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Straight Pipe Connector made of PA or PVDF

Product specification Straight, pipe / tube connection on both sides for tubes with a wall... more

Product specification

Straight, pipe / tube connection on both sides for tubes with a wall thickness of 1.0 mm

See "General Information" for technical specifications and installation instructions

General Information RCT ® -TRS-1 THOMAFLUID ® -Straight Screw Connectors Type RCT... more

General Information RCT®-TRS-1

THOMAFLUID®-Straight Screw Connectors Type RCT®-TRS-1 made of PA or PVDF are used for connecting hard polymer pipes and hoses with a wall strength of 1.0 mm. The connectors are compatible with a wide range of polymer materials, e.g. PTFE, PVDF, FEP, PFA, PA, PE or PUR. The connection is realized with the help of an integrated stiffener sleeve, a compression ferrule and a union nut. The pipe connectors are used in a variety of application areas, e.g. the laboratory technology, chemical and biological technology, process engineering, pharmaceutical engineering and construction technology.


When tightening the union screw nut, the compression ferrule is deformed by the inside taper of the nut, necking the tube slightly without notching it. The V-shape of the compression ferrule causes a secondary necking point, resulting in a double fixture. The tube is held in place securely without being damaged.

The tube, cut squarely to length, is inserted into the union up to the stop. The union nut is screwed on by hand until a perceptible stop. Tighten down the union nut approximately 1 and 3/4 rotations using an open ended spanner. At the same time, push the tube against the fitting. Hold the fitting with a second wrench. Making a mark on both the fitting and the nut can assist in keeping track of the number of rotations.

Disassembly and reassembly: When unscrewing the nut, the compression ferrule remains on the pipe / hose. When reassembling the same tube union, screw the nut back on by hand until a perceptible stop and tighten down the union nut with an open ended spanner by 1 rotation for the final fit. By following this procedure, the joint becomes leak-proof again. If a fitting that has already been in use is supposed to be connected to a new tube / hose, then at least the compression ferrule must be replaced to ensure a leak-proof joint.

The fittings are compatible with concentric tubes and hoses with a clean, smooth surface and an outside diameter tolerance of ± 0.1 mm.

Technical Specifications

Fittings for Tube-Outer-Ø 4.0 mm consist of modified 6.0 mm fitting bodies without integrated stiffener sleeves, union nuts for 6.0 mm bodies and reduction compression ferrules. All other types contain integrated stiffener sleeves and regular compression ferrules.

Threads of the union nuts:

Tube-Outer-Ø 4.0; 6.0 mm: M10x1

Tube-Outer-Ø 8.0 mm: M12x1

Tube-Outer-Ø 10.0 mm: M14x1

Tube-Outer-Ø 12.0 mm: M16x1

PVDF (Polyvinylidene fluoride)

Excellent chemical resistance combined with good mechanical and thermomechanical properties. Chemically resistant to a wide variety of aggressive media, sunlight and UV radiation.

Complies to FDA 21 CFR 177.2510 (contact with food)

Sterilizable up to +121 °C (material may discolor yellowish at higher temperatures)

Color: nature, milky white

Flammability: according to UL 94 V-0

Temperature range: -40 to +100 °C

Max. operating pressure: 10 bar at +20 °C (safety factor of 3)

Pressure reduction factor: 60 % at +60 °C; 45 % at +80 °C; 25 % at +100 °C

PA 6.6 (Polyamide 6.6)

Polyamide 6.6 offers very good mechanical strength and toughness. The fittings are suitable for a wide variety of applications, however, limitations regarding temperature range and chemical resistance must be taken into account. To be protected from direct UV radiation.

Color: grey

Temperature range: -40 to +80 °C

Max. operating pressure: 10 bar at +20 °C (safety factor of 3)

Pressure reduction factor: 75 % at +40 °C; 50 % at +60 °C; 25 % at +80 °C

Item Image Pipe outside Ø
Werkstoff Einheit
4 1 2,8 41 10 12 PVDF 1 48.00
6 1 2,8 38,5 10 12 PA 6.6 2 30.00
6 1 2,8 38,5 10 12 PVDF 2 58.00
8 1 4,8 44 12 14 PA 6.6 2 34.00
8 1 4,8 44 12 14 PVDF 2 72.00
10 1 6,6 45,5 14 17 PA 6.6 2 42.00
10 1 6,6 45 14 17 PVDF 1 48.00
12 1 8 51,5 17 19 PA 6.6 2 70.00
12 1 8 53 17 19 PVDF 1 72.00
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