Design Features
- Suitable for most low flow applications. Measures
even dirty and corrosive gases or liquids.
- All stainless steel body suitable for high pressure
and corrosive applications.
- Measures ranges from 0.26 to 211 GPH water or
1.3 to 880 SCFH air.
-
Mm. and/or max. alarms
- Analog output signal 4-20 mA
- Differential pressure regulator
Engineering Specifications
Model 10A3220125
Rangeability: 10:1 (See also capacity table)
Accuracy: + 6% of full scale
Scale Length: 60 mm
Scale Graduation: Percent standard; direct reading optional
Max. allowable operating pressure
Model 1 0A3225/55CA 1450 psi (100 bar)
Model 1 0A3220/5OCA 1450 psi (100 bar)
Model 10A3220/50C, N, M 580 psi (40 bar)
With differential pressure regulator
200 psi (14 bar) standard.
Max. allowable fluid temperature
3000F (150 C) (Viton), 248 F (120 C) (Buna N)
Ambient Temperature
-13 to 176 F (-25 to +800C)
Connection
1/4", 3/8" or 1/2" NPTI depending on meter.
Weight, approx.
without delta P regulator: .91b (0.4 kg)
with delta P regulator: 2.61b (1.2 kg)
Materials of Construction
Wetted Parts
Meter Tube
Stain. Steel, Type 316Ti (UNS S31635)
Float: Stain. Steel, Type 316Ti (UNS S31635)
Needle valve: Stain. steel Type 316Ti (UNS S31635)
Packing: TEFLON™ in valve stem.
0-Rings: Viton* (standard), others upon request
Only in horizontal connections. No 0-rings in vertical connections.
Fittings: Stainless steel Type 316-Ti (UNS 531635
Other Parts
Housing: Polycarbonate (standard), stainless steel frame-glass-window optional.
Baseplate: Aluminum anodized, stainless steel
optional
Housing protection: IP 64
Purgemeter with Alarm
Alarm Type
Slot initiator SJ2 (P&F), EEx ia IIC T6, EEx ib IIC T6
(max. 1 13 F (45 C))
Certificate of conformity
PTB No. Ex 83/2022x
Factory Mutual Approved. Non incentive Class I,
Div. 2, Groups A, B, C, D, Suitable for Class II, Div.
1, Groups E, F, and G.
Switching Point
Low alarm 01060%, High alarm 40 to 100%, Double
alarm mm. to max. Ca. 5%
Power supply (separately)
Transistor Type mini-relay (P&F), type WE 77/Ex 1;
Type WE 77/Ex 2
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CAPACITY TABLE 1
Float & Metering Tube
|
Vh |
GPH |
N 1/h |
SCFH |
cps |
cps |
psi |
psia |
psia |
W.C. |
1 |
0.26 |
35 |
1.30 |
4 |
4 |
10.20 |
14.50 |
-- |
3.2 |
1.60 |
0.42 |
54 |
2.00 |
4 |
4 |
10.20 |
14.50 |
-- |
3.2 |
2.50 |
0.66 |
100 |
3.70 |
6 |
6 |
10.20 |
14.50 |
-- |
3.2 |
4 |
1.06 |
160 |
5.9 |
6 |
6 |
10.20 |
14.50 |
-- |
3.2 |
6 |
1.60 |
230 |
8.40 |
18 |
18 |
10.20 |
14.50 |
-- |
3.2 |
10 |
2.60 |
350 |
13 |
18 |
18 |
10.20 |
14.50 |
-- |
3.2 |
16 |
4.20 |
540 |
20 |
18 |
18 |
10.20 |
14.50 |
-- |
3.2 |
25 |
6.60 |
850 |
31 |
18 |
18 |
10.20 |
14.50 |
-- |
3.60 |
40 |
10.60 |
1250 |
46 |
18 |
20 |
10.20 |
14.50 |
-- |
4.20 |
60 |
16 |
1900 |
70 |
18 |
22 |
10.20 |
14.50 |
-- |
5.00 |
100 |
26 |
3100 |
114 |
12 |
24 |
-- |
14.50 |
-- |
6.80 |
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CAPACITY TABLE 2
Float & Orifice
Maximum Flow (3/8" NPT
100 to 300 I/h; 1/2" NPT 400 to 800 I/h; Vertical Connections |
100 |
26 |
3200 |
117 |
8 |
50 |
-- |
58 |
4.40 |
24 |
160 |
42 |
5000 |
183 |
8 |
50 |
-- |
58 |
4.40 |
28 |
200 |
53 |
6200 |
227 |
8 |
50 |
-- |
58 |
4.40 |
32 |
250 |
66 |
7800 |
286 |
8 |
50 |
-- |
58 |
4.40 |
36 |
300 |
79 |
9200 |
337 |
8 |
50 |
-- |
58 |
4.40 |
40 |
400 |
105 |
12500 |
458 |
4 |
50 |
-- |
58 |
4.40 |
30 |
500 |
132 |
15000 |
550 |
4 |
50 |
-- |
58 |
4.40 |
34 |
600 |
159 |
18000 |
660 |
4 |
50 |
-- |
58 |
4.40 |
38 |
700 |
185 |
21000 |
770 |
4 |
50 |
-- |
58 |
4.40 |
46 |
800 |
211 |
24000 |
880 |
4 |
50 |
-- |
58 |
4.40 |
52 |
[1] Vstd: Allowable viscosity without calibration.
[2] Vmax: Max. allowable viscosity with calibration if
other than Vstd [1].
[3] Pditf: Mm. required AP in psi it operating with
differential pressure regulator. "-" not
available.
[4] Pstat: Mm. required pressure in psia to eliminate
float bounce, without using twisted
guide rod float.
[5] Pmin: Mm. required pressure in psia with gas
damping (twisted rod). "-" not available.
[6] delta P: Total pressure loss at maximum flow.
Power Supply
Refer to Model Number Designation
Approvals
Control circuit (Ex)iG5 intrinsic safety;
Certificate of conformity: Ex PTB 79/2043X; Factory
Mutual Approved: Intrinsically Safe Class I, II, Div.
1, Groups A, B, C, D, E, F, and G. The WE77 relay
must be located in a non-hazardous area.
Contact rating
max. 250 V, max. 4A, 500 VA
Repeatability
<= 0.5% of full scale
Allowable ambient temperature
-13 to 212 F (-25 to + 100 C) for slot initiator (not Ex)
Purgemeter with Opto. Elec. Transmitter in Ex-Design
Supply voltage
max 30 V dc
Output signal
4-20 mA, 2-wire
Ex-Protection:
Ci, <1 nF, Li .360> µH per EN 50014 and
EN50020
EEx iblIC T6
Conformity Certificate
DEMCO Nr. 90 c. 98014 x
(Comparable to Intrinsic Safe Class I, Div. 2, Gps C&D)
Ambient temperature
-4 to 104 F (-20 to + 40 C)
Differential Pressure Regulator
Model 53RT2110
Differential pressure
Max. 100 psi
Connections
112M NPTI
*Viton must never be used for Ammonia service. Delta P regulator of stn. steel and meter body can be
equipped with diaphragm and 0-rings of Buna N.
Wetted parts
Body: 316 stainless steel
Diaphragm: Viton A*
Springs: 316 stainless steel
Valve seat and shaft: 316 stainless steel
Max. Pressure: 200 psig (1380K Pa) at 100 F (38 C)
Ordering information
Model number
Materials of construction
Scale graduation
Operating conditions
Fluid to be metered
Max. flowrate
Fluid density and viscosity at operating
conditions
Operating and max. temperature and pressure
Customer standard conditions
Options
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