Welcome To danagroupbd.com
 
   
Welcome To danagroupbd.com
   
Products
 
 
Butterfly valves BVG, BVA, BVH
Butterfly valves to set the flow rate of gas or air on gas burners, prepared for attachment of a gear motor IC 20/IC 40, for regulation ratios up to 1:10, with angle-of-rotation indicator, BVG: EC type tested and certified. BVG for gas, BVA for air, BVH for hot air to 450 C DN: 40 to 150, for fitting between two flanges, pe: max. BVG, BVA: 500 mbar, BVH: 150 mbar.
 
 
Butterfly valves DKG, DKL, DKR
Butterfly valves to set the flow rate of gas or air on gas burners, prepared for attachment of a gear motor GT, for regulation ratios up to 1:10, with angle-of-rotation indicator, DKG: EC type tested and certified. DKG for gas, DKL for air, DKR for air and flue gas, DN: 15 to 500, reduction by one or two nominal diameters possible, for fitting between two flanges, pe: max. 300 mbar, with manual adjustment, with square shaft for mounting a gear motor GT or with free shaft end, max. medium temperature: 60 to 650C, disc with clearance.
 
 
Gear motor IC 20, IC 40
Reversible gear motor to transmit rotary movements between 0 and 90, for actuation of gas and air valves, IC 20 with voltage-free limit switches, automatic/manual mode switch-over, position feedback and externally readable position indicator IC 40 for complex applications with programmable functions for flexible adjustment to the process, with statistics and error history to support service personnel. Operating times: IC 20: 7.5 to 60 s, IC 40: can be programmed mains voltage: 120 to 230 V AC, torque: 2.5 and 3 Nm, controlled by IC 20: three-point-step signal, IC 40: three-point-step, two step, PLC or continuous signal.
 
 
Gear motors GT
Reversible gear motors to transmit rotary movements between 0 and 90 or 0 and 160, for actuation of gas and air valves, with voltage-free limit switches, automatic/manual mode switch-over (optional), position feedback and externally readable position indicator. Operating times: 3.7 to 214 s, mains voltage: 24 V AC, 110/120 V AC or 220/240 V AC, torque: 1.2 to 20 Nm, controlled by three-point-step signal, continuous signal or two-point signal.
 
 
Governors with solenoid valve VAD, VAG
Class A governor to EN 88 with integrated class A safety valve to EN 161 for safeguarding and control of gas pressures in gas inlet and burner lines, for gas and air, pe max. 500 mbar, with blue pilot lamp, EC type tested and certified. VAD: universal governor, VAG: air/gas ratio control for maintaining a constant gas/air ratio 1:1, size: 1 to 3, DN: 10 to 65, connection: thread, mains voltage: 24 V DC, 120 V AC or 230 V AC, pa: max 100 mbar, electrical connection: terminals The following versions are available: valves with fitted bypass or pilot valve valves with fitted pressure switches DG../VC.
 
 
Motorised valves for gas VK
Hydraulically actuated class A gas safety valves to EN 161, for automatic shut-off, closed when de-energised, for gas and air, also for biologically produced methane, slow opening, quick closing, EC type tested and certified. VK..Z for two-step operation, VK..G with GGG 40 housing for steam boilers, open air or landfill systems, VK..H with stronger drives for higher pressures, VK..X explosion-proof design for zone 1 and 2 hazardous areas, DN: 40 to 250, connection: thread or flange, pe: max. 230 mbar to max. 8 bar, mains voltage: 100 V AC to 220/240 V AC, AISi or GGG 40 housing, electrical connection: terminals or standard plug with socket. The following versions are available: valves with flow adjustment, valves with position indicator, valves with holding relay for manual restart, valves with Viton seal.
 
 
Solenoid relief valves VAN
Solenoid relief valves, open when de-energised, for purging excess or leakage gas from tightness control devices, for gas and air, EC type tested and certified. DN: 15 to 40/32, connection: thread, pe: max. 200 or 1000 mbar, quick opening, quick closing, mains voltage: 24 V DC, 120 V AC or 220/240 V AC, electrical connection: terminals or standard plug with socket, The following versions are available: valves with position indicator, valves for biologically produced methane.
 
