Can Plug tee "T" with spigot, type R48 maintain sealing during repeated connections and disconnections?

Yes. Plug tee "T" with spigot, type R48 is designed for repeated connections and disconnections while maintaining sealing on both mechanical and pneumatic sides. Its plastic construction, NBR seals, and specification for vacuum/air service up to 12 bar and temperatures from -20Â°C to +60Â°C indicate it is suitable for multiple assemblies without loss of sealing, provided it is used within those pressure and temperature limits and the mating parts are undamaged and clean.

Is Plug tee "T" with spigot, type R48 suitable for use with vacuum applications down to -20Â°C without seal degradation?

Yes. Plug tee "T" with spigot, type R48 is suitable for vacuum applications down to -20Â°C without seal degradation. The product specification lists vacuum as an approved working medium, an operating temperature range from -20Â°C to +60Â°C, and NBR sealing material; NBR remains effective within that temperature range. Ensure vacuum level and cycle conditions are within the productâs design limits and install per manufacturer guidance to maintain sealing performance.

How does Plug tee "T" with spigot, type R48 perform with different pneumatic tube materials and diameters?

Plug tee "T" with spigot, type R48 performs reliably across a range of pneumatic tube materials and diameters within its specified limits, but performance depends on compatibility with its plastic body, NBR sealing and the systemâs pressure/temperature conditions. Compatibility by tube material: - PVC and PU (polyurethane): Excellent fit and sealing in most cases. These materials are flexible enough to form a tight seal against the spigot and compress the NBR Oâring effectively, maintaining airtight joints up to the stated working pressure (12 bar) and in the -20Â°C to +60Â°C range. - PE (polyethylene): Generally acceptable, though stiffer PE may require careful insertion and proper tube end preparation to avoid leaks. If tube hardness is high, ensure full engagement on the spigot so the NBR seal contacts correctly. - Nylon: Rigid nylon tubes can be more challenging; they may not deform sufficiently for optimal sealing. Use proper clamping, correct insertion depth, or an adapter if needed. Check for microleaks at higher pressures. - Silicone: Soft and flexible silicone seals well at lower pressures but can be less compatible with NBR over time (risk of chemical incompatibility). For continuous use verify longâterm seal integrity. - Metal or composite tubes: Not recommended unless a suitable flexible adapter is used, since the spigot/plug coupling is designed for flexible polymer tubing. Effect of tube diameter: - Correct diameter (matched to the spigot size): Ensures best sealing and mechanical retention. The NBR seal halts leaks and the plastic body withstands up to 12 bar. - Slightly undersized tubes: May not fully engage the spigot; risk of leaks and reduced mechanical retention. - Slightly oversized tubes: May be difficult to insert and could damage the seal or plastic spigot, again risking leaks. - Large diameter within range: If within the manufacturerâs recommended diameters, performance remains good; ensure proper insertion depth and check that the NBR sealing surface makes full contact around the tube circumference. Operational considerations: - Working pressure: Up to 12 bar is supported; for pressures near this limit, confirm tubing rated for the pressure and inspect seals regularly. - Temperature: -20Â°C to +60Â°C. at low temperatures some materials (PVC, PE) stiffen, reducing sealing performance; at high temperatures seal aging accelerates. - Repeated assemblies: Designed for multiple uses without loss of sealing, but longevity depends on tube material hardness, insertion technique, and avoiding cuts/abrasions on the NBR seal. - Vacuum service: Compatible, but ensure tube material and assembly technique prevent collapse of softer tubes under vacuum. Summary: Plug tee "T" with spigot, type R48 works best with flexible polymer tubes (PU, PVC) of the correct diameter, providing reliable mechanical and pneumatic sealing up to 12 bar and within the specified temperature range. Stiffer materials (nylon, some PE) and incompatible elastomers (silicone longâterm) may require adapters, careful installation, or periodic inspection to maintain sealing performance.

Plug tee “T” with spigot, type R48

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Additional information

Material	P – material (plastic)

T-shaped plug coupling “T” with a fitting, type R48, designed for connecting wires 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-2L48001	T-branch connector RL48 hose 4 mm, fitting 4 mm, plastic	-	12	In stock	Enquiry
MW-2L48002	T-branch connector RL48 hose 6 mm, fitting 6 mm, plastic	-	12	In stock	Enquiry
MW-2L48003	T-branch connector RL48 hose 8 mm, stub 8 mm, plastic	-	12	In stock	Enquiry
MW-2L48004	T-branch connector RL48 hose 10 mm, fitting 10 mm, plastic	-	12	In stock	Enquiry

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T-shaped plug coupling “T” with a fitting, type R48, designed for connecting wires 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.