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FANTINELLI Srl

Bellows differential pressure gauges

Pressure gauge for back panel flush mounting with 3 fixing holes  
DP 361-C

• Nominal sizes

- 100 and 150.


• Execution

- A... direct mounting;

- B... surface mounting with clamp;

- C... back panel flush mounting;

- D... 2” pipe mounting;

- ...D dry;

- ...F liquid filled;

- ...P fillable.


• Casing

- case and ring in AISI 304 stainless steel (AISI 316 on

request - option V61) with bayonet bezel.


• Protection degree (according to EN 60529)

- IP 55 for execution D;

- IP 67 for execution F and P.


• Window

- glass for execution D;

- methacrylate for execution F and P;

- laminated safety glass (on request – option V17).


• Casing filling liquid

- silicone fluid.


• Pressure connections (according to EN 837) AISI 316L stainless steel:

- 1/4-18 NPT (1/4 NPT female) - standard;

- G 1/2 B (1/2 Gas or BSP male) or 1/2-14 NPT EXT (1/2 NPT male) (on request - option V43).


• Pressure element

- AISI 316L st. st. bellows.


• Static pressure

o range 0 ÷ 10 mbar:

- 100 mbar one side;

- 10 bar both side.

o range 0 ÷ 16 mbar:

- 160 mbar one side;

- 10 bar both side.

o range 0 ÷ 25 mbar:

- 250 mbar one side;

- 10 bar both side.

o range 0 ÷ 40 mbar:

- 400 mbar one side;

- 10 bar both side.


• Differential cell

o material:

- AISI 316L stainless steel.

o size:

- mm 100 x 110.


• Differential cell gaskets

- P.T.F.E..


• Differential cell bolts and nuts

- AISI 304 stainless steel.


• Movement

- stainless steel.


• Ranges (according to EN 837)

o Graduation:

- 0 ÷ 10; 0 ÷ 16; 0 ÷ 25; 0 ÷ 40; (divisions as per table C1 at page P08)

- other graduations not normalized.

o Unit of pressure:

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

o Scale angle:

- 180 °.


• Pointer

- aluminium with micrometer adjustment.


• Dial

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


• Accuracy (according to EN 837)

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

note1: accuracy indicated on the pressure gauge does not consider the interference of an eventually applied electric contact.


• Ambient temperature

- - 20 ÷ + 60 °C.


• Operating temperature

- - 25 ÷ + 65 °C.

Bellows differential pressure gauges

  • ranges included between 10 and 40 mbar;
  • scale angle 180°;
  • accuracy class 1,6.