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DANIEL VALVES

Model: V707 Series

Spring Loaded Back Pressure Control Valve
• No power required
• No diaphragms or stuffing boxes
• Modular construction: all internal parts, including seat ring, can be removed with the cylinder assembly without disturbing line connections *Line must be drained and valve must be isolated for service.
• 45º body design assures high capacity Positive shut-off, ANSI Leakage Class VI (ANSI B16.105 – 1976)
• Inherently check valve functionality Metal-to-metal seat with protected o-ring
• Full working pressure (ANSI 150, 300 and 600)
• Pilotless
• Tamper-proof set point locking capable.
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Model: 700 Series

External Pilot Operated Liquid Control Valves
• Achieve precise flow rate and batch control with high-performance balanced piston principle, spring-biased design
• Avoid damage due to shock pressure by adjusting closing speed; main piston ensures uniform opening and closing
• Ensure smooth linear action with maximum flow and minimum pressure drop with high-capacity, 45º valve body
• Control pressure from 10 to 1440 psi (60 to 9928 kPa) within ±2 psi (±13.8 kPa) of setpoint
• Safeguard equipment and personnel with positive shutoff (ANSI Class VI) and fail-safe closure upon power loss
• Improve reliability with positive O-ring seal and valve seats that are unaffected by fluid viscosity or pressure drop
• Maximize uptime with all internal parts housed in a cartridge assembly; no need to remove the valve from the line
• Minimize wear-related maintenance with a simple design featuring no diaphragms or stuffing boxes
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Model: 7NL Series

Nitrogen Loaded Liquid Control Valves
• Achieve precise flow rate control on even dirty or viscous products with a balanced piston, spring-biased design
• Avoid damage due to shock pressure with adjustable control of closing speed
• Reduce pressure drop and maintenance compared to axial flow valves with high-capacity, 45º piston operation
• Safeguard equipment and personnel with positive shutoff (ANSI Class VI) and fail-safe closure upon power loss
• Lower operating costs with no nitrogen gas consumption
• Maximize uptime with all internal parts housed in a cartridge assembly; no need to remove the valve from the line
• Minimize wear-related maintenance with a simple design featuring no diaphragms or stuffing boxes
• Ensure high integrity with threaded seat rings on all valve sizes
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Model: 788 Series

Digital Control Valves
• Effective planning and execution of maintenance and product lifecycle strategies is essential to meeting production and metering targets, and keeping costs low. The right mix of maintenance activities will help you operate safely, consistently and economy
• Avoid damage due to shock pressure with adjustable control of closing speed
• Reduce pressure drop and maintenance compared to axial flow valves with high-capacity, 45º piston operation
• Control pressure from 60 to 9928 kPa (10 to 1440 psi) within ±13.8 kPa (±2 psi) of setpoint
• Improve reliability with positive O-ring seal and valve seats not affected by fluid viscosity and pressure drop
• Protect equipment and personnel with positive shutoff (ANSI Class VI) and fail-safe closure upon power loss
• Maximize uptime with all internal parts housed in a cartridge assembly; no need to remove the valve from the line
• Minimize wear-related maintenance with a simple design featuring no diaphragms or stuffing boxes
Download Catalog