 
Solenoid valves for air VR
Solenoid valves for air for high/low control, for cold-air operation on industrial burners. DN: 25 to 100, connection: thread or flange, pe: max. 150 mbar, quick opening, quick closing or slow opening, slow closing, mains voltage: 24 V DC, 120 V AC or 220/240 V AC, electrical connection: terminals or standard plug with socket, with flow adjustment. The following versions are available: valves with position indicator, valves with bypass orifice.
 
 
Solenoid valves for gas VAS
Class A gas safety valves to EN 161, for automatic shut-off, closed when de-energised, for gas and air, pe max. 500 mbar, with blue pilot lamp, with flow rate adjustment, EC type tested and certified. Size: 1 to 3, DN: 10 to 65, connection: thread, quick opening, quick closing or slow opening, quick closing, mains voltage: 24 V DC, 120 V AC or 230 V AC, electrical connection: terminals. The following versions are available: valves with position indicator and visual indicator, valves with fitted bypass or pilot valve valves with fitted pressure switches DG../VC.
 
 
Solenoid valves for gas VG
Class A gas safety valves to EN 161, for automatic shut-off, closed when de-energised, for gas and air, EC type tested and certified. DN: 6 to 100, connection: double-cone olive union, thread or flange, pe: max. 100, 200, 360, 500, 1000 or 1800 mbar, quick opening, quick closing or slow opening, quick closing, mains voltage: 24 V DC, 120 V AC or 220/240 V AC, electrical connection: terminals or standard plug with socket. The following versions are available: low-noise valves, valves with flow adjustment or position indicator, valves for biologically produced methane, valves with Viton seal.
 
 
Solenoid valves for gas VGP
Class A gas safety valves to EN 161, for automatic shut-off, closed when de-energised, for gas and air, EC type tested and certified. DN: 10 to 25, connection: thread, pe: max. 150 or 200 mbar, quick opening, quick closing, mains voltage: 120 V AC or 230 V AC, electrical connection: rectifier adapter with standard socket or socket with integrated rectifier circuit.
 
 
Solenoid-operated butterfly valves for air MK
Consisting of butterfly valve K and solenoid actuator M for high/low control of cold- or hot-air operation up to 550C in industry, with spring-loaded valve disc, with flow adjustment for maximum and minimum flow rate, with position indicator. DN: 40 to 100, for fitting between two flanges, pe: max. 130 mbar, quick opening, quick closing or slow opening, slow closing, mains voltage: 24 V DC, 120 V AC or 220/240 V AC, electrical connection: terminals or standard plug with socket.
 
 
Tightness controls TC 1-3
Tightness controls for checking two safety valves before or after burner run, with adjustable test period (10 to 60 s) for adjustment to different test volumes, leakage rates and inlet pressures, EC type tested and certified. TC 1 for combination controls CG, TC 2 for quick opening single valves, TC 3 for quick or slow opening single valves. pe: max. 500 mbar, mains voltage: 24 V DC, 110/120 V AC or 220/240 V AC.
 
 
Tightness controls TC 410
Tightness controls for checking two safety valves before or after burner run, with adjustable test period for adjustment to different test volumes, leakage rates and inlet pressures, for quick opening single valves, EC type tested and certified. TC 410 needs external pressure switch for any inlet pressures and gas types. Max. test period adjustable: 10 to 60 s or 100 to 600 s, mains voltage: 24 V DC, 110/120 V AC or 220/240 V AC.
 
 
Two-step solenoid valves for gas VG..Z
Two-step class A gas safety valves to EN 161, for automatic shut-off, closed when de-energised, for gas and air, EC type tested and certified. DN: 15 to 65, connection: thread or flange, pe: max. 130 or 360 mbar, slow opening, quick closing, mains voltage: 220/240 V AC, electrical connection: terminals or standard plug with socket. The following versions are available: valves with flow adjustment or position indicator, valves with Viton seal.