Do you have a question about the SF-1020I and is the answer not in the manual?
Questions and answers
Subscribe to Our Youtube Channel
Summary of Contents for SuperFlow SF-1020I
Page 1
Operator Manual Pub. No.: 1058319 Rev.: 7 SF-1020i SF-1020i August 2022 Original Instructions www.superflow.com SF-1020i FLOWBENCH...
Page 2
Copyright 2020 by SuperFlow Dynamometers & Flowbenches. All rights reserved. No part of this publication may be reproduced, transcribed, or translated by any means without the prior written permission of SuperFlow Dynamometers & Flowbenches, N60 W22700 Silver Spring Drive, Sussex, WI 53089 USA.
System Overview ......................5 3.1 Overview ........................5 3.1.1 Feature Highlights ..................5 3.1.2 Options ......................5 3.1.3 Calibration .....................5 3.1.4 Special Applications Using an SF-1020i Flowbench ........6 3.2 Specifications ......................6 3.3 SF-1020i Description ....................7 3.3.1 Baseplate ......................7 3.3.2 Test Orifice Plate ...................7 3.3.3 Muffler Assembly ...................8 3.4 Options and Accessories ..................9...
Page 4
7.2 Test Pressures and Comparing Flow Numbers ............48 7.3 Correction for Test Pressure Variation ..............50 7.4 Predicting Pressure Drop ..................52 7.5 Calculating Mass Flow with the SuperFlow Flowbench ..........53 7.6 Air Density Correction and SuperFlow Flowbenches ..........54 Appendix ........................56 8.1 Default Settings For 1020i PLC ................56 8.2 Unit Conversions ....................57...
1.0 Introduction 1.1 About This Manual This manual is provided as a reference to explain the operation of the SuperFlow SF-1020i Flowbench. An electronic PDF copy of this manual is provided on the thumb-drive sent with the SuperFlow system. NOTICE Please read the complete manual in detail, prior to operating the machine.
Familiarization with this manual will minimize the possibility of accidents or injuries. Although the procedures covered in this manual have proven safe in use, SuperFlow assumes no responsibility for personal injury or damage to equipment resulting from its applications. All operators must be aware that there are several hazards present to anyone in the vicinity during operation.
Page 7
• Exercise caution when working on or nearby. Make certain that power has been disconnected and all residual voltage has been taken under consideration. Unqualified personnel should never attempt electrical work. Contact SuperFlow if you have any questions about the safe operations of our equipment and for service and advice.
2.0 Safety Guidelines 2.1 During Operation WARNING DANGER • Inspect the equipment monthly to ensure that DO NOT remove any safety guards there are no broken or worn parts which could while the machine is in operation, cause injury to personnel or damage to the and be sure the safety guards are equipment.
3.0 System Overview 3.1 Overview The SuperFlow SF-1020i flowbench is designed to measure the intake airflow resistance of engine cylinder heads, manifolds, filters, or other devices. For testing, the flowbench draws air into the machine through the air pump and exits out the vent on back side of the flowbench.
What is the largest diameter part tested on a SuperFlow bench? Over 18 inches in diameter and 6 feet tall. The component is for a very large gas turbine that drives a stationary electrical power generator.
3.0 System Overview 3.3 SF-1020i Description Air flows through the SF-1020i flowbench and vents out the back of the cabinet. The test device (whatever it is being tested) is mounted on top of the cabinet over the baseplate opening. A test pressure meter (pressure transducer) measures the pressure or vacuum at the base of the test device (just under the baseplate).
3.0 System Overview 3.3.3 Muffler Assembly The muffler assembly replaces the rear panel on the SF-1020i and has been designed to reduce the overall noise emitted by the exhaust air flow of the machine. Figure 3.5: Exhaust Muffler...
Figure 3.4: Air Filter 3.4.3 Adapters and Fixtures SuperFlow offers a wide assortment of adapters and fixtures for mounting your test device to the flowbench. Contact SuperFlow Sales or Customer Service to find out what is available for your application.
Superflow recommends using twist-lock connectors. The power requirements for the SF-1020i can be either 480 VAC, 40A, three-phase, 50 or 60 hz or 380 VAC, 40A, three-phase, 50 or 60 hz. The power source must be protected with the appropriate sized fuse or circuit breaker. The SF-1020i has internal circuit breakers for the electronics but no internal over-current protection for the motor.
