All SS Pressure Gauge - With Threaded Diaphragm Seals Manufacturers, Gujarat, India | +91 9426395647

With Threaded Diaphragm Seals

With Threaded Diaphragm Seals

All SS Pressure Gauge

With Threaded Diaphragm Seals Send Enquiry

Special Features

  • External zero adjustment (optional)
  • Stainless steel case & measuring system
  • Socket directly welded to case
  • Dry and liquid filled version
  • Standard followed EN 837-1 (for NS 100, 150)
  • CE marking (as per PED 97/23/EC) (for NS 100 mm & 150 mm)
  • The diaphragm is welded to the body to ensure separation of the filling fluid from the process medium


  • Diaphragm seals are designed to isolate the sensing element of pressure gauges and pressure switches from process fluids that they may be corrosive, viscous, sedimentous and / or with a high temperature.
  • Chemical & Petrochemical industries
  • For aggressive, hot, corrosive, environmentally hazardous or toxic media
  • Food & beverage
  • Pharmaceutical
  • Process industry


Standard Version : 100 mm, 125 mm & 150 mm

Accuracy±1.0% of F. S.
Ambient temperature-25°C to +65°C
Process temperature-40°C to 200°C or as per fill fluid
Operating pressure range75% of Scale Value
Over pressure limit< 100 bar : 125% of Max. Scale Value

> 100 to < 250 bar : 115% of Max. Scale Value

Case & BezelAISI 316 SS (Bayonet Type)
BourdonSS 316 Ti
SocketSS 316 Ti
MovementAISI 316
JointsTig Argon Arc Welding
ProtectionIP 68
DialAluminium, black graduation on white background
PointerAluminium, black coloured Micrometer zero adjustable
WindowShatter Proof Glass (Safety Glass)
Blow off DiscNeoprene on Top & Back
Gasket & Filling PlugNeoprene

Sealed Unit Specifications

Seal type & RangeD85 = -1 to 0 kg/cm2 & 0 to 70 kg/cm2 (Standard)

D65 = 100 kg/cm2 to 250 kg/cm2
Instrument connection3/8” BSP (F)
Process connection1/2” BSP (M)
Fill fluidSilicon Oil - DC 200
MountingDirect (without capillary) or Remote Mounting With Capillary Optioanl

Top chamberTitanium
Bottom chamberTitanium
Nuts / boltsSS 316
Sealing gasketPTFE

Dry But Fillable Version (Option DFG)

Fillable Dampening LiquidGlycerine 99.7% (Option - DFG)
Ambient TemperatureMaximum 65°C
Process TemperatureMaximum 65°C
WindowPlexi Glass
Other FeaturesRefer Specification of

Standard Version

Glycerine Filled Version (Option LFG)

Accuracy±1.0% of F.S.
Ambient TemperatureMaximum 65°C
Process TemperatureMaximum 65°C
WindowPlexi Glass
Dampening LiquidsGlycerine 99.7% (others available as option)
Other FeaturesRefer Specification of Standard Version

Temperature effect:

The variation of indication caused by effects of temperature is to be calculated by below formula; which is to be added in the specified accuracy while measurementFormula : ±0.04 x (t2 -11) % of F. S. where t1 = reference temperature (+20°C) and t2 = ambient temperature in °C.

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Bourdon Type

Diaphragm Sealed & Gauge

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Digital Pressure and Temperature

Electrical Contact

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Special Gauges

Temperature Gauges