Honeywell American Meter Axial Flow Valve AFV Series City Natural Gas Valve Station Regulator

 Product Overview‌

• ‌Product:‌ Axial Flow Valve (AFV), a flexible element valve.
• ‌Primary Function:‌ Control of natural gas, air, nitrogen, carbon dioxide, propane vapor, other non-corrosive gases, or water over a wide range of flow rates.
• ‌Key Features:‌
  • Streamline flow path for quiet operation.
  • Compact size and light weight.
  • Reversible sleeve.
  • Stainless steel valve cages.
  • Sizes range from 2″ to 12″.

‌Performance Specifications‌

• ‌Pressure Ratings:‌
  • Inlet pressures up to ‌1480 PSIG‌.
  • Outlet pressures from ‌6″ W.C. up to 900 PSIG‌.
  • Differential pressure drops up to ‌1000 PSID‌.
• ‌Temperature Range (Standard):‌ ‌-20°F to 150°F‌ (for standard Hydrin sleeve).
• ‌Maximum Flow Rate:‌ ‌39,000,000 SCFH‌.
• ‌ANSI Class Ratings:‌ Available in Class 300 (740 PSIG) and Class 600 (1480 PSIG) configurations.

‌Sleeve Materials & Temperature Ranges‌
The valve’s performance is heavily dependent on the sleeve material. The document lists several options:

• ‌Hydrin (Standard for 300 Series):‌ -20°F to 150°F.
• ‌Buna N (Standard for 600 Series):‌ 0°F to 150°F. Good chemical resistance.
• ‌Viton:‌ 30°F to 180°F. Excellent chemical resistance.
• ‌Natural Rubber:‌ For water applications only.
• ‌Fluorosilicone Rubber:‌ -20°F to 180°F. Good chemical resistance (limited to 125 PSIG inlet).
• ‌HNBR:‌ 0°F to 150°F. Maximum toughness for Buna applications.

‌Applications‌
The AFV is designed for various control applications, including:

• Pressure reduction
• Relief valve service
• Pressure reduction/monitor combination
• Two-stage pressure reduction (with or without monitor override)
• On/Off flow control
• Underpressure shutoff
• Flow control
• Check valve function

‌Key Components & Options‌

• ‌Control Block Assemblies:‌ Determine the differential pressure needed to operate the valve. Two main types are listed with their operating parameters (Cracking and Full Open pressures):
  • Composite Block Manifold
  • Inspirator Block Manifold
• ‌Pilot Regulators:‌ Multiple series (Z, 60, 1203) are available for different pressure ranges and services (pressure reducing or relief), each with specific outlet pressure ranges and part numbers.
• ‌Capacity Limiter Kits:‌ Available for 2″, 3″, 4″, and 6″ valves to reduce full-open capacity to a predetermined percentage (e.g., 50%, 75%).
• ‌Reduced Capacity Cages:‌ Specifically for 2″ valves (R10, R25, R50 models reduce capacity to 10%, 25%, 50% respectively).
• ‌Ancillary Parts:‌ Lifting plates, centering tubes, and flange separators are listed with part numbers.

‌Capacity Performance Data‌
The document contains extensive ‌capacity tables‌ (in MSCFH and m³/h) for both ‌300 Series‌ and ‌600 Series‌ valves across various set points (e.g., 10, 50, 100, 200, 300, 400, 500, 600, 700 PSIG) and inlet pressures. These tables cover all valve sizes and reduced capacity models, providing critical data for sizing and selection.