7330 Series - Polysulfone
Union ends simplify installation and maintenance. With the Teflon® float option these meters are
excellent for applications where no metal is preferred. Socket weld end connections are available

Description
Metering Tube
Molded Polysulfone
Internal Components
316L Stainless Steel, Teflon®
Polysulfone or Hastelloy C-276®
Inlet/Outlet Fittings  
NPT, Vertical
Fitting Material
Standard: PVC
Optional: PVDF
Elastomers
Standard: Viton®
Optional: Buna N, EPR, and Kalrez®
Options
Alarm
Latching Reed Switch
Certified Calibrations
Conform to ISA RP 16.6
Scales
Can be produced in any volumetric unit

Liquid Compatible
Alarm Compatible
7330 Series - Polysulfone Tube Rotameters
Performance
Capacities
.5 to 100 GPM — Water (Teflon® float)
1.5 to 160 GPM — Water (Metal float)
Scale
127 mm (5") Direct reading, detachable
Accuracy
± 3% of Full Scale Flow
± 5% of Full Scale (120 & 150 GPM Metal floats) 
± 6% of Full Scale (Teflon floats)
Turndown
10:1 to12.5:1 unless otherwise indicated
Repeatability
.50%
1% (120 & 150 GPM Metal floats)
1% (Teflon floats)
Max Temperature
PVC Fittings — 130° F (54° C)
PVDF Fittings — 200° F (93° C)
Max Pressure
PVC Fittings — 150 psig (sizes 41W - 72W)
PVC Fittings — 125 psig (size 90W - 103W)
PVDF Fittings — 150 psig (sizes 41W - 72W)
PVDF Fittings — 125 psig (size 90W - 103W)
Ambient Temperature
33° F to 125° F (1° C to 52° C)
Materials Of Construction
Part Standard Optional
Metering Tube Polysulfone –
Float 316L SS or Teflon PTFE Hastelloy® C-276
Guide Rod 316L SS or Polysulfone Hastelloy® C-276 or PVDF
Fittings PVC PVDF
O-Rings Viton® EPR, Buna-N, Kalrez®
Float Stops Polysulfone PVDF
Fitting Retainers Anodized Aluminum PVC
If the service is Ultra Pure, the 7330 is the meter of choice.
The best components for this application are:
Meter Tube: Polysulfone P1700-06 (natural, hand selected resin)
Fittings: Virgin PVDF
Float: Virgin PTFE (Teflon®)
O-rings: Viton® or Kalrez®
Teflon® is a registered trademark of DuPont Dow Elastomers.
Caution: Polysulfone should not be used in direct sunlight or any other significant sources of Ultraviolet light.
Specifications
Order
Number		 Flow Range
Water		 Float
Material		 Float
Number		 Alarm
Option
Dimensions (Inches)
 Connection
Size		  
A B  
41W
.5 GPM
PVDF
4-TSL-01*
 No
10.00
1.375
.50" FNPT
42W
1 GPM
Teflon®
4-TSL-02
 Yes
10.00
1.375
.50" FNPT
43W
1.5 GPM
316L SS
4-SSL-01
 Yes
10.00
1.375
.50" FNPT
44W
3 GPM
316L SS
4-SSL-02
 Yes
10.00
1.375
.50" FNPT
45W
1.6 GPM
Hastelloy®
4-HSL-01
 Yes
10.00
1.375
.50" FNPT
46W
3.2 GPM
Hastelloy®
4-HSL-02
 Yes
10.00
1.375
.50" FNPT
51W
2.4 GPM
Teflon®
5-TSL-01*
 Yes
10.00
1.750
.75" FNPT
52W
5 GPM
Teflon®
5-TSL-02
 Yes
10.00
1.750
.75" FNPT
53W
6 GPM
316L SS
5-SSL-01*
 Yes
10.00
1.750
.75" FNPT
54W
10 GPM
316L SS
5-SSL-02*
 Yes
10.00
1.750
.75" FNPT
55W
6.3 GPM
Hastelloy®
5-HSL-01
 Yes
10.00
1.750
.75" FNPT
56W
10.6 GPM
Hastelloy®
5-HSL-02*
 Yes
10.00
1.750
.75" FNPT
61W
7.6 GPM
Teflon®
6-TSL-01
 Yes
11.75
2.250
1" FNPT
62W
10 GPM
Teflon®
6-TSL-02
 Yes
11.75
2.250
1" FNPT
63W
15 GPM
Teflon®
6-TSL-03
 Yes
11.75
2.250
1" FNPT
64W
20 GPM
Teflon®
6-TSL-04
 Yes
11.75
2.250
1" FNPT
65W
12 GPM
316L SS
6-GVL-01
 Yes
11.75
2.250
1" FNPT
66W
18 GPM
316L SS
6-SSL-02
 Yes
11.75
2.250
1" FNPT
67W
25 GPM
316L SS
6-SSL-03
 Yes
11.75
2.250
1" FNPT
68W
35 GPM
316L SS
6-SSL-04
 Yes
11.75
2.250
1" FNPT
69W
13 GPM
Hastelloy®
6-HSL-01
 Yes
11.75
2.250
1" FNPT
70W
19 GPM
Hastelloy®
6-HSL-02
 Yes
11.75
2.250
1" FNPT
71W
26.5 GPM
Hastelloy®
6-HSL-03
 Yes
11.75
2.250
1" FNPT
72W
37 GPM
Hastelloy®
6-HSL-04
 Yes
11.75
2.250
1" FNPT
90W
40 GPM
Teflon®
9-TSL-00
 Yes
16
3.785
2" FNPT
91W
60 GPM
Teflon®
9-TSL-01
 Yes
16
3.785
2" FNPT
92W
80 GPM
Teflon®
9-TSL-02
 Yes
16
3.785
2" FNPT
94W
100 GPM
Teflon®
9-TSL-04
 Yes
16
3.785
2" FNPT
99W
60 GPM
316L SS
9-SSL-00
 Yes
16
3.785
2" FNPT
95W
80 GPM
316L SS
9-SSL-01
 Yes
16
3.785
2" FNPT
96W
100 GPM
316L SS
9-SSL-02
 Yes
16
3.785
2" FNPT
97W
120 GPM
316L SS
9-SSL-03
 Yes
16
3.785
2" FNPT
98W
150 GPM
316L SS
9-SSL-04
 Yes
16
3.785
2" FNPT
100W
84 GPM
Hastelloy®
9-HSL-01
 Yes
16
3.785
2" FNPT
101W
106 GPM
Hastelloy®
9-HSL-02
 Yes
16
3.785
2" FNPT
102W
126 GPM
Hastelloy®
9-HSL-03
 Yes
16
3.785
2" FNPT
103W
160 GPM
Hastelloy®
9-HSL-04
 Yes
16
3.785
2" FNPT
  
