Shubh Instruments
Marine Lines, Mumbai, Maharashtra
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Diaphragm Pressure Gauges

Our product range includes a wide range of diaphragm differential pressure gauges, diaphragm sealed pressure gauge, low pressure diaphragm pressure gauges, diaphram seal gauges with i section flange type and chemical sealed pressure gauge.

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Approx. 10,000 / Piece Get Latest Price

Product Brochure
Product Details:
Dial Size4 inch / 100 mm
Pressure Range250 rnm Wc to 6000 rnm Wc
UseHVAC Systems
Display TypeAnalog
Pressure TypeDifferential Pressure
Connection TypeNPT
Connection Size1/4 inch
Accuracy+- 1.6%of full seals
Case & BezelSS 304 Snap Action Bayonet type
Movement MaterialSS304
Pressure ElementSS 316L Single diaphragm
Window SealingToughened / Safety glass

Our range of Diaphragm Differential Pressure Gauges has gained wide appreciation in the international market. Fabricated using quality raw material these durable gauges are ideal for gaseous media and corrosive environment. Consistent in performance and accurate it is extensively used in applications of air, gas, and filter.

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Approx. 2,500 / Piece Get Latest Price

Product Brochure
Product Details:
Minimum Order Quantity1 Piece
Wetted PartsStainless steel
Case & BazelS.S 304 Crimp type,Snap Action Bayonet Type
Size63 mm,100 mm,150 mm
Ranges0.6 to 250 Kg/Cm2
PointerAluminium,Brass,Zero adjustment/ Micro Zero Adjustment pointer
WindowAcrylic,Toughened,Safely glass
Scale RangeVacuum,Compound & Pressure up to 420 kg/cm2
JointsArgon arc welded
Accuracy+- 1% of full scale
MountingStem,panel & surface
DialAluminum white painted with 270 degree black scale marking
Blow Out ProtectionOn Top,On back side at 0.6 Kg/cm'

We are engaged in offering Diaphragm Sealed Pressure Gauge that is widely appreciated 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 the stem, panel, and surface.


  • Petrochemical
  • Pulp & Paper
  • Food Processing
  • Chemical
  • Electric power plants
  • Water & sewage treatment plants

Sealed Unit Features:

  • Diaphragm Material: SS 316L/ MOME /HASTALLOY - C /TANTALUM or any other material. Teflon Coating can be provided if required
  • Upper Chamber Material: SS 304
  • Lower Chamber: SS 304 / SS 316 / MONEL or any Other material
  • Filling Fluid: Silicon Oil or suitable liquid as desired by the user

Additional Information:
  • Item Code: DPG
  • Port of Dispatch: Mumbai
  • Production Capacity: 10000 P Month
  • Delivery Time: 15days

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Approx. 2,000 / Piece Get Latest Price

Product Brochure
Product Details:
Scale rangeFor Schaffer Diaphragm: 760mmHg Vacuum, Compound, 0.6 to 21 Kg/cm'
DialAluminum white painted with 270 degree black scale marking
Movement MaterialBrass, SS 304
PointerAluminium, Brass, Zero adjustment/ Micro Zero Adjustment pointer
WindowToughened / Safety glass
Accuracy+- 1% of full scale
Pressure ElementSS 316 Diaphragm, Compact capsule
For Low Pressure Diaphragm250 mm WC to 6000 mm WC.
Dial Size100 mm & 150 mm
For Compact Capsule250 mm Wc to 6000 mrn Wc.
Over Load Protection125% of f.s.d. for less than 150 Kg/cm and 1T5% of f.s.d for greater than 150 Kg/cm2

With the assistance of our advanced technology, we manufacture Low Pressure Diaphragm Pressure Gauges. Widely acknowledged for durability, efficiency and accuracy these are suitable for low-pressure measurement of commercial heating, level measurement, gases distribution, dry and gaseous media, and filtration system. 

Our range finds wide application in:

  • Level indication
  • Filter monitoring
  • Medical & vacuum technology
  • Environment & heating engineering


Upper Chamber

  • Material, Diaphragm Material, Lower Chamber: SS 304, Carbon Steel Powder Coated. Brass / SS 316
  • Teflon Coating can provide if required. SS 304 / SS 316, PTFE Lining provide if required (Threaded/Flange type)

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Approx. 7,500 / No Get Latest Price

Product Brochure
Product Details:
Minimum Order Quantity5 No
BrandMicro make
Measuring Range1kg to 400kg

Diapham seal gauges with I SECTION flange type

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Approx. 3,000 / Piece Get Latest Price

Product Brochure
Product Details:
Dial Size2.5 inch / 63 mm
Display TypeAnalog
Window MaterialToughened Glass / Shatterproof Glass / Acrylic Glass
Accuracy+- 1 % of FSD
SocketSS 316 / SS 304 / Brass
DialAluminium white painted with 270 degree black scale marking

Chemical Sealed Pressure Gauge commonly known as "chemical seal" gauge are designed and recommended to isolate the measuring system of a pressure gauge from corrosive, pasty or dangerous fluid depending on the viscosity, pressure, temperature, solidification of a particular process medium. The diaphragm is argon arc welded to the top chamber to ensure a perfect selling "No LEAK". The welded construction facilitates removal of the gauge for repair/service without process shut down.

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Corporate Brochure



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Vikas S. Shah  (CEO)
Shubh Instruments
No. 4, Shahviri Building, 1st Floor, 37/41, Picket Road
Marine Lines, Mumbai - 400002 , Maharashtra , India
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