TECHNICAL SPECIFICATION

1. Nominal pressure (MPa): 0.25

2. Nominal diameter (mm): 20~150

3. Available medium: lubricant oil, fuel oil and else oil

Material of main parts

1. Body, Cover: cast steel

2. Cylinder block: cast aluminum bronze

3. Disc: carbon steel

4. Stem: stainless steel

5. Piston: spelder brass