Sanitary Pneumatic Butterfly Valves
Pneumatic sanitary butterfly valve adopts standard electro‑polishing. The smooth surface ensures cleanliness, with no medium accumulation areas and no potential contamination. Quick‑disassembly valve design makes opening and maintenance fast and easy, reducing process downtime. It is widely used in food, pharmaceutical, cosmetic, clean steam, wine, beverage and biochemical industrial process control applications. It features compact structure and easy installation & disassembly.
Main Features
1. Novel and reasonable design with unique structure, light weight and fast opening‑closing action.
2. Low operating torque, convenient, labor‑saving and flexible operation.
3. Can be installed at any position for convenient maintenance.
4. Sealing material is aging‑resistant and corrosion‑resistant with long service life.
Accessory Options
On‑off accessories: Single solenoid valve, double solenoid valve, limit switch position feedback.
Regulating accessories: Electro‑pneumatic positioner, pneumatic positioner, I/P converter.
Air treatment accessories: Air filter regulator, air filter regulator with lubricator (F.R.L. unit).
Manual override: HVSD manual operating mechanism.
Main Technical Parameters
| Nominal Diameter DN (mm) | 15～150 | ||
| Nominal Pressure PN (MPa) | 0.6 | 1.0 | 1.6 |
| Shell Test Pressure (MPa) | 0.9 | 1.5 | 2.4 |
| Seat Test Pressure (MPa) | 0.66 | 1.1 | 1.76 |
| Air‑tight Test Pressure (MPa) | 0.6 | 0.6 | 0.6 |
| Applicable Media | Air, water, steam, oil products, etc. | ||
| Actuation Mode | Manual, worm gear, pneumatic, electric | ||
| Connection Type | Tri‑clamp, clamp, external thread, welded | ||
Main Parts Material
| Part Name | Material |
| Valve Body | 304, 316, 316L |
| Disc | 304, 316, 316L |
| Seal Ring | Silicone rubber, fluororubber, PTFE |
| Valve Shaft | 304, 316, 316L |
| Packing | Silicone rubber, fluororubber, PTFE |
Seat Material Selection and Applicable Temperature
| Material | PTFE | Silicone Rubber | Fluororubber | Natural Rubber | Nylon |
| Abbreviation | PTFE | SI | VITON | NR | PA |
| Code | F or XC, JC | XD or JD | XE or JE | X1 | N |
| Max Temperature | 232℃ | 250℃ | 204℃ | 85℃ | 93℃ |
| Min Temperature | -268℃ | -70℃ | -23℃ | -20℃ | -73℃ |
| Applicable Working Temperature | -30~+150℃ | -70~+150℃ | -23~+150℃ | -20~+85℃ | -30~+93℃ |
Overall Dimensions
| Size (ISO) | A | B | D | L | H | Kg |
| 20 | 50 | 78 | 19.05 | 130 | 82 | 1.2 |
| 25 | 50 | 78 | 25.4 | 130 | 82 | 1.2 |
| 32 | 50 | 78 | 31.8 | 130 | 82 | 1.05 |
| 38 | 50 | 86 | 38.1 | 130 | 86 | 1.2 |
| 51 | 52 | 102 | 50.8 | 140 | 96 | 1.7 |
| 63 | 56 | 115 | 63.5 | 150 | 103 | 2.1 |
| 76 | 56 | 128 | 76.1 | 150 | 110 | 2.4 |
| 89 | 60 | 139 | 88.9 | 170 | 116 | 2.7 |
| 102 | 64 | 154 | 101.6 | 170 | 122 | 3.05 |
| 108 | 64 | 159 | 108 | 170 | 126 | 3.15 |
| 133 | 80 | 138 | 133 | 190 | 138 | 5.2 |
| 159 | 90 | 215 | 159 | 190 | 153 | 9.2 |
