The STRAUB - G20301-SI is a stainless steel pipe coupling designed to join two pipes or tubes in a straight line, maintaining continuous flow. Constructed from 316 stainless steel with a polished finish. Seal material: nitrile; included in assembly. Two 316 stainless steel bolts sized at 48mm Hex. Media compatibility: air, natural gas, non-potable water, and propane per manufacturer specifications. The fitting has a nominal pipe size of 1-1/2 inches and an Overall Length: 2-13/32 inches. It operates within a temperature range of -4 to 180 degrees Fahrenheit and supports a maximum operating pressure of 232 psi. Key Features: