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 | Red |
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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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Flame-Retardant PVDF Pipe Flanges for Chemicals
- For Use With: Chlorine, Salt Water, Solvents
- Temperature Range: 40° to 280° F
- Specifications Met: ASTM D3222, UL 94V0
- Pipe Nipples and Pipe: Use Schedule 80 PVDF Plastic
- Fittings: Use Schedule 80 PVDF Plastic
Flanges meet UL 94V0 for flame retardance to delay the spread of flames to valuable equipment. They are made of PVDF (polyvinylidene fluoride), which is comparable to Kynar, and has the chemical resistance to stand up to solvents and other harsh substances. Also known as Class 150 flanges, they have thick, strong walls for heavy duty chemical processing applications. Bolt two same-size flanges together with a gasket (sold separately) to create an access point within a line. When connecting to pipe, apply a non-hardening, plastic-compatible sealant to the male threads to prevent leaks. Tape or sealants with PTFE are not recommended for plastic-to-plastic threaded connections. When making a threaded connection be careful not to overtighten the threads. To prevent cracks and leaks, finger tighten the flange, then wrench-tighten one to two turns. Flanges meet ASTM D3222 specifications and testing requirements for material quality.
Warning: Never use plastic pipe flanges and pipe with compressed air or gas.
For technical drawings and 3-D models, click on a part number.
| Pipe Size | Flanged Connection Surface | Flange OD | For Bolt Dia. | Bolt Hole Dia. | Number of Bolt Holes | Bolt Circle Dia. | Material | Color | Max. Pressure | Each | |
Fixed Flange, Female Threaded × Flanged | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
NPT Threads | |||||||||||
| 1/2 | Flat | 3 1/2" | 1/2" | 5/8" | 4 | 2 5/16" | PVDF Plastic | Red | 150 psi @ 72° F | 00000000 | 000000 |
| 3/4 | Flat | 3 7/8" | 1/2" | 5/8" | 4 | 2 11/16" | PVDF Plastic | Red | 150 psi @ 72° F | 00000000 | 00000 |
| 1 | Flat | 4 1/4" | 1/2" | 9/16" | 4 | 4" | PVDF Plastic | Red | 150 psi @ 72° F | 00000000 | 000000 |
| 1 1/2 | Flat | 5" | 1/2" | 5/8" | 4 | 3 3/4" | PVDF Plastic | Red | 150 psi @ 72° F | 00000000 | 000000 |
| 2 | Raised | 6" | 5/8" | 3/4" | 4 | 4 3/4" | PVDF Plastic | Red | 150 psi @ 72° F | 00000000 | 000000 |
| Non-Hardening Thread Sealant (8-oz. Brush-Top Can) | 000000 | Each | 000000 |