4.0 Installation 4.2 Modbus Communication Connection The SF-1020i flowbench uses a programmable logic controller (PLC) connection to control Controller the internal components of the flowbench. The Modbus TCP/IP flowbench utilizes a Modbus TCP/IP network via Field Connections the internal controller. This option allows customers...
Page 16
4.0 Installation Read/ Register Function Data Type Write Value Units Scale Returns SCRT(FlowPress / 40019 PercentFlow Int-16 FullScaleFlowPress) 40020 Swirl Int-16 Not Used 40021 Frequency Int-16 Not Used Returns the full-scale reading for the current 40022 FullScaleFlow Int-16 flow range. 40023 RangeSetting Int-16...
Page 17
4.0 Installation Read/ Register Function Data Type Write Value Units Scale 40075-76 AI1_Average Float-32 Analog averaging > 1 40077-78 AI1_Adder Float-32 Analog adder value 40079-80 AI1_Gain Float-32 Analog multiplier value 40081-82 AI1_Raw Float-32 Unfiltered analog data 0=Read only on Calibration Registers 40083-84 AI2_Calibration_Enable Float-32 1=Write enable...
Page 18
4.0 Installation Read/ Register Function Data Type Write Value Units Scale 40147-148 Press_PID_P Float-32 Flow control proportional number 40149-150 Press_PID_I Float-32 Flow control integral number 40151-152 Press_PID_D Float-32 Flow control derivative number 40153-154 Adjust_Press_PID Float-32 1 = Enable PID change 0= Read only 1=Load current OpRange values into 40155-156 ReadOpRangeVal Float-32...
Superflow does offer optional control packages. Please contact your sales representative for more information. 5.1.1 Setting the Servo Mode The SF-1020i is capable of controlling the airflow to either test pressure flow rate. In test pressure mode, the air pressure is set and the flow rate measured.
5.0 Operation 5.1.2 Setting the Test Pressure If the 40002 Servo_Mode register has been set to Test Pressure mode. The operator should verify and if necessary set the test pressure prior to testing. Test Pressure Register Read/ Register Function Data Type Write Value Units...
5.0 Operation 5.1.4 Setting the Range The SF-1020i has ten (10) flow ranges (see "Table 5-3. SF-1020i Nominal Flow Ranges"). Perform flow testing in the range that provides a flow rate between 70% and 100% of the full-scale range. If uncertain of the correct range to use, start with a high range and move down until you find the correct range.
5.0 Operation 5.1.5 Turning Motor ON/OFF MotorOnOff Register Read/ Register Function Data Type Write Value Units Scale 40006 MotorOnOff Int-16 0=Motor off, 1=Motor On Register 40006 MotorOnOff provides the status (state) that the flowbench motor is currently in when read. It also allows for the ability to change (set) states when this register receives commands.
5.0 Operation 5.1.7 Performing a Flow Test NOTICE For reference purposes, the part being tested is called the “TEST DEVICE.” The part of the flowbench where the test device is mounted is called the “BASEPLATE.” Test Preliminaries Remove the test orifice plate from the flowbench and install the test device with any accessories required (valve opener, radius guide, etc.).
5.0 Operation 5.1.8 Preventing Test Errors Each test you create involves considerable effort on your part that is wasted if you allow undetected errors to creep into your test methods. Always check the following points to reduce the chances of mistakes. 1.
5.0 Operation 5.2 Wago Webvisu Application The SF-1020i flowbench offers limited control functions by directly connecting a properly configured computer to the assemblies Wago PLC via a CAT5 cable utilizing the Wago Webvisu application. 5.2.1 Connect the Wago Webvisu Application Note: These steps are provided as reference only.
Page 26
5.0 Operation ii. The SETUP login allows an operator operational control and the ability to adjust flowbench calibration settings. This login is considered an Administrator's login. Username: SETUP Password: PWRTSTCAL 4. Once logged in, click the Control Page button to open the Control Page page. See section "5.2.2 Wago Webvisu Control Screen"...
