... airtight sliding doors,automatic hermetic door,automatic hospital door, automatic X-ray shielding sliding door,On Wall Hermetic Sliding Door ... Sliding Hermetic Door,Bi-parting Sliding Hermetic Doors The head rail of single or double sliding door is made of aluminum ... products, please click X-Ray protective doors,X-Ray shielding doors,X Ray Doors.Specifications . Sliding method: single door leaf / ...