Mechanical seals, use for centrifugal and positive displacement pumps in industrial, process and marine applications.etc. Mechanical seals 

Item	d	D	D1	L	L1	L2	L3
TM209-18	18	34	34	40	29	4.5	4.5
TM209-20	20	36	36	40	29	5	5
TM209-30	30	46	46	51	33.5	7	7

Operating Parameters:

1) Temperature: -20 to 80oC 

2) pressure: ≤ 0.8 MPA

Mechanical seals