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The VK4-7313-303-4-8 from Schneider Electric is a 3-way globe valve assembly coupled with a pneumatic actuator. This component utilizes an MK-4621 actuator featuring a pneumatic spring return mechanism and a positive positioner for enhanced control.
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| Manufacturer | Schneider Electric |
|---|---|
| Product Type | 3-Way Globe Valve Assembly with Pneumatic Actuator |
| Product Line | VB Series |
| Part Number | VK4-7313-303-4-8 |
| Actuator Model | MK-4621 (pneumatic spring return actuator with positive positioner) |
| Effective Diaphragm Area | 11 sq in. |
| Operating Temperature Range | -29°C to 104°C |
| Storage Temperature Range | -40°C to 104°C |
| Nominal Spring Range | 10-13 psig |
| Air Supply Pressure | 30 psig maximum |
| Actuator Stroke | 1/2 in. nominal |
| Flow Coefficient (Cv) | 14 Cv |
| Valve Connection Size | 1 in. NPT threaded |
| Valve Action | 3-Way Mixing |
| Valve Body Material | Bronze body, brass plug, stainless steel stem |
| Valve Linkage | AV-401 |
| Actuator Housing | Die-cast aluminum |
The VK4-7313-303-4-8 from Schneider Electric integrates a 3-way globe valve assembly complemented by a pneumatic actuator. Serving in mixing applications, this assembly features an MK-4621 actuator noted for its spring return functionality and positive positioner, which supports precision in valve operation. With an effective diaphragm area of 11 square inches, it ensures responsive action across a variety of applications.
Built to endure harsh conditions, this valve assembly operates efficiently between -29°C and 104°C during regular use, and it remains suitable for storage under conditions as extreme as -40°C to 104°C. The actuator stroke is nominally measured at 1/2 inch, facilitating effective control of flow dynamics.
The valve exhibits a flow coefficient of 14 Cv, allowing for efficient fluid management through its designed pathways. The connection size is designed to accommodate 1 inch NPT threaded fittings, ensuring compatibility with common piping configurations. The robust assembly is crafted from durable materials, featuring a bronze body, a brass plug, and a stainless steel stem, which collectively enhance its resilience and longevity.
The actuator housing is constructed from die-cast aluminum, contributing to both the strength and the lightweight nature of the assembly. The nominal spring range is set between 10-13 psig, and the maximum air supply pressure is capped at 30 psig, delivering reliable operation in pneumatic applications. This product exemplifies practicality and durability, providing effective solutions for diverse industrial mixing requirements.