You need to ensure your on-the-job tools can safely handle high pressure and high temperatures. Why take a chance when ZSi-Foster can supply high quality Hydraulic and Straight-Thru QDs built to withstand extreme pressure and high temperatures-no leaking or spilling. Looking for a valve you can trust will shut-off to avoid spillage and leaks? Our FHK series is a great solution. With its protective cover, the FHK series QD prevents chemical cleaners and caustic agents from spilling and marring surfaces.