公称通径mm | 20 | 25 | 40 | 50 | 65 | 80 | 100 | 150 | 200 | |||
阀座直径mm | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | |
软密封泄漏量 | 水试△P=△Pmaxml/min | 0 | ||||||||||
气试△P=0.35MPa气泡数/min | 1 | 1 | 2 | 3 | 4 | 6 | 11 | 18 | 27 | 45 | ||
硬密封泄漏量 | 水试MPa | 4.0 | 3.0 | |||||||||
ml/min | 0.24 | 0.30 | 0.38 | 0.48 | 0.60 | 0.78 | 096 | 1.2 | 1.125 | 1.35 | 1.8 | |
气试△P=0.35MPaml/min | 23.3 | 29.2 | 37.3 | 46.7 | 58 | 75.8 | 93.3 | 116.7 | 145.8 | 175 | 233.3 | |
切断时间S | 0.5 | 1 | 1.5 | 2 | 3 | 4 | ||||||
额定行程偏差& | +6 |