Koolance QD3-FSFG4-P Quick Disconnect Coupling - Technical Specifications

Product Identification

Brand: Koolance

Model: QD3-FSFG4-P

Item: QD3 SHORT

Title: QD3-FSFG4-P

QD3 Female Quick Disconnect Coupling Description

This section details the dimensions and features of the Koolance QD3 female quick disconnect coupling. It is designed for liquid cooling applications and features a no-spill mechanism.

Key Features:

No-Spill design
Panel Female Thread: G 1/4 BSPP
Operation: Features a pull sleeve marked with "PULL" and a directional triangle (▽).

Dimensions (Coupling):

Dimension Label	Value	Unit	Description
Overall Diameter (Front Face)	20.0	mm	Diameter of the circular front face of the coupling.
Coupling Body Length	12.6	mm	Length of the main body of the coupling.
Overall Length	26.7 ± 0.5	mm	Total length of the coupling from end to end.
Pull Sleeve Length	4.5	mm	Length of the sleeve that is pulled to disconnect the coupling.
Outer Diameter	Ø23.7	mm	Maximum outer diameter of the coupling body.

Associated Nut Description

This section details the dimensions of the hexagonal nut provided with or intended for use with the coupling.

Dimensions (Nut):

Dimension Label	Value	Unit	Description
Hex Width	21.0	mm	Width across the flats of the hexagonal nut.
Thickness	3.0	mm	Height of the nut.
Thread	M18x1.0 TAP		Internal thread specification for the nut.

General Specifications & Tolerances

Parameter	Value	Notes
Material	N/S	Not Specified
Quantity
Remarks
Scale	N/S	Not Specified
Surface Roughness	.63, 1.6
Decimal Places Tolerance	.XXX: ±0.005 inches / ±0.1 mm .XX: ±0.010 inches / ±0.3 mm .X: ±0.020 inches / ±0.5 mm
Angular Dimensions Tolerance	XX: ±0.5° XX.X*: ±0.1°
3rd Angle Projection		Indicates standard projection method used in drawing.

Drawing Information

Parameter	Value
Drawn By	SONG
Code No.
DWG. No.
Page

Revision History

No revision history is recorded on this document.

REV	DATE	CONTENTS	REVD BY	CHKD BY	APPD BY

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