Material
Body : Ductile iron GGG50
Wedge : Ductile iron GGG50+NBR
Bonnet : Ductile iron GGG50
Stem : Stainless steel 2Cr13
Stem nut : Brass
Holding ring : Brass
Seating nut : Brass
Handwheel : Ductile iron GGG50
0 Ring ,Gasket,Dust Ring : Rubber NBR
Test
Executed according to DIN3352 standard
Sealing test pressure : PN1O is 1.1MPa , PN16 is 1.76MPa.
Strength test pressure : PN1O is 1.5MPa , PN16 is 2.4MPa.
Working pressure : 1.0MPa or 1.6MPa