AW-Lake SRZ Specifications
SRZ HELICAL GEAR FLOW METER
Ideal for highly lled and abrasive uids, such as polyurethanes and polymers, glues and sealing materials,
as well as heavy fuel oils.
APPLICATIONS
This series of flow meters from AW Gear Meters is a high-resolution answer to your
metering needs. Made of stainless steel, the meters in the SRZ series offer wide
measuring ranges and low pressure loss.
A helical-gear design gives these meters lower pressure drop compared to other
meters and ideal for metering high viscosity polyurethanes, polymers, glues, sealants,
and heavy fuel oils.
AW Gear Meters offers these specialized helical gear flow meters suitable for a variety
of industrial applications, including:
• Sealant / Adhesive Dispensing Applications – Single and
• Multi-Component
• Paint Reclaim and Environmental Tracking
• Paint Circulation / Supply
• Paint Spray Operations-High Solids / Filled Materials
• Material Manufacturing – Monitoring / Batching
• Full body resin applications
BENEFITS
Affordable and Accurate
This meter has the ability to maintain consistent
accuracy despite changing viscosity conditions, with
accuracy of ±0.5% of reading.
Rugged Construction
The SRZ’s solid meter construction is made of 303
stainless steel with tungsten carbide bearings for
corrosion resistance and durability. Optional hardcoat gear offerings available.
Flexible
May be used with a wide range of materials
and viscosities with a low pressure drop than
conventional meters and wide flow range/size
selection. Models offered with either BSPP or NPT
threaded ports.
Proven Reliability & Performance
With a proven industry record for reliable meter
life and electronics, these meters are ready to be
installed into your process today.
TECHNICAL SPECIFICATIONS
Measuring Accuracy
± 0.5% of reading with fluid viscosities
>30 cP
Repeatability
± 0.1%
Flow Measuring Range
0.1 to 11 gpm
0.25 to 26 gpm
1 to 105 gpm
Maximum Operating Pressure
up to 6,000 psi
MATERIALS OF CONSTRUCTION
Body
Bearings
Gear
Seals
Maximum Fluid Temperature
Depends on sensor used, refer to
sensor technical guide
Ports
NPT and BSPP available
Turn Down Ratio
Over 1:100
Line Sizes
from ¾” to 1½”
303 Stainless Steel
Tungsten Carbide
303 Stainless Steel (QPQ1 coating)
Note: Other coangs available
PTFE Standard (FKM & EPDM also available)
2440 W. Corporate Preserve Dr. #600, Oak Creek, WI 53154 | www.aw-lake.com
©2016 AW-Lake Company. All rights reserved. Doc ID: SRZDS16 REV 3.20
SRZ HELICAL GEAR FLOW METER
Ideal for highly lled and abrasive uids, such as polyurethanes and polymers, glues and sealing materials,
as well as heavy fuel oils.
METER DATA
Meter Size Flow Range
(Gpm)
SRZ-40-xx 0.1 - 11.0 3.51 13,300 3/4” 200 14.0 6,000 psi
SRZ-100-xx 0.25 - 26.0 0.85 3,230 1” 300 32.0 6,000 psi
SRZ-400-xx 1.0 - 105 0.21 810 1-1/2” 300 70.0 6,000 psi
xx= B1 for NPT port thread, B2 for BSPP port thread
*A calibraon sheet accompanies every meter sold with specic k-factor.
Nominal K-Factor*
(pulses/cc) (pulses/gal)
Port Size
(Thread Size)
Filtraon
(Microns)
Weight
(Llbs)
Pressure
Rang
METER DIMENSIONS
SRZ Type A B C D E F G H I L P T
G 3/4”
M22x1.5
3/4” NPT
G1”
1” NPT
3.19”
(81mm)
4.17”
(106mm)
5.20”
(132mm)
2.00”
(50mm)
2.56”
(65mm)
-
6.10”
(155mm)
8.70”
(221mm)
12.52”
(318mm)
M14x1.5
M14x1.5
M14x1.5
SRZ-40-xx
SRZ-100-xx
SRZ-400-xx
3.35”
(85mm)
4.29”
(109mm)
5.28”
(134mm)
M8
M10
M12
1.32”
(33.5mm)
2.09”
(53mm)
2.36”
(60mm)
0.98”
(25mm)
1.73”
(44mm)
-
0.75”
(19mm)
0.91”
(23mm)
1.18”
(30mm)
0.51”
(13mm)
0.71”
(18mm)
- G1-1/2”
RECOMMENDED SENSORS
xx= B1 for NPT port thread, B2 for BSPP thread
* A calibraon sheet accompanies every meter sold with specic K-factor.
Frequency Output; 5-pin screw-on connector VTER/P Works with SRZ-40
Frequency Output; 5-pin screw-on connector VTEK/P Works with SRZ-100, SRZ-400
EX Versions available, consult factory.
Products may be subject to change without noce - Contact factory for the most up-to-date product informaon.
Sensor Type Model Sensor Features
1.02”
(26mm)
1.18”
(30mm)
1.30”
(33mm)
2440 W. Corporate Preserve Dr. #600, Oak Creek, WI 53154 | www.aw-lake.com
©2016 AW-Lake Company. All rights reserved. Doc ID: SRZDS16 REV 3.20
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