• SMC LVN Fluoropolymer Needle Valve (Body Class 2 to 4)
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SMC LVN Fluoropolymer Needle Valve (Body Class 2 to 4)

SMC LVN Fluoropolymer Needle Valve (Body Class 2 to 4)

SMC LVN series all-fluoropolymer (New PFA body, PCTFE needle) needle valve with LQ2 tube fittings on both ports, for fine flow adjustment of chemical liquids and pure water.

Key features

  • Wetted parts in fluoropolymer: PFA body, insert bushing and nut, PCTFE needle, PTFE V-packing
  • Three body classes (2, 3, 4) with orifice 4.4, 8 and 10 mm; Kv 0.4, 1.2 and 1.8
  • LQ2-type fittings on A (IN) and B (OUT) ports for metric (4 to 12 mm) and inch (1/8 to 1/2 in) tubing
  • B port can take a different tube size within the same body class via a reducer (nut and insert bushing)
  • Lock nut on the adjusting handle; not a shut-off valve (flow does not drop to zero at fully closed needle)
  • Tube connection with dedicated SMC installation tool (see pamphlet M-K05-1)

Specifications

Fluid Chemical liquids, pure water
Proof pressure 1 MPa
Operating pressure 0 to 0.5 MPa
Fluid temperature 5 to 90°C
Ambient temperature 0 to 60°C
Body material New PFA
Needle material PCTFE
Mass LVN20 0.055 kg, LVN30 0.115 kg, LVN40 0.185 kg
Tightening torque Class 2 1.5-2.0, class 3 3.0-3.5, class 4 7.5-9.0 N·m
Source SMC Korea catalog LVN/LQ1/LQ3/LQHB (SMCKR_LVN_LQ1_LQ3_LQHB.pdf), p. 237-240 (PDF p. 14-17)
LVN20-S04 Body class: 2 (LVN20) | Orifice: 4.4 mm | Flow: Kv 0.4 / Cv 0.5 | A port (IN) tube: 4x3 mm | B port (OUT) tube: 4x3 mm
LVN20-S0406 Body class: 2 (LVN20) | Orifice: 4.4 mm | Flow: Kv 0.4 / Cv 0.5 | A port (IN) tube: 4x3 mm | B port (OUT) tube: 6x4 mm
LVN20-S06 Body class: 2 (LVN20) | Orifice: 4.4 mm | Flow: Kv 0.4 / Cv 0.5 | A port (IN) tube: 6x4 mm | B port (OUT) tube: 6x4 mm
LVN20-S0604 Body class: 2 (LVN20) | Orifice: 4.4 mm | Flow: Kv 0.4 / Cv 0.5 | A port (IN) tube: 6x4 mm | B port (OUT) tube: 4x3 mm
LVN20-S03 Body class: 2 (LVN20) | Orifice: 4.4 mm | Flow: Kv 0.4 / Cv 0.5 | A port (IN) tube: 1/8x0.086 in | B port (OUT) tube: 1/8x0.086 in
LVN20-S0305 Body class: 2 (LVN20) | Orifice: 4.4 mm | Flow: Kv 0.4 / Cv 0.5 | A port (IN) tube: 1/8x0.086 in | B port (OUT) tube: 3/16x1/8 in
LVN20-S0307 Body class: 2 (LVN20) | Orifice: 4.4 mm | Flow: Kv 0.4 / Cv 0.5 | A port (IN) tube: 1/8x0.086 in | B port (OUT) tube: 1/4x5/32 in
LVN20-S05 Body class: 2 (LVN20) | Orifice: 4.4 mm | Flow: Kv 0.4 / Cv 0.5 | A port (IN) tube: 3/16x1/8 in | B port (OUT) tube: 3/16x1/8 in
LVN20-S0503 Body class: 2 (LVN20) | Orifice: 4.4 mm | Flow: Kv 0.4 / Cv 0.5 | A port (IN) tube: 3/16x1/8 in | B port (OUT) tube: 1/8x0.086 in
LVN20-S0507 Body class: 2 (LVN20) | Orifice: 4.4 mm | Flow: Kv 0.4 / Cv 0.5 | A port (IN) tube: 3/16x1/8 in | B port (OUT) tube: 1/4x5/32 in
LVN20-S07 Body class: 2 (LVN20) | Orifice: 4.4 mm | Flow: Kv 0.4 / Cv 0.5 | A port (IN) tube: 1/4x5/32 in | B port (OUT) tube: 1/4x5/32 in
LVN20-S0703 Body class: 2 (LVN20) | Orifice: 4.4 mm | Flow: Kv 0.4 / Cv 0.5 | A port (IN) tube: 1/4x5/32 in | B port (OUT) tube: 1/8x0.086 in
