LSP51 Series Fused High Pressure Sight Plug - NPT Pipe Thread
Additional Product Information
The LSP51 Series fused high pressure steel sight plug has a clear glass sight and male NPT thread connection. The fused, one-piece construction allows for higher operating temperatures and pressures. The sight plug can be accessorized with reflector and float ball. Boxed quantities may apply.
Standard Features:
- Stud end sizes from 1/4 NPT to 2-11½ NPT
- Fused clear glass sight
- Body machined from cold finished steel bar stock
- Electroless Nickel finish
- Available open view, with reflector or with reflector and float ball
Standard Materials:
- Carbon steel construction
- Stainless steel reflector (when applicable)
Caution:
- Do not use an impact wrench to install a fused sight plug.
- Not recommended for steam applications.
- Scratched glass significantly reduces the pressure rating of the sight plug.
Pressure & Temperature Ratings
- Maximum operating temperature, 500°F (260°C)
- Pressure ratings vary by sight plug size, refer to specification sheet for complete details.
Product Options
Common Modifications Available
- Float ball: Cork, Aluminum or TPX
Custom Modifications Available
- Zinc plated finish
- Reflex lens
- Float ball: Nylon or Polypropylene
Minimum quantities may apply.
Related Products
LDI offers other sight plug series which install into ports with tapered pipe threads, but with different material and construction options.
If the application requires installing the sight plug into a port with SAE straight threads, select from the sight plugs designed for this style port.
When there is no room for a coupling and wall thicknesses are too thin for machining a port, LDI offers sight plug options suitable for these applications.
If the application also requires a reservoir, LDI can assist you by providing an off-the-shelf or customized reservoir to your specifications.