VK4-8303-602-5-12
VB: 2-1/2 in, 3W Mix/Div, Globe, FLG, UC, BR, See doc for cv, 35 PSI; Act (MK-6811): Pneu, Prop, 5-10 PSIG, SR, Air NPT, Linear, N1, PP
2-1/2″ 3-Way, Pneumatic, w/MK-6811 & AV-497 (5-10 lbs) & Positive Positioner, Cv Mix 80, Cv Div 95 A/115 B
Valve Assembly:
- Body Size: 2-1/2 in
- Configuration: 3-Way Mixing/Diverting
- Type: Globe
- Connection: Flanged
- Stem Flow Action: Stem up, mixing closed A to AB, diverting closed AB to A
- Material Trim: Brass
- Flow Coefficient: See documentation for cv cv
- Close-Off Pressure: 35 PSI
- Actuator Type: Pneumatic
- Control Signal: Proportional
- Control Spring Range: 5 to 10 PSIG
- Loss of Power Type: Spring Return
- Leads and Connections: 1/8 in Air NPT
- Mechanical Movement: Linear
- Protection Rating: NEMA 1
Assembly Components:
- Valve Body: VB-8303-0-5-12
- Valve Range: Balanced Plug Technology
- Valve Linkage: AV-497
- Actuator: MK-6811
- Actuator Comment: Comes with a positive positioner (AK-42309-500)
- Positive Positioner: AK-42309-500
Product Alert: Flow Coefficient varies depending on configuration; see documentation for further details. Not for use with steam.
Product Specifications
| Actuator Comment | Comes with a positive positioner (AK-42309-500) |
| Actuator Diaphragm Material | Neoprene |
| Actuator Housing Material | Aluminum die cast |
| Actuator Type | Pneumatic |
| Actuator Use | Globe Valves |
| Body Size | 65 mm (2-1/2 in) |
| By Schneider | Yes |
| California Residents |  WARNING:This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov |
| Close-Off Pressure | 242 kPa |
| 35 psi | |
| Configuration | 3-Way Diverting |
| 3-Way Mixing | |
| 3-Way Mixing/Diverting | |
| Connection Type | Flanged |
| Control Signal | Proportional/Modulating |
| Control Spring Range | 5 to 10 PSIG |
| Diaphragm Effective Area | 50 sq in in² |
| Flow Characteristic | Modified linear |
| IP Protection Rating | IP10 |
| Lead Length | 1/8 in |
| Leads and Connections | Air NPT |
| Loss of Power Position | Normally closed |
| Loss of Power Type | Spring Return |
| Material Body | Cast iron |
| Material Packing | Spring-loaded PTFE/EPDM |
| Material Plug | Brass forged |
| Material Seat Port A | Brass |
| Material Trim | Brass |
| Mechanical Movement | Linear |
| Media Compatibility | Glycol 25% |
| Glycol 30% | |
| Glycol 50% | |
| Water | |
| Override | 5/32 Allen wrench |
| Pipe Size | 2-1/2 in |
| Position Indicator | Green push stem with color markers |
| Positioner | No |
| Pressure Allowable Static | Class 125 with 200 PSIG up to 150 F decreasing to 169 PSIG at 281 F |
| Pressure Class | 125 ANSI |
| Product Line | Schneider Electric |
| Product Range | Balanced Plug Technology |
| Product Series | VB-8300 |
| Rangeability | Greater than 100:1 |
| Seat Leakage Port A | ANSI III (0.1%) |
| Stem Flow Action | Stem up, mixing closed A to AB, diverting closed AB to A |
| Stem Movement | Linear |
| Stroke Auto Calibration | No |
| Stroke Distance | 1 in |
| Temperature Ambient Operating Range | -28.8 to 104.4 C (-20 to 220 F) |
| Temperature Range Fluid | -7 to 138 C (20 to 281 F) |
| Temperature Shipping and Storage Range | -40 to 104.4 C (-40 to 220 F) |
| Type | Globe |
| Weight | 69 lbs |
|---|---|
| Dimensions | 2 × 2 × 2 in |
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