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BP Series

HOME   |   PRODUCTS   | CAPSULE PRESSURE GAUGES | BP SERIES | BP 322-A2/A3

Capsule pressure gauge with bottom connection for direct mounting  
BP 322-A2/A3

• Nominal sizes

- 63 (minimum range 60 mbar);

- 100 (minimum range 6 mbar);

- 150 (minimum range 6 mbar).


• Execution

- A... direct vertical mounting;

- B... surface mounting;

- C... flush mounting;

- D... direct horizontal mounting;

- ...2 stainless steel capsule, brass movement, AISI 316L stainless steel pressure connection (NS 100 and 150);

- ...3 copper-berillium capsule, brass movement, brass pressure connection (NS 63 and 100).


• Casing

- case and ring in AISI 304 stainless steel with bayonet bezel for execution 2 as an alternative for execution 3 NS 100;

- black painted steel case for execution 3.


• Protection degree (according to EN 60529)

- IP 55 for dry execution 2;

- IP 43 for execution 3.

- IP 67 (option V66 and V72) for execution 2;


• Window

- glass for NS 100 and 150;

- plastic snap-fit for NS 63.


• Blow-out device

- blow out plug for NS 100 and 150.


• Pressure connection (according EN 837-3)

Gas (BSP) or NPT thread as F dimension shown in BP tables:

- brass (execution 3);

- AISI 316L (execution 2).


• Pressure element

- copper-berillium capsule (execution 3);

- stainless steel capsule AISI 316Ti (execution 2).


• Movement

- stainless steel.


• Zero adjustment

- on the dial.


• Ranges (according to EN 837-3)

o Graduation:

- pressure gauges: 0 ÷ 6; 0 ÷ 10; 0 ÷ 16; 0 ÷ 25; 0 ÷ 40; 0 ÷ 60; 0 ÷ 100; 0 ÷ 160; 0 ÷ 250; 0 ÷ 400;

- vacuum gauges: -6 ÷ 0; -10 ÷ 0; -16 ÷ 0; -25 ÷ 0; -40 ÷ 0; -60 ÷ 0; -100 ÷ 0; -160 ÷ 0; -250 ÷ 0; -400 ÷ 0;

- compound gauges: on request. (divisions as per table C1 at page P04)

- other graduations not normalized.

o Unit of pressure:

- mbar, kPa, and psi for single or double range.

o Scale angle:

- 270 °.


• Working pressure (referred to full scale deflection)

- from 1/10 to 2/3.


• Over-pressure (referred to full scale deflection)

- not allowed.


• Pointer

- aluminium not adjustable.


• Dial

- white aluminium with black figures (for dial modifications see available options).


• Accuracy (according to EN 837-3)

- class 1,6 (± 1,6% of full scale deflection).


• Ambient temperature

- -10 ÷+50 °C.


• Thermal drift

- out of optimum ambient temperature values included within +15 ÷ +25 °C, the thermal drift affects the instruments accuracy of 0,5% every 10 °C.


• Operating temperature

- -10 ÷ +60 °C for execution 3;

- -10 ÷ +120 °C for execution 2.

Pressure gauges for low pressures generally used for gas

  • capsule pressure element;
  • copper-berillium or stainless steel capsule;
  • NS 63 - 100 - 150;
  • ranges included between -6 and 400 mbar.