GENERAL

The V8 Actuated Wafer Type Butterfly Valves are suitable for heating and cooling applications.
The V8 series is equipped with NOM...E standard On Off or modulating (4~20mA, 1~5V, or 0(2) ~10V control quarter-turn electric actuator.
The V8 series can also provide feedback output signal: Dry contact for On-Off version; 0~5V, 0~10V, 4~20mA for modulating version.

FEATURES

• Wide size range (DN 50…DN600 • Rated Pressure PN16 • For On-Off or Modulating Control • Manual override non-clutch design. Manual operation can be operated without any lever, clutch or brake upon power voltage. • Irreversible worm gear. • Visual mechanical position indicator for accurate visual reference of valve position. • Anti-condensation heater and 2 aux. limit switches on standard model • Enclosure IP67

SPECIFICATIONS

Valve
Sizes	DN50…DN600 (Wafer Type)
Nominal pressure	PN16
Tightness	Bubble tight
Medium Temperature	-10 ~ +120 Maximum ℃ ℃
Body Material	GG25 (for DN50…DN150) GGG40 (for DN200…DN600)
Stem Material	SS410
Disc Material	Epoxy coated ductile iron GGG40
Liner Material	EPDM
Medium Type	Chilled and Hot water
Pipe Connection	ISO7005-2

Actuator (NOM..E)
Power Supply	220Vac, 50/60 Hz
Running time	29 @ 50Hz
Travel Angle	90 ± 5
Input (Modulating)	4~20mA, 1~5V, or 0(2)~10V
Feedback (Modulating)	4~20mA or 0(2)~10V
Enclosure	IP67 Waterproof
Ambient Temperature	-5 ℃ to +65 ℃
Indicator	Continuous Position Indicator
Manual Override	Non-clutch design
Worm Gear	Permanently lubricated and self locking
Space Heater	15W 220V Anti-condensation
Material	Aluminum Alloy
External Coating	Dry powder coating
Stall Protection	Built-in thermal protection Cut off at 135 ± 5℃ Reset at 95 ± 5 ℃

Closing Pressure: 1.0Mpa
Valve Model: V8BFW16-250
Actuator Model On/Off: NOM-5A-E
Actuator Model Modulating: NOM-P5A-E
Torque Nm: 400
Power Con. (VA): 170
Space Heater (W): 15
Manual Overide: Handwheel