Seald Diaphragm Pressure Gauge

Mahalaxmi Instruments offer "MASTER" make Sealed diaphragm Pressure Gauge that is most popular for its quality standards. A highly efficient gauge, it is specially designed to withstand the hazardous effects of aggressive, abrasive, heterogeneous, corrosive, highly viscous and crystallizing media (gaseous & liquid). Available in 63 (compact sealed), 100mm, 150mm sizes these gauges can be easily mounted on stem, panel and surface.


Dial Sizes 100mm, 150mm
Accuracy +1.6% F.S.D
Ranges Std. Ranges from 0-1 upto 700 bar or kg/cm2 (10000 psi)
Vacuum & Compound from -1 upto 25 bar
Case & Ring SS 304, SS 316,(Pressed Type/Byonet type)
Socket SS 304, SS 316, SS 316L, Monal, SS 316TI
Sensing Element Diaphragm ( SS 316 Teflon Coated / Tantalum / Hastealloy C / Titanium )
Bourdon Tube SS 304, SS 316, SS 316L, Monal, SS 316TI
Movement SS 304
Top Chamber SS 316
Bottom Chamber SS 304
Internal Fill Fluid Silicon Oil Upto 170 deg C
Wetted Parts Glass
Joints Arc Argon welded
Window Flexiglass
Pointer Micro zero adjustable
Connections 3/8" or 1" BSP/NPT
Mounting Direct Bottom Entry, Back ENtry
Options Available Glycerin Filling
Taflon Coated Diaphragm
Taflon Lining for Bottom Flange
Customized Dials - scales, ranges, OEM logos


  • Petrochemical
  • Food Processing
  • Chemical
  • Electric power plants
  • Refinery
  • Cement Industries