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Series 700 Control Valves

Series 700 External Pilot Control Valve

Line Size DN50 to DN400 (2-in to 16-in)
Fluid Type Liquid
Operating Temperature Range -29º C to +66º C (-20º F to +150º F)
Operating Pressure Range ANSI 150 to 600
Materials of Construction • Valve Body: Carbon Steel, ASTM A352 GR LCC
• Valve Cylinder: DN50 to DN 200 (2-in to 4-in): Stainless Steel, ANSI 150 to 600; DN250 to DN 400 (6-in to 16-in) Carbon Steel, Nickel Coated, ANSI 150 to 600
• Valve Piston: Standard: Stainless Steel
Materials of Construction • Seat Ring: DN50 to DN200 (2-in to 6-in) Stainless Steel; DN300 to DN400 (8-in to 16-in) Carbon Steel, Nickel Coated
• O-Rings: Standard: Viton; Optional: Neoprene, EPR, Viton, all Buna-N, Kalrez / Teflon AP (Aggressive Products)

Daniel Series 700 pilot-operated and nitrogen-loaded liquid control valves deliver precise flow control of petroleum products. This valve ensures smooth linear action, uniform response speed and positive sealing for your application.

CRT Measurement Services is an authorized service provider for Daniel Measurement and Control, so we offer access to these globally trusted industrial pilot and nitrogen-loaded control valves. The oil and gas industry can depend on these valves for precision flow control.

Features of Pilot-Operated Control Valves for Liquids

Daniel Series 700 pilot-operated liquid control valves are versatile and cost-effective solutions for petroleum applications. These valves enable a single valve body to be equipped with external pilots. This capability means one valve can serve multiple functions. You can change and modify the pilot arrangements anytime to adjust valve capabilities as your operations require.

Some features of Daniel industrial pilot control valves include:

  • Linear valve action for maximum flow with minimal pressure drop
  • Basic valve body and internals with no stuffing boxes or diaphragms
  • Positive pressure type sealing with an O-ring seal that is unaffected by pressure drops and fluid viscosity
  • Leakproof performance due to contoured piston edges

Benefits of High-Pressure Pilot Control Valves for Your Operations

Series 700 external pilot control valves by Daniel Measurement and Control offer the following advantages:

  • Simple maintenance: The construction of these valves allows all the internal parts to be removed without impacting the connections or valve body. This design makes maintenance easier to complete. No diaphragms or stuffing boxes also reduce wear-related maintenance.
  • Equipment and personnel safety: The positive shut-off (ANSI Class VI) and fail-safe closure when power is lost keep your machinery and team safe from leaks.
  • Maximized uptime: All internal components are housed in a cartridge assembly. You do not need to remove the valve from the line.

Industrial Pilot Control Valve Applications

The high-pressure pilot control valves are used for precise flow control for petroleum products. Specific applications include:

  • Pump control
  • Blending
  • Pipeline control
  • Flow rate control

You can install these valves horizontally or vertically, with the flow directed upward.

Get Started With CRT Measurement Services Today

CRT Measurement Services works with the oil and gas industry to provide quality-made control valves like the Series 700 external pilot control valve. With our products and services, you can gain reliable solutions for flow control applications.

Contact us today for more information about pilot-operated control valves for liquid applications. We can assist you with virtually any control or measurement requirement.

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