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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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High-Pressure Brass Threaded Pipe Fittings
These fittings have the strength to handle high-pressure applications. They are brass for good corrosion resistance.
Through-wall fittings are also known as bulkhead couplings and panel-mount couplings; they mount through a wall or panel to create an inlet or outlet.
Female x male 90° elbow adapters are also known as street elbows.
Inline tees are also known as branch tees. NPTF (Dryseal) threads are compatible with NPT threads.
Straight Connectors, Female
- For Use With: Air, Water, Natural Gas, Oil
- Specifications Met: See table
Pipe Size | Max. Pressure | Specifications Met | Each | |
BSPP Female | ||||
|---|---|---|---|---|
| 1/8 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 00000 |
| 1/4 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 0000 |
| 3/8 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 0000 |
| 1/2 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 00000 |
| 3/4 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 00000 |
Straight Connectors, Male
- For Use With: Air, Water, Natural Gas, Oil
- Specifications Met: See table
| Pipe Size | Max. Pressure | Specifications Met | Each | |
BSPT Male | ||||
|---|---|---|---|---|
| 1/8 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 00000 |
| 1/4 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 0000 |
| 3/8 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 0000 |
| 1/2 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 00000000 | 00000 |
| 3/4 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 00000 |
| 1 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 00000 |
Straight Adapters, Male
Straight Adapters, Female × Male
- For Use With: Air, Natural Gas, Oil, Water
- Specifications Met: See table
| Pipe Size | Max. Pressure | Specifications Met | Each | |
NPTF Female × BSPT Male | ||||
|---|---|---|---|---|
| 1/8 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 00000 |
| 1/4 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 00000 |
| 3/8 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 00000 |
| 1/2 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 00000 |
BSPP Female × NPT Male | ||||
| 1/8 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 00000000 | 0000 |
| 1/4 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 00000 |
| 3/8 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 00000 |
| 1/2 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 00000 |
| 3/4 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 00000 |
Straight Adapters with Gasket, Female × Male
Metric Male Threads with Gasket
- For Use With: Air, Water, Natural Gas, Oil
- Specifications Met: SAE J530, SAE J531
| Pipe Size | Thread Size | Max. Pressure | Male End Gasket Material | Each | |
NPTF Female × Metric Male | |||||
|---|---|---|---|---|---|
| 1/8 | M10 × 1 mm | 1,000 psi @ 72° F | Fluorocarbon Rubber | 000000000 | 000000 |
| 1/8 | M14 × 1.5 mm | 1,000 psi @ 72° F | Fluorocarbon Rubber | 000000000 | 00000 |
| 1/4 | M12 × 1.5 mm | 1,000 psi @ 72° F | Fluorocarbon Rubber | 000000000 | 00000 |
| 1/4 | M14 × 1.5 mm | 1,000 psi @ 72° F | Fluorocarbon Rubber | 00000000 | 00000 |
| 3/8 | M16 × 1.5 mm | 1,000 psi @ 72° F | Fluorocarbon Rubber | 000000000 | 00000 |
| 3/8 | M22 × 1.5 mm | 1,000 psi @ 72° F | Fluorocarbon Rubber | 000000000 | 00000 |
| 1/2 | M27 × 2 mm | 1,000 psi @ 72° F | Fluorocarbon Rubber | 000000000 | 00000 |
Through-Wall Straight Connectors
Exploded View
- For Use With:
NPT Threads: Air, Water
NPTF, BSPP and Metric Threads: Air, Natural Gas, Oil, Water - Specifications Met: See table
| Pipe Size | Thread Size | For Hole Dia. | For Max. Wall Thick. | Max. Pressure | Specifications Met | Each | |
BSPP Female | |||||||
|---|---|---|---|---|---|---|---|
| 1/8 | __ | 11/16" | 11/32" | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 000000 |
| 1/4 | __ | 13/16" | 37/64" | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 00000 |
| 3/8 | __ | 1 1/16" | 35/64" | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 00000 |
| 1/2 | __ | 1 1/8" | 25/32" | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 00000 |
