What is the recommended inlet pressure range for the High Pressure Air Reducing Valve 60 bar with Gauge, DN20 to ensure stable outlet pressure?

For stable outlet pressure with the High Pressure Air Reducing Valve 60 bar with Gauge, DN20, maintain the inlet (supply) pressure below the valve’s maximum supply rating and sufficiently above the desired outlet to allow proper regulation. Practically, use an inlet pressure up to 60 bar (the valve’s rated max), but for best stability keep inlet pressure steady and not subject to large drops—ideally within about 4 bar above the set outlet pressure under expected flow conditions (e.g., the datasheet example uses inlet 20 bar with Δp = 4 bar). In summary: maximum allowable inlet = 60 bar; for stable regulation, ensure inlet stays consistently above the set outlet by approximately 4 bar (adjust margin as needed for higher flows).

How do I size the High Pressure Air Reducing Valve 60 bar with Gauge, DN20 for required flow rates up to 5000 l/min while maintaining stable outlet pressure?

To size the High Pressure Air Reducing Valve 60 bar with Gauge, DN20 for flows up to 5000 l/min while keeping stable outlet pressure, follow these steps: 1. Confirm operating conditions: - Max inlet pressure ≤ 60 bar. - Required outlet pressure within available ranges: 0.5–12, 1–20, 2–35, or 3–50 bar. - Operating temperature -10°C to +90°C. 2. Match flow capacity: - The valve’s stated capacity is 5000 l/min at inlet 20 bar with Δp = 4 bar. For your peak flow of 5000 l/min ensure inlet pressure and allowable pressure drop meet or exceed these conditions. - If inlet pressure < 20 bar or required Δp different, recalculate available flow using valve characteristic (use manufacturer Cv/Kv data if available) or consult manufacturer. 3. Ensure sufficient inlet pressure margin: - Maintain inlet pressure high enough so that, after regulator drop and downstream demands, the valve can hold set outlet pressure. For high outlet setpoints near the valve’s upper adjustable limit choose the appropriate pressure range (e.g., 3–50 bar for higher setpoints). 4. Check pressure drop and stability: - Keep Δp across the valve within tested range (example given Δp = 4 bar). Excessive pressure drop or too small drop can cause instability. If system has large dynamic swings, consider adding a surge tank, a downstream accumulator, or a pilot-operated regulator for improved stability. 5. Connections and monitoring: - Use BSP 1" female connection and implement proper tubing to minimize additional pressure losses. Monitor with integrated Ø63 mm manometer and place pressure gauges upstream/downstream for diagnostics. 6. Safety and verification: - Include safety relief/protection devices on the downstream side per system requirements. Perform bench or on-site testing at expected inlet pressures and flow transients to verify stable outlet control at 5000 l/min. If your inlet pressure or allowable Δp differ from the given 20 bar/4 bar example, provide those numbers so Cv/Kv-based calculations or manufacturer confirmation can be performed.

High Pressure Air Reducing Valve 60 bar with Gauge, DN20

Air preparation elements (FRL), All products/

Additional information

Maximum operating temperature [°C]	90

The high-pressure piston-type pressure reducing valve DN20 with integrated manometer is a reliable solution designed to maintain stable working pressure and guarantee safe, efficient operation of connected installations, even under fluctuating medium consumption. Manufactured from durable brass, it ensures long-lasting performance and resistance to demanding operating conditions. The valve offers a wide adjustable outlet pressure range of 0.5–12, 1–20, 2–35, or 3–50 bar, withstanding supply pressures up to 60 bar and operating temperatures from -10°C to +90°C. Equipped with a BSP 1″ female threaded connection and a Ø63 mm manometer dial, it allows precise monitoring and easy installation. With an impressive flow capacity of 5000 l/min at an inlet pressure of 20 bar and Δp = 4 bar, this valve is ideal for industrial systems requiring high efficiency, reliability, and precise pressure control. Its robust design and versatile performance make it a perfect choice for ensuring optimal functionality and protection of various technological processes.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
EW-302393	Reducer 60 bar DN 20, 1" BSP thread, with pressure gauge, 0.5 ÷ 12 bar	-	-	In stock	Enquiry
EW-302394	Reducer 60 bar DN 20, GW 1" BSP, with pressure gauge, 1 ÷ 20 bar	-	-	In stock	Enquiry
EW-302395	Reducer 60 bar DN 20, GW 1" BSP, with pressure gauge, 2 ÷ 35 bar	-	-	In stock	Enquiry
EW-302396	Reducer 60 bar DN 20, GW 1" BSP, with pressure gauge, 3 ÷ 50 bar	-	-	In stock	Enquiry

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The high-pressure piston-type pressure reducing valve DN20 with integrated manometer is a reliable solution designed to maintain stable working pressure and guarantee safe, efficient operation of connected installations, even under fluctuating medium consumption. Manufactured from durable brass, it ensures long-lasting performance and resistance to demanding operating conditions. The valve offers a wide adjustable outlet pressure range of 0.5–12, 1–20, 2–35, or 3–50 bar, withstanding supply pressures up to 60 bar and operating temperatures from -10°C to +90°C. Equipped with a BSP 1″ female threaded connection and a Ø63 mm manometer dial, it allows precise monitoring and easy installation. With an impressive flow capacity of 5000 l/min at an inlet pressure of 20 bar and Δp = 4 bar, this valve is ideal for industrial systems requiring high efficiency, reliability, and precise pressure control. Its robust design and versatile performance make it a perfect choice for ensuring optimal functionality and protection of various technological processes.