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Fluoropolymer Pipe Fitting, LQ3 Series, Union Reducing, Metric Size (Part Numbers)

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.

Part Number

Configured Part Number is shown.

Product Specifications
Part Numbers
Catalog

Union Reducing: LQ3U-R Metric Size Outline Drawing and Dimensions

Union Reducing: LQ3U-R Outline Drawing

Model	A side	B side	E₁	E₁'	E₂	E₂'	H₁	H₂	L	L'	M₁	M₂	W
Model	Applicable Tubing Outer Diameter		E₁	E₁'	E₂	E₂'	H₁	H₂	L	L'	M₁	M₂	W
LQ3U11-R1	ø4	ø3	10	9	10	9	11	11	46.5	44.5	14	14	10
LQ3U21-R1	ø6	ø4	17	16	10	9	16	11	51	48.5	20	14	14
LQ3U21-R2	ø6	ø3	17	16	10	9	16	11	51	48.5	20	14	14
LQ3U31-R1	ø10	ø8	22.5	19.5	22.5	19.5	21	21	79	73	25	25	18
LQ3U31-R2	ø10	ø6	22.5	19.5	17	16	21	16	66.5	62	25	20	18
LQ3U32-R1	ø8	ø6	22.5	19.5	17	16	21	16	66.5	62	25	20	18
LQ3U32-R2	ø8	ø4	22.5	19.5	10	9	21	11	62	58	25	14	18
LQ3U41-R1	ø12	ø10	24	22	22.5	19.5	24	21	82.5	77	29	25	22
LQ3U41-R2	ø12	ø8	24	22	22.5	19.5	24	21	82.5	77	29	25	22
LQ3U51-R1	ø19	ø12	26.5	24	24	22	32	24	95.5	91	37	29	30
LQ3U51-R2	ø19	ø10	26.5	24	22.5	19.5	32	21	91	85.5	37	25	30
LQ3U61-R1	ø25	ø19	30	26	26.5	24	41	32	112.5	105.5	49	37	36
LQ3U61-R2	ø25	ø12	30	26	24	22	41	24	106.5	100	49	29	36

(E1, E1', E2, E2'): References dimension for the inserted tubing from the end surface of the nut.
(E1', E2'), L': Nut material PVDF dimensions.

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

Construction

LQ3 Series Construction

Specifications

Material		New PFA
Maximum operating pressure (at 20°C)		1.0 MPa
Proof pressure		Refer to the withstand pressure and heat resistance performance data.
Operating Temperature	Nut material PVDF	0 to 150°C
Operating Temperature	Nut material PFA	0 to 200°C

Withstand Pressure and Heat Resistance Performance

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 size	Torque (N·m)
1	0.7 to 0.9
2	1.6 to 1.8
3	3.2 to 3.5
4	5.0 to 5.3
5	10.0 to 10.5
6	22.5 to 23.0
7	23.0 to 26.5

: 30; 60; 90

Part Number
LQ3U11-R1
LQ3U11-R1-1
LQ3U11-R1-2
LQ3U11-R1-3
LQ3U21-R1
LQ3U21-R1-1
LQ3U21-R1-2
LQ3U21-R1-3
LQ3U21-R2-1
LQ3U21-R2-2
LQ3U21-R2-3
LQ3U31-R1
LQ3U31-R1-1
LQ3U31-R1-2
LQ3U31-R1-3
LQ3U31-R2
LQ3U31-R2-1
LQ3U31-R2-2
LQ3U31-R2-3
LQ3U32-R1
LQ3U32-R1-1
LQ3U32-R1-2
LQ3U32-R1-3
LQ3U32-R2
LQ3U32-R2-1
LQ3U32-R2-2
LQ3U32-R2-3
LQ3U41-R1
LQ3U41-R1-1
LQ3U41-R1-2
LQ3U41-R1-3
LQ3U41-R2
LQ3U41-R2-1
LQ3U41-R2-2
LQ3U41-R2-3
LQ3U51-R1
LQ3U51-R1-1
LQ3U51-R1-2
LQ3U51-R1-3
LQ3U51-R2
LQ3U51-R2-1
LQ3U51-R2-2
LQ3U51-R2-3
LQ3U61-R1
LQ3U61-R1-1
LQ3U61-R1-2
LQ3U61-R1-3
LQ3U61-R2
LQ3U61-R2-1
LQ3U61-R2-2
LQ3U61-R2-3

