Product Code : PS32 Category

Helical Spring Unbalanced Seal

Characteristics :

Standard design, Single mechanical seal, Unbalanced, Inside mounted, Independent of direction of rotation.

Operating :

Shaft Diameter 25mm to 100mm
Pressure 10 bar (max.)
Temperature -60°C to 200°C


Based in Mumbai, India, Ashish Seals is one of the best Helical Spring Unbalanced Seal manufacturers, suppliers and exporters that are widely in demand in different industrial applications. The seals are used in congealing application and are anti-abrasive applications.

Working Principle

We are an authentic and ISO 9001-2015 certified Helical Spring Unbalanced Seal manufacturer in Mumbai India. These are easy to operate and install that are compact in design. It is known to handle liquids of varying contamination including sewage, Slurries Sludge, sewage, crystallizing and viscous solution. It is used in different industries such as petroleum refinery, paper industries, and petrochemicals. This has an unbalanced single acting helical coil spring seals that is independent from the direction of the rotation. Mounted internally and easy installation, the seal is driven by the motion that is transmitted by the shaft to the spring. Slippage is eliminated and this protects the shaft and sleeve from the fretting. The spring is completely protected from the sample. It is easy to handle for media that contains abrasive solids and particles.

These unbalanced seal finds its wide application in different industries such as Petrochemical, Chemical and Petroleum.

Data Flow Chart

PS32E – Seal designed with elastomer
PS32W – Seal designed with wedge
# Description
1 Mating Ring
2,4 O-ring
3 Seal Ring
5 Packing
6 Wedge
7 Drive Collar
8 Grub screw
9 Spring
10 Thrust ring
11 Snap ring
12 Pin

Material of Construction

  • Faces : Carbon, Ceramic, Silicon carbide, Tungsten carbide, Lecrolloy
  • Elastomers : PS32E -FKM, FFKM, EPDM, Silicon, NBR, TTV PS32W – PTFE, GFT
  • Metallurgy : SS316, SS316L, SS304


Chemical, Petroleum, Petrochemical.