Raccordi senza flangia Pre-torque

Name: Raccordi senza flangia Pre-torque
Brand: Nanjing Runze Fluid Control Equipment Co., LTD.

I raccordi senza flangia Pre-torque offrono una connessione unica per i raccordi a tenuta manuale con clic quando la resistenza del cappuccio aumenta fino a raggiungere la coppia corretta, È realizzato in materiale PP o PTFE e viene fornito con un dado pre-torque e una ghiera per il trasferimento di gas o liquidi. QuestiRaccordi filettatiSono disponibili per tubi diametri esterni di 1.6/2.0/2.5/3.0/3.2mm.

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Video of Pre-torque Flangeless Fittings

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Specification of Pre-torque Flangeless Fittings

Nut Specification

Ferrule Specification

Torque Range & Colors of Pre-torque Flangeless Fittings

Color	Blue	Yellow	Red
Nut
Torque Range	0.11-0.15N/m	0.15-0.20N/m	0.20-0.25N/m
Operating Environment	Room Temperature and Pressure Tube wall thickness≤0.5mm	Room Temperature and Pressure Tube wall thickness＞0.5mm	Temperature＜100℃ Pressure＞0.8Mpa Tube WT＞0.5mm

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Dimension (unit: mm)

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Application Note of Pre-torque Flangeless Fittings

1. Choose 1/4-28 nut when receiving port is 1/4-28; Choose M6 nut when receiving port is M6.

2. Before connecting fittings, ensure the end of the tubing has a clean, square, burr-free cut. This is very important, as the square cut helps the tubing make full contact with the bottom of the mating port. Neglecting to properly cut the tubing could lead to dead volume, resulting in peak distortion such as fronting, tailing or broadening.

3. Two-Piece Fittings Installation Steps:

a. Slide the nut, followed by the ferrule, at least 3/16” (4.7625mm) from the end of the clean cut tubing

b. Insert the assembly into the receiving port, pushing the tubing into the port until it bottoms out.

c. Finger or wrench tighten the fittings until the cap comes out "click" which means properly tightened

d. After several uses (especially at high pressure) the ferrule should be replaced.

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