Self-operated after-valve pressure regulator valve

Self-operated after-valve pressure regulator valve

The Self-operated after-valve pressure regulator valve ARL is composed of a control valve, an actuator, and a spring used for pressure setting. This valve is specifically designed for controlling after-valve pressure in pipes carrying non-corrosive liquids, gases, and vapors. When the after-valve pressure rises above the set point, the control valve automatically closes to maintain stability. Incorporating the Self-operated after-valve pressure regulator valve ARL into your system ensures efficient, energy-saving pressure regulation without the need for external power sources.

Key Features:

• Self-Operated Functionality: Utilizes the energy of the medium being regulated to operate, eliminating the need for external energy sources.
• Advanced Trim Design: Features a cage-guided, balanced trim for stable performance and quick open flow characteristics.
• Versatile Actuation: Available with both diaphragm and piston actuators (self-operated) to suit various application requirements.
• Leakage Control: Offers high-standard leakage classes including ASME B16.104 V (soft seal) and IV (hard seal).
• Robust Body Options: Available in multiple materials including Cast iron (HT200), cast steel (ZG230-450), and various grades of cast stainless steel.

Technical Specifications:

• Size Range: DN15 – DN300 (1/2” – 12”)
• Pressure Classes: PN1.6, PN2.5, PN4.0, PN6.4 MPa; ANSI 150 – 600LB
• Temperature Range: Standard options ranging from -30°C to 250°C (extended range up to 350°C available)
• Body Type: Straight-through type with standard bonnet
• Pressure Setting Range: Wide range selection from 15 to 2500 Kpa
• Performance Accuracy: Set value error within ±5% to ±8%
• Material Construction:
• Diaphragm: NBR, EPR, fluorine rubber, or oil-resistant rubber
• Stem/Plug: Stainless steel (1Cr18Ni9Ti, 1Cr18Ni12Mo2Ti)
• Pressure Balancing: Stainless steel bellows
• Connection Type: Flange type (Standard JB/T79.1-94, 79.2-94)

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ARAB LAND Solutions, Musaffah – Mussafah 32/1 – Abu Dhabi, UAE.

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