Sounding self closing valve
SELF CLOSING SHPRT SUONDING PIPE

The standard for ship depth self closing valves is as follows:
CB/T3778-1999 Marine Sounding self closing valve / Bronze sounding self closing valve / Brass sounding self closing valve
CBM1128-82 marine self closing measuring head / Bronze self closing measuring head
Main parts, materials and grades for Marine Sounding self closing valves and marine self closing measuring tubes:
Part name | Material |
Name | Mark |
(Body,Cover) | (Bronze)/(H62) | ZcuSn10Zn2 |
(Disk,stem) | (Bronze)/(H62) | CuAl9Mn2 |
Bleeder plug | (H62) | |
Marine Sounding self closing valve CB/T3778-1999, usually marked as:
Depth self closing valve 40 CB/T3778-99, bronze sounding self closing valve DN40, CB/T3778-99
Depth self closing valve 50 CB/T3778-99, bronze sounding self closing valve DN50, CB/T3778-99
Depth self closing valve 65 CB/T3778-99, bronze sounding self closing valve DN65, CB/T3778-99
Marine self closing measuring tube head CBM1128-82 is usually marked as:
Dg 40 self closing measuring tube head CBM1128-82
Dg 50 self closing measuring tube head CBM1128-82
Dg 65 self closing measuring tube head CBM1128-82
Dg 80 self closing measuring tube head CBM1128-82