H4..B globe valves, 2-way, with external thread
B C
Selection: H4..B
2-way globe valves with external thread DN 15...50
k >
VS DN [m >
3 /h] [ mm ] 2-waySuitable linear
actuator manufacturers,3-pointSuitable linear actuator, modulatingDC 0 ... 10 VSuitable linear actuator, modulating DC 0 ... 10 Vwith emergency control function >
For the modulatingcontrol of cold and warm water
0.6315 H411BNV24-3 115 H412B NV24-MFT NVF24-MFT 1.615 H413B AC / DC 24 V AC / DC 24 VEmergency control function, pulling >
Applications
2.515 H414B AC / DC 24 V >
2) Water-side control of air handling units Water-side control in heating systems
415 H415B NVY24-MFT 6.320 H420B NV230-3 AC / DC 24 V >
Mode of operation
1025 H425B N VF24-MFT-E >
Product featuresEqual-percentage characteristic
AC 230 V AC / DC 24 VEmergency control function, pushing >
The globe valve is operated by a NV series linear actuator. The linear actuators suppliers are controlled by a standard modulating or 3-point control system and move the cone of the valve, the throttling device, to the opening position dictated by the control signal.
1632 H432B >
1) Produced by the profiling of the valve cone.
N VG24-MFT 2540 H440B AC / DC 24 V >
3) Manual operation with NV actuator Using a hexagonal key to turn the actuator.
4050 H450B >
1) Recommended for DN 32 – DN 50 and high closing pressures2) Valve closed when deenergized
3) Valve open when deenergized For installation instructions, refer to pages 30/31 For closing pressure / differential pressure, refer to page 8 Technical data H4..B
Flow mediaCold and warm water, water with max. 50% volume of glycolTemperature of medium(–10°C) +5°C...+120°C (–10°C on request)Rated pressure ps1600 kPa (PN 16)Flow characteristicControl path A–AB: equal-percentage (to VDI/VDE 2173) n(ep) = 3, optimized in opening rangeRangeabilityDN 15 Sv > 50DN 20...50 Sv > 100Leakage rateControl path A–AB: max. 0.05 % of k >
vs valuePipe connectionExternal thread to ISO 228Differential pressure ∆ pmax400 kPa Closing pressure ∆ psSee table on page 8Stroke15 mm
Valve closing pointUp ( ∆ ) Installation position Vertical to horizontalMaintenance Maintenance-free Materials >
Sizing diagram for globe valves, refer to page 9 The information provided on pages 33/34 regarding operation, installation, project design, commissioning and maintenance must be strictly observed. For pipe connectors specification as accessories, refer to page 6
Fitting
Valve cone
Valve
seat valve stem
Stem gland sealRed casting brass Rg5Brass
Red casting brass Rg5
Stainless steel
EPDM O-ring >
Dimensions: H4..B
DNStrokeDimensions [mm]External threadWeight
[mm][mm]LBHGkg1515806546G 1 >
1 / >
8 ”1.22015906546G 1 >
HB 1 / >
4 ”1.325151106652G 1 >
AABB G 1 / >
DN 2 ”1.632151206756G 2”2.2
40151307265G 2 >
1 / >
4 ”2.850151507565G 2 >
3 / >
4 ”3.9A 2-way valve can be converted to a 3-way valve by removing the blind plug in port B. >
L ENG-93001-93621-08.04-1M Printed in Switzerland ZSD Subject to technical modifications 12