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An air operated valve made by SMC.
[Features]
· Guide ring prevents internal leakage
· Diaphragm (PTFE) prevents formation of micro-bubbles
· Prevents residual liquid
· Body with outstanding corrosion resistance (New PFA)
LVA Series: basic type external appearance
LVA Series: LVA-Z (pilot port: 1/8) external appearance
LVA Series: flow rate adjustment equipped external appearance
Model | LVA10 | LVA20 | LVA30 | LVA40 | LVA50 | LVA60 | |
---|---|---|---|---|---|---|---|
Orifice Diameter | ø2 mm | ø4 mm | ø8 mm | ø12 mm | ø20 mm | ø22 mm | |
Piping Connection Port Diameter | 1/8, 1/4 | 1/8, 1/4 | 1/4, 3/8 | 3/8 / 1/2 | 1/2 / 3/4 | 1 | |
Flow Rate Characteristics | Kv | 0.06 | 0.3 | 1.4 | 2.8 | 5.1 | 6.8 |
Cv | 0.07 | 0.35 | 1.7 | 3.3 | 6 | 8 | |
Withstand Pressure (MPa) | 1 | ||||||
Operating Pressure (MPa) | A → B | 0 to 0.5 | (-94 kPa)*3 0 to 0.5 | (-94 kPa)*3 0 to 0.4 | |||
B → A | 0 to 0.05 | (-94kPa)*3 0 to 0.2 | (-94kPa)*3 0 to 0.1 | ||||
Back Pressure (MPa) | N.C./N.O*2 | 0.15 or less | 0.3 or less | 0.2 or less | |||
Double Acting | 0.3 or less | 0.4 or less | 0.3 or less | ||||
Valve Leakage Rate (cm3/min) | 0 (with hydraulic pressure) | ||||||
Pilot Operation Pressure (MPa) | 0.3 to 0.5 | ||||||
Pilot Port Diameter | Standard | M5 | M5*4 | Rc 1/8, NPT 1/8, G 1/8 | |||
-Z Type*5 | - | Rc 1/8, NPT 1/8, G 1/8 | - | ||||
Fluid Temperature (°C) | 0 to 100*1 | ||||||
Ambient Temperature (°C) | 0 to 60 | ||||||
Weight (kg) | SUS | 0.12 | 0.18 | 0.44 | 0.86 | 1.67 | 1.96 |
PPS | 0.05 | 0.08 | 0.18 | 0.32 | 0.73 | - | |
PFA | 0.05 | 0.09 | 0.20 | 0.35 | 0.78 | 0.90 |
*1: 0 to 60°C when diaphragm is NBR/EPDM.
*2: N.O. type not available for LVA10.
*3: If using with a vacuum, select products with a product number ending in -V. Cannot be used for vacuum retention. Moreover, using the B port side as the vacuum source may shorten the product lifespan.
*4: Applicable to LVC21 (N.O.) and LVC22 (double acting) types.
*5: Applicable to LVC20 (N.C.) -Z type.
LVA20 dimensional drawing
LVA1□/LVA21/LVA22/LVA3□ to 6□ dimensional drawing
(Units: mm)
Model | A | B | C | E | F | G | H | K | L | N | O | P | Q | R | T |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
LVA1□ | 20 | 33 | 49.5 | 10 | M5 × 0.8 × 4 | 27.5 | 11 | - | 13 | 27.5 | - | Rc 1/8, 1/4 NPT 1/8, 1/4 G 1/8, 1/4 * | M5 × 0.8 | ø4.2 mm | - |
LVA20 | 30 | 33 | 54.2 | 10 | M5× 0.8 × 5 | 31.5 | - | 22 | 22 | 26.5 | 14.8 | Rc 1/8 NPT 1/8 G 1/8 * | ø2.4 mm | 20 | |
LVA21 LVA22 | 30 | 33 | 57 | 10 | M5× 0.8 × 5 | 31 | 13 | 22 | 22 | 26 | - | M5 × 0.8 | M3 × 0.5 | - | |
LVA3□ | 36 | 47 | 78.6 | 13 | M6 × 1.0 × 8 | 42.5 | 17.5 | 37 | 26 | 38.5 | - | Rc 1/4, 3/8 NPT 1/4, 3/8 G 1/4, 3/8* | Rc 1/8 NPT 1/8 G 1/8 * | Rc 1/8 NPT 1/8 G 1/8 * | - |
LVA4□ | 46 | 60 | 95.4 | 16 | M8 × 1.25 × 10 | 54.5 | 18 | 47.5 | 33.5 | 47.5 | - | Rc 3/8, 1/2 NPT 3/8, 1/2 G 3/8, 1/2* | - | ||
LVA5□ | 58 | 75 | 122.5 | 19 | M8 × 1.25 × 10 | 61.5 | 27.5 | 60 | 43 | 55.5 | - | Rc 1/2, 3/4 NPT 1/2, 3/4 G 1/2, 3/4* | - | ||
LVA6□ | 58 | 85 | 129.8 | 24 | M8 × 1.25 × 10 | 68.8 | 27.5 | 60 | 43 | 62.8 | - | Rc 1 NPT1 G1 * | - |
*Refer to the SMC catalog regarding G thread / thread depth.
