NBR mechanical seal HF700 1.Pressure:0~0.6mpa 2.Speed:0~5000rpm 3.Temperature:-40~+150 oC NBR Mechanical Seal HF7001.Operating limits: Pressure:0~0.6mpa Speed:0~5000rpm Temperature:-40~+150 oC2.Material: Rotary ring:ceramic/sic/tc Stationary ring:carbon/sic/tc Secondary seal:nbr(hnbr)/epdm/viton Spring and other parts:s.s/sus304/sus316/cu NBR mechanical seal HF700