, so you can mount from the top or side.
316 stainless steel manifolds have excellent corrosion resistance. They can handle fuel, gasoline, coolant, and other harsh substances.
Use a plug (sold separately) to close off any unused inlets and outlets.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Water, Hydraulic Fluid, Alcohol, Coolant, Cutting Oil, Deionized Water, Diesel Fuel, Fuel Oil, Gasoline, Mineral Oil, Nitrogen
- Temperature Range: -60° to 250° F
- Maximum Pressure:
Air: 3,500 psi @ 72° F
Water: 3,500 psi @ 72° F
Hydraulic Fluid: 3,500 psi @ 72° F
Low-Profile Square Manifolds
With outlets on the side instead of on top, these manifolds have a lower profile than rectangular manifolds and fit well in cramped spaces. Use them to distribute air, water, or hydraulic fluid to three locations from a single supply source. Manifolds have mounting holes, so you can mount from the top.
316 stainless steel manifolds have excellent corrosion resistance and can handle fuel, gasoline, coolant and other harsh substances.
Use a plug (sold separately) to close off any unused inlets and outlets.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Water, Hydraulic Fluid, Alcohol, Coolant, Cutting Oil, Deionized Water, Diesel Fuel, Fuel Oil, Gasoline, Mineral Oil, Nitrogen
- Temperature Range: -100° to 500° F
- Maximum Pressure: 3,500 psi @ 72° F
- Maximum Vacuum: 27 in. of Hg @ 72° F
| Pipe Size | Drive | Length | Max. Pressure | Each | |
316 Stainless Steel—NPT | |||||
|---|---|---|---|---|---|
| 1/8 | External Hex | 11/16" | 3,000 psi @ 72° F | 00000000 | 00000 |
| 1/8 | External Square | 5/8" | 3,000 psi @ 72° F | 00000000 | 0000 |
| 1/4 | External Hex | 3/4" | 3,000 psi @ 72° F | 00000000 | 0000 |
| 1/4 | External Square | 11/16" | 3,000 psi @ 72° F | 00000000 | 0000 |
| 3/8 | External Hex | 7/8" | 3,000 psi @ 72° F | 00000000 | 00000 |
| 3/8 | External Square | 13/16" | 3,000 psi @ 72° F | 00000000 | 00000 |
| 1/2 | External Hex | 1" | 3,000 psi @ 72° F | 00000000 | 00000 |
| 1/2 | External Square | 15/16" | 3,000 psi @ 72° F | 00000000 | 00000 |
| 3/4 | External Hex | 1 1/8" | 3,000 psi @ 72° F | 00000000 | 00000 |
| 3/4 | External Square | 1 1/16" | 3,000 psi @ 72° F | 00000000 | 00000 |
| 1 | External Hex | 1 1/4" | 3,000 psi @ 72° F | 00000000 | 00000 |
| 1 | External Square | 1 1/4" | 3,000 psi @ 72° F | 00000000 | 00000 |
Low-Profile Hex Manifolds
When you’re short on vertical space, these manifolds are a good fit—they have outlets on the side instead of on top, so they have a lower profile than rectangular manifolds. Use them to distribute air, water, or hydraulic fluid to five locations from a single supply source. Manifolds have mounting holes, so you can mount from the top.
316 stainless steel manifolds have excellent corrosion resistance and can handle fuel, gasoline, coolant and other harsh substances.
