Diaphragm Pressure Gauges
Our product range includes a wide range of 2.5inch/63mm chemical welded diaphragm gauges, 6'' dial0-400 mbar /4000mmwc 1/2 bsp bottom complete ss diaphragm and 4''dial0-1600 mmwc 1/2 bsp bottom ss casing int brass inbuilt capsule diaphragm.
2.5inch/63mm Chemical Welded Diaphragm Gauges
₹ 1500 / Piece Get Latest Price
| Dial Size | 2.5 inch / 63 mm |
| Brand | FGB |
| Use | Liquid |
| Display Type | Analog |
| Pressure Type | Absolute Pressure |
| Dial Type | Liquid Filled |
| Liquid Filling | Glycerine |
| Pressure Range (Upto) | 25 Bar |
Minimum order quantity: 10 Piece
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Compact 2.5-inch (63mm) Dial: Space-saving design with clear scale markings for accurate pressure readings in tight installation areas.
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Welded Diaphragm Seal Construction: Chemically welded diaphragm ensures leak-proof performance and complete isolation from corrosive or viscous media.
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Ideal for Aggressive Media: Suitable for measuring pressure in highly corrosive, slurry, or crystallizing fluids typically found in chemical and process industries.
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Full Stainless Steel Build: SS304/316 case, socket, and diaphragm offer superior corrosion resistance and durability in harsh environments.
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Flush Diaphragm Design: Prevents clogging and buildup, making it ideal for applications involving thick or contaminated fluids.
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Wide Range Availability: Offered in various pressure ranges and connections (e.g., BSP/NPT), with optional filling (glycerin) for vibration resistance.
6'' DIAL0-400 MBAR /4000MMWC 1/2 BSP BOTTOM COMPLETE SS Diaphragm
₹ 5200 / Piece Get Latest Price
| Diaphragm Material | SS316L |
| Pressure Range | 400MBAR |
| Process Connection | Flange |
| Dial Size | 150 mm |
| Wetted Material | SS316 |
| Filling Fluid | Glycerin |
| Accuracy Class | 1.6% |
- Dial Sizes: Commonly 63 mm, 100 mm, 125 mm, or 150 mm.
- Case Material: Stainless Steel (304 or 316) or die-cast aluminum.
- Diaphragm Materials: Stainless Steel 316L, Hastelloy C-276, or PTFE protected for corrosive, viscous, or contaminated media.
- Process Connections: 1/4" or 1/2" NPT/BSP(M), or flanged connections.
- Temperature Range: Typically -40∘C−40∘C to +60∘C+60∘C (standard) or up to 120∘C120∘C (process temp)
4''DIAL0-1600 MMWC 1/2 BSP BOTTOM SS CASING INT BRASS Inbuilt Capsule Diaphragm
₹ 1250 / Piece Get Latest Price
| Diaphragm Material | SS316L |
| Pressure Range | 0-1600MMWC |
| Process Connection | Threaded |
| Dial Size | 100 mm |
| Wetted Material | SS316 |
| Filling Fluid | DRY |
| Accuracy Class | 1.6% |
- Dial Size: 4 inches (100 mm)
- Pressure Range: 0−1600MMWC (Millimeters of Water Column)
- Process Connection: 1/2" BSP (British Standard Pipe), male or female depending on the specific model
- Connection Location: Bottom mounted
- Casing Material: Stainless Steel (SS)
- Measuring Element: Brass
- Sensing Diaphragm: Inbuilt Capsule Diaphragm (typically Phosphor Bronze or Beryllium Copper in standard brass internal models)
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Measuring Principle Capsule Element: Consists of two corrugated metallic diaphragms welded together. Used exclusively for low-pressure/vacuum measurement.
Accuracy Class Typically ±1.6% to ±2.0% of Full Scale Deflection (FSD).
Over-Pressure Limit Standard versions generally withstand 120%−125% of the maximum scale value without damage.
Contact Us
Vinesh Doshi (CEO)
FGB Manufacturing Company
2 Floor, C209-B, Ghatkopar Industrial Estate, Lbs Marg, Ghatkopar West , Mumbai - 400077, Maharashtra, India