| Nominal diameter mm | 20 | 25 | 40 | 50 | 65 | 80 | 100 | 150 | 200 | 250 | 300 | 350 | 400 | |||||||
| Diameter of valve seat mm | 10 | 12 | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | Contact us | |||
| Rated flow coefficient Kv | Straight line | 1.8 | 2.8 | 4.4 | 6.9 | 11 | 17.6 | 27.5 | 44 | 69 | 110 | 176 | 275 | 440 | 690 | 1000 | 1600 | |||
| Equal percentage | 1.6 | 2.5 | 4 | 6.3 | 10 | 16 | 25 | 40 | 63 | 100 | 160 | 250 | 400 | 630 | 900 | 1440 | ||||
| Nominal pressure MPa | 0.61.64.06.4 | |||||||||||||||||||
| Travel mm | 10 | 16 | 25 | 40 | 60 | 100 | ||||||||||||||
| Flow characteristics | Straight line,equal percentage ,quick open | |||||||||||||||||||
| Media temperature ℃ | -15～200(normal temperature ),-40～+250,-40～+450(medium temperature ),-100～+200(low temperature ) | |||||||||||||||||||
| Flange size | Cast iron flange size according to JB78,cast steel flange size according to JB79 | |||||||||||||||||||
| Flange type | Sealing surface of flange JB77,cast iron flange is smooth, cast steel flange is concave | |||||||||||||||||||
| Material of valve body | PN (MPa) | 0.6,1.6 | HT200,WCB(ZG230-450) | |||||||||||||||||
| 4.0,6.4 | WCB(ZG230-450),ZG1Cr18Ni9Ti,ZG0Cr18Ni12Mo2Ti | |||||||||||||||||||
| Material of valve spool | 1Cr18Ni9,0Cr18Ni12Mo2Ti | |||||||||||||||||||
| Upper cover | General (normal temperature ),heat sink(medium temperature ),low temperature | |||||||||||||||||||
| Adjustable ratio R | 50:1 | |||||||||||||||||||
| Connector of air supply | M16×1.5 | |||||||||||||||||||