Standard Unit Price	Minimum order quantity	Days to Ship	Compatible Tube O.D. (mm) D (D1)	Compatible Tube O.D. (mm) D2	Max. Operating Temperature (°C)	Packing	Nut Material	Size of Body
MYR 135.97	1 Piece(s)	21 Day(s) or more	4	3	200	Clean Packaging Class M3.5 Equivalent	PFA	1
MYR 99,999.99	1 Piece(s)	Quote	4	3	200	Standard Packaging Class M5.5 Equivalent	PFA	1
MYR 99,999.99	1 Piece(s)	Quote	4	3	150	Clean Packaging Class M3.5 Equivalent	PVDF	1
MYR 99,999.99	1 Piece(s)	Quote	4	3	150	Standard Packaging Class M5.5 Equivalent	PVDF	1
MYR 121.97	1 Piece(s)	14 Day(s) or more	6	4	200	Clean Packaging Class M3.5 Equivalent	PFA	2
MYR 147.88	1 Piece(s)	21 Day(s) or more	6	4	200	Standard Packaging Class M5.5 Equivalent	PFA	2
MYR 99,999.99	1 Piece(s)	Quote	6	4	150	Clean Packaging Class M3.5 Equivalent	PVDF	2
MYR 99,999.99	1 Piece(s)	Quote	6	4	150	Standard Packaging Class M5.5 Equivalent	PVDF	2
MYR 99,999.99	1 Piece(s)	Quote	6	3	200	Standard Packaging Class M5.5 Equivalent	PFA	2
MYR 99,999.99	1 Piece(s)	Quote	6	3	150	Clean Packaging Class M3.5 Equivalent	PVDF	2
MYR 99,999.99	1 Piece(s)	Quote	6	3	150	Standard Packaging Class M5.5 Equivalent	PVDF	2
MYR 152.65	1 Piece(s)	14 Day(s) or more	10	8	200	Clean Packaging Class M3.5 Equivalent	PFA	3
MYR 99,999.99	1 Piece(s)	Quote	10	8	200	Standard Packaging Class M5.5 Equivalent	PFA	3
MYR 99,999.99	1 Piece(s)	Quote	10	8	150	Clean Packaging Class M3.5 Equivalent	PVDF	3
MYR 147.88	1 Piece(s)	21 Day(s) or more	10	8	150	Standard Packaging Class M5.5 Equivalent	PVDF	3
MYR 136.89	1 Piece(s)	9 Day(s) or more	10	6	200	Clean Packaging Class M3.5 Equivalent	PFA	3
MYR 99,999.99	1 Piece(s)	Quote	10	6	200	Standard Packaging Class M5.5 Equivalent	PFA	3
MYR 99,999.99	1 Piece(s)	Quote	10	6	150	Clean Packaging Class M3.5 Equivalent	PVDF	3
MYR 99,999.99	1 Piece(s)	Quote	10	6	150	Standard Packaging Class M5.5 Equivalent	PVDF	3
MYR 152.65	1 Piece(s)	14 Day(s) or more	8	6	200	Clean Packaging Class M3.5 Equivalent	PFA	3
MYR 99,999.99	1 Piece(s)	Quote	8	6	200	Standard Packaging Class M5.5 Equivalent	PFA	3
MYR 99,999.99	1 Piece(s)	Quote	8	6	150	Clean Packaging Class M3.5 Equivalent	PVDF	3
MYR 99,999.99	1 Piece(s)	Quote	8	6	150	Standard Packaging Class M5.5 Equivalent	PVDF	3
MYR 187.18	1 Piece(s)	21 Day(s) or more	8	4	200	Clean Packaging Class M3.5 Equivalent	PFA	3
MYR 99,999.99	1 Piece(s)	Quote	8	4	200	Standard Packaging Class M5.5 Equivalent	PFA	3
MYR 99,999.99	1 Piece(s)	Quote	8	4	150	Clean Packaging Class M3.5 Equivalent	PVDF	3
MYR 99,999.99	1 Piece(s)	Quote	8	4	150	Standard Packaging Class M5.5 Equivalent	PVDF	3
MYR 190.65	1 Piece(s)	14 Day(s) or more	12	10	200	Clean Packaging Class M3.5 Equivalent	PFA	4
MYR 99,999.99	1 Piece(s)	Quote	12	10	200	Standard Packaging Class M5.5 Equivalent	PFA	4
MYR 99,999.99	1 Piece(s)	Quote	12	10	150	Clean Packaging Class M3.5 Equivalent	PVDF	4
MYR 99,999.99	1 Piece(s)	Quote	12	10	150	Standard Packaging Class M5.5 Equivalent	PVDF	4
MYR 233.97	1 Piece(s)	21 Day(s) or more	12	8	200	Clean Packaging Class M3.5 Equivalent	PFA	4
MYR 99,999.99	1 Piece(s)	Quote	12	8	200	Standard Packaging Class M5.5 Equivalent	PFA	4
MYR 99,999.99	1 Piece(s)	Quote	12	8	150	Clean Packaging Class M3.5 Equivalent	PVDF	4
MYR 99,999.99	1 Piece(s)	Quote	12	8	150	Standard Packaging Class M5.5 Equivalent	PVDF	4
MYR 394.63	1 Piece(s)	21 Day(s) or more	19	12	200	Clean Packaging Class M3.5 Equivalent	PFA	5
MYR 99,999.99	1 Piece(s)	Quote	19	12	200	Standard Packaging Class M5.5 Equivalent	PFA	5
MYR 99,999.99	1 Piece(s)	Quote	19	12	150	Clean Packaging Class M3.5 Equivalent	PVDF	5
MYR 317.38	1 Piece(s)	21 Day(s) or more	19	12	150	Standard Packaging Class M5.5 Equivalent	PVDF	5
MYR 99,999.99	1 Piece(s)	Quote	19	10	200	Clean Packaging Class M3.5 Equivalent	PFA	5
MYR 99,999.99	1 Piece(s)	Quote	19	10	200	Standard Packaging Class M5.5 Equivalent	PFA	5
MYR 99,999.99	1 Piece(s)	Quote	19	10	150	Clean Packaging Class M3.5 Equivalent	PVDF	5
MYR 99,999.99	1 Piece(s)	Quote	19	10	150	Standard Packaging Class M5.5 Equivalent	PVDF	5
MYR 607.33	1 Piece(s)	Quote	25	19	200	Clean Packaging Class M3.5 Equivalent	PFA	6
MYR 99,999.99	1 Piece(s)	Quote	25	19	200	Standard Packaging Class M5.5 Equivalent	PFA	6
MYR 99,999.99	1 Piece(s)	Quote	25	19	150	Clean Packaging Class M3.5 Equivalent	PVDF	6
MYR 99,999.99	1 Piece(s)	Quote	25	19	150	Standard Packaging Class M5.5 Equivalent	PVDF	6
MYR 99,999.99	1 Piece(s)	Quote	25	12	200	Clean Packaging Class M3.5 Equivalent	PFA	6
MYR 99,999.99	1 Piece(s)	Quote	25	12	200	Standard Packaging Class M5.5 Equivalent	PFA	6
MYR 99,999.99	1 Piece(s)	Quote	25	12	150	Clean Packaging Class M3.5 Equivalent	PVDF	6
MYR 99,999.99	1 Piece(s)	Quote	25	12	150	Standard Packaging Class M5.5 Equivalent	PVDF	6

