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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Selecting and Measuring Expansion Joints
For information about selecting pipe size, see Selecting and Measuring Pipe & Fittings.
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Fiberglass Pipe Fittings for Corrosive Chemicals
- For Use With: Acetic Acid (75%), Alcohol, Calcium Chloride, Chlorine, Fuel Oil, Gasoline, Hydrochloric Acid (37%), Nitric Acid (10%), Oil, Phosphoric Acid, Salt Water (30%), Sodium Hydroxide (50%), Solvents, Sulfuric Acid (70%), Water
- Temperature Range: 32° to 200° F
- Specifications Met: ASTM D3567
These fittings have excellent corrosion resistance to handle a wide range of acids and other highly-corrosive chemicals. They are commonly used in metal surface treating applications, plating solution lines, and other chemical process applications. Reinforced with layers of fiberglass, they have better strength and durability than any of our other pipe fittings for chemicals. Fittings meet ASTM D3567 specifications for product dimensions.
To connect fittings to pipe, first sand the inside of the fitting and the end of the pipe to remove the surface finish. Next, mix the adhesive (sold separately) until the color is uniform with no streaks. Apply a thin layer of mixed adhesive to the sanded area of the pipe, approximately 1/8” thick. Repeat this process with the inside of the fitting, applying a layer approximately 1/16” thick. After sealant has been applied, push the fitting onto the pipe until it is fully engaged. Finally, use the adhesive-curing heat cable (sold separately) to cure the adhesive. Wrap the tape around the pipe and fitting at the joint, taking care to not overlap the tape. Once you have waited the full cure time, the pipe and fitting will be ready to use.
Warning: Never use plastic pipe fittings and pipe with compressed air or gas.
(A) | (B) | |||||||
|---|---|---|---|---|---|---|---|---|
| Pipe Size  | Socket Dp. | Pipe Size | Socket Dp. | Material | Color | Max. Pressure | Each | |
| 2 | 1 1/2" | 1 1/2 | 1 5/16" | Fiberglass | Black | 250 psi @ 72° F | 0000000 | 0000000 |
| 3 | 2" | 1 1/2 | 1 1/2" | Fiberglass | Black | 250 psi @ 72° F | 0000000 | 000000 |
| 3 | 2" | 2 | 1 1/2" | Fiberglass | Black | 250 psi @ 72° F | 0000000 | 000000 |
| 4 | 2 5/8" | 2 | 1 1/2" | Fiberglass | Black | 150 psi @ 72° F | 0000000 | 000000 |
| 4 | 2 5/8" | 3 | 2" | Fiberglass | Black | 150 psi @ 72° F | 0000000 | 000000 |
| Pipe Cement (11.8-fl. oz. Can) | 0000000 | Each | 000000 |
| Voltage | Max. Heat Output, °F | Lg. | Wd. | Thick. | Plug Type | Cord Lg. | Each | |
| 120V AC | 270° | 6 ft. | 1" | 1/8" | Two Prong | 6 ft. | 0000000 | 0000000 |
Fiberglass Pipe Flanges for Corrosive Chemicals
- For Use With: Acetic Acid (75%), Alcohol, Calcium Chloride, Chlorine, Fuel Oil, Gasoline, Hydrochloric Acid (37%), Nitric Acid (10%), Oil, Phosphoric Acid, Salt Water (30%), Sodium Hydroxide (50%), Solvents, Sulfuric Acid (70%), Water
- Temperature Range: 32° to 200° F
- Specifications Met: ASTM D4024
Flanges have excellent corrosion resistance to handle a wide range of acids and other highly-corrosive chemicals. Use in metal surface treating applications, plating solution lines, and other chemical process applications. They are reinforced with fiberglass layers for better strength and durability than any of our other pipe flanges for chemicals. Bolt two same-size flanges together with a gasket (sold separately) to create an access point within a line. Flanges meet ASTM D4024 specifications and testing requirements for product dimensions, performance, and material quality.
To connect flanges to pipe, first sand the inside of the flange and the end of the pipe to remove the surface finish. Next, mix the adhesive (sold separately) until the color is uniform with no streaks. Apply a thin layer of mixed adhesive to the sanded area of the pipe, approximately 1/8” thick. Repeat this process with the inside of the flange, applying a layer approximately 1/16” thick. After sealant has been applied, push the flange onto the pipe until it is fully engaged. Make sure you align the bolt holes prior to installing to minimize rotation after the flange is installed. Finally, use the adhesive-curing heat cable (sold separately) to cure the adhesive. Wrap the tape around the pipe and flange at the joint, taking care to not overlap the tape. Once you have waited the full cure time, the pipe and flange will be ready to use.
