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Service & Suport
MS4 / MSP4 Series - Aseptic Single Seat Valves
The MS4 and MSP4 aseptic single seat valve series are designed for applications in the food, beverage, dairy, pharmaceutical and chemical industries. These valves are available in shut-off, change over, and tank outlet configurations.
MSP4 Diaphragm Valve
Key Advantages
- Innovative fan support mechanism improves pressure range and diaphragm life
- Flat, single-layer diaphragm design simplifies cleaning and ensures rapid leakage detection
- Supports process pressures up to 145 psi (10 bar), depending on valve size
- High temperature resilience for demanding applications
- Multiple valve body configurations enable optimal system integration
- Cost-effective maintenance compared to bellows-based designs
- Certified to 3-A sanitary standards
- MSP4 variant includes USP Class VI approved diaphragm and shaft materials
- Available in ATEX-compliant models for hazardous environments
Sizes: 1" - 4" DN25 - DN100 Housing Configurations:
- MS4: MS4: MS41 (L), MS42 (T), MSE41 (KLL), MSES45 (LLS), MST42 (T)
- MSP4: MSP4: MSP41 (L), MSP42 (T), MSPT42 (T)
Sterilization Temperature (approx. 20 min.):
- EPDM 302ºF (150ºC)
- HNBR 284ºF (140ºC)
Control Air Pressure: Min. 87 psi (6 bar), max. 116 psi (8 bar) Product Wetted Parts: AISI 316 L (1.4404), AISI 304 (1.4304) Seal Material:
- Seat seal: EPDM, HNBR, FPM
- Diaphragm and Diaphragm shaft MSP: TFM
MS4 / MSP4 Aseptic Single Seat Valve Dimensions
View MS4 / MSP4 series aseptic single seat valve dimensions in Instruction and Operation User Manual
Valve configurations: Single seat valves:
- DELTA MS4
- DELTA MSP4 (with diaphragm shaft made of PTFE)
- DELTA MSR4 (with regulating cone)
Tank outlet valves:
- DELTA MST4
- DELTA MSTP4 (with diaphragm shaft made of PTFE)
Change over valves:
- DELTA MSES4
Pressure Ratings:
Operating Pressure: Maximum line pressure: 145 psi (10 bar)
Temperature Ratings:
Operating temperature: Maximum 275ºF (135°C), Short time 284ºF (140ºC) - no steam