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Comprehensive Guide to Electric Butterfly Valves: Principles, Applications, and Advantages
Electric butterfly valves play a crucial role in industrial automation, off...
Hearken Die Casting Aluminum pneumatic actuator is a 90° Double acting or Spring return rack and pinion system, which has been designed for the actuation of all type of 1/4 turn valves or 1/4 turn applications. Drive conforming to ISO5211 square and star dimensions. The actuator is suitable for mounting a full range of accessories, such as limit switches, solenoid valves, positioners and manual override gearbox. Hearken pneumatic actuators can be found in a range of applications such as petrochemical industry, food and beverage, steel production, pharmaceuticals and plastics manufacturing.
| NO. | Part Name | Quantity | Material | NO. | Part Name | Quantity | Material | |
| 1 | Indicator Nut | 1 | ABS | 15 | Spring Set | 2 | NBR | |
| 2 | Indicator | 1 | ABS | 16 | End Cover Type O Ring | 12 | 55Crsi | |
| 3 | Indicator | 1 | ABS | 17 | Wear Resistant Ring | 2 | POM | |
| 4 | Elastic Ring | 1 | SS301 | 18 | Piston Seal Ring | 2 | NBR | |
| 5 | Shim | 1 | POM | 19 | Piston | 2 | Die Casting Alummiun | |
| 6 | Wear Pad | 2 | POM | 20 | Piston Guide Shoe | 2 | POM | |
| 7 | Shaft Type O Ring | 1 | NBR | 21 | Guide Block | 2 | PA66 | |
| 8 | Wear Resistant Ring | 1 | POM | 22 | Bolt with O Ring | 2 | NBR | |
| 9 | Adjusting Cam | 1 | WCB | 23 | Shim | 2 | SS301 | |
| 10 | Output Shaft | 1 | C45 | 24 | Nut | 2 | SS301 | |
| 11 | Wear Resistant Ring | 1 | POM | 25 | Adjusting Bolt | 2 | SS301 | |
| 12 | Shaft Under the O Ring | 1 | NBR | 26 | Right End Cover | 1 | Die Casting Alummiun | |
| 13 | End Cap Bolt | 8 | SS301 | 27 | Cylinder Body | 1 | Die Casting Alummiun | |
| 14 | Left End Cover | 1 | Die Casting Alummiun |
| Φ [MM] | A | ΦB | ΦC | D | E | F | G | H | I | J | K | L | M | N |
| 52 | 145.5 | 50 | 36 | M6 | 11 | M5 | 58 | 94 | 72 | 29.5 | 43 | 13 | 80 | 30 |
| 63 | 153.5 | 70 | 50 | M8 | 14 | M6 | 66.5 | 110 | 88 | 35 | 48.5 | 16 | 80 | 30 |
| NO. | Part Name | Material | |
| 1 | Body | CF8M | WCB |
| 2 | Stem | SS316 | SS304 |
| 3 | Cap | CF8M | WCB |
| 4 | Ball | SS316 | SS304 |
| 5 | O Ring | VITON | VITON |
| 6 | Bolt | SS304 | B8 |
| 7 | Nut | SS304 | FCD45 |
| 8 | Ball Seat | R-PTFE（15%） | R-PTFE（15%） |
| 9 | Washer | SS304 | FCD45 |
| 10 | Stem packing | PTFE | PTFE |
| 11 | Thrust washer | PTFE | PTFE |
| 12 | Stem packing | PTFE | PTFE |
| SIZE | 1/4" | 3/8" | 1/2" | 3/4" | 1" | 1 1/4" | 1 1/2" | 2" | 2 1/2" | 3" | 4" |
| MODEL | 52 | 52 | 52 | 52 | 52 | 63 | 63 | 75 | 83 | 105 | 125 |
| D | 11.6 | 12.7 | 15 | 20 | 25 | 32 | 40 | ||||
| L | 68 | 68 | 75 | 80 | 90 | 108 | 120 | ||||
| A | 145.5 | 145.5 | 145.5 | 145.5 | 145.5 | 153.5 | 153.5 | ||||
| H | 139 | 139 | 139 | 140 | 151 | 157 | 165 |
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