Pressure Gauges

Liquid Filled

MICRO glycerin filled pressure gauges are suitable for the measurements where vibration and pulsation exist. The filled glycerine in the case offers steady pointer reading under vibrating conditions, lowers friction between moving parts i.e. low wear, even when submitted to high dynamic loads, no steaming up on the windows as there is no possibility of condensation inside the gauge and all such features offer operational ease and long life.

(Confirming to EN-837-1 & IS-3624)

Nominal size

 Ø 40, 50, 63, 100, 115, 150, 200, 250 & 300 mm

Accuracy

 ≤ 63 mm - ±1.6% of FS (±1% of FS Optional)
≥ Ø 100 mm - ±1% of FS (±0.5% of FS Optional)
Case & Bezel SS 304 Case with Crimped Bezel
(Hermetically Sealed) (For Ø 50, 63 & 100 mm)
SS 304 Case with Snap Action bayonet lock type
bezel (SS 316 Optional)
Ingress Protection IP 65 as per EN 60 529
or IS/IEC 60 529IP 68 as per IS/IEC 60 529 for Ø 100
& 150 mm – Optional
Pressure element — Bourdon Tube SS 316 / SS 316L / SS 316Ti
(Monel 400 Optional)
(< 100 bar ’C’ shape / ≥ 100 bar helical shape)
Over pressure limit 100 bar - 125% of FS
> 100 bar < 600 bar - 115% of FS
> 600 bar < 1600 bar - 110% of FS
Movement Plated Brass / SS 304 (SS 316 optional)
Socket Brass / SS 304 / SS 316 / SS 316L
(Monel 400 Optional)
Dial Aluminium : Pre-coated White with black marking
Pointer Aluminium —Black finish fix type (Center / Micro Zero Adjustment Optional)
Window 3 mm thick transparent Acrylic
/Toughened for ≤ Ø 63 mm
4 mm thick Acrylic / Toughened /
Shatter Proof Glass for ≥ Ø 100 mm
Joints Argon welded
Sealing gasket Neoprene Rubber (EPDM Optional)
Blow out protection Neoprene Rubber (EPDM Optional)
For Ø 50 & 63 mm : On Top of Case
For ≥ Ø 100 mm : On Back of Case
Pressure relief Top of Case with Vent Valve (On Request)
Process Connection For Ø 40 mm - 1/8” BSP / NPT / BSPT (Male)
For 50 & 63 mm - 1/8” / 1/4” BSP / NPT / BSPT
(Male), M12 X 1 (Male)
For ≥ Ø100 mm - 1/4” / 3/8” / 1/2” BSP / NPT /
BSPT (Male) M20 X 1.5 (Male)
Other Male or Female on Request
Permissible temperature Ambient : -25'C to 65'C
Process : Maximum 65'C
Type of mounting Bottom Connection Direct Mounting
Back Connection Direct Mounting
Bottom Connection Surface Mounting
Back Connection Panel Mounting
Back Connection Bracket Mounting
Back Connection Panel + Bracket Mounting
Pressure range 40 mm : -30” Hg … 0 … 40 bar
50 mm : -30” Hg … 0 … 400 bar
63 mm : -30” Hg … 0 … 1000 bar
≥ Ø 100 mm : -30” Hg … 0 … 3500 bar
Case Filling Fluid Glycerin (Purity 99.7%)
(Silicon Oil for Higher Temperature Optional)
Optional Available features • Ammonia (NH3), Freon Scale, customized scale with different unit of measurement or logo
• For Oxygen (O2) Application degreased wetted parts
• Eco model for 50, 63, 100 & 150 mm
• Solid front case (Safety Pattern) for 100 & 150 mm
• Phenolic Solid Front safety design Case for 115mm
• External Zero Adj. for ≥ Ø 100 mm
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