ZHA/B Type Pneumatic Diaphragm Actuator
ZHA/B type multi-spring pneumatic diaphragm actuator change output pressure of pneumatic adjustment gauge into push rod displacement change. It can connect a straight trip control valve to change the control system output signal into disk corresponding position to realize to control valve open degree. It has force uniform, good stability, large output push, small size, lightweight, and other advantages.
- Durée du prix: FOB/CIF/EXW/DAP
- Paquet: Caisse en bois exportée ou selon la demande du client
- Délai de livraison7 à 10 jours ouvrables
- Transports: Par mer, par air, par grand express
- Port d'embarquement: Port de Shanghai
- Origine du lieu: Jiangsu
- Garantie: 12 mois
- Caractéristiques
- Spécifications
- Modèle
- Dimension & Weight
- Remarque
- ZHA type: direct action, pneumatic close. When air pressure increases, the stem part would move down
- ZHB type: re-action, When air pressure increases, the stem part would move up
| Type | ZHA/B-11 | ZHA/B-22 | ZHA/B-23 | ZHA/B-34 | ZHA/B-45 | ZHA/B-56 |
| Travel(mm) | 10 | 10、16 | 16、25 | 40 | 40、60 | 100 |
| Effective area(cm) | 200 | 350 | 350 | 560 | 960 | 1600 |
| Air interface size | M10×1 | M12×1.25 | M16×1.5 | |||
| Air supply pressure | 0.14, 0.25, 0.4 MPa | |||||
| Température de travail | -30~60ºC | |||||
| Spring scope | 0.02~0.10、0.04~0.20、0.08~0.24MPa | |||||
| Retour de flamme | With positioner : 1%, without positioner : 3% | |||||
| Linearity | With positioner : 1%, Without positioner : ±5% | |||||
| ZH |
Action type |
Size specification |
Spring scope ( KPa) |
Handwheel structure |
| 11 |
20-100 40-200 80-240 |
Without : Without handwheel
D:top entry handwheel C: Side entry handwheel |
||
| 22 | ||||
| ZH series | A: Direct action | 23 | ||
| actionneur | B:Re-action | 34 | ||
| 45 | ||||
| 56 |

| Modèle
Taille |
ZH-22 | ZH-23 | ZH-34 | ZH-45 | ZH-56 |
| A | 285 | 288 | 365 | 475 | 585 |
| H | 300 | 323 | 417 | 520 | 720 |
| H1 | 90 | 90 | 130 | 135 | 170 |
| h1 | 40 | 41 | 41 | 54 | 61 |
| t | 18 | 18 | 23 | 26 | 34 |
| C | 95 | 100 | 130 | 150 | 180 |
| H3(MAX) | 179 | 179 | 230 | 315 | 400 |
| F | 200 | 200 | 240 | 350 | 449 |
| H2 | 106 | 115 | 170 | 195 | 270 |
| h2 | 40 | 40 | 50 | 55 | 65 |
| N-d1 | 2-d10 | 2-d10 | 4-d12 | 4-d14 | 4-d18 |
| d2 | 60 | 60 | 80 | 95 | 100 |
| D | 80 | 80 | 105 | 118 | 130 |
| Weight (kg) | 12 | 16 | 22 | 52 | 125 |
| Control valve diameter |
Stem screw |
| 3/4” | M8 |
| 20,25,32,40,50 | M8 |
| 65,80,100 | M12×1.25 |
| 125,150,200 | M16×1.5 |
| 250,300 | M20×1.5 |
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