Small Linear Valves For Modulating And On/Off Control In Hydronic Systems.pdf

VSxF-2-3-4.pdf
Preview of Small Linear Valves for Modulating and On/Off Control in Hydronic Systems
🔗 Source: honeywellco.com
📊 Size: 329 KB
👤 Author: e671781
⬇️ Downloads: 47

Summary

Key Features:

Compact Size: Ideal for spaces with limited room.
Long Stroke: Provides high quality flow characteristics.
Low Leakage Rate: Ensures reliable performance even at low pressures.
Wide Pressure Rating Range: PN16 rating, adaptable to various applications.
Integrated Actuator Linkages: Models available for MT-series thermal actuators.
Standardized Opening Direction: A-AB modified equal % (3-way) or stem down to open (2-way).
Bypassing Capability: Some models offer a bypass feature for hydronic balancing.

Valve Types:

Two-Way (VSxF-2): Spring-loaded, closes port A to B when actuated.
Three-Way (VSxF-3): Spring-loaded, closes port A to AB when actuated.
Four-Way (VSxF-4): Similar to three-way but with a bypass feature.

Modulating and On/Off Control:

Modulating Valves (VSMF): Adjust flow based on temperature.
On/Off Valves (VSOF): Provide full or no flow, switching between two pressure levels.

Key Performance Specifications:

Flow Capacities (kVS): 0.16 to 8.0 m/h, depending on model and size.
Close-Off Pressures: Varies by model and actuator type, ranging from 300 kPa to 600 kPa.
Leakage Rate: As low as 0.02% of kVS.
Port Connections: Flat sealing connections in standard sizes.
* Material: Valve Body: Brass (Dezincification-resistant yellow brass), Stem: Stainless Steel, Plug: Brass.

Description

Small linear valves (VSxF-2/-3/-4) for modulating and on/off control of hot/chilled water in fan coil units and small heaters/coolers. Key features include compact size, long stroke, soft seat for low leakage, high close-off pressure, and dezincification-resistant yellow brass construction.

Technical Information

  • File Format: PDF
  • File Size: 329 KB
  • Pages: 8
  • Language: EN
  • Author: e671781
  • Total Downloads: 47
  • Last Updated: 1 month ago

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