GAS LIMITING ORIFICE VALVES LVG SERIES0 pages

CAPACITIES

GAS LIMITING ORIFICE VALVES
LVG SERIES
NATURAL GAS
Full Open Valve Capacity (scfh)
PRESSURE DROP
Model No.
LVG 505D
LVG 507D
LVG 510C
LVG 512C
LVG 515C
LVG 520C
LVG 525A
LVG 530A
LVG 540A

Pipe
Size
1/2 NPT
3/4 NPT
1 NPT
1-1/4 NPT
1-1/2 NPT
2 NPT
2-1/2 NPT
3 NPT
4"FLG

1"wc

2"wc

4"wc

6.9"wc

13.8"wc

20.8"wc

27.7"wc

275
405
635
1,070
1,500
2,560
3,985
5,215
9,370

410
590
870
1,520
2,140
3,520
5,630
7,830
13,240

575
815
1,230
2,160
3,000
5,010
7,970
14,330
18,740

757
1,070
1,625
2,840
3,930
6,565
10,480
13,720
24,640

1,055
1,520
2,245
4,020
5,560
9,080
14,830
19,420
34,880

1,290
1,855
2,750
4,890
6,740
11,120
18,160
23,770
42,700

1,470
2,120
3,155
5,630
7,680
12,700
20,960
27,440
49,270

Notes:
1. Capacities based on natural gas @ 0.60 s.g. and 60°F fluid temperature.
2. Pressure drop measured across full open valve.
3. Maximum inlet pressure is 25 psig.
4. For natural gas leakage rates with fully closed valve, consult Hauck.

METRIC CAPACITIES
NATURAL GAS
Full Open Valve Capacity (nm3/hr)
PRESSURE DROP
Model No.
LVG 505D-E
LVG 507D-E
LVG 510C-E
LVG 512C-E
LVG 515C-E
LVG 520C-E
LVG 525A-E
LVG 530A-E
LVG 540A-E

Pipe
Size
1/2 RP
3/4 RP
1 RP
1-1/4 RP
1-1/2 RP
2 RP
2-1/2 RP
3 RP
DN 100

249 Pa

498 Pa

995 Pa

1,720 Pa

3,430 Pa

5,180 Pa

6,900 Pa

7.4
10.8
17.0
28.7
40.2
68.6
107
140
251

11.0
15.8
23.3
40.7
57.3
94.3
151
210
355

15.4
21.8
32.9
57.9
80.4
134
214
384
502

20.3
28.7
43.5
76.1
105
176
281
368
660

28.3
40.7
60.1
108
149
243
397
520
934

34.6
49.7
73.7
131
181
298
486
637
1,140

39.4
56.8
84.5
151
206
340
561
735
1,320

Notes:
1. Capacities based on natural gas @ 0.60 s.g. and 0°C fluid temperature.
2. Pressure drop measured across full open valve.
3. Maximum inlet pressure is 172 kPa.
4. For natural gas leakage rates with fully closed valve, consult Hauck.

(See Page 2 For Example)

HAUCK MANUFACTURING CO., P.O. Box 90 Lebanon, PA 17042-0090 717-272-3051
8/04

www.hauckburner.com

Fax: 717-273-9882

LVG-2