Cast Iron Flanged Angle Safety Valve CB304-92:
China Cast Iron Flanged Angle Safety Valve CB304-92:
Marine cast iron angle safety valve is used on the pipe system with the medium sea water, fresh water and steam not over 220℃
Technical Specification:
Design Standard: CB304-92
Test Standard: GB600, CB3021
Flange size as per GB569 or GB2501
Type | Nominal Pressure(Mpa) | Nominal Diameter(mm) |
B,BS | 0.1-0.3 | 25-80 |
>0.3-0.6 | 25-80 | |
>0.6-0.9 | 25-80 | |
>0.9-1.6 | 50 |
Main Parts & Material:
Body-Cast Iron (HT200)
Bonnet-Cast Iron (HT200)
Disc-Bronze
Stem-Bronze
Spring-Spring steel wire
Main Size List(mm):
For Type B:
nominal diameter |
nominal pressure |
Structure Dimension | Thickness δ | connection dimension of flange |
Weight (kg) |
|||||||
L | H | D | D1 | D2 | d | b | n | Th. | ||||
25 | 0.1~0.3 | 174 | 80 | 7 | 105 | 73 | 56 | 13 | 14 | 4 | M12 | 5.5 |
25 | >0.3~0.6 | 174 | 80 | 7 | 105 | 73 | 56 | 13 | 14 | 4 | M12 | 5.53 |
25 | >0.6~0.9 | 174 | 80 | 7 | 105 | 73 | 56 | 13 | 14 | 4 | M12 | 5.58 |
32 | 0.1~0.3 | 200 | 85 | 7 | 115 | 83 | 64 | 15 | 15 | 6 | M14 | 6.27 |
32 | >0.3~0.6 | 200 | 85 | 7 | 115 | 83 | 64 | 15 | 15 | 6 | M14 | 6.33 |
32 | >0.6~0.9 | 200 | 85 | 7 | 115 | 83 | 64 | 15 | 15 | 6 | M14 | 6.39 |
40 | 0.1~0.3 | 210 | 90 | 8 | 125 | 93 | 74 | 15 | 16 | 6 | M14 | 8.06 |
40 | >0.3~0.6 | 210 | 90 | 8 | 125 | 93 | 74 | 15 | 16 | 6 | M14 | 8.18 |
40 | >0.6~0.9 | 210 | 90 | 8 | 125 | 93 | 74 | 15 | 16 | 6 | M14 | 8.22 |
50 | 0.1~0.3 | 252 | 95 | 8 | 135 | 103 | 84 | 15 | 16 | 8 | M14 | 11.5 |
50 | >0.3~0.6 | 252 | 95 | 8 | 135 | 103 | 84 | 15 | 16 | 8 | M14 | 11.63 |
50 | >0.6~0.9 | 252 | 95 | 8 | 135 | 103 | 84 | 15 | 16 | 8 | M14 | 11.73 |
50 | >0.9~1.6 | 252 | 95 | 8 | 135 | 103 | 84 | 15 | 16 | 8 | M14 | 12.13 |
65 | 0.1~0.3 | 316 | 115 | 9 | 155 | 123 | 104 | 15 | 15 | 8 | M14 | 17.47 |
65 | >0.3~0.6 | 316 | 115 | 9 | 155 | 123 | 104 | 15 | 15 | 8 | M14 | 17.87 |
65 | >0.6~0.9 | 316 | 115 | 9 | 155 | 123 | 104 | 15 | 15 | 8 | M14 | 19.33 |
80 | 0.1~0.3 | 348 | 125 | 9 | 170 | 138 | 118 | 15 | 15 | 8 | M14 | 22.3 |
80 | >0.3~0.6 | 348 | 125 | 9 | 170 | 138 | 118 | 15 | 15 | 8 | M14 | 23.6 |
80 | >0.6~0.9 | 348 | 125 | 9 | 170 | 138 | 118 | 15 | 15 | 8 | M14 | 24.4 |
For Type BS:
nominal diameter |
nominal pressure |
Structure Dimension | Thickness δ | connection dimension of flange |
Weight (kg) |
|||||||
L | H | D | D1 | D2 | d0 | b | n | Th. | ||||
25 | 0.1~0.3 | 174 | 100 | 7 | 115 | 85 | 68 | 14 | 14 | 4 | M12 | 7.2 |
25 | >0.3~0.6 | 174 | 100 | 7 | 115 | 85 | 68 | 14 | 14 | 4 | M12 | 7.23 |
25 | >0.6~0.9 | 174 | 100 | 7 | 115 | 85 | 68 | 14 | 14 | 4 | M12 | 7.3 |
32 | 0.1~0.3 | 200 | 105 | 7 | 140 | 100 | 78 | 18 | 15 | 4 | M16 | 10 |
32 | >0.3~0.6 | 200 | 105 | 7 | 140 | 100 | 78 | 18 | 15 | 4 | M16 | 10.12 |
32 | >0.6~0.9 | 200 | 105 | 7 | 140 | 100 | 78 | 18 | 15 | 4 | M16 | 10.19 |
40 | 0.1~0.3 | 210 | 115 | 8 | 150 | 110 | 88 | 18 | 16 | 4 | M16 | 11.58 |
40 | >0.3~0.6 | 210 | 115 | 8 | 150 | 110 | 88 | 18 | 16 | 4 | M16 | 11.68 |
40 | >0.6~0.9 | 210 | 115 | 8 | 150 | 110 | 88 | 18 | 16 | 4 | M16 | 11.78 |
50 | 0.1~0.3 | 252 | 125 | 8 | 165 | 125 | 102 | 18 | 16 | 4 | M16 | 17.1 |
50 | >0.3~0.6 | 252 | 125 | 8 | 165 | 125 | 102 | 18 | 16 | 4 | M16 | 18.2 |
50 | >0.6~0.9 | 252 | 125 | 8 | 165 | 125 | 102 | 18 | 16 | 4 | M16 | 18.4 |
50 | >0.9~1.6 | 252 | 125 | 8 | 165 | 125 | 102 | 18 | 16 | 4 | M16 | 18.8 |
65 | 0.1~0.3 | 316 | 145 | 9 | 185 | 145 | 122 | 18 | 16 | 4 | M16 | 28.7 |
65 | >0.3~0.6 | 316 | 145 | 9 | 185 | 145 | 122 | 18 | 16 | 4 | M16 | 29.1 |
65 | >0.6~0.9 | 316 | 145 | 9 | 185 | 145 | 122 | 18 | 16 | 4 | M16 | 30.56 |
80 | 0.1~0.3 | 348 | 155 | 9 | 200 | 160 | 133 | 18 | 16 | 8 | M16 | 37.7 |
80 | >0.3~0.6 | 348 | 155 | 9 | 200 | 160 | 133 | 18 | 16 | 8 | M16 | 38.5 |
80 | >0.6~0.9 | 348 | 155 | 9 | 200 | 160 | 133 | 18 | 16 | 8 | M16 | 39.3 |