5.0 Operation 5.2.2 Wago Webvisu Control Screen From the Control screen of the Wago WebVisu application operators or administrators can monitor, operate and adjust calibration (Admin Only) of the flowbench as discussed in detail on the following pages. The screen appears slightly different depending on the login credentials (USER or SETUP) used as illustrated in Figures 5.4 and 5.5 below.
Range Setting: Clicking the current range setting will open a popup window that allows the operator to enter a new flow range setting (1-10). The SF-1020i has ten (10) flow ranges (see "Table 5-3. SF-1020i Nominal Flow Ranges" on page 17).
5.2.2.3 PID Settings Section NOTICE PID Tuning parameters should not be modified unless instructed to do so under the direction of SuperFlow Service Technician and then done so by the administrator only. Figure 5.7: Readings The PID Settings section displays the current Proportional Integral Derivative (PID) controller tuning values for the flowbenches Flow and Pressure.
Orifice Position for each of the ten range settings (1-10). The SF-1020i has ten (10) flow ranges (see "Table 5-3. SF-1020i Nominal Flow Ranges" on page 17).
NOTICE Sensor Calibration parameters should not be modified unless instructed to do so under the direction of SuperFlow Service Technician and then done so by the administrator only. The Sensor Calibration section allows an operator (USER login) to zero the current pressure and flow readings and an administrator (SETUP login) to calibrate the flowbench sensors.
Page 32
5.0 Operation Test Pressure and/or Flow Pressure Calibration Steps: Calibration WARNING 1. Make sure there is no pressure source An abrupt change in pressure may result in damage connected to the pressure transducer being to the sensor being calibrated. Make certain that check and verify zero (0) pressure is being...
Page 33
5.0 Operation Allow Temp 1 Calibration: Allows an administrator to select if the calibration values of Temp 1 are on LOCK (selected in Figure 5.10) or UNLOCK. If UNLOCK is selected the calibration values can be changed. Temperature sensors are not calibrated channels/ sensors.
6.0 Maintenance 6.1 Maintenance Very little maintenance is required on the SF-1020i flowbench; however, it is important to keep the flowbench clean. Regular calibration is not necessary as long as you do not change or modify anything inside the flowbench, but some manufacturing users find that periodic calibration ensures product quality.
• Communication port malfunction on computer or control device TCP/IP network • Internal PLC malfunction—contact SuperFlow Customer Service • Check internal pressure transducer tubing. Ensure the hose has no kinks No Test Pressure or has not come off of the transducer connection port.
Page 36
The back vent is open is too much. • Disconnected or defective cable No communication • Modbus TCP/IP connection is not configured properly between flowbench • Communication port malfunction on computer and the computer • Internal PLC malfunction—contact SuperFlow Customer Service...
6.0 Maintenance 6.3 Flowbench Flow Tests If the flowbench does not seem to generate the correct flow rates, you can check the bench for problems using the following tests. No-flow Test The no-flow test is basically the same as a leakage test except it checks for leaks in the bench itself. 1.
Page 38
6.0 Maintenance Maximum Capacity Test WARNING Flowbench capacity can be affected by such factors as low line power, defective motor, a malfunctioning The motor on the flowbench runs motor controller, excessive leakage, and the local at full speed during this test. Wear elevation.
Page 39
This is the maximum flow capacity of the flowbench at 25 inH Example: If the Full Scale Range Value for Range 10 on your SF-1020i = 1000 and you measured a Flow Pressure of 14.0 in/H O at 25 inH O test pressure, then: Maximum Capacity = √14.0 ⁄...
6.0 Maintenance 6.4 Service WARNING 6.4.1 Blower Belt Replacement When working with electrical or electronic controls, make sure that The following steps were taken from the blower the power source has been locked manufacturers operation and maintenance manual. out and tagged out according to Refer to manual for detailed blower maintenance OSHA regulations and approved information.
6.0 Maintenance 6.4.2 Blower Motor Replacement WARNING 1. Remove power from the flowbench. When working with electrical or 2. Remove the front and side panels to gain electronic controls, make sure that access. the power source has been locked out and tagged out according to 3.