| 3/4 | __ | 1 3/8" | 7/8" | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 00000 |
| 1 | __ | 1 11/16" | 61/64" | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 00000 |
Metric Female | |||||||
| __ | M5 × 0.8 mm | 7/16" | 17/64" | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 00000 |
Straight Reducing Adapters with Gasket, Female × Male
BSPP Male Threads with Gasket
- For Use With: Air, Water, Natural Gas, Oil
- Specifications Met: SAE J530, SAE J531
Bushing Straight Reducing Adapters with Hex Body, Male × Female
- For Use With: Air, Natural Gas, Oil, Water
- Specifications Met: See table
Pipe Size | |||||
|---|---|---|---|---|---|
| (A) | (B) | Max. Pressure | Specifications Met | Each | |
BSPT Male × BSPP Female | |||||
| 1/4 | 1/8 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 00000 |
| 3/8 | 1/8 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 0000 |
| 3/8 | 1/4 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 0000 |
| 1/2 | 1/8 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 0000 |
| 1/2 | 1/4 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 0000 |
| 1/2 | 3/8 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 00000000 | 0000 |
| 3/4 | 1/4 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 00000000 | 00000 |
| 3/4 | 3/8 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 00000000 | 00000 |
| 3/4 | 1/2 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 00000 |
Bushing Straight Reducing Adapters with Hex Body and Gasket, Male × Female
BSPP Male Threads with Gasket
- For Use With: Air, Water, Natural Gas, Oil
- Specifications Met: SAE J530, SAE J531
Pipe Size | ||||||
|---|---|---|---|---|---|---|
| (A) | (B) | Thread Size (B) | Max. Pressure | Male End Gasket Material | Each | |
BSPP Male × BSPP Female | ||||||
| 1/4 | 1/8 | __ | 1,000 psi @ 72° F | Polymer Plastic | 000000000 | 00000 |
| 3/8 | 1/8 | __ | 1,000 psi @ 72° F | Polymer Plastic | 000000000 | 0000 |
| 3/8 | 1/4 | __ | 1,000 psi @ 72° F | Polymer Plastic | 000000000 | 0000 |
| 1/2 | 1/8 | __ | 1,000 psi @ 72° F | Polymer Plastic | 000000000 | 00000 |
| 1/2 | 1/4 | __ | 1,000 psi @ 72° F | Polymer Plastic | 000000000 | 0000 |
| 1/2 | 3/8 | __ | 1,000 psi @ 72° F | Polymer Plastic | 000000000 | 0000 |
| 3/4 | 1/4 | __ | 1,000 psi @ 72° F | Polymer Plastic | 000000000 | 00000 |
| 3/4 | 1/2 | __ | 1,000 psi @ 72° F | Polymer Plastic | 000000000 | 00000 |
BSPP Male × Metric Female | ||||||
| 1/8 | __ | M5 × 0.8 mm | 1,000 psi @ 72° F | Polymer Plastic | 000000000 | 0000 |
| 1/4 | __ | M5 × 0.8 mm | 1,000 psi @ 72° F | Polymer Plastic | 000000000 | 0000 |
Straight Reducers, Male
- For Use With: Air, Water, Natural Gas, Oil
- Specifications Met: See table
90° Elbow Adapters, Female × Male
- For Use With: Air, Water, Natural Gas, Oil
- Specifications Met: See table
Tee Connectors
- For Use With: Air, Water, Natural Gas, Oil
- Specifications Met: See table
Inline Tee Adapters
- For Use With: Air, Natural Gas, Oil, Water
- Specifications Met: SAE J530, SAE J531
| Pipe Size | Max. Pressure | Each | |
NPT Female × NPT Male | |||
|---|---|---|---|
| 1/8 | 1,000 psi @ 72° F | 000000000 | 00000 |
| 1/4 | 1,000 psi @ 72° F | 000000000 | 00000 |
| 3/8 | 1,000 psi @ 72° F | 000000000 | 00000 |
| 1/2 | 1,000 psi @ 72° F | 000000000 | 00000 |
| 3/4 | 1,000 psi @ 72° F | 000000000 | 00000 |
BSPP Female × BSPT Male | |||
| 1/4 | 1,000 psi @ 72° F | 000000000 | 00000 |
| 3/8 | 1,000 psi @ 72° F | 000000000 | 00000 |
Plugs with External Hex Drive and Gasket
BSPP Male Threads with Gasket
- For Use With: Air, Water, Natural Gas, Oil
- Specifications Met: SAE J530, SAE J531
Plugs with External Square Drive
- For Use With: Air, Natural Gas, Oil, Water
- Specifications Met: See table
Plugs with Slotted Drive
- For Use With: Air, Natural Gas, Oil, Water
Hollow | ||
|---|---|---|
| Max. Pressure | Each | |
Metric Male | ||
| 1,000 psi @ 72° F | 000000000 | 00000 |
High-Pressure Brass Threaded Pipe Fittings with Sealant
Not only do these fittings have the strength to handle high-pressure applications, the male threads have a sealant applied for extra protection against leaks. Fittings are brass for good corrosion resistance.
Female x male 90° elbow adapters are also known as street elbows.
Inline tees are also known as branch tees.
