vr425ab1007sz20
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The VR400 / V4730 Series servo regulated combination valves are used for control and regulation of gaseous fuels in gas fired power burners, atmospheric gas boilers, melting furnaces, incinerators and other gas consuming appliances. These servo regulated combination valves are available in the following different versions:
VRB15 (pipe sizes 1/2)
VRB20 (pipe sizes 3/4)
VRB25 (pipe sizes 1)
VR415/VR815 (pipe sizes 1/2)
VR420/VR820 (pipe sizes 3/4")
VR425/VR825 (pipe sizes 1)
VR432/VR832 (pipe sizes 1-1/4)
VR434/VR834 (pipe sizes 1-1/4)
Designed for but not limited to commercial burner and boiler applications
Port connection flanges
Media Natural gas, butane or propane.
Materials
Valve body: aluminium die cast body.
Seals and gaskets: Hydrocarbon resistant NBR rubber type.
Approvals CE, AGA
Supply voltageTypeDownloads
  TXTPDF
220..240 VacVR4xx-series TXT
PDF
Product handbook (English) Installation/mounting instruction (English) Certificate (English)
24 VacVR8xx-series TXT
PDF
Product handbook (English) Installation/mounting instruction (English) Certificate (English)
220..240 VacVRBxx-series TXT
PDF
Product handbook (English) Certificate (English)
DIN connector (to be ordered separately.

co020012-nl05
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CO020012
DescriptionAdditional Product TypeDownloads
 TXTPDF
Standard DIN connector, colour black. Order quantity: 10 pcs.CO020012 TXT
Venturi mixing unit

vmu-sz20
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VMU
DescriptionAdditional Product TypeDownloads
 TXTPDF
Venturi mixing unit for premix applications in combination with VR4xxVx and VR8xxVx gas valve models only (1:1 gas/air)VMUxxx TXT
PDF
Product handbook (English)