November 13, 2016 | Author: Michael J. Bane | Category: N/A
ChemTech Bridgeville, PA
Free Vent Sizing & Selection Report 28-Oct-2013
United States of America 412-220-4571
[email protected] Quote Number:
No
Prpd. Chk. Appr.
Date
Revision
Client: Location:
End-User Ref. No.:
Project: 1
Project Ref. No.:
2
VALVE ID Tag No. QuickCalc003
41 42
Design Code
3
Service
43
Sizing Basis
4
PID No.
5
Line No.
6 7 Valve Type
Sizing Std.
44
Fluid State at Inlet
Gas / Vapor
45
Relieving Case
Tank P-Cond.
1
46
Free Vent
System Conditions
47
MAWP
48
MAWV
0.25 psig
9
49
Atmospheric Pressure
10
50
Operating Temperature
60 °F
51
Min. Design Temperature
20 °F
52
Max. Design Temperature
200 °F
11 12
Inlet
13
Outlet
14
8"
CONNECTIONS Drilling 150#
FF
Drilling
15
MATERIALS OF CONSTRUCTION Base Aluminum
16
Hood
Aluminum
Standard
14.696 psia
ANSI B16.5 53 54 55 56
Tank Pressure Conditions Fluid Name Methane
17
57
Molecular Weight, M
16.040
18
58
Compressibility, Z
1.000
19
59
Ratio of Sp. Heats, k (Cp / Cv)
1.310
20
60
Subsonic Flow Factor, Fs
0.128
21
61
Vessel Pressure
0.25 psig
22
62
Flowing Temperature
23
63
Required Flow
24
64
Flow Coefficient
25
65
26
66
27
67
28
68
29
69
30 31 32
SIZING / SELECTION SUMMARY Model Number 700008 Brand
33
Varec
70
Compressibility, Z
72
Ratio of Sp. Heats, k (Cp / Cv) Subsonic Flow Factor, Fs
Pressure Case 2913 SCFM
73 74
Vessel Vacuum
35
Maximum Flow
3567.915 SCFM
62
Flowing Temperature
Vacuum Case
63
Required Flow
77
Flow Coefficient
38
Required Flow
78
39
Maximum Flow
79 80
Tag Notes
40
0.825
Molecular Weight, M
71
Required Flow
37
200 °F 2913 SCFM
Tank Vacuum Conditions Fluid Name
34 36
API2000
Blocked Discharge
Quantity GENERAL
8
SIZING DATA Non-Code
Printed On: 28-Oct-2013
Pentair PRV²SIZE Software Version pr4.3_20130731.2
Page : 1
Pentair Valves & Controls and its parent, subsidiaries, and affiliates assume no liability in any way whatsoever for any direct or indirect loss or damage through the application of this software. See terms of license agreement. Not for resale. All rights reserved. All trademarks, trade names and/or registered trademarks referred to in this program are the property of their respective owners. Copyright © 2013 Pentair Valves & Controls.
ChemTech Bridgeville, PA
Free Vent Calculation Report 28-Oct-2013
United States of America 412-220-4571
[email protected] Quote Number:
No
Prpd. Chk. Appr.
Date
Revision
Client: Location:
End-User Ref. No.:
Project: 1
VALVE ID Tag No. QuickCalc003
2 3
6
Flow
CALCULATION NOTES
8
Valve Model No. 700008
4 5
Project Ref. No.: 7 Qty. 1
9
CALCULATION SUMMARY Required 2913 SCFM
10
Max. Flow per Valve
11 12
TANK PRESSURE CONDITION Variable Type Fluid Properties
Process Cond.
