Body | |
Form | Straight through the single seat cast ball valve |
On the bonnet | Standard type: -17 ~ 230 ℃ Cooling type: 230 ~ 450 ℃ Low temperature type: -60 ~ 196 ℃ Bellows Sealed: -40 ~ 350 ℃ |
Cover form | Bolt compression type |
Filler | V-type PTFE filler, PTFE impregnated asbestos filler, asbestos textile filler, graphite filler |
Valve assembly | |
Spool type | Single-seat spool valve |
Flow characteristics | Equal percentage characteristics and linear characteristics |
Material | Stainless steel (1Cr18Ni9Ti, 1Cr18Ni12M02Ti, 17-4PH, 9Cr18, 316L), stainless steel heap too Lai Lai alloy, titanium and corrosion-resistant Taiwan gold. |
Execution agency | |||||
Type | ZHA / B multi-spring film actuator | ||||
Model | ZHA / B-22 | ZHA / B-23 | ZHA / B-34 | ZHA / B-45 | ZHA / B-56 |
Effective area of cm2 | 350 | 350 | 560 | 900 | 1400 |
Travel mm | 10,16 | 25 | 40 | 40,60 | 100 |
Spring range KPa | 20-100 (standard), 20-60, 60-100, 40-200, 80-240 | ||||
Diaphragm material | Nitrile rubber clip Nylon cloth, EPDM clip nylon cloth | ||||
Supply pressure | 140-400KPa | ||||
Air source interface | RCl / 4 " | ||||
Ambient temperature | -30 ~ 70 ℃ |
Valve action form |
Air-off (B) - Valve open (FO) during loss of air; Valve open (K) |
annex |
Positioner, air filter pressure reducer, retention valve, travel switch, valve position transmitter, hand wheel mechanism |
performance | ||||
Project | Without locator | With locator | ||
Basic error% | ± 5.0 | ± 1.0 | ||
Backlash% | ≤3.0 | ≤1.0 | ||
dead zone% | ≤3.0 | ≤0.4 | ||
Always point deviation% | Open air | Start point | Earth 2.5 | ± 1.0 |
end | ± 5.0 | ± 1.0 | ||
Qi off | Start point | ± 5.0 | ± 1.0 | |
end | Earth 2.5 | ± 1.0 | ||
Rated travel deviation% | ≤2.5 | |||
Leakage 1 / h | 0.01% X valve rated capacity | |||
Adjustable range R | 30: 1 |
Rated flow coefficient Kv, rated stroke, equipped with actuator type | |||||||||||||||
Nominal diameter DN (mm) | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | ||||
Seat diameter DN (mm) | 10 | 12 | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | |
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 |
Equal percentage | 1.6 | 2.5 | 4.0 | 6.3 | 10 | 16 | 25 | 40 | 63 | 100 | 160 | 250 | 400 | 630 | |
Rated stroke L (mm) | 10 | 16 | 25 | 40 | 60 | ||||||||||
Equipped with actuator model | ZHA / B-22 | ZHA / B-23 | ZHA / B-34 | ZHA / B-45 |
Dimensions and weight unit: mm | ||||||||||||
Nominal diameter | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | |
L | PN16 / 40 | 181 | 184 | 220 | 222 | 254 | 276 | 298 | 352 | 410 | 451 | 600 |
PN64 | 206 | 210 | 251 | 251 | 286 | 311 | 337 | 394 | 457 | 508 | 650 | |
A | 285 | 285 | 285 | 285 | 285 | 360 | 360 | 360 | 470 | 470 | 470 | |
H1 | PN16 / 40 | 128 | 128 | 152 | 152 | 160 | 205 | 205 | 208 | 273 | 330 | 364 |
PN64 | 140 | 140 | 160 | 160 | 180 | 210 | 210 | 220 | 290 | 340 | 370 | |
H2 | 298 | 298 | 298 | 298 | 298 | 380 | 380 | 380 | 510 | 510 | 510 | |
H3 | PN16 / 40 | 208 | 208 | 224 | 228 | 228 | 334 | 334 | 342 | 408 | 453 | 482 |
PN64 | 220 | 220 | 240 | 240 | 240 | 350 | 350 | 360 | 420 | 470 | 500 | |
H4 | 238 | 238 | 402 | 402 | 405 | 627 | 628 | 635 | 698 | 702 | 728 | |
H5 | PN16 / 40 | 53 | 58 | 68 | 73 | 80 | 90 | 98 | 108 | 123 | 140 | 168 |
PN64 | 63 | 68 | 75 | 83 | 88 | 100 | 105 | 125 | 148 | 170 | 203 | |
C | 220 | 220 | 220 | 220 | 220 | 270 | 270 | 270 | 320 | 320 | 320 | |
H6 | 180 | 180 | 180 | 180 | 180 | 236 | 236 | 236 | 310 | 310 | 310 | |
Weight (kg) | PN16 / 40 | 21 | 22 | 24 | 32 | 38 | 62 | 67 | 83 | 132 | 160 | 245 |
PN64 | 24 | 25 | 30 | 42 | 52 | 78 | 82 | 102 | 170 | 190 | 285 |