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LVQ series catalog
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Catalog excerpts

LVQ series catalog - 1

High Purity Chemical Valve Non-Metallic Exterior Series LVQ Constructed without screws screws : Ne w Body : Body : ragm : agm Diiaph r D aph n ion:: sectio torr se ct c ua Acttua to A Non-metallic construction without using metal screws to fasten the body of the actuator. Actuator section Body section Space Saving Type Integral fitting construction Hyper fitting/ Series LQ1, LQ2 LQ3 is used. Piping from 8 directions are possible. Pilot port Integral fitting construction Hyper fitting/Series LQ1, LQ3 is used. Can select female thread. Piping example

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LVQ series catalog - 2

Integral Fitting and Flare Integral Fitting Types Available Types Available Available Integral Fitting Type Series LVQ-V/LVQ-S Hyper Fittings Series LQ1 (Series LVQ-V ) Series LQ2 (Series LVQ-S ) • Insert bushing • Quadruple sealing Flare Integral Fitting Type Series LVQ-Z Hyper Fittings Flare Type Series LQ3 • Flared grip • Triple sealing Manual Type Manual Type 2 Types of Handle Operation Selectable Types Selectable 90 Degree Turn Type Multi-Turn Type Ȝ Allows quick switching between valve open/close. Valve open Valve closed Ȝ Prevents handle from idle turning at the final valve...

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LVQ series catalog - 3

Guide ring Eliminates lateral motion of the poppet which reduces internal leakage. Piston damper Absorbs piston momentum to minimize impact-induced particle generation. Diaphragm (PTFE) Protects diaphragm from deformation and damage due to back pressure. Special diaphragm construction ensures gentle opening and closing that prevents the formation of micro-bubbles. Integral fittings construction LQ1 Minimal residual liquid Offers quadruple seal construction. Nut lock mechanism—no additional tightening required. High flexural strength. Different tubing sizes can be selected. Residual liquid...

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LVQ series catalog - 4

Variations Integral Fitting Type Series LVQ/LVQH Applicable tubing O.D. Flow Orifice dia. characteristics Av x 10–6m2(Cv) Series LVQ Series LVQH Metric sizes Inch sizes Basic size Integral Fitting Type Space saving/space saving connection Series LVQS/LVQHS Flow Orifice dia. characteristics Av x 10–6m2(Cv) Series LVQS Series LVQHS Flare Integral Fitting Type Series LVQH-Z LVQ-Z/LVQH-Z Applicable tubing O.D. Series Series LVQ-T Inch sizes Metric sizes LVQS-Z/LVQHS-Z Fitting size Flow Orifice dia. characteristics Av x 10–6m2(Cv) ø4 Tube Extension Fitting Type Flow Orifice dia. characteristics...

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LVQ series catalog - 5

INDEX Air Operated Type Integral Fitting Type Hyper Fittings Series LVQ Integral Fitting Type Air Operated Type Integral Fitting Type Space Saving/Space Saving Connection Series LVQS Manual Type Integral Fitting Type Hyper Fittings Series LVQH Manual Type Integral Fitting Type Space Saving/Space Saving Connection Series LVQHS Fittings and Special Tools Air Operated Type Flare Integral Fitting Type Hyper Fittings Series LVQ-Z Flare Integral Fitting Type Air Operated Type Flare Integral Fitting Type Space Saving/Space Saving Connection Series LVQS-Z Manual Type Flare Integral Fitting Type...

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LVQ series catalog - 6

Air Operated Type Tube Extension Fitting Type Series LVQ-T Manual Type Tube Extension Fitting Type Series LVQH-T Integral Fitting Type Flare Integral Fitting Type Tube Extension Fitting Type Air Operated Type for Back Pressure 0.5 MPa Flare Integral Fitting Type Hyper Fittings Series LVQ २२H-Z Air Operated Type for Back Pressure 0.5 MPa Integral Fitting Type Hyper Fittings Series LVQ २२H Applicable Fluids High Purity Chemical Valve Non-Metallic Exterior Specific Product Precautions

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LVQ series catalog - 7

Air Operated Type Integral Fitting Type (Hyper Fittings) Body class Pilot port thread type Nil M R N LQ1 integral fitting Connection tubing O.D. 1/8" (ø3) LQ1 integral fitting Connection tubing O.D. ø4 Rc 1/8 Threaded NP T1/8 Threaded Note 24 — Ț — For high temperature Ț Buffer material FFKM Ț For ammonium hydroxide High flow spec. — — — Ț Ț — — — — — LVQ6२ only 1 Ț Ț Ț Ț Note) Options (2) cannot be combined with each other. N.C. N.O. Double acting Note) Refer to variations in the table below for valve type combinations. 1 With flow rate adjustment 2 With bypass 3 With flow rate adjustment...

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LVQ series catalog - 8

Air Operated Type Integral Fitting Type Standard Specifications Model Metric size Tubing O.D. Inch size IN/OUT port Fitting type Pilot port Orifice diameter Av x 10-6m2 Flow characteristics Cv Withstand pressure (MPa) Operating pressure Standard High temperature Standard Back pressure High back pressure (MPa) High LVQ20 LVQ30 LVQ40 LVQ50 LVQ60 6 1/4 10 12 19 25 3/8 1/2 3/4 1 LQ1 or LQ2 LQ1 LQ1 ø4 ø8 ø10 ø16 ø22 8.4 31.2 45.6 120 192(228) Note) 0.35 1.3 1.9 5 8(9.5) Note) 1 –98 kPa to 0.5 MPa –98 kPa to 0.4 MPa –98 kPa to 0.3 MPa 0.3 or less 0.2 or less 0.42 0.3 or less 0.2 or less 0 (With...

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LVQ series catalog - 9

Series LVQ Construction Basic type N.C. type Double acting type With reducer With flow rate adjustment With bypass With indicator Actuator section Insert bushing Flow rate adjuster section Indicator, cover

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LVQ series catalog - 10

Air Operated Type Integral Fitting Type Dimensions Basic type, High back pressure spec. N.C. valve Rc 1/8 (NPT 1/8) Sensor (breathing) port LQ1 integral fitting 1/8 (ø3), (ø4) Pilot port Pilot port Rc 1/8 (NPT 1/8) Threaded type

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LVQ series catalog - 11

Series LVQ Dimensions With flow rate adjustment, High back pressure spec. with flow rate adjustment N.C. valve With bypass, High back pressure spec. with bypass N.C. valve

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LVQ series catalog - 12

Air Operated Type Integral Fitting Type With flow rate adjustment & bypass High back pressure spec. with flow rate adjustment & bypass N.C. valve With indicator, High back pressure spec. with indicator N.C. valve Dimensions

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LVQ series catalog - 13

Basic type N.O. valve LQ1 integral fitting 1/8 (ø3), (ø4) Pilot port Rc 1/8 (NPT 1/8) Sensor (breathing) port Pilot port Rc 1/8 (NPT 1/8) Threaded type Double acting valve P LQ1 integral fitting 1/8 (ø3), (ø4) Pilot port Rc 1/8 (NPT 1/8) Pilot port R LQ1 integral fitting 1/8 (ø3), (ø4) Pilot port Rc 1/8 (NPT 1/8) Sensor (breathing) port LVQǢ 1 - V Ǣ Dimensions (N.O. valve, double acting valve) 2 S Model

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