Is the Brass Quick Connector Plug with GW BSP, QN-FR suitable for both hot and cold water systems up to 16 bar?

Yes. The Brass Quick Connector Plug with GW BSP, QN-FR is suitable for both hot and cold water systems up to 16 bar. Made from high-quality brass with EPDM sealing, it offers corrosion resistance, durable performance under demanding conditions, and a leak-free connection. The knurled surface ensures secure grip and easy installation, making it appropriate for a wide range of professional and domestic water installations.

Can the Brass Quick Connector Plug with GW BSP, QN-FR maintain EPDM sealing integrity at elevated water temperatures over prolonged use?

Yes — the Brass Quick Connector Plug with GW BSP, QN-FR can maintain EPDM sealing integrity at elevated water temperatures over prolonged use, with some practical limits. Why: The product description specifies EPDM sealing and states it is intended for both cold and hot water systems. EPDM is a rubber compound known for good heat, water and steam resistance, and when paired with a high-quality brass body and a robust design (16 bar working pressure, corrosion-resistant brass), it supports long-term, leak-free performance in typical hot-water applications. Practical considerations: - Typical EPDM service temperatures: roughly -40°C to +120°C; performance and lifetime decline closer to the upper limit. If your system stays within common domestic/industrial hot-water temperatures (e.g., up to ~90–100°C), the seal should remain effective for prolonged use. - Pressure and chemistry: the 16 bar rating is appropriate, but aggressive chemicals, chlorinated water, or unusually high mineral content can accelerate aging. - Operating profile: continuous exposure at the EPDM upper-temperature limit, plus high pressure, shortens seal life compared with moderate temperatures and intermittent use. - Maintenance: periodic inspection and replacement as part of preventive maintenance will maximize reliability. Conclusion: For normal hot-water systems and typical temperatures, the Brass Quick Connector Plug with GW BSP, QN-FR will maintain EPDM sealing integrity over prolonged use. For sustained temperatures near or above ~100–120°C, aggressive fluids, or critical applications, verify EPDM suitability or consider alternative elastomers or consult the manufacturer for detailed temperature/chemical compatibility and expected lifetime data.

Plug quick coupling with a female BSP thread, brass, QN-FR

All products, Quick couplings for water/

Additional information

Material	B – brass (bronze)

Plug quick coupling with thread internal BSP, knurled, intended for cold and hot water. Material: brass. Working pressure: 16 bar. sealing: EPDM.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
ABB-QN-FR-04	Quick coupling plug with 1/4" BSP female, brass	-	16	In stock	Enquiry
ABB-QN-FR-06	Quick coupling plug with 3/8" BSP female, brass	-	16	In stock	Enquiry
ABB-QN-FR-12	Quick coupling plug with 3/4" BSP female, brass	-	16	In stock	Enquiry