Reduce cutting / compression coupling with 6-point, stainless steel

 

Description

 

Type of stainless steel

 

 

Materials

Body: Galvanized steel or available elastomer seal: NBR

 

Temperature range:

-40 °C to max. +120 °C (with elastomer seal: -35 °C to max. +100 °C)

 

Stainless Steel Type & NC Coupling

 

 

Materials

Body: 1.4571, any available elastomer seal: FKM

 

Temperature range:

-60 °C to max. +400 °C (with elastomer seal: -20 °C up to max. +200 °C, NC couplings up to +550 °C on request)

 

Montage Schneidringverschraubungen und NC-Klemmringverschraubungen

1) Cut the pipe in a rectangular way and deburr and clean the inside and outside. Do not use a tube cutter. For thin-walled or soft pipes, use a reinforcement sleeve.

2) Lubricate the support thread and cone, union nut inside and cutting ring well with oil. Always use PASTE ES for stainless steel cutting ring couplings (optional for NC couplings).

3) Slide union nut and cutting ring onto tube. Observe the correct position of the cutting ring/NC clamping ring - otherwise it will be mounted incorrectly.

4) Tighten the union nut by hand as far as possible. Mark the union nut to check the specified speed. Press the tube into the cone as far as it will go – otherwise no cutting operation can be performed. Tighten the union nut with wrench by approx. 1 revolution (DIN cutting ring coupling), or approx. 1 1/4 revolutions (NC clamping ring coupling). Tube should not rotate.

5) Loosen the union nut to check the mounting load. Cutting ring: The raised tube material should cover the front cutting ring faces. If not, tighten a little more. Due to the spring action of the cutting ring, it can still rotate, this is not an error. NC clamping ring: The clamping ring should no longer move. Final assembly: Install the union nut on supports until there is a noticeable increase in strength. Then tighten with 1/2 revolution (DIN cutting ring coupling) or 1/4 revolution (NC clamping ring coupling).

6) End montage: Überwurfmutter auf Stutzen bis zum merklichen Kraftanstieg montieren. Danach mit 1/4 - 1/2 Drehung (Schneidringverschraubung), bzw. 3/4-Drehung (NC-Klemmringverschraubung) festziehen.

 

Please note:

Installation of stainless steel couplings only using suitable lubricants.

 

Hinweise zu NC-Klemmringverschraubungen

 

 

Advantages:

• Compatible with any cutting ring coupling in accordance with DIN EN ISO 8434-1 (DIN 2353). • Can also withstand dynamic loads such as vibrations and pulsations. • Can be unscrewed and re-tightened as many times as desired. • Unlike a cutting ring, the NC clamping ring is not hardened, so it cannot rust and has good chemical resistance. • Lubrication of the threads of the nut is not necessary during initial assembly due to a silver coating., •Vacuum density Q< 10^8 mbar l/>, •Ideal for use in the gas and water industry

 

Benötigte Rohrqualität:

The couplings must be machined with heat-treated, seamless stainless steel pipes (1.4571) in accordance with DIN EN ISO 1127. The tolerance class must be D4/T3, the surface must not be damaged and the hardness must not exceed Rockwel HRB 90.

 

Note: Please note the following:

When using different series, the clutch may only be loaded with the operating pressure of the light series.