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Marine Cast Iron Angle Safety Valve CB304-92

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China Marine Cast Iron 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 degree centigrade.

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

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