Air gap: lg=1/2($I-$A) can be designed according to customers' requirements.
Working temperature: NdFeB <140centigrade; SmCo <280centigrade.
The inertia balance grade: G6.3 for inner and outer rotors.
Material:
Inner rotors: ASTM 304 / 316 / 316L, Hastelloy (C276 / B2 / C2000), Titanium alloy(Ta /Tb / Tc4).
Outer rotors: ASTM Stainless steel / carbon steel with Zn coating.
Sealing can: ASTM 304 / 316 / 316L, Hastelloy (C276 / B2 / C2000), Titanium alloy(Ta /Tb / Tc4).
Flange: ASTM Stainless steel / carbon steel with Zn coating.

Pressure bearing of sealing can: 1~2MPa.
The construction, dimensions and material can be designed and processed according to customers' requirements