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Zone Valves For Boiler

Zone Valves For Boiler

Zone valves for boilers are essential components used to control the flow of hot water or steam in hydronic heating systems. Each valve regulates a specific zone, allowing for independent temperature control in different areas of a building. Typically motorized and operated by thermostats, zone valves are ideal for residential and commercial heating applications. They are compatible with most boiler systems and available in various sizes and materials to suit different piping requirements.
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Zone Valves For Boiler Features
 

Motorized Operation: Equipped with electric or thermal actuators for automatic control via thermostats.

Energy Efficiency: Reduces energy consumption by heating only the zones in use.

Compact Design: Space-saving construction suitable for tight installation areas.

Manual Override: Many models include a manual lever for operation during power outages or maintenance.

Universal Compatibility: Works with most hydronic heating systems and standard HVAC controls.

Leak-Proof Seal: Ensures safe, efficient water or steam flow without leakage.

Easy Maintenance: Removable actuator and accessible valve body simplify service and replacement.

Zone Valves For Boiler

Zone Valves For Boiler

 
 

Product parameter

 

 

 

Stem seal: Four-layer polytetrafluoroethylene V-ring + hydrogenated rubber

Stem: Stainless steel 06Cr19Ni10

Valve core: Brass or stainless steel

Other parts: All brass

Nominal pressure (PN): 1.6MPa

Working medium: Water, fluid temperature 5 - 95℃

Valve leakage: Less than 0.02% of the KV value

 

Recommended product models

 

Ordering Code Product Model Valve Type DN Diameter Connection Method Thread Size Kv Value Stroke Overall Dimensions Maximum Closing Pressure Difference [kPa]
                L H D E  
12518 DDF - Z - J - 215 Two - way 15 Internal Thread G1/2 4.3 15 84 130 42 38 500
12519 DDF - Z - J - 220 Two - way 20 Internal Thread G3/4 6.2 15 84 130 42 38 500
12520 DDF - Z - J - 225 Two - way 25 Internal Thread G1 9.7 20 104 135 42 50 350
12521 DDF - Z - J - 232 Two - way 32 Internal Thread G1 - 1/4 14.8 20 110 138 42 54 300
12522 DDF - Z - J - 232A Two - way 32 Internal Thread G1 - 1/4 14 20 105 128 42 43 300
12523 DDF - Z - J - 240 Two - way 40 Internal Thread G1 - 1/2 20 20 120 140 42 54 250
12524 DDF - Z - J - 240A Two - way 40 Internal Thread G1 - 1/2 18 20 115 130 42 48 250
12525 DDF - Z - J - 250 Two - way 50 Internal Thread G2 45 20 130 145 42 57.5 200
12526 DDF - Z - J - 250A Two - way 50 Internal Thread G2 27 20 122 134 42 52.5 200
12527 DDF - Z - J - 265 Two - way 65 Internal Thread G2 - 1/2 63 20 160 152.5 42 75 200
12528 DDF - Z - J - 265A Two - way 65 Internal Thread G2 - 1/2 49 20 150 145 42 64.5 200
12529 DDF - Z - J - 280 Two - way 80 Internal Thread G3 81.5 20 180 158.5 42 85 150
12547 DDF - Z - J - 315 Three - way 15 Internal Thread G1/2 4.3 15 84 130 42 49 500
12530 DDF - Z - J - 320 Three - way 20 Internal Thread G3/4 6.2 15 84 130 42 53 500
12531 DDF - Z - J - 325 Three - way 25 Internal Thread G1 9.7 20 104 135 42 64.5 350
12532 DDF - Z - J - 332 Three - way 32 Internal Thread G1 - 1/4 14.8 20 110 138 42 63 250
12533 DDF - Z - J - 332A Three - way 32 Internal Thread G1 - 1/4 14 20 105 128 42 57.5 250
12534 DDF - Z - J - 340 Three - way 40 Internal Thread G1 - 1/2 20 20 120 140 42 68 250
12535 DDF - Z - J - 340A Three - way 40 Internal Thread G1 - 1/2 18 20 115 130 42 63 250
12536 DDF - Z - J - 350 Three - way 50 Internal Thread G2 45 20 130 145 42 77.5 200
12537 DDF - Z - J - 350A Three - way 50 Internal Thread G2 27 20 122 134 42 70.5 200
12538 DDF - Z - J - 365 Three - way 65 Internal Thread G2 - 1/2 63 20 160 152.5 42 88 150
12539 DDF - Z - J - 365A Three - way 65 Internal Thread G2 - 1/2 49 20 150 145 42 83.5 150
12540 DDF - Z - J - 380 Three - way 80 Internal Thread G3 81.5 20 180 158.5 42 98.5 100

 

FAQ

 

1. What types of boiler systems are suitable for this zone valve?
This product is suitable for most common hot water or steam boiler systems, including residential and commercial floor heating, radiators and fan coil systems.

 

2. Does the zone valve support smart temperature control systems?
Yes, our zone valves support integration with most smart thermostats and building automation systems for remote and precise control.

 

3. How long is the service life of the valve? Does it require regular maintenance?
Under normal use, the valve life can reach 5-10 years. We recommend that the valve body and actuator be inspected once a year to ensure stable performance.

 

4. Are models with different diameters and connection methods available?
Yes. We have a variety of diameters and connection methods such as threading, crimping, welding, etc., which can be selected according to the pipeline system.

 

 

 

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