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The performance specifications are nominal and conform to acceptable industry standards. For applications at conditions beyond these specifications, consult the local Johnson Controls office.
Johnson Controls, Inc. shall not be liable for damages resulting from misapplication or misuse of its products. © 2014 Johnson Controls, Inc.
www.johnsoncontrols.com
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VG7000 Series Stainless Steel Trim Globe Valves with VA7800 Series Electric Actuators
(Continued)
Threaded Globe Valves and Actuators
Technical Specifications
Two-Way Push-Down-to-Open (Normally Closed) — NPT End Connections
VG7443CT 1/2 0.73 308 VG7443CT+72CHGA VG7443CT+72CHGC
VG7443ET 1/2 1.8 308 VG7443ET+72CHGA VG7443ET+72CHGC
VG7443GT 1/2 4.6 308 VG7443GT+72CHGA VG7443GT+72CHGC
VG7443LT 3/4 7.3 197 VG7443LT+72CHGA VG7443LT+72CHGC
VG7443NT 1 11.6 131 VG7443NT+72CHGA VG7443NT+72CHGC
VG7443PT 1-1/4 18.5 75 VG7443PT+72CHGA VG7443PT+72CHGC
VG7443RT 1-1/2 28.9 46 VG7443RT+72CHGA VG7443RT+72CHGC
VG7443ST 2 46.2 29 VG7443ST+72CHGA VG7443ST+72CHGC
Three-Way Mixing — NPT End Connections
VG7844CT 1/2 0.73 308
/ 308 VG7844CT+72CHGA VG7844CT+72CHGC VG7844CT+74CHGA VG7844CT+74CHGC
VG7844ET 1/2 1.8 308
/ 308 VG7844ET+72CHGA VG7844ET+72CHGC VG7844ET+74CHGA VG7844ET+74CHGC
VG7844GT 1/2 4.6 278
/ 308 VG7844GT+72CHGA VG7844GT+72CHGC VG7844GT+74CHGA VG7844GT+74CHGC
VG7844LT 3/4 7.3 177
/ 197 VG7844LT+72CHGA VG7844LT+72CHGC VG7844LT+74CHGA VG7844LT+74CHGC
VG7844NT 1 11.6 112
/ 131 VG7844NT+72CHGA VG7844NT+72CHGC VG7844NT+74CHGA VG7844NT+74CHGC
VG7844PT 1-1/4 18.5 68
/ 75 VG7844PT+72CHGA VG7844PT+72CHGC VG7844PT+74CHGA VG7844PT+74CHGC
VG7844RT 1-1/2 28.9 44
/ 46 VG7844RT+72CHGA VG7844RT+72CHGC VG7844RT+74CHGA VG7844RT+74CHGC
VG7844ST 246.228
/ 29 VG7844ST+72CHGA VG7844ST+72CHGC VG7844ST+74CHGA VG7844ST+74CHGC
1. VA7820 and VA7830 spring-return actuators are shipped from the factory set for 0-10 VDC proportional control. These actuators have field-selectable switches
that allow the actuators to be used for on/off control, or three-wire floating control.
VG7000 Series Stainless Steel Trim Globe Valves with VA7800 Series Electric Actuators
1
1. In steam applications, install the valve with the stem horizontal to the piping and wrap the valve and piping with insulation.
Service
2
2. Proper water treatment is recommended; refer to the VDI 2035 Guideline.
Hot Water, Chilled Water, 50/50 Glycol Solutions, and 38 psig (262 kPa) Saturated Steam for HVAC Systems
Fluid Temperature Limits Water 35 to 338F (2 to 170C)
Steam 100 psig (690 kPa) at 338°F (170°C)
Valve Stroke 5/16 in. For All 1/2 and 3/4 in. Valves
1/2 in. For All 1 and 1-1/4 in. Valves
3/4 in. For All 1-1/2 and 2 in. Valves
Valve Body Rating Meets Requirements of ASME B16.15 Class 250
Valve Assembly
Maximum Allowable
Pressure/Temperature
Water 400 psig (2,756 kPa) up to 150°F (66°C)
Decreasing to 308 psig (2,122 kPa) at 338°F (170°C)
Steam 100 psig (690 kPa) Saturated Steam at 338°F (170°C)
Maximum Recommended
Operating Pressure Drop
35 psi For 1/2 through 1-1/4 in. Valves
30 psi For 1-1/2 and 2 in. Valves
Flow Characteristics Two-Way Equal Percentage
Three-Way Linear
Rangeability
3
3. Rangeability is defined as the ratio of maximum controllable flow to minimum controllable flow.
> 25:1 According to EN60534-2-4 for the 1/2 in. Size, Cv 0.73, Valve Bodies
> 100:1 According to EN60534-2-4 for All Other Valves
Actuator Ambient Operating
Temperature Limits
VA7800 Series 23 to 131°F (-5 to 55°C)
Leakage 0.05% of Maximum Flow
End Connections NPT Factory or Field Assembly
Materials Body Cast Bronze
Bonnet Brass
Stem 300 Series Stainless Steel
Plug 300 Series Stainless Steel
Seat 300 Series Stainless Steel
Packing Spring-Loaded Polytetrafluoroethylene (PTFE) and Elastomer V-Rings
Compliance Canada CRN: 0C1099.9087YTN
Stainless Steel Trim Globe Valves with VA7800 Series Spring-Return Electric Actuators (Part 2 of 2)
Valve
Code Number
Size,
in.
Cv Closeoff
psig
Spring Return
Spring Return Stem Up Spring Return Stem Down
VA7820-HGA-2
1
Proportional
without Switches
VA7820-HGC-2
1
Proportional
with Two Switches
VA7830-HGA-2
1
Proportional
without Switches
VA7830-HGC-2
1
Proportional
with Two Switches
Threaded Globe Valves and
Actuators
Threaded Globe Valves and
Actuators
Threaded Globe Valves and
Actuators
Threaded Globe Valves and
Actuators