HomeYour location：Home → Pump valve fittings → sealing element → mechanical seal → 21B(22B)型机械密封
Column tabs 
 Product name： 21B(22B)型机械密封
specification： 21B(22B)型机械密封
  Zoom Zoom in on the image
Category： Pump valve fittings -- 机械密封件
Column tabs 
 Price： factory price
Brand： Shanghai
Place of Origin： China
Column tabs 
 Available Quantity： batch
delivery cycle： Spot goods (or inquire by telephone)
tabs
  Shanghai Beiyuan Industry and Trade Co.,Ltd
+86-21-66770508
+86-139101609058

Email 91way@163.com
Wechat 13916950330(Wechat)

21B(22B)型机械密封Detailed product description：Column tabs

21B(22B)型机械密封技术参数

非平衡型
单端面密封
任意旋向
橡胶波纹管
介质温度-20℃~+150℃
介质压力0~0.5MPα
线速度≤10m/sec

规格\尺寸 D d D1 L L1 L2 L3
H7 h6 　 　 　 　 　
21B-14 30 14 27 17 5 4.5 18.7
21B-16 32 16 27 17 5 4.5 21
21B-18 35 18 29.5 19.5 7.5 6 21
21B-20 35 20 33.5 21.5 8 6.5 21
21B-22 37 22 33.5 21.5 8 6.5 24
21B-24 39 24 38.5 22.5 8 6.5 25
21B-25 40 25 38.5 23 8 6.5 25.5
21B-28 43 28 42 26.5 8 6.5 25.5
21B-30 45 30 44.5 26.5 9 7.5 25.5
21B-32 48 32 46 27.5 9 7.5 33.5
21B-33 48 33 46 27.5 9 7.5 33.5
21B-35 50 35 50 28.5 9 7.5 33.5
21B-38 56 38 53 30 9 7.5 33.5
21B-40 58 40 55 30 9 7.5 33.5
21B-43 61 43 58 30 9.5 8 36.5
21B-45 63 45 60 30 9.5 8 38
21B-48 66 48 63 30.5 9.5 8 38
21B-50 70 50 65 30.5 9.5 8 38
21B-53 73 53 70 33 9.5 8 41
21B-55 75 55 72 35 9.5 8 41
21B-58 78 58 75 37 9.5 8 42
21B-60 80 60 79 38 9.5 8 42
21B-65 85 65 84 40 9.5 8 45
21B-70 92 70 90 40 11 9.5 45
21B-75 97 75 95 40 12 10 50
21B-80 105 80 100 40 12 10 55


21B(22B)型机械密封外形尺寸

21B(22B)型机械密封
21B(22B)型机械密封（schematic diagram）
Product Category
All product information on this website is translated by Baidu machine translation, which may not be completely accurate and is only for reference