Cover material
thermoplastic resin
Diaphragm material
AISI 316L, Monel (*), Hastelloy C (*)
(*) Maximum overrange pressure reduced to 1MPa (10 bar)
Gaskets material
PTFE, Viton
Surface protections
- carbon steel body and flange: zinc plating and chrome
passivation
- AISI 316L body and flange: no protection
Process connections (see figure ref. D)
- on flange: 1/2 in NPT-F
- on adapter: 1/4 in NPT-F
- center distance: 54 mm.
Pneumatic connections
- Air supply (in figure ref. A): 1/4 in NPT-F
- Output (in figure ref. B): 1/4 in NPT-F
Pressure gauge
Brass with stainless steel case (all stainless steel on request)
external diameter 51 mm; 0-200 kPa, 0-2 bar and 0-30 psi
indication on 82 mm/260° scale.
Air filter regulator
with copper or stainless steel piping, as specified.
Die cast aluminium alloy with light grey epoxy finish.
Net weight (maximum)
10 kg approx
Packing
expanded polythene box
Air supply
nom. 140 kPa (1.4 bar, 20 psi); min. 125 kPa (1.25 bar,
18 psi); max. 175 kPa (1.75 bar, 25 psi)
Output signal
20 to 100 kPa/0.2 to 1 bar, 3 to 15 psi or 0.2 to 1 kg/cm2
Static air consumption
350 Nl/h
Maximum output flow
- with rising output pressure: 30 Nl/min.
- with falling output pressure: 40 Nl/min.
Accuracy
± 0.5% F.S.D. (typical)
Thermal drift (for ambient temperature variation between
- 20° C and + 65° C)
•with 2in diaphragm
- span 30 to 80 kPa (300 to 800 mbar): 0.4%/10°C
- span 80 to 170 kPa (800 to 1700 mbar): 0.3%/10°C
•with 3in diaphragm
- span 5 to 10 kPa (50 to 100 mbar): 0.6%/10°C
- span 10 to 52 kPa (100 to 520 mbar): 0.4%/10°C
Maximum displacement
- with 2in diaphragm: 1 cm3
- with 3in diaphragm: 1.5 cm3
Degree of protection in accordance with IEC 529
IP55
Ambient temperature limits
-40 and + 120°C
Bodies material
Carbon steel, Monel (*), AISI 316L (*), Hastelloy C (*),
(*) Only the positive halfbody
Body bolts and nuts material
High tensile carbon steel;
AISI 316 Class A4-50 per ISO3506, in compliance with
NACE MR0175
OVERRANGE
LIMIT
2.5 MPa
25 bar
MEASURING
CAPSULE
(DIAPHRAGM DIA.)
3 in with special
feedback bellows
30 and 170 kPa
300 and 1700 mbar
5 and 52 kPa
50 and 520 mbar
2.5 and 7.5 kPa
25 and 75 mbar
MAXIMUM
ZERO
SUPPRESSION (S)
140 kPa
1400 mbar
47 kPa
470 mbar
49.5 kPa
495 mbar
RANGE
LIMITS
(absolute)
lower and upper (M)
0 and 170 kPa
0 and 1700 mbar
0 and 52 kPa
0 and 520 mbar
0 and 52 kPa
0 and 520 mbar
SPAN
LIMITS
(absolute)
min. and max.
2 in
3 in
SPECIFICATIONS
The data were obtained from laboratory tests on standard instruments with:
carbon steel or AISI 316L bodies; AISI 316L measuring element with silicone oil filling; gasket: PTFE;
calibration span : 18 kPa - 180 mbar (for 3in diaphragm), 70 kPa - 700 mbar (for 2in diaphragm)