Warning: Never use plastic pipe flanges and pipe with compressed air or gas.
| Pipe Size | Socket Dp. | Flange OD | For Bolt Dia. | Bolt Hole Dia. | Number of Bolt Holes | Bolt Circle Dia. | Material | Color | Max. Pressure | Each | |
| 1 1/2 | 1 3/8" | 5" | 1/2" | 5/8" | 4 | 3 7/8" | Fiberglass | Black | 300 psi @ 72° F | 0000000 | 0000000 |
| 2 | 1 3/4" | 6" | 5/8" | 3/4" | 4 | 4 3/4" | Fiberglass | Black | 250 psi @ 72° F | 0000000 | 000000 |
| 3 | 2" | 7 1/2" | 5/8" | 3/4" | 4 | 6" | Fiberglass | Black | 250 psi @ 72° F | 0000000 | 000000 |
| 4 | 2 1/2" | 9" | 5/8" | 3/4" | 8 | 7 1/2" | Fiberglass | Black | 150 psi @ 72° F | 0000000 | 000000 |
| Pipe Cement (11.8-fl. oz. Can) | 0000000 | Each | 000000 |
Cap flanges are also known as blind flanges.
| Pipe Size | Flange OD | For Bolt Dia. | Bolt Hole Dia. | Number of Bolt Holes | Bolt Circle Dia. | Material | Color | Max. Pressure | Each | |
| 1 1/2 | 5" | 1/2" | 5/8" | 4 | 3 7/8" | Fiberglass | Black | 300 psi @ 72° F | 0000000 | 0000000 |
| 2 | 6" | 5/8" | 3/4" | 4 | 4 3/4" | Fiberglass | Black | 250 psi @ 72° F | 0000000 | 000000 |
| 3 | 7 1/2" | 5/8" | 3/4" | 4 | 6" | Fiberglass | Black | 250 psi @ 72° F | 0000000 | 000000 |
| 4 | 9" | 5/8" | 3/4" | 8 | 7 1/2" | Fiberglass | Black | 150 psi @ 72° F | 0000000 | 000000 |
| Pipe Cement (11.8-fl. oz. Can) | 0000000 | Each | 000000 |
| Voltage | Max. Heat Output, °F | Lg. | Wd. | Thick. | Plug Type | Cord Lg. | Each | |
| 120V AC | 270° | 6 ft. | 1" | 1/8" | Two Prong | 6 ft. | 0000000 | 0000000 |
Fiberglass Pipe for Corrosive Chemicals
- For Use With: Acetic Acid (75%), Alcohol, Calcium Chloride, Chlorine, Fuel Oil, Gasoline, Hydrochloric Acid (37%), Nitric Acid (10%), Oil, Phosphoric Acid, Salt Water (30%), Sodium Hydroxide (50%), Sulfuric Acid (70%), Water
- Temperature Range: 32° to 200° F
- Specifications Met: ASTM D2310, ASTM D3567
With excellent corrosion resistance, this pipe can handle a wide range of acids and other highly-corrosive chemicals. Use in metal surface treating applications, plating solution lines, and other chemical process applications. Layers of fiberglass give this pipe better strength and durability than any of our other pipe for chemicals. Pipe meets ASTM D2310 and ASTM D3567 specifications and testing requirements for product dimensions, performance, and material quality.
To connect fittings to pipe, first sand the inside of the fitting and the end of the pipe to remove the surface finish. Next, mix the adhesive (sold separately) until the color is uniform with no streaks. Apply a thin layer of mixed adhesive to the sanded area of the pipe, approximately 1/8” thick. Repeat this process with the inside of the fitting, applying a layer approximately 1/16” thick. After sealant has been applied, push the fitting onto the pipe until it is fully engaged. Finally, use the adhesive-curing heat cable (sold separately) to cure the adhesive. Wrap the tape around the pipe and fitting at the joint, taking care to not overlap the tape. Once you have waited the full cure time, the pipe and fitting will be ready to use.
Warning: Never use plastic pipe fittings and pipe with compressed air or gas.
