8
Rubber
Perbunan® (NBR)
black
vulcanized onto the cover sheets
temperature 80 ° C
cover plates, threaded bushings
stainless steel
1.4301
Silicone rubber
Elastosil® (MVQ)
FDA compliant
gray
vulcanized onto the cover sheets
temperature resistant up to 200 ° C
cover plates, threaded inserts
stainless steel
1.4301
Steel
hardened HRC 56 ± 1
class 8.8
zinc plated, blue passivated