Shell pressed (lower)

Product specification:
Material type: Steel;
Material grade: Hot rolled steel strip;
Thickness: 3 mm ,
Hardness (HRB): 137 BHN ;
Composition:  manganese 0.4%
carbon 0.08%
phosphorus 0.03%
sulfur 0.03%

Spacing sleeve

Product specification:
Material type: Steel;
Material grade: Zinc-coated cold rolled;
Weight: 16 g.

Stator

‘- Especially heat treated design for reducing hysteresis and Eddy current loss.​​

Suction tube

Product specification:
Material type: Copper;
Material grade;
Phosphorus-deoxidized (DHP) ,
Weight: 30.85 g ,
Forming type: Welded.

Suction valve leaf

Product specification:
Material type: Flapper valve steel;
Material grade: Sandvik 20C;
weight: 4g ;
Tensile strength: 1710-1910 N/mm2 ;
Bending fatigue: 750 N/ mm2 ,
Hardness: Min 535 HV1.

Upper shell

Product specification:
Material type: Steel;
Material grade: Hot rolled steel strip;
Thickness: 3 mm ,
Hardness (HRB): 137 BHN ;
Composition:  manganese 0.4%
carbon 0.08%
phosphorus 0.03%
sulfur 0.03%

Valveplate

‘- Highly precision machining to ensure surface roughness below 0.2 µm.