A 1" Black 90° Street Elbow is a threaded black iron pipe fitting used to change direction 90 degrees in a piping system, where one end is male and the other is female.
🔧 What it is
- Size: 1 inch nominal pipe size (NPT)
- Type: Street elbow (one male end, one female end)
- Angle: 90 degrees
- Material: black malleable iron (black steel pipe fitting)
⚙️ What it does
- Changes direction of piping by 90°
- Allows one pipe to thread directly into another fitting without a short nipple (because of the male “street” end)
- Used for tight-space installations
🧱 Why it’s called “street elbow”
- One end is male (external threads)
- One end is female (internal threads)
- This lets it thread directly into another fitting or valve
🏗️ Common uses
- Gas piping systems (natural gas / propane)
- Black iron plumbing lines
- Air compressor piping
- Industrial and mechanical piping
- HVAC support piping
⚙️ Typical specs
- Material: ASTM A197 malleable iron
- Finish: Black (non-galvanized, oily coating for corrosion protection)
- Pressure rating: commonly 150–300 PSI depending on size/class
- Thread standard: NPT (National Pipe Thread)
