|
Standar
<br /> *uble-Wall detect the presencea fittings are available on
<br /> Tanks liquid are used, the cavity made-to-order tanks.
<br /> between the inner and
<br /> outer tank may be either 2. Tank bottom deflector plates
<br /> vented to the atmosphere are standard under every
<br /> or sealed. manway and fitting.
<br /> c) Vacuum monitoring-when 3. All Model "P" tanks include
<br /> vacuum monitoring is used, a Fiberglas reservoir, used
<br /> the maximum vacuum is 3" for leak monitoring, integrally
<br /> mercury (1.5 psi maximum). constructed to the tank top.
<br /> Tank burial depth must not The reservoir includes one
<br /> Standard Double-Wall Tank exceed three feet. 4" NPT half coupling fitting
<br /> Specifications (6" NPT fittings for 10'dia-
<br /> d) Positive air,pressure meter tanks) mounted on
<br /> monitoring-when positive the top of the reservoir
<br /> air pressure monitoring is allowing access to the
<br /> used, the maximum air cavity between the inner
<br /> pressure is 3 psi. and outer tank walls.
<br /> Monitoring capabilities- e) Gasoline vapor sensors- 4. In addition to the monitoring
<br /> the following restrictions apply when gasoline vapor sensors fitting located in the Fiberglas
<br /> for the various types of double- are used,the cavity between reservoir, tanks 4000 gallon
<br /> wall tank monitors: the inner and outer tank capacity and larger include
<br /> may be either vented to the one additional monitoring
<br /> a) Hydrostatic Tank Monitor- atmosphere or sealed. fitting(4" NPT) located at
<br /> tank burial depth must not the tank top. Near the
<br /> exceed 7' from tank top to Standard Tank Notes manways.
<br /> finish grade. t. Standard pipe fittings to the
<br /> primary tank are 4" NPT S. Anchoring strap locations
<br /> The monitoring cavity must half couplings. All tanks are indicated by arrows on
<br /> be vented to the atmosphere. the side of the tank and on
<br /> The optional reservoir sensor, include one manway with,
<br /> supplied by O/C TANKS, is at least, three fittings to the the product drawings.
<br /> designed to automatically vent primary tank located in the
<br /> the monitoring cavity manway cover. All other
<br /> primary tank fittings are
<br /> b) Liquid sensors-when mounted on the tank. Addi-
<br /> cavity monitors which tional manways and tank
<br /> Number
<br /> of 4"NPT Number Cavity
<br /> Nominal Actual Number Tank Primary Nominal Cavity of 4" Spacing
<br /> Tank Between
<br /> Capacity Capacity M22" (71Ttms Weight Volume overall Tank Monitoring-Inner and
<br /> Tank Model (Gallons) (Gallons) Manways (a?ank) (lbs.) (Gallons) Length Diameter Fittings Outer Tank
<br /> DWr-4P(4) 550 550 548 1 4 650 1006'8^ 4' 1 1.1/8"
<br /> DWT-4P(4) 750 750 724 1 4 800 130 819" 4' 1 1-118"
<br /> DWr-4P(4) 1,000 1,000 971 1 4 950 160 119" 4• 1 1.1/8-
<br /> OWT-2P(6) 2,500 2,500 2,385 1 6 1,800 210 127-12" 61 2 1.1/8"
<br /> DWT-2P(6) 4,000 4,000 3,918 1 6 2,500 310 19'11-12' 6' 3 1-1/8'
<br /> "DWT-2P(6) 6,000 6,000 5,997 1 6 4,600 420 299.12" 6' 3 1.118"
<br /> DWT-2P(8) 6,000 6,000 5,929 1 6 3,400 370 199' 8' 3
<br /> DWr-2P(8) 8,000 8,000 7,829 1 6 4,200 470 259" 8' 3 Idle"
<br /> DWT-2P(8) 10,000 10,000 9,730 1 6 5.000 580 309" 8' 3 1-1/e"
<br /> DWT-2P(8) 12,000 12,000 11,627 1 6 6,000 530 369' 8' 3 1-118"
<br /> DwT-2P(10) 15,000 15,000 14,783 1 6 8,500 1,050 29'1" 10' 3 1 N4"
<br /> DWT•2P(10) 20,000 20,000 20,168 1 6 11,000 1,360 389^ 10' 3 1.9/4"
<br /> 'Includes fining in Fiberglas reservoir
<br /> - '-The 6000 DWT-2P(6)is standard at MI.Unlon,PA plant only.Al all other plants.DWT-2P(6)6000 model is mads to order.
<br /> cry1 R {R
<br /> Opticnil 42•ranbinrr,,Co,.
<br /> { �27)14 Yl{�
<br /> {. {'L � I 1•
<br /> 1'10 I• D
<br /> I3h- I 41%.GOI ,
<br /> I
<br /> d 4-z •ter•r_
<br /> �Y4• 4•as•
<br /> Modal OWT4PI41-360 19' M-601 Owf-1P(4F76{ fig•
<br />
|