318 Mechanical Seal Single Cartridge Seal for Pumps

Type 318 mechanical seal is a single cartridge seal designed for easy installation. Its inserting rotary design ensures better driving performance, making it a reliable pump mechanical seal. With a balanced construction, it handles high-pressure conditions effectively. This single cartridge mechanical seal requires only 2 bolts for installation and serves as an excellent replacement for packing. It is suitable for Plan 01 and Plan 02.

• Spring assembly isolated from the product, preventing spring sticking and clogging

• Secure operation (fracture-free) due to seal face locking via square pin

• Suitable for pressure reversal conditions

• Capable of operating in a vacuum without additional seat locking

• No shaft damage from dynamically loaded O-rings

• Small installation sizes

• Ideal for conversions; no pump adaptations required

• Insensitive to solid containing and abrasive media

• Benefits of a balanced seal, even with plain shafts

• Stationary design insensitive to shaft movement

The application of 318 single cartridge seal is universal, covering the chemical, refining, and water treatment industries. It is suitable for dirty, abrasive and solid containing media, fugitive hydrocarbons, sticky and stringy media, etc. This mechanical seal is commonly used for chemical standard pumps and sewage pumps.