Use a plug (sold separately) to close off any unused inlets and outlets.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Water, Hydraulic Fluid, Alcohol, Coolant, Cutting Oil, Deionized Water, Diesel Fuel, Fuel Oil, Gasoline, Mineral Oil, Nitrogen
- Temperature Range: -100° to 500° F
- Maximum Pressure: 3,500 psi @ 72° F
- Maximum Vacuum: 27 in. of Hg @ 72° F
- For Use With: Air, Water, Hydraulic Fluid, Alcohol, Coolant, Cutting Oil, Deionized Water, Diesel Fuel, Fuel Oil, Gasoline, Mineral Oil, Nitrogen
- Temperature Range: -100° to 500° F
- Maximum Pressure: 3,500 psi @ 72° F
- Maximum Vacuum: 27 in. of Hg @ 72° F
Inlet | Outlet | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| No. of Outlets | Thread Size | Dash Size | Thread Size | Dash Size | Wd. | Ht. | Outlet Spacing | Each | |
| 5 | 7/16"-20 | 4 | 5/16"-18 | 2 | 1 5/8" | 3/4" | Standard | 00000000 | 0000000 |
| 5 | 9/16"-18 | 6 | 7/16"-20 | 4 | 1 7/8" | 3/4" | Standard | 00000000 | 000000 |
| 5 | 3/4"-16 | 8 | 9/16"-18 | 6 | 2" | 1" | Standard | 00000000 | 000000 |
| 5 | 1 1/16"-12 | 12 | 3/4"-16 | 8 | 3" | 1 1/4" | Standard | 00000000 | 000000 |
| 5 | 1 5/16"-12 | 16 | 1 1/16"-12 | 12 | 2 1/2" | 1 1/2" | Standard | 00000000 | 000000 |
| 5 | 1 5/8"-20 | 20 | 1 5/16"-12 | 16 | 4 1/2" | 2 3/4" | Standard | 00000000 | 000000 |
- For Use With: Air, Water, Hydraulic Fluid, Alcohol, Coolant, Cutting Oil, Deionized Water, Diesel Fuel, Fuel Oil, Gasoline, Mineral Oil, Nitrogen
- Temperature Range: -100° to 500° F
- Maximum Pressure: 3,500 psi @ 72° F
- Maximum Vacuum: 27 in. of Hg @ 72° F
- For Use With: Air, Water, Hydraulic Fluid, Alcohol, Coolant, Cutting Oil, Deionized Water, Diesel Fuel, Fuel Oil, Gasoline, Mineral Oil, Nitrogen
- Temperature Range: -100° to 500° F
- Maximum Pressure: 3,500 psi @ 72° F
- Maximum Vacuum: 27 in. of Hg @ 72° F
- For Use With: Air, Water, Hydraulic Fluid, Alcohol, Coolant, Cutting Oil, Deionized Water, Diesel Fuel, Fuel Oil, Gasoline, Mineral Oil, Nitrogen
- Temperature Range: -100° to 500° F
- Maximum Pressure: 3,500 psi @ 72° F
- Maximum Vacuum: 27 in. of Hg @ 72° F
Inlet | Outlet | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| No. of Outlets | Thread Size | Thread Pitch, mm | Thread Size | Thread Pitch, mm | Wd., mm | Ht., mm | Outlet Spacing | Each | |
| 5 | M6 | 1 | M3 | 0.5 | 45 | 19 | Standard | 00000000 | 0000000 |
| 5 | M8 | 1 | M6 | 1 | 45 | 19 | Standard | 00000000 | 000000 |
| 5 | M10 | 1 | M8 | 1 | 45 | 19 | Standard | 00000000 | 000000 |
| 5 | M12 | 1.5 | M10 | 1 | 47 | 19 | Standard | 00000000 | 000000 |
| 5 | M14 | 1.5 | M12 | 1.5 | 47 | 19 | Standard | 00000000 | 000000 |
| 5 | M16 | 1.5 | M14 | 1.5 | 47 | 25 | Standard | 00000000 | 000000 |
| 5 | M20 | 1.5 | M18 | 1.5 | 50 | 31 | Standard | 00000000 | 000000 |
| 5 | M22 | 1.5 | M20 | 1.5 | 50 | 38 | Standard | 00000000 | 000000 |
| Pipe Size | Max. Pressure | Each | |
316 Stainless Steel—BSPP | |||
|---|---|---|---|
| 1/8 | 2,000 psi @ 72° F | 00000000 | 000000 |
| 1/4 | 2,000 psi @ 72° F | 00000000 | 00000 |
316 Stainless Steel—BSPT | |||
| 1/8 | 2,000 psi @ 72° F | 00000000 | 00000 |
| 1/4 | 2,000 psi @ 72° F | 00000000 | 00000 |
| 3/8 | 2,000 psi @ 72° F | 00000000 | 00000 |
| 1/2 | 2,000 psi @ 72° F | 00000000 | 00000 |
| Pipe Size | Max. Pressure | Pressure Class | Each | |
316 Stainless Steel—NPT | ||||
|---|---|---|---|---|
| 1/8 | 3,000 psi @ 72° F | 3000 | 00000000 | 00000 |
| 1/4 | 3,000 psi @ 72° F | 3000 | 00000000 | 0000 |
| 3/8 | 3,000 psi @ 72° F | 3000 | 00000000 | 00000 |
| 1/2 | 3,000 psi @ 72° F | 3000 | 00000000 | 00000 |
| 3/4 | 3,000 psi @ 72° F | 3000 | 00000000 | 00000 |
316 Stainless Steel—BSPP | ||||
| 1/8 | 2,000 psi @ 72° F | __ | 00000000 | 00000 |
| 1/4 | 2,000 psi @ 72° F | __ | 00000000 | 00000 |
| 3/8 | 2,000 psi @ 72° F | __ | 00000000 | 00000 |
| 1/2 | 2,000 psi @ 72° F | __ | 00000000 | 00000 |
Round Manifolds for Hose Lines
Mount these manifolds on the end of a hose line to distribute air, water, or hydraulic fluid to three locations from a single supply source.
