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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Crimp-On Wire Splicing Connectors
A plastic cover fully insulates these splices and is clear so you can visually confirm the connection. Twist stripped wires together, insert them into the connector, and then crimp for a dependable connection.
For technical drawings and 3-D models, click on a part number.
| For Wire Gauge  | Min. Wire Combination | Max. Wire Combination | Color | For Wire Type | Insulation Material | Terminal Material | Max. Voltage | Max. Temperature, °F | Specifications Met | Pkg. Qty. | Pkg. | |
| 22-14 | One 18-ga. Wire with One 22-ga. Wire | One 16-ga. Wire with Two 20-ga. Wires | Clear | Solid, Stranded | Nylon Plastic | Copper | 300V AC 300V DC | 220° | UL Listed, CSA Certified | 50 | 00000000 | 00000 |
| 22-12 | One 20-ga. Wire with One 22-ga. Wire | One 14-ga. Wire with Two 18-ga. Wires | Clear | Solid, Stranded | Nylon Plastic | Copper | 600V AC 600V DC | 220° | UL Listed, CSA Certified | 50 | 0000000 | 0000 |
| 18-8 | Four 18-ga. Wires | One 8-ga. Wire with One 14-ga. Wire | Clear | Stranded | Nylon Plastic | Copper | 600V AC 600V DC | 220° | UL Listed, CSA Certified | 50 | 0000000 | 00000 |
| 16-10 | Two 16-ga. Wires | Two 12-ga. Wires | Clear | Solid, Stranded | Nylon Plastic | Copper | 600V AC 600V DC | 220° | UL Listed, CSA Certified | 50 | 0000000 | 0000 |
Noninsulated Crimp-On Wire Splicing Connectors
Twist stripped wires together, insert them into the connector, and then crimp for a dependable connection.
For technical drawings and 3-D models, click on a part number.
| For Wire Gauge | Min. Wire Combination | Max. Wire Combination | For Wire Type | Terminal Material | Pkg. Qty. | Pkg. | |
| 22-14 | One 18-ga. Wire with One 22-ga. Wire | One 16-ga. Wire with Two 20-ga. Wires | Solid, Stranded | Tin-Plated Copper | 50 | 0000000 | 00000 |
| 22-12 | One 20-ga. Wire with One 22-ga. Wire | One 14-ga. Wire with Two 18-ga. Wires | Solid, Stranded | Tin-Plated Copper | 50 | 0000000 | 0000 |
| 18-8 | Four 18-ga. Wires | One 8-ga. Wire with One 14-ga. Wire | Stranded | Tin-Plated Copper | 50 | 0000000 | 00000 |
| 16-10 | Two 16-ga. Wires | Two 12-ga. Wires | Solid, Stranded | Tin-Plated Copper | 50 | 0000000 | 0000 |
Heat-Shrink Crimp-On Wire Splicing Connectors
Create a secure connection that resists corrosion and water. Crimp these connectors closed after you’ve inserted stripped wires that have been twisted together. The adhesive-lined insulation shrinks when heat is applied, forming a seal. Since they’re fully insulated, there’s no metal exposed when connected.
For technical drawings and 3-D models, click on a part number.
| For Wire Gauge | Min. Wire Combination | Max. Wire Combination | For Wire Type | Color | Insulation Material | Terminal Material | Shrink Temp., °F | Max. Voltage | Max. Temp., °F | Specifications Met | Pkg. Qty. | Pkg. | |
| 22-14 | Two 22-ga. Wires | One 14-ga. Wire with One 20-ga. Wire | Solid, Stranded | Clear | Nylon Plastic | Tin-Plated Copper | 250° | 600V AC 600V DC | 230° | UL Listed, C-UL Listed | 10 | 0000000 | 000000 |
| 18-10 | Two 18-ga. Wires | One 10-ga. Wire with One 16-ga. Wire | Solid, Stranded | Clear | Nylon Plastic | Tin-Plated Copper | 250° | 600V AC 600V DC | 230° | UL Listed, C-UL Listed | 10 | 0000000 | 00000 |
Solder-Loaded Heat-Shrink Wire Splicing Connectors
When you apply heat to these connectors, the solder inside melts to create the most secure, electrically conductive, and environmentally sealed connection we offer. They also have an adhesive-lined insulation that shrinks and bonds to wire when heated, protecting it from water and corrosion.
For technical drawings and 3-D models, click on a part number.
| For Wire Gauge | For Wire Type | Color | Insulation Material | Terminal Material | Shrink Temperature, °F | Max. Voltage | Max. Temperature, °F | Specifications Met | Pkg. Qty. | Pkg. | |
| 18-14 | Stranded | Blue | PVDF Plastic | Copper | 824° | 600V AC 600V DC | 257° | UL Listed, C-UL Listed | 5 | 0000000 | 000000 |
| 14-12 | Stranded | Blue | PVDF Plastic | Copper | 824° | 600V AC 600V DC | 257° | UL Listed, C-UL Listed | 5 | 0000000 | 00000 |
| 12-8 | Stranded | Blue | PVDF Plastic | Copper | 824° | 600V AC 600V DC | 257° | UL Listed, C-UL Listed | 5 | 0000000 | 00000 |
Low-Pressure Press-Connect Steel Unthreaded Pipe Fittings
- For Use On:
EPDM Rubber O-Ring: Ethylene Glycol, Propylene Glycol, Water
Buna-N Rubber O-Ring: Air, Lubricants, Propane, Fuel Oil, Natural Gas, Diesel Fuel - Specifications Met:
EPDM Rubber O-Ring: ASME B31,1, ASME B31.3, ASME B31.9, FM 1920, UL 213
Buna-N Rubber O-Ring: ASME B31.1, ASME B31.3, ASME B31.9, ANSI LC4/CSA 6.32, International Fuel Gas Code - Maximum Pressure:
EPDM Rubber O-Ring: 200 psi @ 72° F
Buna-N Rubber O-Ring: 125 psi @ 72° F - Pipe Nipples and Pipe: Use Schedule 40 Steel
- Flanges: Use Class 150 Steel
Crimp these fittings onto steel pipe to form a tightly sealed connection that’s faster than threading or welding and doesn’t require heat. An internal gripping ring and rubber O-ring create a secure seal when crimped. They are designed to leak if fittings have not been crimped; a colored dot marks the leak path so it's easy to spot unsealed connections. These steel fittings are coated in zinc-nickel to resist corrosion, but will rust if frequently exposed to saltwater or harsh chemicals. They are comparable to Viega MegaPress steel fittings.
