Pneumatic Sanitary Butterfly Valve Hygienic Butterfly Valves
- Model:
- Place of Origin:
- Wenzhou China
- Packing:
- Suitable Packing For Sea/Air Transport
- Quantity:
- 1000000 PCS Per Year
- Payment:
- T/T, L/C, Paypal, Alipay
- Medium:
- Water, Oil
- Material:
- SS304/SS316L
- Connection:
- Welding
- Specification:
- 1"-4"
- Pressure:
- 0-10Bar
- Temperature:
- -20°~120°
- Gasket:
- EPDM/SILICON/NBR
- Type:
- Three Pieces
A sanitary butterfly valve is a quarter-turn flow-control device that uses a rotating disc and elastomer seat to isolate or regulate liquid flow in hygienic piping. A three-piece welded stainless-steel construction combines a fixed pipe connection with a serviceable valve body, while the 12-position handle provides repeatable manual disc positioning. This configuration is suited to process lines where cleanability, sealing consistency, and controlled flow adjustment are important.
Three-Piece Welding for Permanent Process Sections
Hygienic butterfly valves must maintain a clean wetted surface while preserving reliable sealing at the pipe interface. A welded connection creates a permanent joint and removes the mechanical clamp assembly at the pipe ends, which can suit fixed processing sections. The three-piece body also establishes a practical structure for valve servicing, while CNC-machined components and polished contact surfaces support a consistent internal flow path.
How the 12-Position Handle Affects Control
Sanitary butterfly valves with multi-position handles allow the disc to stop at repeatable intermediate angles instead of relying only on fully open and closed positions. This arrangement can provide more consistent manual flow adjustment where simple isolation is insufficient. The elastomer seat should also be matched to the process medium and cleaning chemistry, since material compatibility influences sealing stability and service performance.
| Selection consideration | Performance implication | What should be reviewed |
|---|---|---|
| Disc positioning | Changes available manual flow adjustment | Required degree of throttling |
| Wetted geometry | Influences cleanability and product hold-up | Internal surface condition and dead-leg risk |
| Seat compatibility | Affects sealing stability during operation and cleaning | Fluid chemistry and cleaning cycle |
| Connection arrangement | Influences installation permanence and maintenance access | Piping layout and service method |
| Operating frequency | Affects actuator and seat loading | Manual cycles or automated repetition |
When Pneumatic Actuation Makes More Sense
A pneumatic sanitary butterfly valve is suited to lines requiring remote operation, repeated cycling, or automated process sequencing. An actuator can provide consistent opening and closing while integrating with control systems and sanitary process equipment. Proper actuator selection depends on valve torque, pressure differential, seat condition, and the required fail-open or fail-closed position rather than pipe diameter alone.
The final sanitary butterfly valve selection should therefore consider the actual process medium, cleaning method, connection design, seat compatibility, operating frequency, and required control precision. Matching these factors to the valve construction reduces specification errors and supports dependable hygienic flow control.
Product Description
| Product Name: | Sanitary Stainless Steel 3-Piece Butterfly Valve |
| Valve Body Material: | 1.4404/1.4301, SS304/SS316L |
| Seal Material: | EPDM (standard) FPM/SILICON/NBR, FDA177.2600 |
| Mex working pressure: | 10Bar |
| Max. Working Temperature: | 120 degree C |
| Availably size: | DN10-DN150,3/4"-4" |
| Availably connection: | weld |
| Availably standard: | 3A/DIN/SMS/RJT/ISO/IDF |
| Operated: | Manual |
| Control: | Sensor, C-TOP, C-top controller(AS-I) |
| Certificate: | ISO, PED/97/23/EC, FDA.177.2600 |
| Handle application: | stainless steel handle |
| Application scope: | Dairy,food, beverage, pharmacy, cosmetic, Chemical, etc |
