Sound Reasons | Compact series


Premium oversized roller bearings provide extended life under extreme working conditions and for any application.

Interlocking " Self-aligning" connecting rods in superior quality Hyper 328 Tonolli alloy or bronze, guarantee perfect alignment, ultimately reducing friction, heat, wear and noise.

Compact die-cast aluminum crankcase for high strength and anodized for corrosion resistance.

Patented du-dry plunger rod bushings PTFE coated greatly reduce friction for smooth operation.

Self-lubricating " V-type" double packing seals featuring long life.

Highly polished solid ceramic plungers.

Stainless steel check valves. Separately interchangeable suction/delivery, they assure the greatest volumetric ef?ciency.

Back cover made with special design to increase the amount of oil in the crankcase and to assure an ef?cient lubrication.

Locking conrods piston pins.
