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Daniel Series 700 Nitrogen Loaded Liquid Control Valves

Ideal for surge relief and back pressure control, high-performance

Daniel™ Series 700 Nitrogen-Loaded Control Valves (Models 762, 763, 765, 766 and 767) are engineered

to instantaneously respond to pipeline surges and pressure to protect personnel and mitigate equipment damage.

The rugged, reliable valves offer linear control and high flow capacity to accurately monitor maximum pipeline pressure or

to maintain minimum back pressure. The valves have no external pilot controls and the cylinder,

piston and seat ring can be removed as a cartridge assembly to simplify maintenance and minimize downtime.

Specifications

Line Size

DN50 to DN400 (2-in to 16-in)

Fluid Type

Liquid

Operating Temperature Range

-26°C to +205°C (-15°F to +400°F)

Operating Pressure Range

ANSI 150 to 600

Materials: Valve Body

Carbon Steel, ASTM A352 GR LCC

Materials: 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

Materials: Valve Piston

Standard: Stainless Steel

Materials: Seat Ring

DN50 to DN200 (2-in to 6-in) Stainless Steel; DN300 to DN400 (8-in to 16-in) Carbon Steel, Nickel Coated

Materials: O-Rings

Standard: Viton Dynamic and Buna-N Static; Optional: Neoprene, EPR, Viton GFLT, all Buna-N AP (Aggressive Products)

Features

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, 45° 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

Van Điều Khiển Series 700 - Emerson Việt Nam