Fittings meet ASME B31 code requirements for use in pressure piping systems.
Fittings with an EPDM rubber O-ring are often used for water processing lines, fire sprinklers, and heating and cooling systems. EPDM rubber won’t degrade when exposed to water, ethylene glycol, and propylene glycol. These fittings meet UL 213 and FM 1920 standards for use in fire protection systems.
Buna-N rubber O-rings hold up to natural gas, propane, diesel fuel, lubricants, and other oils. Fittings with these O-rings are often used in fuel gas systems and air lines. They meet the ANSI LC4/CSA 6.32 standard for fuel gas systems and comply with the International Fuel Gas Code.
For technical drawings and 3-D models, click on a part number.
Crimping tools seal fittings in less than five seconds. These tools are cordless, so you can take them to any job. Connect the jaw or ring that matches your pipe size to these tools, then pull the trigger to crimp the fitting. The pivoting head lets you access connections from any angle.
Battery | |||||||
|---|---|---|---|---|---|---|---|
| Voltage | No. Included | Cap., amp-hrs. | Battery Charger Included | Battery Charging Time, min. | Compatible With | Each | |
| 18V DC | 2 | 3 | Yes | 39 | Viega MegaPress Viega ProPress Viega ProPress XL-C | 00000000 | 000000000 |
Jaw and ring sets include three jaws, three rings, and one ring actuator jaw. Jaws are for pipe sizes 1/2 to 1; they fit directly into the crimping tool. Rings are for pipe sizes 1 1/4 to 2; clip the ring around the fitting and use the ring actuator jaw and crimping tool to press the open ends together.
For Pipe | ||||||||
|---|---|---|---|---|---|---|---|---|
| Size | Material | For Manufacturer | For Manufacturer Model No. | Compatible With | Includes | Container Type | Each | |
| 1/2, 3/4, 1, 1 1/4, 1 1/2, 2 | Stainless Steel, Steel | Ridgid | RP 340 | Viega MegaPress | One Ring Actuator Jaw Three Jaws (1/2-1 Pipe Size) Three Rings (1 1/4-2 Pipe Size) | Carrying Case | 00000000 | 000000000 |
Low-Pressure Press-Connect Stainless Steel Unthreaded Pipe Fittings
- For Use With: Air, Ethylene Glycol, Propylene Glycol, Water, Diesel Fuel, Fuel Oil
- Maximum Pressure: 125 psi @ 72° F
- Specifications Met: ASME B31.1, ASME B31.3, ASME B31.9
- O-Ring Material: Fluoroelastomer Rubber
- Pipe Nipples and Pipe: Use Schedule 10, 40 Stainless Steel
- Flanges: Use Class 150 Stainless Steel
Press these fittings onto stainless steel pipe using a crimping tool for a permanent, leak-tight connection that's faster than threading or welding and doesn't require heat. Fittings have an internal stainless steel gripping ring and rubber O-ring that create a seal when crimped. They are designed to leak if fittings have not been crimped; a colored dot marks the leak path so it's easy to spot unsealed connections. All of these fittings are made of 304 stainless steel to resist corrosion from frequent exposure to water and fuels. They’re often used for water processing lines, heating and cooling systems, and fuel lines. They are comparable to Viega MegaPress fittings.
Fittings meet ANSI/ASME B31 code requirements for use in pressure piping systems.
For technical drawings and 3-D models, click on a part number.
Crimping tools seal fittings in less than five seconds. These tools are cordless, so you can take them to any job. Connect the jaw or ring that matches your pipe size to these tools, then pull the trigger to crimp the fitting. The pivoting head lets you access connections from any angle.
Battery | |||||||
|---|---|---|---|---|---|---|---|
| Voltage | No. Included | Cap., amp-hrs. | Battery Charger Included | Battery Charging Time, min. | Compatible With | Each | |
| 18V DC | 2 | 3 | Yes | 39 | Viega MegaPress Viega ProPress Viega ProPress XL-C | 00000000 | 000000000 |
Jaw and ring sets include three jaws, three rings, and one ring actuator jaw. Jaws are for pipe sizes 1/2 to 1; they fit directly into the crimping tool. Rings are for pipe sizes 1 1/4 to 2; clip the ring around the fitting and use the ring actuator jaw and crimping tool to press the open ends together.
For Pipe | ||||||||
|---|---|---|---|---|---|---|---|---|
| Size | Material | For Manufacturer | For Manufacturer Model No. | Compatible With | Includes | Container Type | Each | |
| 1/2, 3/4, 1, 1 1/4, 1 1/2, 2 | Stainless Steel, Steel | Ridgid | RP 340 | Viega MegaPress | One Ring Actuator Jaw Three Jaws (1/2-1 Pipe Size) Three Rings (1 1/4-2 Pipe Size) | Carrying Case | 00000000 | 000000000 |