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Union LQ3U Metric Size Fluoropolymer Fittings Hyper Fittings (LQ3U51)

Union LQ3U Metric Size Fluoropolymer Fittings Hyper Fittings LQ3U51

Fluoropolymer fittings from SMC Corporation.
[Features]
· Flare-type collet construction.
· Triple-seal construction.
· Ease of installation.
· Excellent flow-through characteristics.
· Excellent heat resistance.
· Can be used at 200°C.
[Applications]
· For joining tubes during piping assembly.

(i)Caution

  • For specifications and details, please refer to the catalog.
  • Product images may be representative images. Refer to the catalog for details.

PDF

Union: LQ3U Metric Size Outline Drawing and Dimensions

Union: LQ3U Outline Drawing

Union: LQ3U Outline Drawing

ModelApplicable Tubing Outer DiameterEE'HLL'MW
LQ3U11ø41091146.544.51410
LQ3U12ø3
LQ3U21ø617161657552014
LQ3U31ø1022.519.52179732518
LQ3U32ø8
LQ3U41ø1224222488842922
LQ3U51ø1926.52432103983730
LQ3U61ø25302641122113.54936
  • (E, E'): Reference dimension for the inserted tubing from the end surface of the nut.
  • (E'), L': Nut material PVDF dimensions.
  • W: Width across flats dimension.

Fluoropolymer Fittings Hyper Fittings / Flare-Type LQ3 Series Common Specifications (Reference)

Construction

LQ3 Series Construction

LQ3 Series Construction

Specifications

MaterialNew PFA
Maximum operating pressure (at 20°C)1.0 MPa
Proof pressureRefer to the withstand pressure and heat resistance performance data.
Operating TemperatureNut material PVDF0 to 150°C
Nut material PFA0 to 200°C

Withstand Pressure and Heat Resistance Performance

Withstand Pressure and Heat Resistance Performance Data

Withstand Pressure and Heat Resistance Performance Data

Precautions

  • Use special tools to connect tubing.
  • Tighten the nut until it touches the end surface of the body, and then tighten it an additional 1/8 turn to ensure that the nut has reached the end surface. If the nut will not turn any further, then it means a sufficient tightening has occurred. Refer to the proper tightening torques shown below.
Body sizeTorque (N·m)
10.7 to 0.9
21.6 to 1.8
33.2 to 3.5
45.0 to 5.3
510.0 to 10.5
622.5 to 23.0
723.0 to 26.5
Part Number
LQ3U51
Part NumberMinimum order quantityVolume DiscountDays to ShipApplicable Tube Outer Dia. (mm) D (D1) Maximum Operating Temperature
(°C)
Packing Nut Material Size of Body
1 Piece(s) 31 Day(s) 19200Clean Packaging Class M3.5 EquivalentPFA5

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Basic Information

Connection Type Pipe⇔Pipe, same diameters connection Type Fitting Body Material PFA
Pipe-to-Pipe Equal Dia. Connection Type Union

Please check the type/dimensions/specifications of the part LQ3U51 in the Union LQ3U Metric Size Fluoropolymer Fittings Hyper Fittings series.

Products like this...

Part Number
LQ3U11-3
LQ3U12
LQ3U12-1
LQ3U51-1
LQ3U51-2
LQ3U51-3
Part NumberMinimum order quantityVolume DiscountDays to ShipApplicable Tube Outer Dia. (mm) D (D1) Maximum Operating Temperature
(°C)
Packing Nut Material Size of Body
1 Piece(s) Quote 4150Standard Packaging Class M5.5 EquivalentPVDF1
1 Piece(s) Quote 3200Clean Packaging Class M3.5 EquivalentPFA1
1 Piece(s) Quote 3200Standard Packaging Class M5.5 EquivalentPFA1
1 Piece(s) Quote 19200Standard Packaging Class M5.5 EquivalentPFA5
1 Piece(s) Quote 19150Clean Packaging Class M3.5 EquivalentPVDF5
1 Piece(s) Quote 19150Standard Packaging Class M5.5 EquivalentPVDF5

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