Sanitary Tank Bottom Diaphragm Valve
- Model:
- Place of Origin:
- Wenzhou, China
- Material:
- SS304, SS316L
- Packing:
- Suitable Packing for Sea/Air Transport
- Payment:
- T/T, L/C, Western Union
A sanitary tank bottom valve controls product discharge from the lowest outlet of a process vessel. In food, beverage, pharmaceutical, cosmetic, and clean-process systems, a pneumatic diaphragm design can provide automated flow control while separating the process medium from the actuator mechanism. Reliable hygienic performance depends on valve body geometry, sealing materials, drainage characteristics, and installation conditions.
A tank bottom diaphragm valve must be designed for the intended vessel outlet rather than selected solely because it has sanitary clamp connections. A suitably shaped body can reduce retained liquid and limit dead-leg formation. Clamp fittings also allow convenient disassembly, but gasket compatibility and clean-in-place (CIP) coverage should be assessed against the actual process.
How a Sanitary Tank Bottom Valve Works
A valve installed at a vessel's lowest outlet opens or closes the discharge path. In a diaphragm design, actuator movement presses a flexible diaphragm against a sealing surface to stop flow. A pneumatic actuator allows automated operation, while accurate flow regulation depends on the valve's flow characteristics and control configuration.
| Selection consideration | Technical check | Why it matters |
|---|---|---|
| Vessel outlet geometry | Confirm the body is designed for bottom mounting | Reduces product retention |
| Sealing system | Check diaphragm composition and chemical compatibility | Supports sealing reliability |
| Control strategy | Confirm modulation capability and fail-safe position | Matches process operating requirements |
| Cleaning process | Review CIP coverage and drainage behavior | Limits residual product |
| Maintenance access | Check diaphragm replacement and clamp removal | Simplifies service procedures |
Material and Process Compatibility
The specified pneumatic clamped diaphragm control valve configuration lists SS304 or SS316L construction, sizes from 1 to 4 inches (DN25–DN100), a temperature range of -10 to 150°C, and a maximum pressure of 1.0 MPa. These limits must be checked against the operating conditions of the actual selected configuration.
A suitable sanitary tank bottom valve should also match the process medium, pressure drop, required flow rate, cleaning cycle, and connection arrangement. The diaphragm seal and pneumatic actuator must suit the required operating conditions.
Before ordering, the valve's bottom-mount geometry, diaphragm material, control mode, and applicable hygienic documentation should be verified. Matching the valve to the vessel and cleaning process supports more predictable drainage and reliable process control.
Product Description
| Product Name: | Sanitary Pneumatic Diaphragm Control Valve |
| Material: | SS304 or SS316L |
| Size: | 1"-4" or DN25-DN100 |
| Temperature: | -10~150 |
| Presure: | ≤1.0Mpa |
Product Parameter