Page 42
6.0 Maintenance 24. Set the bushing to 1.266 ± .005 (32.2 mm) from the bushing flange to the bracket reference surface. Using the 5/16 inch allen socket and 242 Loctite, install the two bushing screws. Tighten the screws to the specified torque, over tightening may damage the bushing. 25.
6.0 Maintenance 6.4.3 Temperature Probe An air-temperature probe is provided in the SF-1020i flowbench for Intake Air Temperature. It is in the chamber under the test orifice baseplate. No maintenance is necessary for the probe; replace only if defective. Verify the probe by reading register 40012 Temperature1.
6.4.5 Optional Air Filter Maintenance Check Air Filter Assembly The optional SF-1020i filter assembly is designed to capture airborne contaminants that are part of the airstream during testing prior to entering the bench. These contaminants can be a nuisance as well as a hazard.
Page 45
6.0 Maintenance Air Filter Removal 1. Disconnect power from the flowbench. 2. Remove the 12 cap screws that secure the filter assembly to the top of the flowbench. 3. Remove the filter assembly from the flowbench by removing any fixtures from the assembly, and lift up on the baseplate from the inside the 13.0”...
Page 46
aning aning 6.0 Maintenance Air Filter Cleaning CAUTION To clean the air filters, follow the filter This maintenance procedure does not address the manufacturer's recommendations shown below. issue of potential fire or health hazards associated The filter requires approximately 4.42 fl. oz. of filter filters, follow the filter manufacturer's recommendations shown below.
Page 47
c cleaning solutions detergents ressure car wash 6.0 Maintenance cleaning solvents Rinse off the element with low water pressure (tap water 3. Rinse Off: Rinse off the element with low water pressure (tap water is okay). Always flush from the clean side (inside) to dirty Always flush from the clean side to dirty side.
6.0 Maintenance 6.5 Calibration The pressure channels in the PLC can be WARNING periodically calibrated for highest measurement accuracy. The temperature and optional frequency DO NOT try to recalibrate the sensors unless you have an accurate vacuum pressure source or channels do not require calibration.
Page 49
6.0 Maintenance Calibration WARNING 1. Make sure there is no pressure source An abrupt change in pressure may result in damage connected to the pressure transducer to the sensor being calibrated. Make certain that being check and read register (40047-48 the input pressure is set to zero before introducing TestPressureFloat 40049-50...
Page 50
6.0 Maintenance Barometric Pressure Calibration The barometric pressure sensor inside the Powerbox. The channel for Barometric Pressure Baro was calibrated at the factory before the flowbench Pressure was shipped. If desired, it can be calibrated to Transducer provide more accurate readings for the actual flowbench location.
For more advanced tests, it is possible to adjust and correct for all variations so test results may be compared to those of any other device, tested under any conditions, or tested on any other SuperFlow flowbench. Further calculations can be made to determine valve efficiency and various recommended port lengths and cam timing on a cylinder head.
Many of the OEMs have abandoned their in-house airflow benches to outsource much of their airflow development testing. As a result, some well-established shops using SuperFlow or other flowbenches around the country typically get involved in OEM development contracts because the programs are more cost and time effective.
The following describes how to correct flow numbers when a test pressure other than the calibration pressure is used. SuperFlow benches require this correction which amounts to about 1% error in flow when the test pressure varies considerably from the calibration pressure.
Page 55
7.0 Flowbench Theory Equation 2: flow X (P - TP - TP ambient The flowbench flow is calculated from the flow pressure (P ) with this formula, where FSF is the full-scale flow for the current flow range. Where P is the full-scale flow pressure—the pressure at which full-scale flow is reached.
7.0 Flowbench Theory 7.4 Predicting Pressure Drop To predict a pressure drop at flows outside the capacity of the flow bench do the following. 1. Record the actual test pressure and the actual flow rate. 2. Now you can predict what the test pressure (pressure drop) would be if you actually had the power to test at higher rates of flow as follows: Given: Pa Actual measured pressure drop...
7.5 Calculating Mass Flow with the SuperFlow Flowbench SuperFlow flow benches measure flow “as if you had tested at 60 F and at Sea Level, or 29.92 inches of mercury. We call this “Flow Bench Flow”. In order to estimate mass flow of air that is actually flowing through your part, we must first convert the Flow Bench Flow to ACFM.
