Wolf Linde Repair kits available Teflon Seat Rings 1-1/4″ – 5″ Stem Packing 1/2″ – 6″ Flange Gaskets 1/2″ – 5″ Bonnet Gaskets 1/2″ – 5″ Service Valve Parts Back Pressure Regulator Kits Back pressure regulator repair kits 2″ – 5″ in stock and ready to ship!