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Chemical Liquid Valve Non-Metallic Exterior, Air Operated, Insert Bushing Type Fitting Integrated, Space Saving
A integrated/space-saving insert bushing type connector for chemicals, with non-metal exterior that prevents liquid pooling.
[Features]
· A non-metal construction that joins the actuator to the body without using any metal screws.
· Special structure allows the valve to open and close slowly, preventing the formation of micro-bubbles.
· Can be used with liquid chemicals such as acids, alkalis and ultrapure water.
· Prevents seat surface misalignment and internal leakage.
· Prevents heavy impact to the valve and the generation of particles.
· Prevents diaphragm deformation and damage due to back pressure.
(i)Caution
- Webpages for products currently without individual pages on this site will be released on an ad-hoc basis.
- Refer to the manufacturer's catalog for specification and material details.
- Product images may be representative images. Refer to the manufacturer's catalog for shape details.
Chemical Valve With Non-Metallic Exterior, Insert Bushing Type Fitting, Integrated/Space-Saving Connector, LVQS Series Details
Chemical Valve With Non-Metallic Exterior, Insert Bushing Type Fitting, Integrated/Space-Saving Connector, LVQS Series product image
Chemical Valve With Non-Metallic Exterior, Insert Bushing Type Fitting, Integrated/Space-Saving Connector, LVQS Series Specifications
| Model | LVQ20S | LVQ30S | LVQ40S | |
|---|---|---|---|---|
| Connection Fitting Size | 2 | 3 | 4 | |
| Fitting type | In/out port | LQ1 or LQ2 | ||
| Pilot Port | LQ1 | |||
| Orifice Diameter | ø4 (orifice diameter: 4 mm) | ø8 (orifice diameter 8 mm) | ø10 (orifice diameter: 10 mm) | |
| Flow Rate Characteristics | Kv | 0.3 | 1.1 | 1.6 |
| Cv | 0.35 | 1.3 | 1.9 | |
| Pressure Resistance (MPa) | 1 | |||
| Pressure Used (Flow from A to B) | Standard | -98 kPa to +0.5 MPa*1 | ||
| High Temperature | -98 kPa to +0.3 MPa*1 | |||
| Back Pressure (MPa) | Standard | 0.3 or less | ||
| High Back Pressure | 0.42 or less | |||
| High Temperature | 0.3 or less | |||
| Valve Leakage Volume (cm³/min) | 0 (at water pressure) | |||
| Operating Pressure (MPa) | 0.3 to 0.5 (0.45 to 0.55 for high-back pressure specification) | |||
| Pilot Port Diameter | 1/8 in (ø3 [3 mm diameter]), ø4 (4 mm diameter), Rc 1/8, NPT 1/8 | |||
| Fluid Temperature Used (°C) | Standard | 0 to 100 | ||
| High Temperature | 0 to 170 | |||
| Ambient Temperature (°C) | 0 to 60 | |||
| Weight (kg) | 0.085 | 0.175 | 0.223 | |
- *1 Cannot be used for vacuum retention. Please note that using the B Port side as a vacuum can shorten the product's lifespan.
Model Number Notation
Model number example
(1) Body Class
| Notation | Body class | Orifice Diameter |
|---|---|---|
| 2 | 2 | ø4 (orifice diameter: 4 mm) |
| 3 | 3 | ø8 (orifice diameter 8 mm) |
| 4 | 4 | ø10 (orifice diameter 10 mm) |
(2) Valve Type
| 0 | N.C. |
|---|---|
| 1 | N.O. |
| 2 | Double acting |
(3) Body Type
| S | Space-saving connector |
|---|
(4) Fitting Type
| Notation | Fitting type | Body class |
|---|---|---|
| V | LQ1 | 2/3/4 |
| S | LQ2 | 2/3/4 |
- *Insert bushings fit all models.
(5) Compatible Fitting Size
| Notation | Fitting Size | Body class | ||
|---|---|---|---|---|
| 2 | 3 | 4 | ||
| 07 | 2 | ○ | - | - |
| 11 | 3 | - | ○ | - |
| 13 | 4 | - | - | ○ |
- *Please select an item that is the same size as the fitting on the valve side.
(6) Pilot Port Type
| No notation | LQ1 integrated fitting | Connection Tube Size 1/8 in × 0.086 in (3 × 2) |
|---|---|---|
| M | LQ1 integrated fitting | Connection Tube Size 4 × 3 |
| R | Screw-in | Rc 1/8 |
| N | Screw-in | NPT 1/8 |
(7) Pilot Port Direction
| Notation | Direction |
|---|---|
| No notation | (1) |
Pilot port piping direction
Pilot port piping direction
- *Please do not change the direction of the pilot port
(8) Option 1
| No notation | None |
|---|---|
| 1 | With flow rate control |
| 2 | With bypass |
| 3 | With flow rate control and bypass |
| 4 | With indicator |
| 5 | High back pressure (0.42 MPa) |
| 6 | With high back pressure and flow rate control |
| 9 | With high back pressure and indicator |
- *Items in Option 1 cannot be combined with each other.
(9) Option 2
| Notation | Compatible Options | Note | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 24 | ||
| No notation | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | - |
| J | ○ | - | - | - | - | - | - | - | - | - | For high temperatures |
| N | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | For ammonium hydroxide |
- *Items in Option 2 cannot be combined with each other.
