Pilot-operated pressure regulator After-valve control

Pilot-operated pressure regulator After-valve control

The Pilot-operated pressure regulator ARL-After-valve control is a sophisticated system composed of a control valve, actuator, and a dedicated pilot used for precise pressure setting. It is specifically designed for controlling differential pressure within pipelines carrying non-corrosive liquids, gases, and vapors. This regulator functions by automatically closing the control valve whenever the after-valve pressure rises. By integrating the Pilot-operated pressure regulator ARL-After-valve control into your system, you ensure stable pressure management through its specialized pressure-balanced structure and modular design.

Key Features:

• Pressure Balanced Structure: Built-in bellows provide a pressure-balanced design for high sensitivity and accurate control.
• Maintenance-Free Performance: Compact structure designed for reliable, long-term operation without frequent maintenance.
• Standard Modular Design: Utilizes a standard modular approach, allowing for various combined controls through different assemblies.
• Versatile Actuation: Supports both diaphragm and piston actuators (self-operated) to suit specific application needs.
• Quick Response: Features a “quick open” flow characteristic for efficient pressure regulation.

Technical Specifications:

• Size Range: DN15–300 (1/2”–12”)
• Pressure Class: PN1.6, 4.0Mpa (ANSI 150, 300LB)
• Body Materials: WCB, CF8, CF8M, CF3M
• Body Type: Straight-through type
• Bonnet Type: Standard type and heat dissipation type
• Applicable Temperature Range: -30°C to 350°C (depending on seal and cooling configuration)
• Leakage Class: ASME B16.104 V (soft seal) and ASME B16.104 IV (hard seal)
• Pressure Setting Range: 0.01~0.12, 0.08~0.25, 0.2~0.5, 0.45~1, 0.6~2.0
• Pipe Connection: Flange type
• Set Value Error: ±4%

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