PEF30 Series Motorized Balance Valve (DN20-DN50)

Inquiry

Download

Features Specifications of Actuator Specifications of Valve KV Dimension Application

Features

Full stroke adjustment
The flow of terminal device is not affected by system pressure fluctuation.· Easy to install and disassemble
Dynamic flow limiting and differential pressure control are integrated
The valve characteristics are not affected by the flow setting

The maximum flow can be set manually with scale indication
Flow error ≤ 5%

Specifications of Actuator

Actuator	T46	PEF-40
Power supply	220V AC	24V AC
Wattage	2W	2.8W
Input signal	ON/OFF	DC(2)-10V or 4(0)-20mA
Output signal	Na	DC0(2)-10V
Thrust	110N	400N
Stroke	≥3mm	≥6mm
Operation Time	3-5min	120s (50Hz) /105s (60Hz)
Cable	2X0.5mm², 1m	N.A.
Ambient conditions	-5℃～60℃, 0-95%RH, non condensation	-10℃～50℃, 0-95%RH, non condensation
Storage conditions	0℃-50℃, 0-95%RH, non condensation	-40℃～50℃, 0-95%, non condensation
IP degree	IP54	IP54
Material	Housing: PC Flame retardant	Gear: polyformaldehyde, Nylon
	Internal parts: PA66, Flame retardant	Bracket: die casting alloyed Aluminum
	Spring: 65Mn, 55CrSi	Housing: ABS engineering plastic, flame retardant
Weight	0.114kg	0.514kg

Specifications of Valve

Valve body	DN20-DN25	DN32-DN50
Nominal pressure	PN16	PN16
Rated stroke	3mm	6mm
Flow characteristics	Quick open	equal percentage
leakage	≤Kvs*0.03%	≤Kvs*0.03%
Medium	Cooling and heating water of HVAC, Ethylene glycol aqueous solution within 30%
Medium temperature	-10℃~95℃
Valve structure	2-way
Material	Valve body and bonnet: forged brass
	Valve stem: stainless steel
	Sealing: NBR, PTFE
	Film: EPDM embedded fiber

KV

Kv (m3/h) / Scale	20%	40%	60%	80%	100%
DN20	0.69	0.96	1.10	1.22	1.37
DN25	1.10	1.57	1.73	1.84	1.92

Kv (m3/h) / Scale	1	2	3	4	5	6	7
DN32	0.96	2.91	4.07	4.86	5.67	6.24	6.49
DN40	1.37	2.78	3.90	5.11	6.05	6.90	7.67
DN50	1.50	2.93	4.05	5.30	6.25	7.05	7.80

Dimension

DN	Connection thread	A	L	H	Kv (m³/h)	Stroke	Closing differential	Actuator Thrust
DN20	G 3/4	62	100	137	1.4	3	150	110N
DN25	G 1	62	110	135	1.9	3	70	110N
DN32	G 1-1/4	62	122	209	6.5	6	300	400N
DN40	G 1-1/2	147	194	244	7.5	6	300	400N
DN50	G 2	147	194	244	7.8	6	300	400N

APPLICATION

RELATED NEWS

News

On September 10, 2026

Best Thermostats for Hydronic Radiant Floor Heating: A Distributor Guide

Thermostat selection is easy to get wrong in hydronic radiant floor heating. A thermostat may look suitable on the product page but still fail to match the heat…

Learn More

News

On August 24, 2026

Where Can Buy Motorized Balancing Valves for Commercial HVAC in Bulk?

Choosing the right motorized balancing valves for commercial HVAC requires more than comparing unit prices. This article explains key specifications, valve types, actuator options, control signals, application scenarios,…

Learn More

News

On August 15, 2026

Which duct air flow sensors support 4 to 20 mA output for building automation?

Learn how duct air flow sensors with 4 to 20 mA output support HVAC building automation, including selection, compatibility, installation, and maintenance.

Learn More

PEF30 Series Motorized Balance Valve (DN20-DN50)

Features

Specifications of Actuator

Specifications of Valve

KV

Dimension

APPLICATION

RELATED SOLUTIONS

RELATED NEWS

RELATED PRODUCTS