With flow rate adjustment: LVA20 dimensional drawing
With indicator: LVA20 dimensional drawing
Standard type: N.C. type diagram
With flow rate adjustment type diagram
With indicator type diagram
Number | Part Name | Material | Option |
---|---|---|---|
1 | Actuator Section | PPS | PVDF |
2 | Body | SUS | - |
PPS | |||
PFA | |||
3 | Diaphragm | PTFE | - |
NBR | |||
EPR | |||
4 | End Plate (PFA Body only) | PPS | PVDF |
5 | Flow Rate Adjuster | PPS | - |
6 | Indicator | PP | - |
Part Number |
---|
LVA30-03-B1 |
Part Number | Price | Name | Minimum Order Qty. | Volume Discount | Days to Ship | Applicable Fluid | Operating Environment | Switching Type | Connection Type | Plumbing Thread Nominal | Driving Type | Orifice Dia. (Ø) | Option | Body material | Detailed type | Functions | Pilot port thread type | Diaphragm | Specifications | End plate material |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
฿ 4,925.75 | SMC SOLENOID AIR VALVE | 1 Piece(s) | 55 Day(s) | Chemical | Standard | Normally Closed | [Rc (R)] Rc | 3/8 | Pilot Type | 8 | With flow rate adjustment | PPS | None | - | Rc 1/8 | PTFE | - | - |
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Type | Air Operating Type | Operating Temperature Range(°C) | 0::60 | Number of Solenoids | Single Solenoid |
---|---|---|---|---|---|
Operating Pressure Differential Range(MPa) | 0.3::0.5 | Application | Single Item |
Please check the type/dimensions/specifications of the part LVA30-03-B1 in the High Purity Chemical Liquid Valve, Air Operated Threaded Type LVA Series series.
Part Number |
---|
LVA10-01-D |
LVA10-01-E |
LVA10-01-G |
LVA30-03-B1-V |
LVA30-03-B4 |
LVA30-03-B4-V |
Part Number | Price | Minimum Order Qty | Volume Discount | Days to Ship | Applicable Fluid | Operating Environment | Switching Type | Connection Type | Plumbing Thread Nominal | Driving Type | Orifice Dia. (Ø) | Option | Body material | Detailed type | Functions | Pilot port thread type | Diaphragm | Specifications | End plate material |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
฿ 5,300.60 | 1 Piece(s) | 55 Day(s) | Chemical | Standard | Normally Closed | [Rc (R)] Rc | 1/8 | Pilot Type | 2 | None | SUS | None | - | M5 | NBR | - | - | ||
฿ 5,300.60 | 1 Piece(s) | 55 Day(s) | Chemical | Standard | Normally Closed | [Rc (R)] Rc | 1/8 | Pilot Type | 2 | None | SUS | None | - | M5 | EPDM | - | - | ||
฿ 3,105.05 | 1 Piece(s) | 55 Day(s) | Chemical | Standard | Normally Closed | [Rc (R)] Rc | 1/8 | Pilot Type | 2 | None | PPS | None | - | M5 | NBR | - | - | ||
฿ 7,138.90 | 1 Piece(s) | 45 Day(s) | Vacuum / Chemical | Standard | Normally Closed | [Rc (R)] Rc | 3/8 | Pilot Type | 8 | With flow rate adjustment | PPS | Vacuum specification | - | Rc 1/8 | PTFE | - | - | ||
฿ 4,042.60 | 1 Piece(s) | 55 Day(s) | Chemical | Standard | Normally Closed | [Rc (R)] Rc | 3/8 | Pilot Type | 8 | With indicator | PPS | None | - | Rc 1/8 | PTFE | - | - | ||
฿ 4,738.75 | 1 Piece(s) | 55 Day(s) | Vacuum / Chemical | Standard | Normally Closed | [Rc (R)] Rc | 3/8 | Pilot Type | 8 | With indicator | PPS | Vacuum specification | - | Rc 1/8 | PTFE | - | - |
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How can we improve?