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37 DEG FLARE FLANGE
"SAE 37 DEG FLARE FLANGE" is a new range of flared flange products offering a low-cost alternative to tube fittings which previously required welding.
• No welding process required, it saves subsequent acid pickling, flaw detection and other procedures, and greatly shortens pipe cleaning time, makes construction easier and reduces labor costs;
• It is applicable to 16 ~ 140mm hydraulic pipelines, with a maximum working pressure up to 420bar;
• Products meet SAE J518/ISO6162, ISO6164 standards;
• No leakage has ever been found after being repeatedly used by the customers in many industries such as maritime engineering, maritime works, metallurgy, etc.
Description
· "37 DEG FLARE FLANGE" is a new range of flared flange products offering a low-cost alternative to tube fittings which previously required welding.
· No tack-welding, no full welding, no pickling, and a radical reduction in the investment outlay for the necessary manufacturing facilities!
· According to SAE J518 Code61 Code62 / ISO 6162 /ISO 6164
37 Deg Flare Flange has the following certifications and approvals:
Installation
· Tube selection
A tube grade suitable for cold-bending and flaring is to be used. We recommend the use of seamless precision steel, material St 37.4/St 52.4/ANSI 316L. Tolerances of tube outside and inside deameter to DIN 2391C (EN 10305). Calculated pressure accordiing to DIN 2413.
· Tube lengh determination
The tube length is determined by measuring the distance between the fittings (L). Dimension X must be subtracted for each tube connection.
· Cut tube
cut made by the tube manufacturer (delivery-related source of faults). Saw the tube off at rightangles, an angular deviation of 1/2° relative to the tube axis is permissible. Do not use pipe cutters or cutting-off wheels as they cause severe burring and inclined cuts. Use a sawing machine/sawing device.
Important:
Form errors at the tube end, such as angular saw-cuts orinadequately deburred tubes, reduce the service life and the sealing capacity of the connection.
· Proper deburring and cleaning
Deburr inside and out (max. 0,2 x 45°) and clean (Depress the trigger to fire the projectile ,shoot through at least 2 projectiles).
· Slide the flange onto the tube
Slide the flange onto the tube. Also install sleeve if have.
· Flare the tube
Lubricate flanging pin, then flare the tube end with the flaring machine. The flare must be at right angles to the tube axis and concentric with the tube. Irregular and eccentric flares point to defective tools or operating errors. Perfect flaring is the prerequisite to a long service life of the connection.
· Check the flared tube
Verify the dimensional accuracy of diameter Da of the flared tube, and check for any impurities.Please refer to the tables for the respective dimensions.
· O-ring is installed
The lubricated O-ring is installed carefully into its groove. The metallic seal faces of the cone are inspected and also the O-ring is checked so that no damage has occured during installation.
· Fit insert cone
The insert cone is hammered in with plastic hammer (if needed).
· Grease seal
The dowty seal is greased before installation.
· Tighten the bolts
The bolts (nuts) must be tightened according to torque (see below). Path-based tightening is not permissible! Tighten the screws in cross-over fashion (1-2-3-4) and in several torque steps until the maximum torque is reached!
Alternatively send us an email to trade@dljierui.com to avail physical copy of the Catalogue.
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