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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High-Pressure Steel Threaded SAE Two-Piece Pipe Flanges
Combine an adapter with a two-piece pipe flange (sold separately) to build a customized flange connection. Also known as Code 61 or Code 62 split flanges, the two halves of the flange clamp around the adapter and bolt to another Code 61 or Code 62 flange. The adapters have NPTF (Dryseal) threads, so they’re compatible with NPT threads. Flanges and adapters should be used in noncorrosive environments.
- For Use With: Hydraulic Fluid
- Specifications Met: SAE J518, ISO 6162
Pipe Size | Dash Size | For SAE Flange Size | Lg. | Max. Pressure | Each | |
NPTF | ||||||
|---|---|---|---|---|---|---|
| 3/4 | 12 | 3/4 | 3 1/8" | 6,000 psi @ 72° F | 0000000 | 000000 |
| 1 | 16 | 1 | 3" | 3,000 psi @ 72° F | 0000000 | 00000 |
| 1 | 16 | 1 | 3 5/8" | 6,000 psi @ 72° F | 0000000 | 00000 |
| 1 1/2 | 24 | 1 1/2 | 3 5/8" | 3,000 psi @ 72° F | 000000 | 000000 |
| 1 1/2 | 24 | 1 1/2 | 4 1/2" | 6,000 psi @ 72° F | 0000000 | 000000 |
| 2 | 32 | 2 | 3 5/8" | 3,000 psi @ 72° F | 0000000 | 000000 |
| 2 | 32 | 2 | 4 5/8" | 6,000 psi @ 72° F | 0000000 | 000000 |
- For Use With: Hydraulic Fluid
- Specifications Met: SAE J518, ISO 6162
Flange | Bolt Hole | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SAE Flange Size | Dash Size | Max. Pressure | Ht. | Wd. | Dp. | Flanged Connection Surface | Mounting Hardware Included | For Bolt Dia. | Dia. | No. of | Ctr.-to-Ctr. | Each | |
Inch | |||||||||||||
| 3/4 | 12 | 6,000 psi @ 72° F | 2 13/16" | 2 3/8" | 1 1/8" | O-Ring Groove | Yes | 3/8" | 0.41" | 4 | 15/16" , 2" | 0000000 | 000000 |
| 1 | 16 | 3,000 psi @ 72° F | 2 3/4" | 2 5/16" | 15/16" | O-Ring Groove | Yes | 3/8" | 0.41" | 4 | 1 1/32" , 2 1/16" | 0000000 | 00000 |
| 1 | 16 | 6,000 psi @ 72° F | 3 3/16" | 2 3/4" | 1 5/16" | O-Ring Groove | Yes | 0.438" | 0.47" | 4 | 1 3/32" , 2 1/4" | 0000000 | 00000 |
| 1 1/2 | 24 | 3,000 psi @ 72° F | 3 11/16" | 3 1/4" | 1" | O-Ring Groove | Yes | 1/2" | 0.53" | 4 | 1 13/32" , 2 3/4" | 000000 | 00000 |
| 1 1/2 | 24 | 6,000 psi @ 72° F | 4 7/16" | 3 3/4" | 1 11/16" | O-Ring Groove | Yes | 5/8" | 0.66" | 4 | 1 7/16" , 3 1/8" | 0000000 | 00000 |
| 2 | 32 | 3,000 psi @ 72° F | 4" | 3 13/16" | 1 1/32" | O-Ring Groove | Yes | 1/2" | 0.53" | 4 | 1 11/16" , 3 1/16" | 0000000 | 00000 |
| 2 | 32 | 6,000 psi @ 72° F | 5 1/4" | 4 1/2" | 2 1/16" | O-Ring Groove | Yes | 3/4" | 0.78" | 4 | 1 3/4" , 3 13/16" | 0000000 | 00000 |
Metric | |||||||||||||
| 3/4 | 12 | 6,000 psi @ 72° F | 71mm | 60mm | 29mm | O-Ring Groove | Yes | 10mm | 11mm | 4 | 24mm , 51mm | 0000000 | 00000 |
| 1 | 16 | 3,000 psi @ 72° F | 70mm | 59mm | 24mm | O-Ring Groove | Yes | 10mm | 11mm | 4 | 26mm , 52mm | 0000000 | 00000 |
| 1 | 16 | 6,000 psi @ 72° F | 81mm | 70mm | 33mm | O-Ring Groove | Yes | 12mm | 13mm | 4 | 28mm , 57mm | 0000000 | 00000 |
| 1 1/2 | 24 | 3,000 psi @ 72° F | 94mm | 83mm | 25mm | O-Ring Groove | Yes | 12mm | 13mm | 4 | 36mm , 70mm | 0000000 | 00000 |
| 1 1/2 | 24 | 6,000 psi @ 72° F | 113mm | 95mm | 43mm | O-Ring Groove | Yes | 16mm | 17mm | 4 | 37mm , 80mm | 000000 | 00000 |
| 2 | 32 | 3,000 psi @ 72° F | 102mm | 97mm | 26mm | O-Ring Groove | Yes | 12mm | 13mm | 4 | 43mm , 78mm | 0000000 | 00000 |
| 2 | 32 | 6,000 psi @ 72° F | 5 1/4" | 4 1/2" | 2 1/16" | O-Ring Groove | Yes | 20mm | 21mm | 4 | 1 3/4" , 3 13/16" | 0000000 | 000000 |
High-Pressure Stainless Steel Threaded SAE Two-Piece Pipe Flanges
Combine an adapter with a two-piece pipe flange (sold separately) to build a customized flange connection. Also known as Code 61 or Code 62 split flanges, the two halves of the flange clamp around the adapter and bolt to another Code 61 or Code 62 flange. Flanges and adapters are 316 stainless steel which has excellent corrosion resistance.