5 ft. | 10 ft. | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Pipe Size | OD | ID | Wall Thick. | Material | Color | Max. Pressure | Each | Each | ||
| 1 1/2 | 1 7/8" | 1.6" | 0.14" | Fiberglass | Green | 300 psi @ 72° F | 0000000 | 0000000 | 0000000 | 0000000 |
| 2 | 2 3/8" | 2.06" | 0.16" | Fiberglass | Green | 250 psi @ 72° F | 0000000 | 000000 | 0000000 | 000000 |
| 3 | 3 1/2" | 3.07" | 0.22" | Fiberglass | Green | 250 psi @ 72° F | 0000000 | 000000 | 0000000 | 000000 |
| 4 | 4 1/2" | 4.03" | 0.24" | Fiberglass | Green | 150 psi @ 72° F | 0000000 | 000000 | 0000000 | 000000 |
| Pipe Cement (11.8-fl. oz. Can) | 0000000 | Each | 000000 |
| Voltage | Current | Max. Heat Output, °F | Lg. | Wd. | Thick. | Plug Type | Cord Lg. | Each | |
| 120V AC | 15 A | 270° | 6 ft. | 1" | 1/8" | Two Prong | 6 ft. | 0000000 | 0000000 |
Clamp-On Expansion Joints
- For Use With: Calcium Chloride, Oil, Petroleum, Sewage, Sludge, Sodium Carbonate (20% in Water), Water
- Temperature Range:
Neoprene Rubber: -20° to 220° F
Silicone Rubber: -75° to 500° F - Maximum Pressure: 150 psi @ 72° F
- Maximum Vacuum: 20 in. of Hg @ 72° F
Slip these joints over your pipe ends and tighten the band clamps for a secure hold. Joints have a triple-bulb design that provides excellent vibration absorption to reduce stress on your piping system. They also have reinforcing rings for extra support during pressure surges and in vacuum applications.
Distance | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| For Pipe OD | Pipe Size | Lg. | Compression | Expansion | Offset | Expansion Joint Type | Reinforcement Material | Band Clamp Material | Each | |
Silicone Rubber | ||||||||||
| 2 3/8" | 2 | 7" | 1" | 1/2" | 1 1/8" | Triple Bulb | Fiberglass | 300 Series Stainless Steel | 00000000 | 0000000 |
| 2 7/8" | 2 1/2 | 7" | 1" | 1/2" | 1 1/8" | Triple Bulb | Fiberglass | 300 Series Stainless Steel | 00000000 | 000000 |
| 3 1/2" | 3 | 7" | 1" | 1/2" | 1 1/8" | Triple Bulb | Fiberglass | 300 Series Stainless Steel | 00000000 | 000000 |
| 4 1/2" | 4 | 7" | 1" | 1/2" | 1 1/8" | Triple Bulb | Fiberglass | 300 Series Stainless Steel | 00000000 | 000000 |
| 5 9/16" | 5 | 7" | 1" | 1/2" | 1 1/8" | Triple Bulb | Fiberglass | 300 Series Stainless Steel | 00000000 | 000000 |
| 6 5/8" | 6 | 7" | 1" | 1/2" | 1 1/8" | Triple Bulb | Fiberglass | 300 Series Stainless Steel | 00000000 | 000000 |
| 8 5/8" | 8 | 7" | 1" | 1/2" | 1 1/8" | Triple Bulb | Fiberglass | 300 Series Stainless Steel | 00000000 | 000000 |
| 10 3/4" | 10 | 7" | 1" | 1/2" | 1 1/8" | Triple Bulb | Fiberglass | 300 Series Stainless Steel | 00000000 | 000000 |
| 12 3/4" | 12 | 7" | 1" | 1/2" | 1 1/8" | Triple Bulb | Fiberglass | 300 Series Stainless Steel | 00000000 | 000000 |
Ultra-Chemical-Resistant High-Strength PTFE Pipe Gaskets
Reinforced with fiberglass filler for strength, these PTFE gaskets won’t thin out when compressed. They resist hydrocarbons, solvents, refrigerants, and moderate concentrations of acids. Also known as ring gaskets, use them with raised-surface pipe flanges; they fit the surface inside the bolt holes and do not interfere with the bolt connection. All gaskets are compatible with low-pressure pipe flanges and are sized to meet ANSI standards.
| For Pipe Size | ID | OD | Thick. | Max. Pressure, psi | Temperature Range, °F | Color | Each | |
For ANSI Class 150 | ||||||||
|---|---|---|---|---|---|---|---|---|
| 1/2 | 27/32" | 1 7/8" | 1/16" | 800 | -450° to 500° | Blue | 0000000 | 00000 |
| 3/4 | 1 1/16" | 2 1/4" | 1/16" | 800 | -450° to 500° | Blue | 0000000 | 0000 |
| 1 | 1 5/16" | 2 5/8" | 1/16" | 800 | -450° to 500° | Blue | 0000000 | 0000 |
| 1 1/4 | 1 21/32" | 3" | 1/16" | 800 | -450° to 500° | Blue | 0000000 | 0000 |
| 1 1/2 | 1 29/32" | 3 3/8" | 1/16" | 800 | -450° to 500° | Blue | 0000000 | 0000 |
| 2 | 2 3/8" | 4 1/8" | 1/16" | 800 | -450° to 500° | Blue | 0000000 | 00000 |
| 2 1/2 | 2 7/8" | 4 7/8" | 1/16" | 800 | -450° to 500° | Blue | 0000000 | 00000 |
| 3 | 3 1/2" | 5 3/8" | 1/16" | 800 | -450° to 500° | Blue | 0000000 | 00000 |
| 4 | 4 1/2" | 6 7/8" | 1/16" | 800 | -450° to 500° | Blue | 0000000 | 00000 |
| 5 | 5 9/16" | 7 3/4" | 1/16" | 800 | -450° to 500° | Blue | 0000000 | 00000 |
| 6 | 6 5/8" | 8 3/4" | 1/16" | 800 | -450° to 500° | Blue | 0000000 | 00000 |
| 8 | 8 5/8" | 11" | 1/16" | 800 | -450° to 500° | Blue | 0000000 | 00000 |
| 10 | 10 3/4" | 13 3/8" | 1/16" | 800 | -450° to 500° | Blue | 0000000 | 000000 |
| 12 | 12 3/4" | 16 1/8" | 1/16" | 800 | -450° to 500° | Blue | 0000000 | 000000 |
Ultra-Chemical-Resistant High-Strength PTFE Pipe Gaskets with Bolt Holes
A fiberglass filler in these PTFE gaskets provides strength to prevent them from thinning out when compressed. They resist hydrocarbons, solvents, refrigerants, and moderate concentrations of acids. Commonly called full-face gaskets, they cover the entire face of flat-surface pipe flanges and align with the bolt holes. All gasket specifications are sized to meet ANSI standards. Gaskets for ANSI Class 150 flanges are compatible with low-pressure pipe flanges. Gaskets for ANSI Class 300 flanges are compatible with medium-pressure pipe flanges.