Caution: Polysulfone should not be used in direct sunlight or any other significant sources of Ultra-Violet light

Alarm Options:
Latching Reed Switch
A latching reed switch is available for 7300, 7470, 7480, 7600 and 7900 Series flowmeters. The switch is reed type and uses a biasing magnet to create a latching feature. The switch is classified as a simple apparatus by UL, FM, etc. and may be suitable for hazardous use when connected to an intrinsic safety barrier. Check your local electrical code for wiring specifications.

  
Switch Specifications
Switch Type: SPDT
Max Contact Voltage: 100 Vdc
Max Contact Current: 0.2 A
Max Contact Power: 4 W
Breakdown Voltage: 200 Vdc

Ordering:
Use the following guide to determine the specific product number you require.
7
3
3
 1
 
 
 
 
     
Meter Series Fitting Material Float Material O-Ring Material Optional Alarm Order Number
PVC - 3 316L SS - 2 EPR - 1 Without Alarm - 0 See Specifications
Table
PVDF - 7 Hastelloy® C-276 - 4 Buna-N - 2 One Alarm - A
  Teflon® - 6 Viton® - 3  
PVDF - 7 Kalrez® - 4
 
  Example: 7331 - 3 - 2 - 1 - 0 - 54W
Download Product Specifications in PDF Format