ĐỒNG HỒ ĐO ÁP SUẤT DẠNG MÀNG HÃNG WIKA 433.30

Applications

* With liquid filled case for applications with high dynamic pressure pulsations or vibration.

* Suitable in corrosive environments for gaseous, liquid or highly viscous media.

* Process industry: chemical/petrochemical, power station, mining, on and offshore, environmental technology, mechanical engineering and plant construction

Product features

* Threaded or open flange process connections

* Solid front safety case

* All stainless steel construction

* High overpressure safety

* Ranges from 6" H20 (16 mbar)

Specifications

Design EN 837-3

Sizes: 4” & 6” (100 & 160 mm)

Accuracy class: ± 1.5% of span

Ranges:

Vacuum / Compound to 300 psi (20 bar)

Pressure from 6” H2O (16 mbar) to 100" H2O (250 mbar), 6" (160 mm) flange diameter

Pressure from 6 psi (400 mbar) to 360 psi (25 bar),

4” (100 mm) flange diameter

or other equivalent units of pressure or vacuum

Working pressure

Steady: full scale value

Fluctuating: 0.9 x full scale value

Overpressure safety: 5 x full scale value, max. 600 psi (400 bar)

Operating temperature:

Ambient: -4°F to +140°F(-20°C to +60°C)

Medium: +212°F(+100°C) maximum

Temperature error:cAdditional error when temperature changes from reference temperature of 68°F (20°C) ±0.8% of span for every 18°F (10°K) rising or falling.

Weather protection:

Weather resistant (NEMA 3 / IP54)-dry case

Weather tight (NEMA 4X / IP66) -liquid-filled case

Pressure connection and lower diaphragm housing

Material: 316L stainless steel

Lower mount (LM)

1/2” NPT female

Case and upper diaphragm housing

Material: stainless steel

Case with solid-baffle wall and blowout back and stainless steel bayonet ring

Diaphragm element:

≤100” H2O (250 mbar): 316 stainless steel

>100” H2O (250 mbar): Inconel® (NiCr-alloy)

All ranges with FPM (Viton) sealing gasket

Movement: Stainless steel

Dial: White aluminum with black lettering

Pointer:

Black aluminum, adjustable -Type 432.30

Black aluminum, non-adjustable-Type 433.3z0

Window: Laminated safety glass with Buna-N gasket

Case fill: Glycerine 86.5%