Page 352 - Valve Selection Handbook
P. 352
322 Valve Selection Handbook
International system of units with direct-acting pilot, 202
(SI), 299 with indirect-acting pilot, 211
Oscillation dampers for direct- Pressure relief valve sizing, 256
loaded pressure relief sizing for gas and vapor, other
valves, 188 than steam, 261
Pressure relief valves, direct- for sonic nozzle flow, in
loaded types, 165 mixed imperial units, 261
adjusting of blowdown in mixed SI units, 261
of safety valves, for subsonic nozzle flow, in
169-171, 193 mixed imperial units, 262
of safety relief valves, in mixed SI units, 264
174, 193 sizing for dry saturated steam,
safety valves, 168 in mixed imperial units,
safety relief valves, 171 264
balanced type, 174 in mixed SI units, 265
conventional type, 171 sizing for liquid flow, in mixed
liquid relief valves, 177 imperial units, 267
vacuum relief valves, 180 in mixed SI units, 267
Pressure relief valves, Properties of fluids, 283
performance of direct-acting Rupture discs, 216-255
types, 190 application of rupture discs,
certification of valve 216
performance, 190 construction materials, 220
predicting the operational heat shields, 221
behavior of spring-loaded limitations of rupture discs in
pressure relief valves, 191 liquid service, 218
verification of operating data Rupture discs, tension loaded
prior to and after types, metal construction, 223
installation, 200 scored forward-domed, 228
Pressure relief valves, direct- slotted and lined forward-
loaded type, with auxiliary domed, 227
actuator, 182 solid forward-domed, 223
for supplementary lift Rupture discs, compression-
assistance, 182 loaded types (reverse
for supplementary restricted buckling), metal
loading, 184 construction, 230
for supplementary unrestricted reverse buckling, with knife
loading, 186 blades, 232
Pressure relief valves, pilot- cross scored, 233
operated, 202 slip-away disc, 236
