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第99页 Page 99 |
蝶式止回阀(2) BUTTERFLY CHECK VALVES (2) |
美国斯毕尔公司 |
蝶式止回阀快速选型表
|
流量系数值
|
温度压力等级 Temperature Pressure Rating |
系统工作温度oF
(oC) System Operating TemperatureoF (oC) |
100 (38) |
110 (43) |
120 (49) |
130 (54) |
140 (60) |
150 (66) |
160 (71) |
170 (77) |
180 (82) |
190 (88) |
200 (93) |
210 (99) |
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阀门压力 等级 Valve Pressure Rating psi (MPa) |
ND50~DN200 2" - 8" |
PVC | 150 (1.03) |
135 (0.93) |
110 (0.76) |
75 (0.52) |
50 (0.34) |
-0- (-0-) |
-0- (-0-) |
-0- (-0-) |
-0- (-0-) |
-0- (-0-) |
-0- (-0-) |
-0- (-0-) |
CPVC | 150 (1.03) |
140 (0.97) |
130 (0.90) |
120 (0.83) |
110 (0.76) |
100 (0.70) |
90 (0.62) |
80 (0.55) |
70 (0.48) |
60 (0.41) |
50 (0.34) |
-0- (-0-) |
||
DN250~DN400 10" - 16" |
PVC | 100 (0.70) |
90 (0.62) |
80 (0.55) |
65 (0.38) |
50 (0.34) |
-0- (-0-) |
-0- (-0-) |
-0- (-0-) |
-0- (-0-) |
-0- (-0-) |
-0- (-0-) |
-0- (-0-) |
|
CPVC | 100 (0.70) |
95 (0.66) |
90 (0.62) |
85 (0.59) |
80 (0.55) |
75 (0.52) |
70 (0.48) |
65 (0.45) |
60 (0.41) |
55 (0.38) |
50 (0.34) |
-0- (-0-) |
||
DN450~DN600 18" - 24" |
PVC | 50 (0.34) |
45 (0.31) |
40 (0.30) |
35 (0.24) |
30 (0.21) |
-0- (-0-) |
-0- (-0-) |
-0- (-0-) |
-0- (-0-) |
-0- (-0-) |
-0- (-0-) |
-0- (-0-) |
|
CPVC | 50 (0.34) |
47 (0.32) |
45 (0.31) |
42 (0.33) |
40 (0.30) |
37 (0.26) |
35 (0.24) |
30 (0.21) |
25 (0.17) |
20 (0.14) |
15 (0.10) |
-0- (-0-) |
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