Variable Name Molecular Weight
Symbol M
Equation Value 16.040
Ratio of Specific Heats
k
1.310
1.310
Compressibility
Z
1.000
1.000 2913 SCFM
Required Volumetric Flow
Vreq
2913 SCFM
Tank Pressure
Ptank
0.25 psig
0.25 psig
Atmospheric Pressure
Patm
14.696 psia
14.696 psia
Relieving Temperature Valve Data
Input Value 16.040
T
Maximum Flow Coefficient
Kmax
Transition to Full Open
Tp
Shape Factor
E
Orifice Area
A
200 °F 0.825 0.0004 psig 0 50.027 in²
Calculate Inlet Relieving Pressure, Outlet Pressure, Absolute Pressure Ratio P1 = Ptank + Patm P1
659.670 °R 0.825 0.0004 psig 0 50.027 in² 14.946 psia
P2 = Patm
P2
PR = P2 / P1
PR
14.696 psia 0.983
Calculate Sub-Critical Flow Factor Fs = {[k / (k - 1)] * [PR^(2 / k) - PR^((k+1)/k)]}^0.5
Fs
0.128
Calculate Differential Pressure X = P1 - P2
X
0.250
0.825
Calculate Discharge Coefficient Kd If X > Tp, then Kd = Kmax, else Kd = Kmax * {sin[(X / Tp) * (π / 2)]}^E Calculate Volumetric Flow V = 278700 * Kd * A * P1 * Fs / (M * T * Z)^0.5
Printed On: 28-Oct-2013
V
3567.915 SCFM
Pentair PRV²SIZE Software Version pr4.3_20130731.2
3567.915 SCFM
Page : 2
Pentair Valves & Controls and its parent, subsidiaries, and affiliates assume no liability in any way whatsoever for any direct or indirect loss or damage through the application of this software. See terms of license agreement. Not for resale. All rights reserved. All trademarks, trade names and/or registered trademarks referred to in this program are the property of their respective owners. Copyright © 2013 Pentair Valves & Controls.
ChemTech Bridgeville, PA
Pressure Relief Valve Dimensional Drawing 28-Oct-2013
United States of America 412-220-4571
[email protected] Quote Number:
No
Prpd. Chk. Appr.
Date
Revision
Client: Location:
End-User Ref. No.:
Project: 1
Project Ref. No.: 7
SELECTION SUMMARY
VALVE ID Tag No. QuickCalc003
8
Valve Model No.
700008
Service
9
Brand
Varec
4
PID No.
10
5
Line No.
2 3
11
Inlet
1
12
Outlet
8"
Drilling
FF
Standard ANSI B16.5
Wt.=
12 lb
=
5.44 kg
A=
20 in
=
508.00 mm
B=
7.75 in
=
196.85 mm
C=
=
D=
=
E=
=
F=
=
G=
=
H=
=
Tag Notes Printed On: 28-Oct-2013
150#
Drilling
Dimension Notes
6
CONNECTIONS
Quantity
Pentair PRV²SIZE Software Version pr4.3_20130731.2
• Accessories not shown. • Weight and dimensions shown are approximate. • Actual valve may vary from. image.
Page : 3
Pentair Valves & Controls and its parent, subsidiaries, and affiliates assume no liability in any way whatsoever for any direct or indirect loss or damage through the application of this software. See terms of license agreement. Not for resale. All rights reserved. All trademarks, trade names and/or registered trademarks referred to in this program are the property of their respective owners. Copyright © 2013 Pentair Valves & Controls.
Pentair PRV²SIZE Software
Brand:
Varec
Printed On: 28-Oct-2013
Valve Type:
8" 7000
Pentair PRV²SIZE Software Version pr4.3_20130731.2
Page : 4
Pentair Valves & Controls and its parent, subsidiaries, and affiliates assume no liability in any way whatsoever for any direct or indirect loss or damage through the application of this software. See terms of license agreement. Not for resale. All rights reserved. All trademarks, trade names and/or registered trademarks referred to in this program are the property of their respective owners. Copyright © 2013 Pentair Valves & Controls.
Pentair PRV²SIZE Software Summary Report Project Information Company: Location:
Project: Project Ref. No.:
Tag Information Tag Number: Revision: Prepared By:
QuickCalc003 Last Modified: Checked By:
10/28/2013 12:07:17 PM Approved By:
Specific Tank Data Sized Using User Defined Flow Pressure Fluid: Methane Pressure Flow Rate: 2913
Valve Sizing Information Valve Type: 7000, 8" Part Number: 700008 Max Pressure Flow Capacity:
Quantity to Order:
1
3567.915 SCFM
Selected Valve Description Code 7000 08
Category Style Size
Printed On: 28-Oct-2013
Description Free Vent: FF Alum Base / Alum Hood 8" (Bolts to 150# Flange)
Pentair PRV²SIZE Software Version pr4.3_20130731.2
Page : 5
Pentair Valves & Controls and its parent, subsidiaries, and affiliates assume no liability in any way whatsoever for any direct or indirect loss or damage through the application of this software. See terms of license agreement. Not for resale. All rights reserved. All trademarks, trade names and/or registered trademarks referred to in this program are the property of their respective owners. Copyright © 2013 Pentair Valves & Controls.
