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New John Crane Seals Type 21 For Water Pumps

New John Crane Seals Type 21 For Water Pumps

    Elastomer bellow mechanical seal AS- E21 , can be replaced of Johncrane 21. Suggested operating limits Temperature: - 20 - 12 0℃ Speed: ≤ 15 m/s Pressure≤ 1.0 Mpa Combined material Rotary face: Carbon/ S ic /TC Stat Ring: Ceramic/ S ic /TC Seat Type : Standard AS-S11, Alternative AS-S20/S21....