LVN20-S0705 Body class: 2 (LVN20) | Orifice: 4.4 mm | Flow: Kv 0.4 / Cv 0.5 | A port (IN) tube: 1/4x5/32 in | B port (OUT) tube: 3/16x1/8 in
LVN30-S06 Body class: 3 (LVN30) | Orifice: 8 mm | Flow: Kv 1.2 / Cv 1.4 | A port (IN) tube: 6x4 mm | B port (OUT) tube: 6x4 mm
LVN30-S0608 Body class: 3 (LVN30) | Orifice: 8 mm | Flow: Kv 1.2 / Cv 1.4 | A port (IN) tube: 6x4 mm | B port (OUT) tube: 8x6 mm
LVN30-S0610 Body class: 3 (LVN30) | Orifice: 8 mm | Flow: Kv 1.2 / Cv 1.4 | A port (IN) tube: 6x4 mm | B port (OUT) tube: 10x8 mm
LVN30-S08 Body class: 3 (LVN30) | Orifice: 8 mm | Flow: Kv 1.2 / Cv 1.4 | A port (IN) tube: 8x6 mm | B port (OUT) tube: 8x6 mm
LVN30-S0806 Body class: 3 (LVN30) | Orifice: 8 mm | Flow: Kv 1.2 / Cv 1.4 | A port (IN) tube: 8x6 mm | B port (OUT) tube: 6x4 mm
LVN30-S0810 Body class: 3 (LVN30) | Orifice: 8 mm | Flow: Kv 1.2 / Cv 1.4 | A port (IN) tube: 8x6 mm | B port (OUT) tube: 10x8 mm
LVN30-S10 Body class: 3 (LVN30) | Orifice: 8 mm | Flow: Kv 1.2 / Cv 1.4 | A port (IN) tube: 10x8 mm | B port (OUT) tube: 10x8 mm
LVN30-S1006 Body class: 3 (LVN30) | Orifice: 8 mm | Flow: Kv 1.2 / Cv 1.4 | A port (IN) tube: 10x8 mm | B port (OUT) tube: 6x4 mm
LVN30-S1008 Body class: 3 (LVN30) | Orifice: 8 mm | Flow: Kv 1.2 / Cv 1.4 | A port (IN) tube: 10x8 mm | B port (OUT) tube: 8x6 mm
LVN30-S07 Body class: 3 (LVN30) | Orifice: 8 mm | Flow: Kv 1.2 / Cv 1.4 | A port (IN) tube: 1/4x5/32 in | B port (OUT) tube: 1/4x5/32 in
LVN30-S0711 Body class: 3 (LVN30) | Orifice: 8 mm | Flow: Kv 1.2 / Cv 1.4 | A port (IN) tube: 1/4x5/32 in | B port (OUT) tube: 3/8x1/4 in
LVN30-S11 Body class: 3 (LVN30) | Orifice: 8 mm | Flow: Kv 1.2 / Cv 1.4 | A port (IN) tube: 3/8x1/4 in | B port (OUT) tube: 3/8x1/4 in
LVN30-S1107 Body class: 3 (LVN30) | Orifice: 8 mm | Flow: Kv 1.2 / Cv 1.4 | A port (IN) tube: 3/8x1/4 in | B port (OUT) tube: 1/4x5/32 in
LVN40-S10 Body class: 4 (LVN40) | Orifice: 10 mm | Flow: Kv 1.8 / Cv 2.2 | A port (IN) tube: 10x8 mm | B port (OUT) tube: 10x8 mm
LVN40-S1012 Body class: 4 (LVN40) | Orifice: 10 mm | Flow: Kv 1.8 / Cv 2.2 | A port (IN) tube: 10x8 mm | B port (OUT) tube: 12x10 mm
LVN40-S12 Body class: 4 (LVN40) | Orifice: 10 mm | Flow: Kv 1.8 / Cv 2.2 | A port (IN) tube: 12x10 mm | B port (OUT) tube: 12x10 mm
LVN40-S1210 Body class: 4 (LVN40) | Orifice: 10 mm | Flow: Kv 1.8 / Cv 2.2 | A port (IN) tube: 12x10 mm | B port (OUT) tube: 10x8 mm
LVN40-S11 Body class: 4 (LVN40) | Orifice: 10 mm | Flow: Kv 1.8 / Cv 2.2 | A port (IN) tube: 3/8x1/4 in | B port (OUT) tube: 3/8x1/4 in
LVN40-S1113 Body class: 4 (LVN40) | Orifice: 10 mm | Flow: Kv 1.8 / Cv 2.2 | A port (IN) tube: 3/8x1/4 in | B port (OUT) tube: 1/2x3/8 in
LVN40-S13 Body class: 4 (LVN40) | Orifice: 10 mm | Flow: Kv 1.8 / Cv 2.2 | A port (IN) tube: 1/2x3/8 in | B port (OUT) tube: 1/2x3/8 in
LVN40-S1311 Body class: 4 (LVN40) | Orifice: 10 mm | Flow: Kv 1.8 / Cv 2.2 | A port (IN) tube: 1/2x3/8 in | B port (OUT) tube: 3/8x1/4 in
Needle ValvesSMC
34 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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SMC LVN Fluoropolymer Needle Valve (Body Class 2 to 4)

