Fire Nozzle – H500 Automatic

Made in the UK

The Delta H500 Automatic was one of the first fire nozzles manufactured by Delta more than 25 years ago and is still as relevant today as it was when it was first introduced. Providing a combination of automatic pressure and flow control the H500 is truly effortless when operating with high pressure hose reels.

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The hydrostatically assisted stainless steel slide valve enables ease of open and shut-off even at 40 bar pressures making it the perfect choice for ‘pulsing’ techniques when cooling hot gasses. The H500 stabilises varying pressures to give constant tip pressure maximising water use without the need for constant adjustment. Manufactured in the UK the H500 Automatic is designed to provide exceptional performance from within a compact, lightweight, incredibly durable frame. Combining quality materials and precision engineering ensures the very best in reliability, low maintenance and long-term value for money. The H500 is an excellent multi-purpose nozzle suited for use across a wide range of firefighting scenarios and is still today the nozzle of choice for many professional Fire & Rescue Services. Fitted as standard with a BSP female threaded inlet the H500 is compatible for use with a wide range of International adaptors.

Description

The hydrostatically assisted stainless steel slide valve enables ease of open and shut-off even at 40 bar pressures making it the perfect choice for ‘pulsing’ techniques when cooling hot gasses. The H500 stabilises varying pressures to give constant tip pressure maximising water use without the need for constant adjustment. Manufactured in the UK the H500 Automatic is designed to provide exceptional performance from within a compact, lightweight, incredibly durable frame. Combining quality materials and precision engineering ensures the very best in reliability, low maintenance and long-term value for money. The H500 is an excellent multi-purpose nozzle suited for use across a wide range of firefighting scenarios and is still today the nozzle of choice for many professional Fire & Rescue Services. Fitted as standard with a BSP female threaded inlet the H500 is compatible for use with a wide range of International adaptors.

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FAQs

The H500 Automatic is a UK manufactured professional firefighting nozzle designed for high pressure hose reel and mainline applications. It features automatic pressure and flow control, allowing it to maintain consistent performance even when inlet pressure fluctuates. It is part of Delta Fire’s long established H500 series, widely used in structural and industrial firefighting.

The H500 Automatic is designed for high pressure hose reel use and can operate at very high pressures, with performance stability across varying inlet conditions. It uses a hydrostatically assisted stainless steel slide valve to maintain constant tip pressure and also enables safe operation even at elevated pressures, including pulsing techniques used for gas cooling. In practical firefighting use, it is commonly associated with low pressure stabilisation at the nozzle tip while handling fluctuating system pressures, ensuring a consistent stream without constant adjustment.

The H500 Automatic is designed for multi purpose operational use, including: High pressure hose reel firefighting Structural firefighting and interior attack Gas cooling and hot gas layer control using pulsing techniques Industrial fire risk environments Marine and offshore firefighting applications Its compact, lightweight design and automatic flow stabilisation make it particularly effective in environments where conditions and pressures can change quickly.

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