
Bulletin 74.1:Y693
8
Table 6. Typical Type Y693 Blanketing Regulator Capacities in SCFH / Nm
3
/h of 0.97 Specific Gravity Nitrogen
-continued-
SPRING RANGE,
PART NUMBER
AND COLOR
CONTROL PRESSURE
SETTING
INLET PRESSURE
CAPACITIES IN SCFH / Nm
3
/h OF 0.97 SPECIFIC GRAVITY NITROGEN
FOR 1-1/2 AND 2 IN. / DN 40 AND 50 BODIES WITH
A 1/2 IN. / 13 mm ORIFICE
Deviation from Setpoint
±0.5 In. w.c. /
±1 mbar
-0.5 to 1 In. w.c. /
-1 to 2 mbar
-0.5 to 2 In. w.c. /
-1 to 5 mbar
In. w.c. mbar psig bar SCFH Nm
3
/h SCFH Nm
3
/h SCFH Nm
3
/h
0.5 to 2 in. w.c. /
1 to 5 mbar
1D892527022
Brown
0.5
(1)
1
(1)
2
5
10
20
40
60
80
100
125
150
0.14
0.34
0.69
1.4
2.8
4.1
5.5
6.9
8.6
10.3
750
1570
2500
5000
8800
12,100
7100
7100
7100
7100
20.1
42.1
67.0
134
236
324
190
190
190
190
750
1570
2500
5000
8800
12,100
15,400
15,200
14,200
12,200
20.1
42.1
67.0
134
236
324
413
407
381
327
750
1570
2500
5000
8800
12,100
15,400
18,600
22,700
26,700
20.1
42.1
67.0
134
236
324
413
498
608
716
Deviation from Setpoint
±0.5 In. w.c. /
±1 mbar
±1 In. w.c. /
±2 mbar
-1 to 2 In. w.c. /
-2 to 5 mbar
SCFH Nm
3
/h SCFH Nm
3
/h SCFH Nm
3
/h
0.5 to 2 in. w.c. /
1 to 5 mbar
1D892527022
Brown
1 2
2
5
10
20
40
60
80
100
125
150
0.14
0.34
0.69
1.4
2.8
4.1
5.5
6.9
8.6
10.3
750
1570
2500
5000
8800
12,100
7100
7100
7100
7100
20.1
42.1
67.0
134
236
324
190
190
190
190
1270
2280
3400
5200
8800
12,100
15,400
15,200
14,200
12,200
34.0
61.1
91.1
139
236
324
413
407
381
327
1270
2280
3400
5200
8800
12,100
15,400
18,600
22,700
26,700
34.0
61.1
91.1
139
236
324
413
498
608
716
2 to 5 in. w.c. /
5 to 12 mbar
1D892627022
Red
3 7
2
5
10
20
40
60
80
100
125
150
0.14
0.34
0.69
1.4
2.8
4.1
5.5
6.9
8.6
10.3
750
1570
2500
5000
8800
12,100
11,200
11,200
11,200
11,200
20.1
42.1
67.0
134
236
324
300
300
300
300
1270
2280
3400
5200
8800
12,100
15,400
14,200
14,200
14,200
34.0
61.1
91.1
139
236
324
413
381
381
381
1270
2280
3400
5200
8800
12,100
15,400
18,600
22,700
26,700
34.0
61.1
91.1
139
236
324
413
498
608
716
5 to 8 in. w.c. /
12 to 20 mbar
1D892727012
Black
7 17
2
5
10
20
40
60
80
100
125
150
0.14
0.34
0.69
1.4
2.8
4.1
5.5
6.9
8.6
10.3
710
1370
2110
3050
5580
10,200
14,200
18,600
11,200
11,200
19.0
36.7
56.5
81.7
150
273
381
498
300
300
1070
2030
3130
4260
8020
11,500
15,400
18,600
22,700
26,700
28.7
54.4
83.9
114
215
308
413
498
608
716
1070
2030
3130
4260
8020
11,500
15,400
18,600
22,700
26,700
28.7
54.4
83.9
114
215
308
413
498
608
716
1. For set pressures less than 1 in. w.c. / 2 mbar use only Nitrile (NBR) elastomers.
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