Straight Adapters
- For Use With: Air, Natural Gas, Oil, Water
| Pipe Size | Max. Pressure | Specifications Met | Each | |
NPT Female × NPT Male | ||||
|---|---|---|---|---|
| 1/8 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 00000 |
| 1/4 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 0000 |
| 3/8 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 0000 |
| 1/2 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 00000 |
| 3/4 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 00000 |
Straight Reducing Adapters
- For Use With: See table
Pipe Size | ||||||
|---|---|---|---|---|---|---|
| (A) | (B) | Max. Pressure | For Use With | Specifications Met | Each | |
NPT Female × NPT Male | ||||||
| 1/4 | 1/8 | 1,000 psi @ 72° F | Air, Natural Gas, Oil, Water | SAE J530, SAE J531 | 000000000 | 00000 |
| 3/8 | 1/8 | 1,000 psi @ 72° F | Air, Natural Gas, Oil, Water | SAE J530, SAE J531 | 000000000 | 00000 |
| 3/8 | 1/4 | 1,000 psi @ 72° F | Air, Natural Gas, Oil, Water | SAE J530, SAE J531 | 000000000 | 0000 |
| 1/2 | 1/4 | 1,000 psi @ 72° F | Air, Natural Gas, Oil, Water | SAE J530, SAE J531 | 000000000 | 00000 |
| 1/2 | 3/8 | 1,000 psi @ 72° F | Air, Natural Gas, Oil, Water | SAE J530, SAE J531 | 000000000 | 00000 |
| 3/4 | 3/8 | 1,000 psi @ 72° F | Air, Water | SAE J530, SAE J531 | 000000000 | 00000 |
| 3/4 | 1/2 | 1,000 psi @ 72° F | Air, Natural Gas, Oil, Water | SAE J530, SAE J531 | 000000000 | 00000 |
Bushing Straight Reducing Adapters
- For Use With: See table
Pipe Size | ||||||
|---|---|---|---|---|---|---|
| (A) | (B) | Max. Pressure | For Use With | Specifications Met | Each | |
NPT Male × NPT Female | ||||||
| 1/4 | 1/8 | 1,000 psi @ 72° F | Air, Natural Gas, Oil, Water | SAE J530, SAE J531 | 000000000 | 00000 |
| 3/8 | 1/8 | 1,000 psi @ 72° F | Air, Natural Gas, Oil, Water | SAE J530, SAE J531 | 000000000 | 0000 |
| 3/8 | 1/4 | 1,000 psi @ 72° F | Air, Natural Gas, Oil, Water | SAE J530, SAE J531 | 000000000 | 0000 |
| 1/2 | 1/8 | 1,000 psi @ 72° F | Air, Natural Gas, Oil, Water | SAE J530, SAE J531 | 000000000 | 0000 |
| 1/2 | 1/4 | 1,000 psi @ 72° F | Air, Natural Gas, Oil, Water | SAE J530, SAE J531 | 000000000 | 0000 |
| 1/2 | 3/8 | 1,000 psi @ 72° F | Air, Natural Gas, Oil, Water | SAE J530, SAE J531 | 000000000 | 0000 |
| 3/4 | 1/8 | 1,000 psi @ 72° F | Air, Natural Gas, Oil, Water | SAE J530, SAE J531 | 000000000 | 00000 |
| 3/4 | 1/4 | 1,000 psi @ 72° F | Air, Natural Gas, Oil, Water | SAE J530, SAE J531 | 000000000 | 00000 |
| 3/4 | 3/8 | 1,000 psi @ 72° F | Air, Natural Gas, Oil, Water | SAE J530, SAE J531 | 000000000 | 00000 |
| 3/4 | 1/2 | 1,000 psi @ 72° F | Air, Natural Gas, Oil, Water | SAE J530, SAE J531 | 000000000 | 00000 |
| 1 | 1/2 | 1,000 psi @ 72° F | Air, Water | SAE J530, SAE J531 | 000000000 | 00000 |
| 1 | 3/4 | 1,000 psi @ 72° F | Air, Water | SAE J530, SAE J531 | 000000000 | 00000 |
Straight Reducers
- For Use With: Air, Natural Gas, Oil, Water
Pipe Size | |||||
|---|---|---|---|---|---|
| (A) | (B) | Max. Pressure | Specifications Met | Each | |
NPT Male | |||||
| 1/4 | 1/8 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 00000000 | 00000 |
| 3/8 | 1/8 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 00000000 | 00000 |
| 3/8 | 1/4 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 00000000 | 0000 |
| 1/2 | 1/4 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 00000000 | 00000 |
| 1/2 | 3/8 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 00000000 | 00000 |
| 3/4 | 1/2 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 00000000 | 00000 |
90° Elbow Connectors
90° Elbow Adapters
- For Use With: Air, Natural Gas, Oil, Water
90° Elbow Reducing Adapters
- For Use With: Air, Natural Gas, Oil, Water
Pipe Size | |||||
|---|---|---|---|---|---|
| (A) | (B) | Max. Pressure | Specifications Met | Each | |
NPT Female × NPT Male | |||||
| 1/4 | 1/8 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 000000 |
45° Elbow Adapters
- For Use With: Air, Natural Gas, Oil, Water
Inline Tee Adapters
- For Use With: Air, Natural Gas, Oil, Water
| Pipe Size | Max. Pressure | Specifications Met | Each | |
NPT Female × NPT Male | ||||
|---|---|---|---|---|
| 1/8 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 00000 |
| 1/4 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 00000 |
| 3/8 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 00000 |
| 1/2 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 00000 |
| 3/4 | 1,000 psi @ 72° F | SAE J530, SAE J531 | 000000000 | 00000 |