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Marine Shipboard Boiler Drain Valve CB/T3841-1999
Marine Shipboard Boiler Drain Valve CB/T3841-1999:
1.Design standard:CB/T3841-1999.
2.End standard:GB/T2501&GB/T569.
3.End type:Flange.
4.PN:2.5Mpa.
5.DN:25mm-40mm.
6.Main material:
- Body/Bonnet:ZG230-450;
- Seat:SS410/BC6;
- Stem:SS410/BRASS;
- Disc:SS410/BC6.
7.Application:Water piping and steam piping.
8.Function:Such valves are used for on-off duty.
9.Fundamental dimensions of Marine Shipboard Boiler Drain Valve CB/T3841-1999
Chart 1 Fundamental dimensions of type A:
DN mm | Structure dimension | Flange dimension | Bolt | Hand wheel | Lift range | Weight | |||||||||
L/mm | H/mm | H1/mm | t/mm | D/mm | D1/mm | D2/mm | b/mm | d0/mm | n | Th. | D0 | S | m | kg | |
25 | 218 | 178 | 60 | 7.0 | 105 | 73 | 56 | 12 | 13 | 4 | M12 | 80 | 8 | 12 | 6.7 |
32 | 260 | 200 | 60 | 7.5 | 115 | 83 | 64 | 13 | 15 | 6 | M14 | 100 | 9 | 16 | 8.9 |
40 | 302 | 220 | 60 | 8.0 | 125 | 93 | 74 | 13 | 15 | 6 | M14 | 120 | 10 | 20 | 10.9 |
Chart 2 Fundamental dimensions of type AS:
DN mm | Structure dimension | Flange dimension | Bolt | Hand wheel | Lift range | Weight | |||||||||
L/mm | H/mm | H1/mm | t/mm | D/mm | D1/mm | D2/mm | b/mm | d0/mm | n | Th. | D0 | S | m | kg | |
25 | 218 | 184 | 60 | 7.0 | 115 | 85 | 68 | 16 | 14 | 4 | M12 | 80 | 8 | 12 | 8.0 |
32 | 260 | 208 | 60 | 7.5 | 140 | 100 | 78 | 18 | 18 | 4 | M16 | 100 | 9 | 16 | 10.4 |
40 | 302 | 230 | 60 | 8.0 | 150 | 110 | 88 | 18 | 18 | 4 | M16 | 120 | 11 | 20 | 12.5 |