7.0 Flowbench Theory 7.6 Air Density Correction and SuperFlow Flowbenches There is no air density correction required to adjust for different atmospheric conditions when testing. This is the concept that causes concern for many people. Doesn’t the flow through an orifice change with changing air density? Yes, it does.
Page 59
7.0 Flowbench Theory If we use the above equation, but consider the flow through two different orifices that are in series with each other, we get the following equation. Qm1 = 0.09970190 X C = 0.09970190 X C 1 - B 1 - B The mass flow through the first orifice must be equal to the mass flow through the second orifice or else mass is being accumulated somewhere (or there is leakage, but we will assume zero leakage for this...
8.0 Appendix 8.1 Default Settings For 1020i PLC Input the values in Table 8-1 below for default optimum flow and position values. Calibration should be performed after input, by adjusting OPVal when flowing calibrated plates. Table 8-1. Default Optimum Flow and Position Values Range OPVal Position...
8.0 Appendix 8.2 Unit Conversions Flow Rate vs. Test Pressure Conversions Table 8-4. Maximum Potential Orifice Flow Rate versus Test Pressure (English) Test Pressure (H Peak Velocity (ft./sec) Flow/Unit Area* (cfm/sq. in) 1” 66.2 27.6 3” 114.7 47.8 5” 148.0 61.7 7”...
Page 62
8.0 Appendix Table 8-5. Maximum Potential Orifice Flow Rate versus Test Pressure (Metric) Test Pressure (cm H Peak Velocity (m/s) Flow/Unit Area* (lps/sq. cm) 17.9 1.79 35.8 3.58 43.9 4.39 56.7 5.67 63.3 6.33 80.1 8.01 98.1 9.81 106.0 10.60 120.2 12.02 126.7...
Page 63
8.0 Appendix Flow Conversions Table 8-7. Flow Conversion Units Have Multiply By To Get Cubic feet per second (ft3/sec) 0.0283 Cubic meters per second (m3/sec) Cubic feet per second (ft3/sec) 28.32 Liters per second (l/s) Cubic feet per minute (ft3/min) 0.472 Liters per second (l/s) Cubic feet per minute (ft3/min)
Page 64
8.0 Appendix Power Conversions Table 8-10. Power Conversion Units Have Multiply By To Get Horsepower (hp) 0.746 Kilowatts (kW) Kilowatts (kW) 1.34 Horsepower (hp) Area Conversions Table 8-11. Area Conversion Units Have Multiply By To Get Square inches (sq.in.) 6.4516 Square centimeters (sq.cm) Square inches (sq.in.) 645.2...
8.0 Appendix 8.3 Suggested Additional References Books Gas Flow in the Internal Combustion Engine, W.J. Annand and G.E. Roe, Haessner Publishing, Inc., 1974 (ISBN: 0070377200). Haessner Publishing Co. (Search Engineering Library). How to Build and Modify Small Block Chevrolet Heads, David Vizard, HP Books, 1991 (ISBN-10: 0879385472, ISBN-13: 978-0879385477).
Page 66
8.0 Appendix 820410* A Study of Gas Exchange Process Simulation of an Automotive Multi-Cylinder Internal Combustion Engine, February 1982 by Masaaki Takizawa, Tatsuo Uno, Toshiaki Oue, Tadayoshi Yura. 820749* Valve Events and Engine Operation, 1982, by T. W. Asmus. 830151* Exhaust Valve Geometry and Its Effect on Gas Velocity and Turbulence in an Exhaust Port, 1983, by S.
Page 67
8.0 Appendix NOTE: Page left blank on purpose, could be used for notes.
8.0 Appendix 8.4 Drawings The following pages contain information specific to the SuperFlow equipment ordered. As specifications and part numbers change, these documents will be updated to reflect the equipment and requirements for your machine at the time of shipment. Contact your sales representative for further information.
Page 70
ITEM CUT LENGTH PART NUMBER DESCRIPTION THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF POWER TEST INC. ANY REPRODUCTION IN PART OR WHOLE WITHOUT THE WRITTEN PERMISSION OF POWER TEST INC. IS PROHIBITED. 1051786 ENCLOSURE MOD - FLOWBENCH - POWER BOX 1020i 1051787 PANEL MOD - FLOWBENCH - POWERBOX 1020i 8.000...
