251S Sanitary Pressure Gauge
Product Details
- Nominal dial size: 2.5" (63mm), 4" (100mm)
- Case material: matted or polished stainless steel
- Bezel: bayonet type
- Mounting: lower mount / back mount
- Process connection: stainless steel
- Pressure element: stainless steel
- Movement: stainless steel
- Dial material: aluminum with custom scale and logo
- Pointer: aluminum, black or white (customized)
- Window material: tempered glass or safety glass
- Accuracy class: ±1%, ±1.6%
- Pressure range: vacuum to 40 bar, customizable within this range
- IP protection rating: IP65
- Filling liquid: Glycerine, silicone, or no oil
- Sanitary diaphragm seals: tri-clamp, DIN, IDF, SMS, PJT
Applications
Sanitary stainless steel diaphragm pressure gauge is designed with a quick-install clamp connection and full stainless steel construction, meeting hygienic requirements for food, pharmaceutical, and related industries.
- Food and beverage industry: used in dairy, juice, beer, sauce, and other production processes for pressure measurement in fermentation tanks, storage tanks, and pipelines, ensuring hygienic operation and corrosion resistance.
- Pharmaceutical and bioengineering industry: used for pressure monitoring in bioreactors, formulation tanks, and sterile transfer pipelines, meeting GMP requirements and supporting CIP/SIP cleaning and sterilization processes.
- Cosmetics and personal care industry: used in production equipment for creams, shampoos, and other viscous products to monitor pressure of high-viscosity media and prevent contamination or blockage.
- Fine chemical industry: used for pressure measurement of mildly corrosive but hygiene-sensitive media such as fermentation liquids and pharmaceutical intermediates.
Customization
- Logo: custom dial branding & OEM
- Scale: bar / psi, MPa / kg/cm² or kPa / psi
- Pressure range: standard ranges (e.g., 0-1.6 bar) or customized non-standard ranges
- Thread size: 1/8", 1/4", 3/8", 1/2", etc.
- Mounting: bottom mount (radial connection), back mount (axial connection), panel mount (front flange or rear flange)
- Window material: Polycarbonate (PC), tempered glass, acrylic
- Accuracy class: 1.5/1.6/2.5
Installation Dimensions



