Weir SPM User Manual

Document P/N: 2A43495
Release Date: 02/27/2018
Revision: IR
14 of 16
Rupture Disc Flow Rates Reference:
The following chart and graph represent the pressure and flow rates for the pressure disc per manufacturing
standards. It is important to adhere to these values to ensure the appropriate disc is used. Please note that the
lowest rupture disc is a minimum pressure of 2500 PSI
Pressure
(PSI)
2" Rupture
Discs
3" Rupture
Discs
GPM BPM GPM BPM
15,000 1,032 24.6
2,989 71.2
14,500 1,011 24.1
2,938 70
14,000 994 23.7
2,887 68.7
13,500 976 23.2
2,835 67.5
13,000 958 22.8
2,782 66.2
12,500 939 22.4
2,728 65
12,000 920 21.9
2,673 63.6
11,500 901 21.4
2,617 62.3
11,000 881 21.0
2,559 60.9
10,500 861 20.5
2,500 59.5
10,000 840 20.0
2,440 58.1
9,500 818 19.5
2,378 56.6
9,000 797 19.0
2,314 55.1
8,500 774 18.4
2,249 53.6
8,000 751 17.9
2,182 51.9
7,500 727 17.3
2,112 50.3
7,000 702 16.7
2,041 48.6
6,500 677 16.1
1,966 46.8
6,000 650 15.5
1,889 45
5,500 622 14.8
1,808 43.1
5,000 593 14.1
1,724 41
4,500 563 13.4
1,635 38.9
4,000 531 12.6
1,541 36.7
3,500 496 11.8
1,441 34.3
3,000 459 10.9
1,334 31.8
2,500 419 10.0
1,217 29
2 & 3” -1502 EXL Pressure Relief Disc Pressure vs Flow Rate
0
2,000
4,000
6,000
8,000
10,000
12,000
14,000
16,000
0.0 20.0 40.0 60.0 80.0
P
R
E
S
S
U
R
E
(
P
S
I
)
FLOW RATE (BPM)
2INCH
3INCH

Weir SPM Specifications

General

Brand	Weir
Model	SPM
Category	Control Unit
Language	English