Can Through elbow, type R21 be used with vacuum applications and maintain sealing at working pressures up to 12 bar across -20Â°C to +60Â°C?

Yes. Through elbow, type R21 can be used in vacuum applications and maintain sealing at working pressures up to 12 bar across the temperature range â20Â°C to +60Â°C. The product description specifies vacuum and air as suitable media, a working pressure of 12 bar, an operating temperature range of â20Â°C to +60Â°C, and NBR sealing.confirming suitability for those conditions.

Is Through elbow, type R21 compatible with different pipe materials while maintaining NBR sealing up to 12 bar?

Through elbow, type R21 Format is compatible with different pipe materials as long as the pipe dimensions and fitting method match the coupling design. The product description specifies NBR sealing and a working pressure up to 12 bar, so NBR will maintain sealing integrity within the stated temperature range (â20 Â°C to +60 Â°C) and pressure for typical media (air, vacuum). Ensure the mating pipe material does not chemically attack NBR and that pipe surface/diameter allow proper mechanical engagement; otherwise sealing performance can be compromised. For aggressive chemicals, higher temperatures, or nonstandard pipe dimensions, verify compatibility with the manufacturer.

Does Through elbow, type R21 maintain sealing with air and vacuum when repeatedly assembled/disassembled?

Yes. Through elbow, type R21 maintains sealing with both air and vacuum when repeatedly assembled and disassembled. The Straight coupling, type R21 description states it is designed for easy and quick multiple assemblies without loss of sealing on the mechanical and pneumatic sides. Materials and specs that support this include NBR sealing, suitability for vacuum and air, working pressure up to 12 bar, and operation from â20Â°C to +60Â°C. These characteristics indicate reliable repeated assembly/disassembly performance while preserving seals.

Through elbow, type R21

All products, Push-in fittings/

Additional information

Material	P – material (plastic)

Straight coupling, type R21, designed for connecting pipes and other components in pneumatic systems. Easy and quick to use for multiple assemblies without loss of sealing on the mechanical and pneumatic sides. Material: plastic. Working pressure: 12 bar. Working medium: vacuum, air. Operating temperature: from -20°C to +60°C. Sealing: NBR.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
MW-2021002	Angle connector (elbow) R21 hose 5 mm - hose 5 mm, plastic	-	12	In stock	Enquiry
MW-2021005	Angle connector (elbow) RL21 hose 10 mm - hose 10 mm, plastic	-	12	In stock	Enquiry
MW-2021006	Angle connector (elbow) RL21 hose 12 mm - hose 12 mm, plastic	-	12	In stock	Enquiry
MW-2L21001	Angle connector (elbow) RL21 hose 4 mm - hose 4 mm, plastic	-	12	In stock	Enquiry
MW-2L21003	Angle connector (elbow) RL21 hose 6 mm - hose 6 mm, plastic	-	12	In stock	Enquiry
MW-2L21004	Angle connector (elbow) RL21 hose 8 mm - hose 8 mm, plastic	-	12	In stock	Enquiry

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Straight coupling, type R21, designed for connecting pipes and other components in pneumatic systems. Easy and quick to use for multiple assemblies without loss of sealing on the mechanical and pneumatic sides. Material: plastic. Working pressure: 12 bar. Working medium: vacuum, air. Operating temperature: from -20°C to +60°C. Sealing: NBR.