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Schneider Electric VB Series VK4-9313-603-5-14

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VK4-9313-603-5-14

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The VK4-9313-603-5-14 is a globe valve assembly designed for three-way mixing applications. Manufactured by Schneider Electric as part of the VB Series, this valve supports a nominal size of 4 inches and boasts a flow coefficient of 170 Cv. It features a pneumatic spring-return actuator equipped with a positive positioner, ensuring precise control of flow rates and mixing ratios.

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Technical specifications for VK4-9313-603-5-14

ManufacturerSchneider Electric
Product TypeGlobe valve assembly (3-way mixing)
Product LineVB Series
Part NumberVK4-9313-603-5-14
Valve Size4 in.
Flow Coefficient (Cv)170 Cv
Actuator TypePneumatic spring-return actuator with positive positioner (MK-6821 plus AK-42309)
Actuator Spring Range8-13 psi
Max. Allowable Differential Pressure35 psi (241 kPa)
ANSI Pressure ClassClass 125
Operating Temperature Range-7 to 138 °C
Body MaterialCast iron
Trim MaterialBronze
Stem MaterialStainless steel
PackingSpring-loaded TFE/EPDM
Actuator Stroke1 in.
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The Schneider Electric VK4-9313-603-5-14 globe valve assembly is engineered for three-way mixing duties, showcasing a robust design capable of serving a multitude of flow control applications. This unit measures 4 inches in diameter, delivering a solid flow coefficient of 170 Cv. Within its assembly, a pneumatic spring-return actuator is integrated with a positive positioner (MK-6821 plus AK-42309), facilitating accurate positioning and flow regulation.

The actuator is designed for use within a spring range of 8 to 13 psi. This allows for strong control in various conditions. With a maximum differential pressure limit of 35 psi (241 kPa), this valve assembly can handle significant pressure fluctuations, making it suitable for demanding environments. It is classified under ANSI Class 125, indicating its reliability in customary service conditions.

Constructed from cast iron, the body is designed for strength, while the trim is made of bronze, known for its corrosion resistance. A stainless steel stem adds durability, and the spring-loaded TFE/EPDM packing ensures effective sealing. The actuator provides a stroke of 1 inch, delivering robust operational characteristics within the specified temperature range of -7 to 138 °C.