Page 71
THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF POWER TEST INC. ANY REPRODUCTION IN PART OR WHOLE WITHOUT THE WRITTEN PERMISSION OF POWER TEST INC. IS PROHIBITED. WHT 16AWG BLK 16AWG GRN 16AWG GREEN WHITE YELLOW YELLOW BLACK BLACK BLACK...
Page 72
ITEM PART NUMBER DESCRIPTION THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF POWER TEST INC. ANY REPRODUCTION IN PART OR WHOLE WITHOUT THE WRITTEN PERMISSION OF POWER TEST INC. IS PROHIBITED. 1044862 FRAME WELDMENT - 1020i 1045155 COVER PANEL KIT - 1020i 1045155-1 COVER PANEL KIT MATERIAL - 1020i...
Page 73
ITEM PART NUMBER DESCRIPTION THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF POWER TEST INC. ANY REPRODUCTION IN PART OR WHOLE WITHOUT THE WRITTEN PERMISSION OF POWER TEST INC. IS PROHIBITED. 1044991 PLENUM WELDMENT - 1020i 1044866 ORIFICE ASM - MOTORIZED - 10 SEC 558417 BTN HD SOC CAP SCR 10-24 X 3/4 S.S.
Page 74
THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF ITEM CUT LENGTH PART NUMBER DESCRIPTION POWER TEST INC. ANY REPRODUCTION IN PART OR WHOLE WITHOUT THE WRITTEN PERMISSION OF POWER TEST INC. IS PROHIBITED. SFF2400Z-1025 HOUSING, ORIFICE PLATE SFF2400Z-1024 PLATE, SLIDING ORIFICE REAR SFF9-28-.250-09B FHSCS, 8-32 X 1/4 PLTD SFF2430Z-1029 ORIFICE PLATE...
Page 75
ITEM CUT LENGTH PART NUMBER DESCRIPTION THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF POWER TEST INC. ANY REPRODUCTION IN PART OR WHOLE WITHOUT THE WRITTEN PERMISSION OF POWER TEST INC. IS PROHIBITED. 1055122 MUFFLER-SHEET METAL 1055474 KIT-1020I ACOUSTIC FOAM PANELS 1055493 GASKET-1020i MUFFLER...
Page 76
ITEM CUT LENGTH PART NUMBER DESCRIPTION THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF POWER TEST INC. ANY REPRODUCTION IN PART OR WHOLE WITHOUT THE WRITTEN PERMISSION OF POWER TEST INC. IS PROHIBITED. 1064838 E-STOP MOUNT PANEL 1020I FLOWBENCH 1064846 NAME TAG - E-STOP AND ENABLE PANEL 15214...
Page 77
THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF POWER TEST INC. ANY REPRODUCTION IN PART OR WHOLE WITHOUT THE WRITTEN PERMISSION OF POWER TEST INC. IS PROHIBITED. 380VAC PRIMARY - 24VAC SECONDARY LINE/SUPPLY (WIRING MUST CORRESPOND TO LABEL ON TRANSFORMER) 1020i E-STOP...
Page 78
THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF ITEM QTY. PART NUMBER DESCRIPTION POWER TEST INC. ANY REPRODUCTION IN PART OR WHOLE WITHOUT THE WRITTEN PERMISSION OF POWER TEST INC. IS PROHIBITED. 15237 COMMANDER PC SYSTEM VER 2.0 (NO MONITOR) 11907 MOUSE PAD (POWER TEST) C-00307...
8.0 Appendix 8.5 Additional Documents SuperFlow has provided the following additional documents with this manual. If these documents can not be located, please contact your technical service representative for further information. DOCUMENT DOCUMENT NAME MFG Blower Motor Manual Baldor Motor MN416A01.pdf MFG Blower Manual Operations_Manual_Sonic 150.pdf...
Page 80
N60 W22700 Silver Spring Drive • Sussex, WI 53089 USA Phone: 1 (262) 252-4301 • Fax: 1 (262) 246-0436 www.SuperFlow.com...
Need help?
Do you have a question about the SF-1020I and is the answer not in the manual?
Questions and answers