Product Description LDR 39 18xcl galvanized pipe nipple 1/8-Inch x close. 1/8-Inch x close-inch galvanized malleable pipe nipple. Hydrostatic tested and protected from corrosion with Varnish. 15 psi and not used for drinking water. From the Manufacturer LDR 309 18XCL Galvanized Pipe Nipple 1/8-Inch X Close. 1/8-Inch X Close-Inch Galvanized Malleable Pipe nipple. Hydrostatic tested and Protected from corrosion with varnish. 150 PSI and not used for drinking water.