P271 Safety Pattern (Solid Front) Pressure Gauges

CASE DIAMETER

4”(100) and 6”(150 mm)

ACCURACY CLASS

1.0

SCALE RANGE

0…0.6 to 0…1600 bar

or equivalent other units of pressure or vacuum ranges

PRESSURE LIMITATION

Continuous service:

Steady pressure up to F.S. value

Fluctuating pressure up to 90 % F.S. value

Short time 1.3 per F.S. value for range up to 100 bar

and 1.15 per F.S. value for range over 100 bar

OPERATING TEMPERATURE

Ambient :

-40 / +60 °C without liquid filling

-20 / + 60 °C with liquid filling

Medium :

+200 °C max. without liquid filling

+100 °C max. with liquid filling

TEMPERATURE EFFECT

When temperature of the measuring system deviates from reference

temperature (+ 20 °C) max. error ± 0.4 % / 10K of true scale value

STANDARD FEATURES

PROCESS CONNECTION

AISI 316 L stainless steel

Thread size 1/2 ” BSP or NPT Lower

 PRESSURE ELEMENT

AISI 316 L stainless steel

< 100 bar : C - type

> 100 bar : Helical type

MOVEMENT

Stainless steel, with over and under load stop

Free zero

MEASURING SYSTEM

Bourdon tube and socket are TIG-welded :one integral unit

DIAL

Aluminum with black markings on white background

Dial arc 270°C

POINTER

Adjustable ,black aluminum

CASE AND RING

AISI 304 stainless steel Bayonet ring style

With solid baffle wall and blowout back

Filling plug on top(to be used also to vent case before use for range < 16bar)

INGRESS  PROTECTION

IP 65EN 60529 / IEC 529

GASKET

Neoprene rubber

WINDOW

Safety glass 0.16"(4mm) thickness for case 4"(100)

Safety glass 0.16"(4mm) thickness for case 6"(150)

LIQUIDFILLING

(model P600.5SF)

Glycerin 99.7%

OPTIONAL EXTRAS

Other process connection

Case and ring AISI316 stainless steel

Monel measuring system

Surface mounting with back flange

Silicon oil case filling (ambient temperature – 40 / + 60)

Other liquids are available up on request (such as compatible with food processes or for oxygen service)

Plastic window (not for ATEX)

Diaphragm seals (see DS data sheet)

Oxygen service   

Customer designed dials

Dial tag marking

Maximum reading pointer

Movement with dampening jelly

Screw restrictor

Accuracy class 0.5

Version per ATEX Ex II 2G D c


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