It features a sophisticated and intricate structural design. 

The nuts are made of brass, while the pistons and ball valves are crafted from stainless steel, 

which ensures both structural stability and durability.

This mini steam engine boiler pump is a small hand-operated piston-type hydraulic pump. 

It can replenish water to the boiler when the boiler is in operation and under pressure; 

it can also be used for hydrostatic testing of boilers as well as various other hydraulic applications.

Model: M8

Material: Brass + Stainless Steel

Color: Brass

Feedwater Pump Size: 54×24×95 mm (2.13×0.94×3.74in)

Brass Joint: 3 mm (0.12in)

Piston Diameter: 7 mm (0.28in)

Stroke : 8 mm (0.32in)

Thread Specification: 1/4" × 40 TPI

Weight: 124 g

Package Includes: 1×Steam Engine Boiler Feedwater Pump

Packaging: Box