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SMC Networks LVQ Series Operation Manual

External non-metal type chemical air operate valve
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Doc. no. LVQ****-OMM0001-A
NN69067000
PRODUCT NAME
EXTERNAL NON-METAL TYPE
CHEMICAL AIR OPERATE VALVE
MODEL / Series / Product Number
LVQ Series

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Summary of Contents for SMC Networks LVQ Series

  • Page 1 Doc. no. LVQ****-OMM0001-A NN69067000 PRODUCT NAME EXTERNAL NON-METAL TYPE CHEMICAL AIR OPERATE VALVE MODEL / Series / Product Number LVQ Series...
  • Page 2 Contents 1. Safety Instructions 2. Precautions P3~4 3. LVQ Series How to Order and Specifications P5~26 4. Applicable Fluids 5. Fittings and Special Tools 6. Failure and countermeasures...

  • Page 3: Safety Instructions

    These safety instructions are intended to prevent hazardous situations and/or Safety Instructions equipment damage. These instructions indicate the level of potential hazard with the labels of “Caution,” “Warning” or “Danger.” They are all important notes for safety and must be followed in addition to International Standards (ISO/IEC) and other safety regulations.
  • Page 4 Series Air Operated Chemical Liquid Valve/Precautions 1 Be sure to read this before handling the products. Design / Selection Piping Warning Caution 1. Confirm the specifications. 1. Preparation before piping Give careful consideration to operating conditions such as the Before piping is connected, it should be thoroughly blown out application, fluid and environment, and use within the operat- with air (flushing) or washed to remove chips, cutting oil and ing ranges specified in this catalog.
  • Page 5 Series Air Operated Chemical Liquid Valve/Precautions 2 Be sure to read this before handling the products. Maintenance Use of Tubing Caution Caution 1. Refer to the applicable tubing sizes shown 1. Removal of drainage below for tubing to be used. Flush drainage from filters regularly.

  • Page 6: How To Order

    Air Operated Insert Bushing, Integrated Fitting Type Hyper Fitting Series RoHS How to Order LVQ 2 0 S 07 Body class Valve type Fitting type Symbol Body class Orifice dia. N.C. Symbol Fitting type Body class ø4 N.O. 2, 3, 4, 5, 6 ø8 Double acting 2, 3, 4, 5...
  • Page 7 Air Operated Series Insert Bushing, Integrated Fitting Type Option 1 Option 2 None Applicable option Symbol Note With flow rate adjustment With by-pass — With flow rate adjustment & by-pass — — — — — — — — — For high temperature With indicator Buffer material FFKM High back pressure (0.42 MPa)

  • Page 8: Standard Specifications

    Air Operated Series Insert Bushing, Integrated Fitting Type Standard Specifications LVQ20 LVQ30 LVQ40 LVQ50 LVQ60 Model Metric Tubing O.D. Note 1) Inch IN/OUT port LQ1 or LQ2 Fitting type Pilot port Orifice diameter ø4 ø8 ø10 ø16 ø22 Note 2) 6.8 (8.1) Flow rate characteristics...
  • Page 9 Space Saving/Space Saving Connection LVQS Series RoHS The LQ2 insert/integrated fitting type space-saving fitting for the LVQ series high-purity chemical liquid valve is to be discontinued as of March 2025. Select the LQ1 fitting instead. How to Order LVQ 2 0 S 07...
  • Page 10 Air Operated LVQS Series Insert Bushing, Integrated Fitting Type Option 1 Option 2 None Applicable option Symbol Note With flow rate adjustment With by-pass — With flow rate adjustment & by-pass — — — — — — — — — For high temperature With indicator Buffer material FFKM High back pressure (0.42 MPa)
  • Page 11 Air Operated LVQS Series Insert Bushing, Integrated Fitting Type How to Order Space Saving Fittings Note 1) Note 2) Applicable tubing size Applicable Applicable Size Reducing Size Symbol Reducing tubing size (mm) tubing size (inch) 6 x 4 1/4" x 5/32" 4 x 3 3/16"...

