single seat control valve (electric)
technical parameter
product model: zsap
nominal size：dn15 ~ dn300
pressure rating：pn16/25/40/63/100;cl150(pn20)/300(pn50)/600(pn110)
operateing temperature：-196℃~ 593℃
characteristics：equal percentage, linear, quickly open
rangeability：30:1、50:1、 100:1
seat leakage class：ansi b16.104: iv、v、vi
body material：wcb/wcc/lcb/lcc;wc6/wc9;cf8/cf8m;4a/5a etc.
trim material：630/316/316 st/316nitriding/316 ni60/316 wc etc.
seal material：ptfe graphite v-shaped packing, flexible graphite ring packing, graphite ptfe braided packing etc.
product overview
one of two basic guide plunger valve core, the floating sleeve compression type, from the seat structure, modular design, the flow capacity is big, high controlling precision, adjustable range, can achieve minimal flow control, structure is simple, reliable, good seal performance, the scene is easy to maintain. is suitable for the pressure difference is not big, the seat leakage and high control precision.
main connection dimensions
| dn | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | |
| l | pn16/25 | 181 | 184 | 200 | 222 | 254 | 276 | 298 | 352 | 410 | 451 | 600 | 640 | 880 |
| pn40 | 194 | 197 | 200 | 235 | 267 | 292 | 317 | 368 | 425 | 473 | 610 | 760 | 910 | |
| pn64 | 206 | 200 | 210 | 251 | 286 | 311 | 337 | 394 | 440 | 508 | 650 | 810 | 950 | |
| h | pn16/25 | 52.5 | 57.5 | 75 | 75 | 85.5 | 92.5 | 100 | 110 | 142.5 | 158 | 170 | 195 | 230 |
| pn40 | 52.5 | 57.5 | 75 | 75 | 82.5 | 92.5 | 100 | 117.5 | 150 | 167.5 | 187.5 | 205 | 245 | |
| pn64 | 65 | 40 | 85 | 85 | 90 | 102.5 | 107.5 | 125 | 172.5 | 195 | 207.5 | 230 | 260 | |
| h1 | 132 | 132 | 158 | 170 | 179 | 214 | 221 | 234 | 270 | 294 | 331 | 390 | 450 | |
| h2 | 503 | 533 | 512 | 512 | 620 | 575 | 570 | 570 | 555 | 555 | 570 | 756 | 756 | |
| d | 460 | 530 | 630 | |||||||||||