Design Data
Page 1 of 1
According to details received from client our input data is:
Subject Q
Emergency Vent
Value
52.6
Qu
52.6
mhr
Flash point
above 37.8°C
Design pressure
15
mbarg
Set Pressure
14
mborg
Working Pressure
7.5
mbarg
Tank Dia
12.5
In
Tank Height
1141
Wetted Surface Area
358.7
m2
Venting Requinment(for air) 19910.0 Nm/hr
Venting Requirment(for N) 20643 Nm/hr
Remarks
Filling rate Pump out rate
Acc to Datasheet
(Ace to data sheet) and is equal to 152.96 mm water 142.76 mm water
(Ace to data sheet) and is equal to 76.48 mm water
Acc to Datasheet
Acc to Datasheet
A-Dxnx9.14
As per AP12000,Table 38
based on 3034-08-ED-SE-CAL-VP-0226-0004-86
For 20in Emergency Vent, Flow rates are obtained from below diagram
22/2/2015
RV04
(Fig.3800 Persian GPE.Co Catalog)
Flow Capacity According to Diagram
Over Pressure
1
Pressure 142.76 mm Water
Flow 23000 NCMPH
1.4
199.86 mm Water
27000 NCMPH
Remarks
Based on set pressure Based on 1.4 time of pressure (based on AP12000 „pas 33at C.2.31 and page 37)
Emergency Vent Pressure - Flow Graph
Pressure Flow Graph with 40% Over Pressure
Flow Rate (Normal Cubic meters per hour* 1000)
70
60
50
40
30
20
10
289 2
24in
20in
-FIO
16in
-F16
-F20
-F24*
10in
50 100 150 200 250 300 350 400 450 500 550 600 650 Set Pressure (MM W.G.) x1.40 Over Pressure
700
Due to the results, our proposal is 1 set of EV (20in) for each tank (TK0801/5801)