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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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Easy-Fit Barbed Hose Fittings for Air and Water
Low-profile barbs and a longer first barb allow for a smoother, easier installation than other barbed fittings. Slide the barbed end into rubber hose and secure with a clamp.
Zinc-plated steel fittings have slightly better corrosion resistance than unplated steel fittings. Fittings with a threaded end are also known as hose nipples.
For technical drawings and 3-D models, click on a part number.
- Maximum Pressure: 125 psi @ 72° F, except For 5" to 8" Hose IDs: 100 psi @ 72° F
- Maximum Vacuum: For 1/2" to 4" Hose IDs: 26 in. of Hg @ 72° F
- Temperature Range: -20° to 200° F
- Attachment Type: Use Worm-Drive Clamps, Bolt Clamps or Band-and-Buckle Clamps
- Specifications Met: See table
| For Hose ID | Pipe Size  | Body Shape | Specifications Met | Each | |
Zinc-Plated Steel | |||||
|---|---|---|---|---|---|
| 8" | 8 | Round | ASME B1.20.1, ASTM A53 | 0000000 | 0000000 |
Metal Cam-and-Groove Hose Couplings for Chemicals and Petroleum
Made of metal, these couplings have better durability than plastic cam-and-groove couplings. A complete coupling consists of a plug and a socket (both sold separately) that allow you to quickly connect and disconnect medium-to large-diameter hose lines. To connect, insert the plug into the socket and press the levers down. The levers fit snugly into the groove on the plug’s body and force the plug against the gasket to form a tight seal. To disconnect, lift both levers and pull out the plug. Couplings are compatible with Andrews, Dixon, Ever-Tite, and PT cam-and-groove couplings.
Aluminum fittings are lighter in weight than 316 stainless steel fittings. They have good corrosion resistance.
Note: To ensure a correct fit, make sure that the plug and socket have the same coupling size.
Warning: Relieve all pressure before disconnecting the couplings. Do not use cam-and-groove couplings with compressed air or gas.
For technical drawings and 3-D models, click on a part number.
- For Use With: Citric Acid, Diesel Fuel, Gasoline, Hydraulic Fluid
- Maximum Pressure: See table
- Temperature Range: -65° to 250° F
- Compatible With: Andrews Cam-and-Groove, Dixon Cam-and-Groove, Ever-Tite Cam-and-Groove, PT Coupling Cam-and-Groove
- Specifications Met: 6 Coupling Size and smaller: Fed. Spec. A-A-59326
Plugs with male threaded end are also known as F adapters.
| Coupling Size | Plug OD | Pipe Size | Max. Pressure | Each | |
Aluminum | |||||
|---|---|---|---|---|---|
| 8 | 8 7/8" | 8 | 50 psi @ 72° F | 000000000 | 0000000 |
- For Use With: Citric Acid, Diesel Fuel, Gasoline, Hydraulic Fluid
- Maximum Pressure: See table
- Temperature Range: -65° to 250° F
- Compatible With: Andrews Cam-and-Groove, Dixon Cam-and-Groove, Ever-Tite Cam-and-Groove, PT Coupling Cam-and-Groove
- Specifications Met: 6 Coupling Size and smaller: Fed. Spec. A-A-59326
Plugs with female threaded end are also known as A adapters.
| Coupling Size | Plug OD | Pipe Size | Max. Pressure | Each | |
Aluminum | |||||
|---|---|---|---|---|---|
| 8 | 8 7/8" | 8 | 50 psi @ 72° F | 000000000 | 0000000 |
- For Use With: Citric Acid, Diesel Fuel, Gasoline, Hydraulic Fluid
- Maximum Pressure: See table
- Temperature Range: -65° to 250° F
- Compatible With: Andrews Cam-and-Groove, Dixon Cam-and-Groove, Ever-Tite Cam-and-Groove, PT Coupling Cam-and-Groove
- Specifications Met: 6 Coupling Size and smaller: Fed. Spec. A-A-59326
Sockets with male threaded end are also known as B couplers.
