M74-25mm Mechanical Seal, PCM Shaft Seal, Screw Pump Seal

• Customization: Available
• Structure: Double-End
• Pressure: Medium Pressure Mechanical Seals
• Model NO.: M74-25
• Speed: High-Speed Mechanical Seal
• Temperature: High Temperature Mechanical Seal
• Performance: Wear
• Standard: Standard
• Type: Double Seal
• Balance: Unbalanced
• M74D Mechanical Seal: Double Mechanical Seal
• M74D: Burg-Man M74D
• M74f: Mechanical Seal with Pumping Ring
• Wave Spring Seal: M7n Mechanical Seal
• Multiple Spring Seal: M74 Mechanical Seal
• H7n Seal: Wave Spring
• H75 Seal: Multiple Spring
• M74D Seal: Multiple Spring Seal
• Type 153D Seal: Chemical Pump Seal
• Type X Pump Seal: Type 153 Mechanical Seal
• Type M74 Seal: Industrial Pump Seal
• Screw Pump Seal: Mechanical Seal
• Centrifugal Pump Seal: Pump Seal
• Submersible Pump Seal: Shaft Seal
• Rotary Pump Seal: Cartridge Seal
• Transport Package: Neutral Packing or Customized Packing
• Specification: all sizes
• Trademark: Trisun
• Origin: China
• HS Code: 84842000
• Production Capacity: 200, 000

Product Description

M74F or M74FD with pumping screw for KQSN and Andritz pumps. 

Type M74 multiple spring mechanical seal with G9 seat. 












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

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

Our M7N replaces Burg-man M7N and it is wave spring design;
Our M74 replaces Burg-man M74 and it is multiple spring design;
Our M74F with pumping screw replaces Burg-man 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, Burg-man, AES, Flowserve, Fluiten, Roten, Sealtek etc.