Sanitary Hygienic Tank Bottom 3 Way Diaphragm Valve
- Model:
- Brand:
- J&O
- Material:
- SS316L
- Connection:
- Clamp
- Gasket:
- EPDM+PTFE/EPDM
- Working Temperature:
- -20°~+120°
- Working Pressure:
- 0-10Bar
- Operation:
- Pneumatic
- Payment:
- T/T, L/C, Western Union
Pneumatically actuated sanitary diaphragm valves with position control suit hygienic process lines that require clean shutoff, remote operation, and repeatable valve positioning. A clamped design uses an SS316L body with EPDM and PTFE sealing, while the positioner supports controlled actuator movement for automated processes.
Diaphragm Separation Within the Process Chamber
The diaphragm separates the process medium from the actuator section, keeping mechanical components outside the wetted path. This design limits direct contact between the fluid and the valve stem or drive mechanism while supporting a clean flow chamber. The internal weir area also supports drainage and reduces retained fluid, which suits processes using CIP or similar cleaning cycles.
Positioner Control for Pneumatic Movement
A pneumatic actuator provides remote valve movement, while a positioner adds feedback for controlled positioning. This allows the valve to operate as part of an automated process rather than relying only on manual opening and closing. Pneumatic sanitary valves can use normally closed, normally open, or double-acting configurations, depending on the required control sequence and response to air-supply loss.
- Remote pneumatic valve actuation
- Controlled position feedback
- Repeatable movement during process cycles
- Compatibility with automated control systems
Clamp Connection and Configuration Differences
The clamp connection allows the valve to be removed from the pipeline without cutting a permanent welded joint. This suits installations where inspection, diaphragm replacement, or cleaning access is required. A tank bottom diaphragm valve uses a different body configuration for vessel outlet service, while a 3 way diaphragm valve routes flow between multiple process paths, so these designs serve different installation requirements.
Design Factors and Process Effects
| Design factor | Process consideration | Practical effect |
|---|---|---|
| Diaphragm barrier | Separation of fluid and actuator | Limits wetted mechanical components |
| Positioner | Valve position feedback | Supports controlled pneumatic movement |
| Weir geometry | Drainage and residual fluid | Supports cleaner flow paths |
| Clamp connection | Valve removal and inspection | Simplifies service access |
| EPDM and PTFE sealing | Media and cleaning compatibility | Supports different process conditions |
Material and Operating Conditions
The listed configuration uses SS316L with EPDM and PTFE sealing. The operating range is -20°C to +120°C, with a working pressure of 0–10 bar and sizes from 1–4 in. or DN25–DN100. The selected diaphragm, seal, actuator function, and positioner should match the process medium, cleaning chemistry, pressure, temperature, cycling frequency, and control requirements.
A hygienic diaphragm valve is therefore suited to applications where sanitary flow control and pneumatic positioning need to work within the same system. Correct configuration remains dependent on the actual process conditions and piping arrangement.
Technical Data
| Valve Body Material: | SS316L |
| Seal Material: | EPDM+PTFE/ EPDM |
| Mex working pressure: | 10Bar |
| Max. Working Temperature: | 120 degree C |
| Availably size: | 1"-4", DN25-DN100 |
| Availably connection: | Clamp |
| Availably standard: | 3A/DIN/SMS/RJT/ISO/IDF |
| Operated: | Pneumatic |
Product Parameter
Product Pictures
