Product Description

HELIX brand Double Diaphragm Pumps include: HL*1 Series, WL Series, HG Series, and HL*8 Series.
HELIX HL*1 & HL*8 Series products are patented products could provide perfect performance: non-stall, less­ pulsation, maintenance-free, durable and large flow capacity. HL*1 Series pumps' adopt pilot air valve provide a positive, reliable, faster shift signal. And then provides faster pump trip-over with more flow and less pulsation. Also, all HL*1 Series pumps have applied a dual ceramic air valves system which are wear-resistant, self-lubricating, maintenance-free, long lifetime, and applicable to the harsh environment of air source. 
HELIX brand pneumatic diaphragm pumps are ideal for general industrial field those could easily pump from clean, light viscosity fluids to corrosive and abrasive medium viscosity fluids and can transfer large particles without damage. As are pneumatic driven, they could be used in potentially explosive areas.