powerflo bronze safety & relief valves - Powerflo Solutions
powerflo bronze safety & relief valves - Powerflo Solutions
powerflo bronze safety & relief valves - Powerflo Solutions
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POWERFLO<br />
1479 and 1551 SAFETY & RELIEF VALVES<br />
IN ACCORDANCE WITH AS1271 FOR USE ON UNFIRED PRESSURE VESSELS,<br />
ETC.<br />
Set Pressur<br />
essure<br />
kPag<br />
35<br />
105<br />
170<br />
205<br />
240<br />
275<br />
345<br />
415<br />
485<br />
585<br />
655<br />
690<br />
725<br />
760<br />
825<br />
860<br />
895<br />
1000<br />
1035<br />
1105<br />
1210<br />
1275<br />
1345<br />
1380<br />
1450<br />
1515<br />
1585<br />
1655<br />
1725<br />
1795<br />
1860<br />
1930<br />
2000<br />
2050<br />
Fig. 1551 Fig. 1551 Fig. 1479<br />
Steam (Kg/Hr)<br />
Air (l/Sec)<br />
Water (l/Min)<br />
126.7mm 2<br />
15NB<br />
52<br />
75<br />
97<br />
109<br />
121<br />
134<br />
160<br />
186<br />
211<br />
248<br />
273<br />
286<br />
299<br />
312<br />
336<br />
348<br />
361<br />
400<br />
412<br />
438<br />
476<br />
500<br />
526<br />
539<br />
564<br />
588<br />
614<br />
639<br />
665<br />
690<br />
714<br />
740<br />
765<br />
784<br />
181.8mm 2<br />
20NB<br />
75<br />
108<br />
139<br />
156<br />
174<br />
193<br />
230<br />
266<br />
303<br />
356<br />
392<br />
411<br />
429<br />
447<br />
482<br />
500<br />
518<br />
573<br />
592<br />
629<br />
684<br />
718<br />
755<br />
773<br />
810<br />
844<br />
881<br />
917<br />
954<br />
991<br />
1025<br />
1062<br />
1099<br />
1125<br />
126.7mm 2<br />
15NB<br />
19<br />
28<br />
36<br />
40<br />
45<br />
50<br />
59<br />
69<br />
78<br />
92<br />
101<br />
106<br />
111<br />
116<br />
124<br />
129<br />
134<br />
148<br />
153<br />
162<br />
177<br />
185<br />
195<br />
200<br />
209<br />
218<br />
227<br />
237<br />
246<br />
256<br />
265<br />
274<br />
284<br />
291<br />
181.8mm 2<br />
20NB<br />
28<br />
40<br />
52<br />
58<br />
65<br />
71<br />
85<br />
99<br />
112<br />
132<br />
145<br />
152<br />
159<br />
167<br />
179<br />
185<br />
192<br />
213<br />
219<br />
233<br />
253<br />
266<br />
280<br />
287<br />
300<br />
313<br />
326<br />
340<br />
354<br />
367<br />
380<br />
394<br />
407<br />
417<br />
126.7mm 2<br />
15NB<br />
39.64<br />
68.67<br />
87.37<br />
95.95<br />
103.81<br />
111.13<br />
124.47<br />
136.51<br />
147.58<br />
162.08<br />
171.5<br />
176.03<br />
180.44<br />
184.74<br />
192.48<br />
196.52<br />
200.48<br />
211.91<br />
215.59<br />
222.76<br />
233.1<br />
239.28<br />
245.76<br />
248.94<br />
255.17<br />
260.83<br />
266.79<br />
272.62<br />
278.32<br />
283.91<br />
289.01<br />
294.4<br />
299.69<br />
303.41<br />
181.8mm 2<br />
20NB<br />
56.89<br />
98.53<br />
125.37<br />
137.67<br />
148.96<br />
159.45<br />
178.6<br />
195.88<br />
211.76<br />
232.57<br />
246.09<br />
252.58<br />
258.9<br />
265.08<br />
276.18<br />
281.98<br />
287.66<br />
304.07<br />
309.34<br />
319.63<br />
334.47<br />
343.34<br />
352.64<br />
357.2<br />
366.15<br />
374.26<br />
382.81<br />
391.17<br />
399.36<br />
407.38<br />
414.69<br />
422.42<br />
430.02<br />
435.36<br />
NOTES:<br />
1. Kilograms per hour saturated steam at 10% overpressure, 90% of average capacity.<br />
2. Capacity at set pressure below 206 kPa are based on 21 kPa overpressure.<br />
3. Litres per second of free air at (15°C) and 10% overpressure, 90% of average capacity.<br />
4. Litres per minute of water at (20°C) and 25% overpressure.<br />
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