- For Use With: Citric Acid, Diesel Fuel, Gasoline, Hydraulic Fluid
- Maximum Pressure: See table
- Temperature Range: -65° to 250° F
- Compatible With: Andrews Cam-and-Groove, Dixon Cam-and-Groove, Ever-Tite Cam-and-Groove, PT Coupling Cam-and-Groove
- Specifications Met: 6 Coupling Size and smaller: Fed. Spec. A-A-59326
Straight sockets with female threaded end are also known as D couplers.
Easy-Fit Barbed Hose Fittings for Chemicals
Low-profile barbs and a longer first barb allow for a smoother, easier installation than other barbed fittings. Slide the barbed end into rubber hose and secure with a clamp. Fittings are 316 stainless steel, which has excellent corrosion resistance to withstand a variety of chemicals.
Adapters are also known as hose nipples; they adapt a barbed end to a threaded end.
For technical drawings and 3-D models, click on a part number.
- For Use With: Acetone, Isopropyl Alcohol, Mineral Oil, Sodium Hydroxide
- Maximum Pressure: See table
- Maximum Vacuum: 26 in. of Hg @ 72° F
- Temperature Range: -20° to 200° F
- Attachment Type: Use Worm-Drive Clamps, Bolt Clamps or Band-and-Buckle Clamps
- Specifications Met: ASME B1.20.1, ASTM A312
| For Hose ID | Pipe Size | Body Shape | Max. Pressure | Each | |
316 Stainless Steel | |||||
|---|---|---|---|---|---|
| 8" | 8 | Round | 25 psi @ 72° F | 0000000 | 0000000 |
Hose Unions for Chemicals and Petroleum
- For Use With: Citric Acid, Cutting Oil, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Mineral Oil, Oil
- Maximum Pressure: See table
Access your line without twisting the hose—these unions separate into three pieces. Also known as WECO couplings and hammer unions, they’re made of forged steel that’s tough enough to be tightened with the blow of a hammer. Use them with other connectors that have the same hammer union figure and pipe size.
Note: Pressure ratings are given for static (constant) pressure conditions with no instantaneous increases in pressure.
For technical drawings and 3-D models, click on a part number.
| Pipe Size | Gasket Material | Hammer Union Figure | Max. Pressure | Each | |
Steel | |||||
|---|---|---|---|---|---|
NPT Female | |||||
| 8 | Buna-N Rubber | 206 | 2,000 psi @ 72° F | 0000000 | 0000000 |
Vibration-Resistant Water Hose with Flanges
- Temperature Range: -50° to 800° F
- Maximum Vacuum: 28" of Hg @ 72° F
- Material: 304 Stainless Steel
Also known as pump connectors, hose is sized to specific lengths for attaching to pumps. Its flexible braided construction absorbs vibration to reduce wear on equipment. To connect hose, bolt two same-size flanges together. You will need a gasket to complete the seal.
For technical drawings and 3-D models, click on a part number.
| Pipe Size | Flange OD | Bolt Circle Dia. | No. of Bolt Holes | ID | OD | Bend Radius | Max. Pressure | Lg. | Each | |
Steel Flanged Pipe | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 8 × 8 | 13 1/2" × 13 1/2" | 11 3/4" × 11 3/4" | 8 × 8 | 8" | 9 1/4" | 50" | 190 psi @ 72° F | 12" | 0000000 | 0000000 |
304 Stainless Steel Flanged Pipe | ||||||||||
| 8 × 8 | 13 1/2" × 13 1/2" | 11 3/4" × 11 3/4" | 8 × 8 | 8" | 9 1/4" | 50" | 190 psi @ 72° F | 12" | 0000000 | 00000000 |
| 8 × 8 | 13 1/2" × 13 1/2" | 11 3/4" × 11 3/4" | 8 × 8 | 8" | 9 1/4" | 50" | 190 psi @ 72° F | 18" | 00000000 | 00000000 |