  • Page 12: Specific Product Precautions

    LVQS Series Standard Specifications LVQ20S LVQ30S LVQ40S LVQ50S LVQ60S Model Connection fitting size IN/OUT port LQ1 or LQ2 Fitting type Pilot port ø4 ø8 ø10 ø16 ø22 Orifice diameter Note 1) 6.8 (8.1) Flow rate characteristics Note 1) 0.35 8 (9.5) Withstand pressure (MPa) Standard Note 3)
  • Page 13 Air Operated Flare, Integrated Fitting Type Hyper Fitting LVQ-Z Series RoHS How to Order LVQ 2 0 LQ3 integrated fitting Note) Body class Valve type Applicable tubing size Symbol Body class Orifice dia. N.C. Body class Connection tubing Symbol size ø4 N.O.
  • Page 14 Air Operated LVQ-Z Series Flare, Integrated Fitting Type Option 1 Option 2 None Applicable option Symbol Note With flow rate adjustment With by-pass — With flow rate adjustment & by-pass — — — — — — — — — For high temperature With indicator Buffer material FFKM High back pressure (0.42 MPa)
  • Page 15 LVQ-Z Series Standard Specifications LVQ20 LVQ30 LVQ40 LVQ50 LVQ60 Model Metric Note 1) Tubing O.D. Inch Orifice diameter ø4 ø8 ø10 ø16 ø22 Note 2) 6.8 (8.1) Flow rate characteristics Note 2) 0.35 8 (9.5) Withstand pressure (MPa) Note 3) Note 3) Standard –98 kPa to 0.5 MPa...
  • Page 16 Air Operated Flare, Integrated Fitting Type Space Saving/Space Saving Connection LVQS-Z Series RoHS How to Order LVQ 2 0 LQ3 integrated fitting Body class Valve type Body type Symbol Body class Orifice dia. N.C. Space saving connection ø4 N.O. ø8 Double acting ø10 Note) For valve type combinations, refer to...
  • Page 17 Air Operated LVQS-Z Series Flare, Integrated Fitting Type Option 1 Option 2 None Applicable option Symbol Note With flow rate adjustment With by-pass — With flow rate adjustment & by-pass — — — — — — — — — For high temperature With indicator Buffer material FFKM High back pressure (0.42 MPa)
  • Page 18 LVQS-Z Series How to Order Space Saving Fittings Packaging Symbol Packaging Clean packaging equivalent to Class M3.5 Standard packaging equivalent to Class M5.5 Fitting type One of the nuts is not attached. Union elbow Union tee Applicable tubing size Note 1) Note 2) Applicable tubing size (mm) Applicable tubing size (inch) Size...
  • Page 19 Air Operated LVQS-Z Series Flare, Integrated Fitting Type Standard Specifications LVQ50S LVQ20S LVQ30S LVQ40S LVQ60S Model Connection fitting size Orifice diameter ø4 ø8 ø10 ø16 ø22 Note 1) 6.8 (8.1) Flow rate characteristics Note 1) 0.35 8 (9.5) Withstand pressure (MPa) Standard Note 3) Note 3)
  • Page 20 Air Operated Tube Extension Type LVQ-T Series RoHS How to Order LVQ 2 0 Tube extension Body class Valve type Applicable tubing size Symbol Body class Orifice dia. N.C. Body class Connection tubing Symbol O.D. ø4 N.O. ø8 Double acting Metric size ø10 ø6...
  • Page 21 Air Operated LVQ-T Series Tube Extension Type Option 1 Option 2 None Applicable option Symbol Note With flow rate adjustment With by-pass — With flow rate adjustment & by-pass — — — — — — — — For high temperature With indicator Buffer material FFKM High back pressure (0.42 MPa)
  • Page 22 LVQ-T Series Standard Specifications LVQ20 LVQ30 LVQ40 LVQ50 LVQ60 Model Metric Tubing O.D. Inch Orifice diameter ø4 ø8 ø10 ø16 ø22 Note 1) 6.8 (8.1) Flow rate characteristics Note 1) 8 (9.5) 0.35 Withstand pressure (MPa) Note 2) Note 2) Standard –...
  • Page 23 Air Operated, 0.5 MPa Back Pressure Tolerant Insert Bushing, Integrated Fitting Type Hyper Fitting Series RoHS How to Order S 07 Body class Valve type Fitting type Symbol Body class Orifice dia. N.C. Symbol Fitting type Body class ø4 N.O. 2, 3, 4, 5, 6 ø8 Double acting...
  • Page 24 Air Operated, 0.5 MPa Back Pressure Tolerant Series Insert Bushing, Integrated Fitting Type Option 1 Option 2 None Applicable option Symbol Note With flow rate adjustment With by-pass — With flow rate adjustment & by-pass Buffer material FFKM With indicator With indicator &...
  • Page 25 Air Operated, 0.5 MPa Back Pressure Tolerant Flare, Integrated Fitting Type Hyper Fitting Series RoHS How to Order LQ3 integrated fitting Note) Body class Valve type Applicable tubing size Symbol Body class Orifice dia. N.C. Body class Connection tubing Symbol size ø4 N.O.
  • Page 26 Air Operated, 0.5 MPa Back Pressure Tolerant Series Insert Bushing, Integrated Fitting Type Option 1 Option 2 None Applicable option Symbol Note With flow rate adjustment With by-pass — With flow rate adjustment & by-pass Buffer material FFKM With indicator With indicator &...

  • Page 27: Specifications

    Air Operated, 0.5 MPa Back Pressure Tolerant Series Flare, Integrated Fitting Type Specifications LVQ20H LVQ30H LVQ40H LVQ50H LVQ60H Model Metric Note 1) Tubing O.D. Inch Orifice diameter ø4 ø8 ø10 ø16 ø22 Note 1) 6.8 (8.1) Flow rate characteristics Note 1) 0.35 8 (9.5) Withstand pressure (MPa)
  • Page 28 Series Applicable Fluids Material and Fluid Compatibility Check List for Air Operated Chemical Valves Chemical Compatibility Note 1, 2) Acetone Note 2) Ammonium hydroxide Note 1, 2) Isobutyl alcohol Note 1, 2) Isopropyl alcohol Hydrochloric acid Ozone (dry) Hydrogen peroxide Concentration 5% or less, 50 C or less Note 1, 2) Ethyl acetate...
  • Page 29 Series Fittings and Special Tools Fittings How to Change Tubing Sizes The tubing size can be changed within the same body class (body size) by replacing the nut and insert bushing. Parts Composition Connection tubing O.D. Component parts Body Metric size Inch size Insert Collar (Insert assembly)
  • Page 31 Revision history A: Newly created due to changes to safety instructions. Tel: + 81 3 5207 8249 Fax: +81 3 5298 5362 https://www.smcworld.com Note: Specifications are subject to change without prior notice and any obligation on the part of the manufacturer. ©...

This manual is also suitable for:

Lvq20Lvq30Lvq40Lvq50Lvq60

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