SGZ

Feature	Robust & long life construction,, Suitable for maximum pressure 360 millibar, Two stage operation with lower firing rate
End Connection	Screwed to BSP/NPT (F) Or Flanged to ANSI B16.5 Class 150 RF
Pressure Test Points	1/4” NPT on inlet and outlet of the valve
Cable Gland	Pg11 (upto 40mm size), & Pg 13.5 (from 50-65mm)
Switching Frequency	Universal with full reproducibility of instant passage of gas 5 seconds waiting period between 2 operations.
Fluids	Natural Gas, LPG in gaseous form, Town Gas, Bio-gas etc.
Body	Aluminium Silicon Alloy Castings
Disc Seal	Perbunan
Inbuilt Strainer	Brass (Size 15-40/32mm) Stainless Steel (40-65mm)
Working Temperature	-15°C to +60°C
Working Press	360milibar maximum
Voltage	230 VAC (+10/-15%),50/60 Hz Standard via protective circuit rectifiers
Coil Protection	As per IP-54 (According to IS 2147) Class “F” insulated
Opening Time	0.5 to 5seconds for 1st stage (adjustable) 10 seconds for 2nd stage (fixed)
Closing Time	Less than 1 second, with flow restrictor
Application	A two-step operation is also practical forcapacities < 120kW., For the protection, Shutt-Off and release of the air and gas supply to gas burners and gasdevices with two-step operation., The regulations for heating plant specify a two-step operation for atmospheric boilers with a capacity > 120kW, in order to save energy., The two -step operation allows an improvement of the efficiency at low fire.

Technical Data