Brand SMC·Needle Valves

Available part numbers (34)

LVN20-S04, LVN20-S0406, LVN20-S06, LVN20-S0604, LVN20-S03, LVN20-S0305, LVN20-S0307, LVN20-S05, LVN20-S0503, LVN20-S0507 + 24 more — see full table ↓

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Product codeSpec
LVN20-S04Body class: 2 (LVN20) | Orifice: 4.4 mm | Flow: Kv 0.4 / Cv 0.5 | A port (IN) tube: 4x3 mm | B port (OUT) tube: 4x3 mm
LVN20-S0406Body class: 2 (LVN20) | Orifice: 4.4 mm | Flow: Kv 0.4 / Cv 0.5 | A port (IN) tube: 4x3 mm | B port (OUT) tube: 6x4 mm
LVN20-S06Body class: 2 (LVN20) | Orifice: 4.4 mm | Flow: Kv 0.4 / Cv 0.5 | A port (IN) tube: 6x4 mm | B port (OUT) tube: 6x4 mm
LVN20-S0604Body class: 2 (LVN20) | Orifice: 4.4 mm | Flow: Kv 0.4 / Cv 0.5 | A port (IN) tube: 6x4 mm | B port (OUT) tube: 4x3 mm
LVN20-S03Body class: 2 (LVN20) | Orifice: 4.4 mm | Flow: Kv 0.4 / Cv 0.5 | A port (IN) tube: 1/8x0.086 in | B port (OUT) tube: 1/8x0.086 in
LVN20-S0305Body class: 2 (LVN20) | Orifice: 4.4 mm | Flow: Kv 0.4 / Cv 0.5 | A port (IN) tube: 1/8x0.086 in | B port (OUT) tube: 3/16x1/8 in
LVN20-S0307Body class: 2 (LVN20) | Orifice: 4.4 mm | Flow: Kv 0.4 / Cv 0.5 | A port (IN) tube: 1/8x0.086 in | B port (OUT) tube: 1/4x5/32 in
LVN20-S05Body class: 2 (LVN20) | Orifice: 4.4 mm | Flow: Kv 0.4 / Cv 0.5 | A port (IN) tube: 3/16x1/8 in | B port (OUT) tube: 3/16x1/8 in
LVN20-S0503Body class: 2 (LVN20) | Orifice: 4.4 mm | Flow: Kv 0.4 / Cv 0.5 | A port (IN) tube: 3/16x1/8 in | B port (OUT) tube: 1/8x0.086 in
LVN20-S0507Body class: 2 (LVN20) | Orifice: 4.4 mm | Flow: Kv 0.4 / Cv 0.5 | A port (IN) tube: 3/16x1/8 in | B port (OUT) tube: 1/4x5/32 in
LVN20-S07Body class: 2 (LVN20) | Orifice: 4.4 mm | Flow: Kv 0.4 / Cv 0.5 | A port (IN) tube: 1/4x5/32 in | B port (OUT) tube: 1/4x5/32 in
LVN20-S0703Body class: 2 (LVN20) | Orifice: 4.4 mm | Flow: Kv 0.4 / Cv 0.5 | A port (IN) tube: 1/4x5/32 in | B port (OUT) tube: 1/8x0.086 in
LVN20-S0705Body class: 2 (LVN20) | Orifice: 4.4 mm | Flow: Kv 0.4 / Cv 0.5 | A port (IN) tube: 1/4x5/32 in | B port (OUT) tube: 3/16x1/8 in
LVN30-S06Body class: 3 (LVN30) | Orifice: 8 mm | Flow: Kv 1.2 / Cv 1.4 | A port (IN) tube: 6x4 mm | B port (OUT) tube: 6x4 mm
LVN30-S0608Body class: 3 (LVN30) | Orifice: 8 mm | Flow: Kv 1.2 / Cv 1.4 | A port (IN) tube: 6x4 mm | B port (OUT) tube: 8x6 mm
LVN30-S0610Body class: 3 (LVN30) | Orifice: 8 mm | Flow: Kv 1.2 / Cv 1.4 | A port (IN) tube: 6x4 mm | B port (OUT) tube: 10x8 mm
