Product Description

Double mechanical seals used for chemical pumps: M74D, 153D, 153 and 115. 

our Mechanical seal model  M74D can Replace BURGMANN M74D,which is widely used for industrial pumps or chemical pump IH50-32-160. .  

Our M7N replaces Burgmann M7N and it is wave spring design;
Our M74 replaces Burgmann M74 and it is multiple spring design;
Our M74F with pumping screw replaces Burgmann M74F and it is multiple spring and pumping screw design. 
M74F-D
Dimensions, items and descriptions as for M74-D, but with pumping screw.
Dependent on direction of rotation. Viscosity ≤ ISO VG10).

Type 153D, type 153, type 113:
- Mechanical seals for chemical pumps of type Х, ХМ, АХ
- Secondary fluoroplastic seals provide outstanding chemical resistance
- are manufactured according to OST 26-06-1493-87

Trisun is a professional manufacturer of mechanical seals and OEM pump seals since 1997.
Our seals are interchangeable with John Crane, Burgmann, AES, Flowserve, Fluiten, Roten, Sealtek etc.