Chesterton 491 Pump Mechanical Seal, Monolithic Seal Face

• Customization: Available
• Structure: Single End
• Pressure: High Pressure Mechanical Seals
• Model NO.: TS 491
• Speed: High-Speed Mechanical Seal
• Temperature: High Temperature Mechanical Seal
• Performance: Temperature
• Standard: Standard
• Type: Chesterton 491
• Balance: Balanced
• Type 491: Chesterton 491
• Mechanical Seal: Chesterton Seal
• Pump Seal: Type 491 Seal
• Transport Package: Neutral Packing or Customized
• Specification: all sizes
• Trademark: TRISUN
• Origin: China
• HS Code: 84842000
• Production Capacity: 200, 000

Product Description

Our mechanical seal model 491 can replace  CHESTERTON 491, which is widely used for industrial pumps.  

TS491 can be run against many different stationary seal rings for maximum flexibility in many applications. The non-fretting design will not destroy the shaft sleeve or any metal parts. The 491 has a balanced O-Ring design with anti-clog features, springs out of the fluid, dynamic O-Ring moves on a clean surface.
 

Monolithic seal faces

Balanced

Non-clog isolated springs

Dynamic O-Ring is positioned on a replaceable component surface

Fits EN12756 L1K dimension

 

Technical Data
Sizes	16 mm to 110 mm (0.625" to 4.375")
Pressure	711 mm (28") Hg Vacuum to 10 bar g (150 psig*)
Temperature	-55° C to 300° C ( -67   F to 570   F)
Speed	20 m/s (4000 fpm)