Norgren pneufit d d0040 series acetal 90 swivel elbow adaptors norgren d01470618 a 90 swivel elbow adaptor from the pneufit d range of push in fittings the simple to use device features releasable stainless steel grab rings that offer fast secure assembly and disassembly of nylon pe and pu hoses the adaptor is ready to use and requires no tools for assembly the fitting is manufactured from fda approved acetal material and is widely used in food potable water and beverage dispensing eq