VA7820-HGA-2 | Johnson Controls | Control Valves

Size: 1/2" to 2" FNPT

Cv Range: 0.73 to 46.2

Stroke: 5/16" (8 mm): 1/2" and 3/4" valves

1/2" (13 mm): 1" and 1-1/4" valves

3/4" (19 mm): 1-1/2" and 2" valves

Flow Characteristic: Two-way equal percentage; three-way linear

Rangeability: 25:1 per EN 60534-2-4

Leakage Rating: Brass trim: ANSI Class IV, 0.01% of maximum flow per ANSI/FCI 70-2; stainless trim: 0.05% of maximum flow

Maximum Closeoff Pressure: Actuator dependant, see Ordering Information

Pressure Drop: Maximum recommended pressure drop for water is 35 psid (241 kPa) for 1/2" to 1-1/4" valves, 30 psid for 1-1/2" and 2" valves; for steam 15 psid (103 kPa) for brass trim valves and 100 psid (690 kPa) for stainless trim valves

Maximum Pressure Rating: Brass trim with water: 400 psi (2756 kPa) up to 150°F (66°C), decreasing to 365 psi (2515 kPa) at 248°F (120°C); Brass trim with steam: 35 psi (241 kPa) at 284°F (138°C); Stainless trim with water: 400 psi (2756 kPa) up to 150° (66°C), decreasing to 308 psi (2122 kPa) at 338°F (170°C); Stainless trim with steam: 100 psi (241 kPa) at 338°F (170°C):

Pressure Rating: ANSI B16.15, Class 250 (EN 12360)

Materials Of Construction: Cast bronze body, stainless steel stem, brass trim models have brass plug, elastomer disc seat and rubber (EPR packing), stainless trim models have stainless plug/seat and spring-loaded PTFE/elastomer V-ring packing

Media Compatibility: Hot or chilled water; <50% glycol; steam 35 psig (Fluid Group 1 according to 67/548/EEC)

Media Temperature Range: Water: 35° to 248°F (2° to 120°C); Steam: maximum 338°F (170°C) (actuator dependant), 35 psig:

Actuator Mounting: Threaded mounting collar

Compatible Actuators: Electric VA-7000 or VA-4233 Series shown on following pages; pneumatic see V-3000, MP800 Series in PNEUMATICS & FITTINGS catalog section.

Operating Temperature: Actuator dependent, refer to following pages for specifications

Approvals: Actuator dependent, refer to following pages for specifications

Warranty: 1 year