LVN30-S08Body class: 3 (LVN30) | Orifice: 8 mm | Flow: Kv 1.2 / Cv 1.4 | A port (IN) tube: 8x6 mm | B port (OUT) tube: 8x6 mm
LVN30-S0806Body class: 3 (LVN30) | Orifice: 8 mm | Flow: Kv 1.2 / Cv 1.4 | A port (IN) tube: 8x6 mm | B port (OUT) tube: 6x4 mm
LVN30-S0810Body class: 3 (LVN30) | Orifice: 8 mm | Flow: Kv 1.2 / Cv 1.4 | A port (IN) tube: 8x6 mm | B port (OUT) tube: 10x8 mm
LVN30-S10Body class: 3 (LVN30) | Orifice: 8 mm | Flow: Kv 1.2 / Cv 1.4 | A port (IN) tube: 10x8 mm | B port (OUT) tube: 10x8 mm
LVN30-S1006Body class: 3 (LVN30) | Orifice: 8 mm | Flow: Kv 1.2 / Cv 1.4 | A port (IN) tube: 10x8 mm | B port (OUT) tube: 6x4 mm
LVN30-S1008Body class: 3 (LVN30) | Orifice: 8 mm | Flow: Kv 1.2 / Cv 1.4 | A port (IN) tube: 10x8 mm | B port (OUT) tube: 8x6 mm
LVN30-S07Body class: 3 (LVN30) | Orifice: 8 mm | Flow: Kv 1.2 / Cv 1.4 | A port (IN) tube: 1/4x5/32 in | B port (OUT) tube: 1/4x5/32 in
LVN30-S0711Body class: 3 (LVN30) | Orifice: 8 mm | Flow: Kv 1.2 / Cv 1.4 | A port (IN) tube: 1/4x5/32 in | B port (OUT) tube: 3/8x1/4 in
LVN30-S11Body class: 3 (LVN30) | Orifice: 8 mm | Flow: Kv 1.2 / Cv 1.4 | A port (IN) tube: 3/8x1/4 in | B port (OUT) tube: 3/8x1/4 in
LVN30-S1107Body class: 3 (LVN30) | Orifice: 8 mm | Flow: Kv 1.2 / Cv 1.4 | A port (IN) tube: 3/8x1/4 in | B port (OUT) tube: 1/4x5/32 in
LVN40-S10Body class: 4 (LVN40) | Orifice: 10 mm | Flow: Kv 1.8 / Cv 2.2 | A port (IN) tube: 10x8 mm | B port (OUT) tube: 10x8 mm
LVN40-S1012Body class: 4 (LVN40) | Orifice: 10 mm | Flow: Kv 1.8 / Cv 2.2 | A port (IN) tube: 10x8 mm | B port (OUT) tube: 12x10 mm
LVN40-S12Body class: 4 (LVN40) | Orifice: 10 mm | Flow: Kv 1.8 / Cv 2.2 | A port (IN) tube: 12x10 mm | B port (OUT) tube: 12x10 mm
LVN40-S1210Body class: 4 (LVN40) | Orifice: 10 mm | Flow: Kv 1.8 / Cv 2.2 | A port (IN) tube: 12x10 mm | B port (OUT) tube: 10x8 mm
LVN40-S11Body class: 4 (LVN40) | Orifice: 10 mm | Flow: Kv 1.8 / Cv 2.2 | A port (IN) tube: 3/8x1/4 in | B port (OUT) tube: 3/8x1/4 in
LVN40-S1113Body class: 4 (LVN40) | Orifice: 10 mm | Flow: Kv 1.8 / Cv 2.2 | A port (IN) tube: 3/8x1/4 in | B port (OUT) tube: 1/2x3/8 in
LVN40-S13Body class: 4 (LVN40) | Orifice: 10 mm | Flow: Kv 1.8 / Cv 2.2 | A port (IN) tube: 1/2x3/8 in | B port (OUT) tube: 1/2x3/8 in
LVN40-S1311Body class: 4 (LVN40) | Orifice: 10 mm | Flow: Kv 1.8 / Cv 2.2 | A port (IN) tube: 1/2x3/8 in | B port (OUT) tube: 3/8x1/4 in

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