SMC LQHB Fluoropolymer Bore-Through Connector (Tube 3 to 25 mm)

SMC LQHB series New PFA bore-through connector that lets a tube pass straight through the fitting, for routing tubes into tanks or containers and adjusting tube depth.

Key features

Tube passes through the connector body; tube position can be changed to suit the container depth
Male R thread (NPT with N) from 1/8 to 1, matched to body sizes 1 to 6
For metric tube 3 to 25 mm and inch tube 1/8 to 1 in
PFA nut; codes in clean packaging (ISO Class 5 equivalent), standard packaging with -1
Tighten the nut with the LQ1 nut spanner until the gap to the body is 2 mm or less

Specifications

Fluid	Chemical liquids, pure water, N2
Material	New PFA
Max. operating pressure	1.0 MPa at 20°C
Operating temperature	0 to 200°C
Thread type	R standard (NPT with N)
Nut material	PFA
Packaging	Clean packaging, ISO Class 5 equivalent
Tightening torque	Size 1 0.7-0.9 to size 6 22.5-23.0 N·m
Source	SMC Korea catalog LVN/LQ1/LQ3/LQHB (SMCKR_LVN_LQ1_LQ3_LQHB.pdf), p. 237, 305-306 (PDF p. 14, 82-83)

LQHB03		Body size: 1 \| Tube: ø3x2 mm or 1/8x0.086 in \| Thread: R1/8
LQHB04		Body size: 1 \| Tube: 4x3 mm \| Thread: R1/8
LQHB06		Body size: 2 \| Tube: 6x4 mm \| Thread: R1/4
LQHB08		Body size: 3 \| Tube: 8x6 mm \| Thread: R3/8
LQHB10		Body size: 3 \| Tube: 10x8 mm \| Thread: R3/8
LQHB12		Body size: 4 \| Tube: 12x10 mm \| Thread: R1/2
LQHB19		Body size: 5 \| Tube: 19x16 mm or 3/4x5/8 in \| Thread: R3/4
LQHB25		Body size: 6 \| Tube: 25x22 mm or 1x7/8 in \| Thread: R1
LQHB07		Body size: 2 \| Tube: 1/4x5/32 in \| Thread: R1/4
LQHB11		Body size: 3 \| Tube: 3/8x1/4 in \| Thread: R3/8
LQHB13		Body size: 4 \| Tube: 1/2x3/8 in \| Thread: R1/2

FittingsSMC

11 product codes available in this family

Sourced direct from KoreaExport-ready supplyCompetitive pricing

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SMC LQHB Fluoropolymer Bore-Through Connector (Tube 3 to 25 mm)

Brand SMC·Fittings

Available part numbers (11)

LQHB03, LQHB04, LQHB06, LQHB08, LQHB10, LQHB12, LQHB19, LQHB25, LQHB07, LQHB11 + 1 more — see full table ↓

How to order

Send the SMC part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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SMC LQHB Fluoropolymer Bore-Through Connector (Tube 3 to 25 mm)