316 stainless steel manifolds have excellent corrosion resistance and can handle fuel, gasoline, coolant and other harsh substances.
- Temperature Range: -60° to 500° F
- Maximum Pressure:
Air: 1,000 psi @ 72° F
Water: 3,500 psi @ 72° F
Hydraulic Fluid: 3,500 psi @ 72° F - Maximum Vacuum: 27 in. of Hg @ 72° F
Inlet | Outlet | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| No. of Outlets | Pipe Size | Dash Size | Pipe Size | Dash Size | Lg. | OD | Outlet Ctr.-to-Ctr. | Outlet Spacing | Each | |
NPT Inlets × NPT Outlets | ||||||||||
| 3 | 1/4 | 04 | 1/4 | 04 | 1 1/2" | 1 5/8" | 1" | Standard | 00000000 | 000000 |
| 3 | 3/8 | 06 | 1/4 | 04 | 1 1/2" | 1 5/8" | 1" | Standard | 00000000 | 00000 |
| 3 | 1/2 | 08 | 1/4 | 04 | 1 1/2" | 1 5/8" | 1" | Standard | 00000000 | 000000 |
| 3 | 1/2 | 08 | 3/8 | 06 | 1 3/4" | 2" | 1 1/4" | Standard | 00000000 | 000000 |
| 3 | 3/4 | 12 | 1/2 | 08 | 2 1/2" | 3" | 1 3/4" | Standard | 00000000 | 000000 |
BSPT Inlets × BSPT Outlets | ||||||||||
| 3 | 1/4 | 04 | 1/4 | 04 | 1 1/2" | 1 5/8" | 1" | Standard | 00000000 | 00000 |
| 3 | 3/8 | 06 | 1/4 | 04 | 1 1/2" | 1 5/8" | 1" | Standard | 00000000 | 00000 |
| 3 | 1/2 | 08 | 1/4 | 04 | 1 1/2" | 1 5/8" | 1" | Standard | 00000000 | 000000 |
| 3 | 1/2 | 08 | 3/8 | 06 | 1 3/4" | 2" | 1 1/4" | Standard | 00000000 | 000000 |
Straight-Flow Junction Blocks
Use these junction blocks to organize and separate multiple lines in your system. They have threaded holes that allow air, water, or hydraulic fluid to flow straight through the block. They have mounting holes, so you can mount from the side.
316 stainless steel junction blocks have excellent corrosion resistance and can handle fuel, gasoline, coolant, and other harsh substances.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Water, Hydraulic Fluid, Alcohol, Coolant, Cutting Oil, Deionized Water, Diesel Fuel, Fuel Oil, Gasoline, Mineral Oil, Nitrogen
- Temperature Range: -100° to 500° F
- Maximum Pressure:
Air: 1,000 psi @ 72° F
Water: 3,500 psi @ 72° F
Hydraulic Fluid: 3,500 psi @ 72° F - Maximum Vacuum: Not Rated
Inlet | Outlet | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| No. of Outlets | Pipe Size | Dash Size | Pipe Size | Dash Size | Lg. | Wd. | Ht. | Outlet Ctr.-to-Ctr. | Outlet Spacing | Each | |
| 2 | 1/8 | 02 | 1/8 | 02 | 1 3/4" | 1" | 1" | 3/4" | Standard | 00000000 | 0000000 |
| 2 | 1/4 | 04 | 1/4 | 04 | 1 3/4" | 1" | 1" | 7/8" | Standard | 00000000 | 000000 |
| 4 | 1/8 | 02 | 1/8 | 02 | 3 1/4" | 1" | 1" | 3/4" | Standard | 00000000 | 000000 |
| 4 | 1/4 | 04 | 1/4 | 04 | 4 1/8" | 1" | 1" | 7/8" | Standard | 00000000 | 000000 |
| 4 | 3/8 | 06 | 3/8 | 06 | 7 3/4" | 1 1/2" | 1 1/2" | 1 1/2" | Standard | 00000000 | 000000 |