Example Diagram
Basic type, N. C. type, diagram
Component Parts
| Number | Part Name | Material |
|---|---|---|
| 1 | Actuator | PVDF |
| 2 | Body class | PFA |
| 3 | Diaphragm | PTFE |
| 4 | Insert bushing | PFA |
| 5 | Nut | PFA |
Chemical Valve With Non-Metallic Exterior, Insert Bushing Type Fitting, Integrated/Space-Saving Connector, LVQS Series Example Dimensions
(Unit: mm)
Basic type, high back pressure, N.C. Valve dimensional drawing
LVQ□0S-□-V / LVQ□0S-□-S Dimensions Table (N.C. Valve)
| Model | A | B | C | D | E | F | G | H | J | K | L | M | N | P | Q | R | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| V□ | S□ | ||||||||||||||||
| LVQ20S-V07 LVQ20S-S07 | 25.5 | 46 | 31.5 | 58 | 33.6 | 56.5 | 12 | 89 | 92 | 21.8 | 37 | 5 | 7 | 15 | 31.3 | 21 | 25.3 |
| LVQ30S-V11 LVQ30S-S11 | 28.5 | 57 | 34.5 | 69 | 45.4 | 77 | 16.5 | 106 | 112 | 32 | 50 | 6 | 7 | 20 | 37.2 | 25 | 31.2 |
| LVQ40S-V13 LVQ40S-S13 | 28.5 | 57 | 34.5 | 69 | 45.4 | 82.5 | 22 | 120 | 126 | 37.5 | 55.5 | 6 | 7 | 20 | 37.2 | 25 | 31.2 |
- *LVQ60 is "V" only.
| Part Number |
|---|
| LVQ20S-V07M-1 |
| LVQ20S-V07M-1-J |
| LVQ20S-V07M-J |
| LVQ50S-S19-1 |
| LVQ50S-S19-4 |
| LVQ50S-S19N-4 |
| LVQ50S-S19R-1 |
| LVQ50S-V19R-1 |
| LVQ51S-V19M |
| LVQ60S-S25-5 |
| LVQ60S-V25N-1 |
| LVQ61S-V25N |
| LVQ61S-V25R |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Body class | Valve type | Fitting type | Compatible sizes | Pilot port type | Option (1) | Option (2) | Orifice diameter (ø) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
- | 1 Piece(s) | Quote | 2 | N.C. | LQ1 | Fitting: 2 | LQ1 integrated fitting, connection tube size 4 × 3 | With flow rate control | None | 4 | ||
- | 1 Piece(s) | Quote | 2 | N.C. | LQ1 | Fitting: 2 | LQ1 integrated fitting, connection tube size 4 × 3 | With flow rate control | For high temperatures | 4 | ||
- | 1 Piece(s) | Quote | 2 | N.C. | LQ1 | Fitting: 2 | LQ1 integrated fitting, connection tube size 4 × 3 | None | For high temperatures | 4 | ||
- | 1 Piece(s) | Quote | 5 | N.C. | LQ2 | Fitting: 5 | LQ1 fitting integrated / connection tube size 1/8 "× 0.086" (3 × 2) | With flow rate control | None | 16 | ||
- | 1 Piece(s) | Quote | 5 | N.C. | LQ2 | Fitting: 5 | LQ1 fitting integrated / connection tube size 1/8 "× 0.086" (3 × 2) | With indicator | None | 16 | ||
- | 1 Piece(s) | Quote | 5 | N.C. | LQ2 | Fitting: 5 | Screw-in / NPT 1/8 | With indicator | None | 16 | ||
- | 1 Piece(s) | Quote | 5 | N.C. | LQ2 | Fitting: 5 | Screw-in / Rc1/8 | With flow rate control | None | 16 | ||
- | 1 Piece(s) | Quote | 5 | N.C. | LQ1 | Fitting: 5 | Screw-in / Rc1/8 | With flow rate control | None | 16 | ||
- | 1 Piece(s) | Quote | 5 | N.O. | LQ1 | Fitting: 5 | LQ1 integrated fitting, connection tube size 4 × 3 | None | None | 16 | ||
- | 1 Piece(s) | Quote | 6 | N.C. | LQ2 | Fitting: 6 | LQ1 fitting integrated / connection tube size 1/8 "× 0.086" (3 × 2) | High back pressure (0.42 MPa) | None | 22 | ||
- | 1 Piece(s) | Quote | 6 | N.C. | LQ1 | Fitting: 6 | Screw-in / NPT 1/8 | With flow rate control | None | 22 | ||
- | 1 Piece(s) | Quote | 6 | N.O. | LQ1 | Fitting: 6 | Screw-in / NPT 1/8 | None | None | 22 | ||
- | 1 Piece(s) | Quote | 6 | N.O. | LQ1 | Fitting: 6 | Screw-in / Rc1/8 | None | None | 22 |
Loading...
Basic Information
| Pilot port direction | 1 |
|---|
Specification/Dimensions
-
Body class
- 2
- 5
- 6
-
Valve type
- N.C.
- N.O.
-
Fitting type
- LQ1
- LQ2
-
Compatible sizes
- Fitting: 2
- Fitting: 5
- Fitting: 6
-
Pilot port type
- LQ1 fitting integrated / connection tube size 1/8 "× 0.086" (3 × 2)
- LQ1 integrated fitting, connection tube size 4 × 3
- Screw-in / NPT 1/8
- Screw-in / Rc1/8
-
Option (1)
- High back pressure (0.42 MPa)
- None
- With flow rate control
- With indicator
-
Option (2)
- For high temperatures
- None
-
type
- LVQ20S
- LVQ50S
- LVQ51S
- LVQ60S
- LVQ61S
Specify Alterations
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
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