Industrial service pressure gauge

Model : P221, P253 series

 

Service intended

 

P221 and P253 series are suitable to be used in a corrosive environment, chemical, petro-chemical, refining facilities, power generation and marine and foods industry. Its stainless steel case and cover have a good appearance and an excellent protection against corrosion and chemical attack.

 

 

Nominal diameter

 

40 and 50 mm

 

Accuracy

 

40 mm : ±3.0 % of full scale
50 mm : ±1.5 % of full scale

 

Scale range (MPa, kPa, bar)

 

0 ~ 0.2, 0.3, 0.4, 0.6, 1, 1.5, 3.5 MPa

 

Working pressure

 

Steady : 75 % of full scale
Over range protection : 130 % of full scale

 

Working temperature

 

Ambient : Model P221 : -40 ~ 65 °C
               Model P253 : -20 ~ 60 °C
Fluid : Model P221 : Max. 200 °C
          Model P253 : Max. 60 °C

 

Temperature effect

 

Accuracy at temperature above and below the reference temperature (20 ℃) will be effected by approximately
±0.4 % per 10 ℃ of full scale

 

 

Standard features

 

Pressure connection

 

Model P221 : Stainless steel (316SS)
Model P253 : Nickel plated brass

 

Element

 

C type bourdon tube
Model P221 : Stainless steel (316SS)
Model P253 : Brass

 

Case

 

Stainless steel (304SS)

 

Cover

 

40 mm : Stainless steel (304SS) and polycarbonate
50 mm : Stainless steel (304SS)

 

Window

 

Polycarbonate (40 and 50 mm)

 

Movement

 

Model P221 : Stainless steel
Model P253 : Brass

 

Dial

 

White aluminium with black graduations

 

Pointer

 

Black painted aluminium alloy

 

Process connection

 

⅛", ¼" PT, NPT and PF

 

Option

 

Window : Safety glass with 304 stainless steel cover

 

 

Download:  CATALOG 

Đồng hồ áp suất P221 253