Norgren pneufit d d00gl series check valves norgren d00gl1000 this push in check valve is a simple to use device that features releasable stainless steel grab rings that offer fast secure assembly and disassembly of nylon pe and pu hoses the connector 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 equipment norgren pneufit d d00gl1000 10mm check valve