| For Pipe Size | ID | OD | Thick. | No. of Bolt Holes | Max. Pressure, psi | Temperature Range, °F | Color | Each | |
For ANSI Class 150 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1/2 | 27/32" | 3 1/2" | 1/16" | 4 | 800 | -450° to 500° | Blue | 0000000 | 00000 |
| 3/4 | 1 1/16" | 3 7/8" | 1/16" | 4 | 800 | -450° to 500° | Blue | 0000000 | 0000 |
| 1 | 1 5/16" | 4 1/4" | 1/16" | 4 | 800 | -450° to 500° | Blue | 0000000 | 00000 |
| 1 1/4 | 1 21/32" | 4 5/8" | 1/16" | 4 | 800 | -450° to 500° | Blue | 0000000 | 00000 |
| 1 1/2 | 1 29/32" | 5" | 1/16" | 4 | 800 | -450° to 500° | Blue | 0000000 | 00000 |
| 2 | 2 3/8" | 6" | 1/16" | 4 | 800 | -450° to 500° | Blue | 0000000 | 00000 |
| 2 1/2 | 2 7/8" | 7" | 1/16" | 4 | 800 | -450° to 500° | Blue | 0000000 | 00000 |
| 3 | 3 1/2" | 7 1/2" | 1/16" | 4 | 800 | -450° to 500° | Blue | 0000000 | 00000 |
| 3 1/2 | 4" | 8 1/2" | 1/16" | 8 | 800 | -450° to 500° | Blue | 0000000 | 00000 |
| 4 | 4 1/2" | 9" | 1/16" | 8 | 800 | -450° to 500° | Blue | 0000000 | 00000 |
| 5 | 5 9/16" | 10" | 1/16" | 8 | 800 | -450° to 500° | Blue | 0000000 | 00000 |
| 6 | 6 5/8" | 11" | 1/16" | 8 | 800 | -450° to 500° | Blue | 0000000 | 00000 |
| 8 | 8 5/8" | 13 1/2" | 1/16" | 8 | 800 | -450° to 500° | Blue | 0000000 | 000000 |
| 10 | 10 3/4" | 16" | 1/16" | 12 | 800 | -450° to 500° | Blue | 0000000 | 000000 |
| 12 | 12 3/4" | 19" | 1/16" | 12 | 800 | -450° to 500° | Blue | 0000000 | 000000 |
For ANSI Class 300 | |||||||||
| 1 | 1 5/16" | 4 7/8" | 1/16" | 4 | 800 | -450° to 500° | Blue | 00000000 | 00000 |
| 1 1/2 | 1 29/32" | 6 1/8" | 1/16" | 4 | 800 | -450° to 500° | Blue | 00000000 | 00000 |
| 2 | 2 3/8" | 6 1/2" | 1/16" | 8 | 800 | -450° to 500° | Blue | 00000000 | 00000 |
| 2 1/2 | 2 7/8" | 7 1/2" | 1/16" | 8 | 800 | -450° to 500° | Blue | 00000000 | 00000 |
| 3 | 3 1/2" | 8 1/4" | 1/16" | 8 | 800 | -450° to 500° | Blue | 00000000 | 00000 |
| 4 | 4 1/2" | 10" | 1/16" | 8 | 800 | -450° to 500° | Blue | 00000000 | 00000 |
| 6 | 6 5/8" | 12 1/2" | 1/16" | 12 | 800 | -450° to 500° | Blue | 00000000 | 00000 |