Pressure Vessel Engineering Manual - Evapco

Split Flow Horizontal Surge Drums 250# DWP
Notes: All dimensions are given in inches.
Surge volume calculated between 4" OPL and HLCO 2" above center line.
Consult factory for certified drawings.
Split Flow Horizontal Surge Drum Capacity–Tons of Refrigeration R-717
Evaporator Temperature °F
Single Stage* Two Stage*
Model No. 30°F 20°F 10°F 0°F -10°F -20°F -20°F -30°F -40°F -50°F
MHSD20-96 72 66 59 52 46 40 47 40 34 28
MHSD24-96 112 102 91 81 70 62 73 62 53 45
MHSD30-96 187 171 152 136 118 104 122 104 89 75
MHSD36-96 278 255 227 202 176 154 182 156 133 112
MHSD42-96 386 354 315 281 245 215 253 217 185 157
MHSD48-120 513 470 418 373 325 285 336 288 246 208
MHSD54-144 693 636 565 504 439 386 454 389 332 282
MHSD60-144 864 793 705 628 548 481 566 485 414 351
* Single stage capacities based on +96°F liquid supply temperature.
** Two stage capacities based on +25°F liquid supply temperature.
NP
Weld Pads
(Typ. 4 Places)
20
F.S.
Lift Lugs
A B C D E F G H J K (Ft 3 ) (lbs.)
Overall Shell Suction Gas Liquid Liquid Level Oil Pot Surge Vessel
Model No. Diameter Length Length Inlet Outlet Outlet Make-Up Column Relief Vent Volume Weight
MHSD20-96 20 96 81 4 4 4 1-1/4 1-1/2 1-1/2 3/4 7.9 800
MHSD24-96 24 96 79-1/2 5 5 4 1-1/4 1-1/2 1-1/2 3/4 11 950
MHSD30-96 30 96 77 6 6 6 1-1/2 1-1/2 1-1/2 3/4 18 1,200
MHSD36-96 36 96 74 6 6 6 2 1-1/2 1-1/2 3/4 26 1,500
MHSD42-96 42 96 71 8 8 6 2 1-1/2 1-1/2 3/4 36 1,750
MHSD48-120 48 120 92 10 8 8 2 1-1/2 1-1/2 3/4 59 2,450
MHSD54-144 54 144 113 10 8 8 2-1/2 1-1/2 1-1/2 3/4 93 4,360
MHSD60-144 60 144 110 10 10 10 3 1-1/2 1-1/2 3/4 114 4,900
B
C