SWB-160S series pump is a single-drive head single-acting gas-liquid booster pump, using a single gas-controlled unbalanced gas distribution valve to realize the automatic reciprocating movement of the pump. The diameter of the driving piston is 160mm, the gas drive part of the pump body is all made of aluminum alloy and the surface is anodized, and the full set of seals of the pump are made of imported seals, thus ensuring the beautiful appearance and durability of the products.