RX® PTFE expansion bellows

PTFE bellows are used where the chemical properties of other materials are not sufficient. They have applications in the (petro)chemical industry for the absorption of expansion and/or vibrations and as flexible connections in PTFE and glass-lined piping systems.

Advantages with the use of PTFE bellows:

• Resistant to chemicals with the exception of fluorine compounds, halogens and liquid alkali metals.
• The PTFE is collared at the flanges so the metal flanges do not come into contact with the medium.
• Useable from -70 to +240 °C.
• With a metal jacket also suitable for high pressures at high temperatures.
• Insensitive to many movements, material does not so quickly fatigue.
• Designed as standard with tie rods.
  

Name	Photo	Construction	Flanges
RX® 1002 white (45kB)		Design with two waves	Steel RSt 37.2 designed as standard with tie rods drilled according to DIN 2501 PN10 also available with ANSI flanges
RX® 1002 black (44kB)		Design with two waves	Steel RSt 37.2 designed as standard with tie rods drilled according to DIN 2501 PN10 also available with ANSI flanges
RX® 1003 white (45kB)		Design with two waves	Steel RSt 37.2 designed as standard with tie rods drilled according to DIN 2501 PN10 also available with ANSI flanges
RX® 1003 black (44kB)		Design with two waves	Steel RSt 37.2 designed as standard with tie rods drilled according to DIN 2501 PN10 also available with ANSI flanges
RX® 80 R-HD (45kB)		Absorption of expansion and/or vibrations Feeding of chemicals at a high pressure (max. 16 bar at 50°C)	Carbon steel (GGG 40). Drilled according to DIN PN10/16. Also available in stainless steel. and according to ANSI drilling
RX® 902 (44kB)		Design with two waves	Steel RSt 37.2 designed as standard with tie rods drilled according to DIN PN10 also available with DIN PN6, PN16 flanges or ANSI flanges
RX® 903 (45kB)		Design with three waves	Steel RSt 37.2 designed as standard with tie rods drilled according to DIN PN10 also available with DIN PN6, PN16 flanges or ANSI flanges
RX® 905 (45kB)		Design with five waves	Steel RSt 37.2 designed as standard with tie rods drilled according to DIN PN10 also available with DIN PN6, PN16 flanges or ANSI flanges
RX® 954 PN16 (51kB)		Feeding of chemicals where a high pressure is combined with a high temperature or optimal safety provisions are required Absorption of axial movements, also for use in constructions as lateral or hinging bellow	Steel RSt. 37.2 Drilled according to DIN PN10/16 Also available with ANSI flanges
RX® 958 PN25 (50kB)		Feeding of chemicals where a high pressure is combined with a high temperature or optimal safety provisions are required Absorption of axial movements, also for use in constructions as lateral or hinging bellow	Steel RSt. 37.2 Drilled according to DIN PN25 Also available with ANSI flanges
RX® 959 (39kB)		Two-part bellow, specifically for vacuum applications	Steel RSt. 37.2 Drilled according to DIN PN10 Also available with ANSI flanges