Valve Specifications
Service	chilled or hot water, 60% glycol
Flow characteristic	A port equal percentage
Action	Max 95 rotation
Sizes	1/2" to 1-1/4" (B230)
Type of end fitting	female, NPT
Materials:
Body	forged brass, nickel plated
Ball	stainless steel
Stem	stainless steel
Seats	PTFE
Characterizing disc	TEFZEL®
Packing	2 EPDM O-rings, lubricated
Pressure rating	600 psi (1/2" to 1-1/4")
Ambient temp. range	-22 F to 122 F (-30 C to 50 C)
Media temp. range	0 F to 212 F [-18 C to 100 C]
Close off pressure	200 psi
Maximum differential:	For Characterized A-port
pressure (∆P)	20 psi for typical applications 30 psi max for quiet service
	For full flow versions only (no A-disc) On/Off control 150 psi
Leakage	0%
Cv rating	A port: see product chart for values

Actuator Specifications

LF24-3 US❏

LF24-3 (-S) US (LF24-3 US with built-in aux. switch) ❏

❏	LF24-3 US
LF24-3 (-S) US❏			(LF24-3 US with built-in aux. switch)
Power supply			24 VAC +- 20% 50/60 Hz
			24 VDC +- 10%
Power consumption:			running: 2.5 W; holding: 1W
Transformer sizing:			5 VA (class 2 power source)
Electrical connection:			LF24-3 US, 3 ft. plenum rated cable
			LF24-3-S US,3 ft, 18 GA appliance
			cables (2) 1/2" conduit connector
Overload protection:			electronic throughout 0 to 95 rotation
Input Impedance:			1000Ω (0.6w) control inputs
Angle of rotation:			max. 95 , adjust with mechanical stop
Torque:			35 in-lb [Nm]
Direction of rotation:			spring: reversible with cw/ccw mounting
			motor: reversible with built-in switch
Position indication:			visual indicator 0 to 90 (0 is spring
			return position)
Auxiliary switch:			1 x SPDT. 6A (1.5A) @250 VAC,UL
(-S US)			adjustable 0 to 95 (double insulated)
Running time:		motor:150 sec. constant
		independent of load
		spring: <25 sec. @-4 F to +122 F
		[-20 C to +50 C] <60 sec. @-22 F [-30 C]

Humidity:	5 to 95% RH non-condensing
Ambient temperature:	-22 F to 122 F [-30 C to 50 C]
Storage temperature:	-40 F to 176 F [-40 C to 80 C]
Housing:	NEMA type 2/IP54
Housing material:	zinc coated metal
Agency listings:	UL 873 listed, CSA C22.2
	No. 24 certified, CE
Noise level:	max: running < 30 db(A)
	spring return 62 dB(A)
Servicing:	maintenance free
Quality standard:	ISO 9001