Taylor-Wharton EF-450 - Manual (Page 6)

Specifications
Model EF-450-DOT EF-450HP DOT EF-450VHP DOT EF-450 EF-450HP
Part Number M4500C03-EZ H4500C03-EZ V4500C03-EZ M4500C01-EZ H4500C01-EZ
Dimensions
Footprint inches 31 x 31 31 x 31 31 x 31 31 x 31 31 x 31
(mm) 787 x 787 787 x 787 787 x 787 787 x 787 787 x 787
Cylinder Diameter inches 30 30 30 30 30
(mm) 762 762 762 762 762
Height inches 74 74 74 74 74
(mm) 1,880 1,880 1,880 1,880 1,880
Empty Weight lbs 640 730 885 730 950
(kg) 290 331 401 331 431
Capacity, Gross gallons 118 117 115 117 115
(liters) 448 443 437 442 436
MAWP psig 250 350 500 250 350
(kPa) 1,724 2,413 3,448 1,724 2,413
Design Specification DOT 4L ASME Section VIII, Division I
Safety Devices
Pressure Relief Valve psig 250 350 500 250 350
(kPa) 1,724 2,413 3,448 1,724 2,413
Inner Container Bursting Disc psig 356 525 750 356 525
(kPa) 2,455 3,620 5,171 2,455 3,620
Road Relief Valve psig 22 22 22 NA NA
(kPa) 152 152 152 NA NA
Pressure Control Devices
Economizer Setting psig 200 325 420 200 325
(kPa) 1,379 2,241 2,896 1,379 2,241
Pressure Building Setting psig 175 300 400 175 300
(kPa) 1,207 2,069 2,758 1,207 2,069
Gaseous Capacity NPT 1
Nitrogen cu. ft. 9,250 8,750 7,687 9,798 9,660
(cu. M) 262 248 218 277 274
Oxygen cu. ft. 11,400 11,000 10,208 12,100 11,900
(cu. M) 323 312 289 343 337
Argon cu. ft. 11,000 10,700 9,947 11,900 11,700
(cu. M) 312 303 282 337 331
Weight of Contents 1
Nitrogen lbs 670 634 557 710 700
(kg) 304 288 253 322 318
Oxygen lbs 946 907 845 1,001 987
(kg) 429 411 383 454 448
Argon lbs 1,134 1,102 1,028 1,223 1,206
(kg) 514 500 466 555 547
Gas Delivery Rate cfh 450 450 450 450 450
(cu. M/h) 12.7 12.7 12.7 12.7 12.7
NER (Percent of capacity per day O
2
) 1.0%
1 Based on liquid at full trycock for ASME designs and maximum liquid weight for DOT designs.
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