Description：Piston seal is used in one way nozzle valve, the advantage is stable pressure when open good tightness, conveying oil stably and greatly reducing the work noise when closed,It is applied to the diesel engine with high-end design requirements
Cooling nozzle assembly (the one-way steel ball valve )View products
Description：Steel ball as seal is used in one-way nozzle valve,Main advantage is the simple process, the low cost.It is applied to the diesel engine with mid-level design requirements.
Description：Suitable for the cylinder interior design more compact engine type.
Description：Simplified block oil way design
Single oil cylinder way can meet a piston cylinder cooling effect through the design of nozzle.
Description：No use for opening presuure piston cool directly, low cost
It is applied to the diesel engine with low-end design requirements
Description：The angle of nozzle gushing oil is good consistency and high cleanness
this design according to customer
