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HFS Series
HITROL CO., LTD.
HEAD OFFICE.FACTORY.R&D INSTITUDE
HITROL CO., LTD. 141, Palhakgol-gil, Jori-eup
Paju-si, Gyeonggi-do, Korea
TEL. : (00)-82-31-950-9700
FAX. : (00)-82-31-943-5600
www.hitrol.com
INSTRUCTION MANUAL
PADDLE TYPE FLOW SWITCH
HFS Series
Doc. no. : HFS_IM_Eng_Rev. 0.3
Issued date : 2024. 03
HITROL CO., LTD.
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Summary of Contents for HITROL HFS Series
- Page 1 HFS Series HITROL CO., LTD. HEAD OFFICE.FACTORY.R&D INSTITUDE HITROL CO., LTD. 141, Palhakgol-gil, Jori-eup Paju-si, Gyeonggi-do, Korea TEL. : (00)-82-31-950-9700 FAX. : (00)-82-31-943-5600 www.hitrol.com INSTRUCTION MANUAL PADDLE TYPE FLOW SWITCH HFS Series Doc. no. : HFS_IM_Eng_Rev. 0.3 Issued date : 2024. 03...
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Page 2: Table Of Contents
HFS Series Table of Contents Warranty and Contact……………………..……11 Overview……………………………………………….3 Operating Principle and Composition………3 Characteristic…………………………………………3 Specification………………………………………….4 Dimension…………………………………………….5 Wiring Method……………………………………...6 Paddle Standard Table……………………………6 Flow Characteristic Table………………………..7 Precaution for Installation……………………...8 Maintenance……………………………………..9 Precaution for Separation………………………9 Precaution for Inserted External Wire……..9 Precaution for Grounding………………………9 Matters on Safety and Environment………10 Marking…………………..………………………….10... -
Page 3: Overview
HFS Series Overview HFS Series is a paddle type flow switch managing of piping systems by sensing of whether fluid is present in the piping line or not to control pump and motor, etc. Operating When the fluid in the pipe line pushes the paddle, the angle of shaft attached to the paddle is... -
Page 4: Specification
HFS Series Specification Weather-Proof Model HFS-2T HFS-2S Installation Insertion Inline Type Screw (Std.) or Flange Ambient Temperature -20˚C ~ +60˚C Process Pressure Up to 20kg/cm Process Temperature PBT Housing : Max. 80˚C / AL.C Housing : Max. 120˚C Enclosure Weather-Proof (PBT: IP65 / AL.C : IP66) -
Page 5: Dimension
HFS Series Dimension Weather-Proof HFS-2T HFS-2S Screw Type Flange Type Screw Type Flange Type Explosion-Proof HFS-2T-Ex HFS-2S-Ex Screw Type Flange Type Screw Type Flange Type Actual product may have a tolerance slightly. * Face to Face Length (mm) Process Connection... -
Page 6: Wiring Method
5, 6, 7, 8 6” 6, 7, 8, 9 Please contact to Hitrol in case of non-standard. (Height of the nozzle on the pipe should be provided) Paddle can be used after cutting as per the site condition. ■ HFS-2S... -
Page 7: Flow Characteristic Table
HFS Series Flow following table shows minimum flow rate values measured experiments as per pipe line size. Characteristic ■ HFS-2T Table LPM (±10%) Setting Velocity for Flow Line Size “ON” (m/s) 1” 0.53 1-1/4” 0.54 1-1/2” 0.55 0.27 2-1/2” 0.35 3”... -
Page 8: Precaution For Installation
HFS Series Precaution - Install the product to match the flow direction marked on the product housing. - Be careful to prevent the paddle from coming into contact with the bottom of the pipe. (Information on the height of pipe nozzle should be provided to select a suitable paddle accurately. -
Page 9: Maintenance
HFS Series Maintenance The lifespan of the main parts depends on the user’s environment and can be used optimally through periodic inspection. Therefore, the used should maintain it through periodic inspection at least once a year. When maintenance, checkup should be carried out after power is completely cutting off. -
Page 10: Matters On Safety And Environment
HFS Series Matters on ■ Precaution for use - When fastening the product the piping, make sure to use tools to ensure maximum fastening. Safety and - Do not apply excessive impact to the product. Environment - The user should judge the Ex-Proof area of the relevant product and use the suitable product. -
Page 11: Matters On User Education
■ Head office · Factory · Laboratory Contact Number Address: HITROL CO., LTD. 141, Palhakgol-gil, Jori-eup, Paju-si, Gyeonggi-do, Korea TEL. : 031-950-9700 (head office and A/S) FAX : 031-943-5600 (head office and A/S)
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