Resilient seated with a smooth passage according to DIN EN 13774. Housing and head piece in GJS-400-18 with shoed ends from St. 35.8 edge form 22. Wedge with new guidance, vulcanized plastic sliding shoes. Stainless austenitic Cr steel 1,4021 spindle and wound up thread. Media-free spindle bearing. Spindle sealing with two O-rings and back seal.
Enamel on the inside pursuant to the DEV guideline (except for the welding area). Outside coating "PUR" ployurethane. The inspection is carried out in line with DIN 30677, part 2 and according to 15 kV.
The gate valve type 3004 ist also available as "blow-out unit" in two versions, either steel ends or PE ends.