NPTF (Dryseal) threads are compatible with NPT threads. UN/UNF (SAE Straight) threads are also known as O-ring boss threads; they have a gasket to prevent leaks.
- For Use With: Hydraulic Fluid
- Specifications Met: SAE J518, ISO 6162
316/316L Stainless Steel | ||||||
|---|---|---|---|---|---|---|
| Pipe Size | For SAE Flange Size | Dash Size | Max. Pressure | For Flanged Connection Surface | Each | |
NPTF | ||||||
| 3/4 | 3/4 | 12 | 5,000 psi @ 72° F | O-Ring Groove | 0000000 | 0000000 |
| 1 | 1 | 16 | 4,600 psi @ 72° F | O-Ring Groove | 0000000 | 000000 |
| 1 1/2 | 1 1/2 | 24 | 3,000 psi @ 72° F | O-Ring Groove | 0000000 | 000000 |
| 2 | 2 | 32 | 3,000 psi @ 72° F | O-Ring Groove | 0000000 | 000000 |
- For Use With: Hydraulic Fluid
- Specifications Met: SAE J518, ISO 6162
- For Use With: Hydraulic Fluid
- Specifications Met: SAE J518, ISO 6162
Flange | For Bolt | 316/316L Stainless Steel | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SAE Flange Size | Dash Size | Max. Pressure | Ht. | Wd. | Dp. | Flanged Connection Surface | Mounting Hardware Included | For Bolt Dia. | Dia. | No. of | Ctr.-to-Ctr. | Each | |
Inch | |||||||||||||
| 3/4 | 12 | 5,000 psi @ 72° F | 2 9/16" | 2 1/16" | 7/8" | O-Ring Groove | Yes | 3/8" | 0.406" | 4 | 7/8", 1 7/8" | 0000000 | 0000000 |
| 1 | 16 | 4,600 psi @ 72° F | 2 3/4" | 2 5/16" | 15/16" | O-Ring Groove | Yes | 3/8" | 0.406" | 4 | 1.031", 2.062" | 0000000 | 000000 |
| 1 1/2 | 24 | 3,000 psi @ 72° F | 3 11/16" | 3 1/4" | 1" | O-Ring Groove | Yes | 1/2" | 0.531" | 4 | 1.406", 2 3/4" | 0000000 | 000000 |
| 2 | 32 | 3,000 psi @ 72° F | 4" | 3 13/16" | 1 1/32" | O-Ring Groove | Yes | 1/2" | 0.531" | 4 | 1.688", 3.062" | 0000000 | 000000 |
Metric | |||||||||||||
| 3/4 | 12 | 5,000 psi @ 72° F | 65mm | 52mm | 22mm | O-Ring Groove | Yes | 10mm | 10mm | 4 | 22mm, 48mm | 0000000 | 000000 |
| 1 | 16 | 4,600 psi @ 72° F | 70mm | 59mm | 24mm | O-Ring Groove | Yes | 10mm | 10mm | 4 | 26mm, 52mm | 0000000 | 000000 |
| 1 1/2 | 24 | 3,000 psi @ 72° F | 94mm | 83mm | 25mm | O-Ring Groove | Yes | 12mm | 13mm | 4 | 36mm, 70mm | 0000000 | 000000 |
| 2 | 32 | 3,000 psi @ 72° F | 102mm | 97mm | 26mm | O-Ring Groove | Yes | 12mm | 13mm | 4 | 43mm, 78mm | 0000000 | 000000 |