Control systems Safety valves
4
Table 1 SVL488 flow capacity for dry saturated steam in kilogrammes per hour (kg/h) and pounds per hour (lb/h) (calculated at 10% overpressure. In accordance with EN ISO 4126)
DN25/40 (1"/1½")
DN40/65 (1½"/2½")
DN50/80 (2"/3")
DN65/100 (2½"/4")
DN80/125 (3"/5")
DN100/150 (4"/6")
Valve size DN in/out
23 (0.91)
37 (1.46)
46 (1.81)
60 (2.36)
74 (2.91)
92 (3.62)
Flow diameter (mm)
416 (0.64 in²)
1 075 (1.67 in²)
1 662 (2.58 in²)
2 827 (4.38 in²)
4 301 (6.67 in²)
6 648 (10.3 in²)
Flow area (mm²)
Set pressure (bar g)
Dry saturated steam, kg/h
0.2 (2.9)
151 (333) 214 (472) 319 (703) 504 (1111) 678 (1495) 843 (1858)
390 (860) 554 (1221) 825 (1819) 1 303 (2873) 1 751 (3860) 2 177 (4799)
604 (1332) 857 (1889) 1 275 (2811) 2 015 (4442) 2 707 (5968) 3 366 (7421)
1027 (2264) 1457 (3212) 2 169 (4782) 3 427 (7555) 4 605 (10152) 5 726 (12617)
1562 (3444) 2217 (4888) 3 300 (7275) 5 213 (11493) 7 006 (15446) 8 711 (19204)
2415 (5324) 3427 (7555) 5 100 (11244) 8 058 (17765) 10 829 (23874) 13 465 (29685)
0.5 (7.25) 1.0 (14.5)
2.0 (29)
4.7 119
3.0 (43.5)
4.0 (58)
TI-P315-03 CTLS Issue 12
Page 5 of 9
SVL488 Stainless Steel Sanitary Safety Valve
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