Basic Information

Connection Type	Pipe⇔Pipe, different diameters connection	Type	Fitting Body	Main Body Material	PFA
Pipe-to-Pipe Reducer Connection Type	Reducing Union

Configure

51 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Compatible Tube O.D. (mm) D (D1)
4

6

8

10

12

19

25
Clear
Compatible Tube O.D. (mm) D2
3

4

6

8

10

12

19
Clear
Max. Operating Temperature(°C)
150

200
Clear
Packing
- Clean Packaging Class M3.5 Equivalent
- Standard Packaging Class M5.5 Equivalent
Clear
Nut Material
- PFA
- PVDF
Clear
Size of Body
- 1
- 2
- 3
- 4
- 5
- 6
Clear
type
- LQ3U□□-□-□
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

9 Day(s) or Less

14 Day(s) or Less

21 Day(s) or Less
Clear

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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Tech Support

Factory Automation, Electronics, Tools, & MRO (Maintenance, Repair and Operations): Tel：(60) 3 7890 6399; 9:00am - 6:00pm (Monday - Friday)
9:00am - 1:00pm (Saturday); Technical Inquiry

How can we improve?

Fluoropolymer Pipe Fitting, LQ3 Series, Union Reducing, Metric Size (Part Numbers)

(i)Caution

Union Reducing: LQ3U-R Metric Size Outline Drawing and Dimensions

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

Construction

Specifications

Withstand Pressure and Heat Resistance Performance

Precautions

Basic Information

Configure

Specification/Dimensions

Compatible Tube O.D. (mm) D (D1)

Compatible Tube O.D. (mm) D2

Max. Operating Temperature(°C)

Packing

Nut Material

Size of Body

type

CAD

Days to Ship

Specify Alterations

Additional Products in this Category

Tech Support

Payment Method

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