Pneumatic Angle Control Valve

Product Overview

The Pneumatic Angle Control Valve is a high-performance flow control solution designed for precise regulation of fluids in high-pressure drop and erosive applications. Featuring a compact angle body design and a diaphragm-style pneumatic actuator, it ensures reliable operation in demanding environments such as steam systems, power plants, and chemical processing units. Its unique geometry minimizes turbulence and erosion, making it ideal for applications with high ΔP and particulate-laden media.

Applications

Steam Systems: High-pressure steam letdown and desuperheating.

Power Generation: Feedwater control and turbine bypass.

Chemical Processing: Erosive slurry control and abrasive media handling.

Oil & Gas: Choke valve applications in wellhead control.

Key Features

Pneumatic Diaphragm Actuator

• Types: Spring-return (fail-safe) or double-acting.
• Air Supply: 0.2–0.6 MPa (30–90 psi), response time <3 seconds.
• Explosion-Proof Certification: ATEX II 2G Ex d IIC T6 / IECEx (Zone 1 compliant).
• Diaphragm Material: EPDM, Nitrile, or Viton (temperature range: -40°C to 150°C).

Angle Valve Design

• Body Geometry: 90° angle design for reduced turbulence and erosion.
• High Sealing Performance: ANSI Class IV (standard) / Class VI (optional).
• Pressure Drop Handling: Suitable for ΔP up to 15 MPa.

Flow Characteristics

• Trim Options: Multi-stage anti-cavitation, parabolic, or standard trim.
• Flow Coefficient (Cv): 5.6–320 (DN20–DN150).
• Customizable Flow Curves: Tailored to specific process requirements.

Materials & Durability

• Body Materials: Carbon steel (WCB), 316L Stainless Steel (CF8M), Duplex (UNS S32205).
• Trim Materials: Stellite 6, Tungsten carbide, or ceramic coating.
• Seals: Graphite, PTFE, or metal bellows (-196°C to 550°C).

Compatibility

• Signal Input: 4–20 mA, 0.2–1.0 bar pneumatic signals.
• Communication Protocols: HART 7 / Modbus RTU.
• Accessories: Positioners, solenoid valves, limit switches.

Comparison with Globe Control Valves

Selection Guidelines

High ΔP: Opt for multi-stage anti-cavitation trim.

Erosive Media: Choose tungsten carbide or ceramic trim.

High Cycling: Rotary seat design for 100,000+ cycles.

Cryogenic Service: Extended bonnet for LNG applications.