Series 40 – Multispring Seal

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Series 40 – Multispring Seal Overview

Balance - Wedge / 'O' Ring Type

Type: 40B and 45B

Series 408 & 458 are multiple spring balance seal with O-Ring as secondary sealing member in series 408 & wedge as a sealing member in 458. Various face material & elastomers can be offer for wide service application. The compact design of seal permits their use in all types of centrifugal pump. As all parts are interchangeable, one can convert series 408 to series 458 by changing only seal ring, secondary packing and mating ring packing. This concept is ideal for stock rationalization

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Type 40B

Secondary Seal Material: Viton / Buna / EPDM or Neoprene “O” Ring in order to ensures less shaft fretting due to capacity for flex and roll. “O” Ring Seals are preferred where elastomer are suitable for process fluid.

Type-40B

Туре 45B

Secondary Seal Material: PTFE/GFT Wedge in order to ensures seal operation on high temperature and Chemical Application

Туре-45B

Series 40

Engineered for versatile use with corrosive and non-corrosive liquids in demanding pressure conditions.

Applications

  • For clear corrosive or non-corrosive liquids
  • Effective for low to high-pressure ranges

MOC for Seal Faces

Rotary: Carbon, GFT, Tungsten Carbide, Silicon Carbide

Stationary: Silicon Carbide, Ceramic, Tungsten Carbide, Stellite

Design

  • Internally mounted balanced compact design
  • Multispring ensures uniform load
  • Mechanical locking for positive drive
  • Independent of direction of rotation

Hardware Material

Compression Unit: SS 316 / Hast Alloy C / Alloy-20

Spring: SS 316 / Hast Alloy C / Alloy-20

Thrust Ring: SS 316

Grub Screw: SS 316

Operation Parameters

  • Pressure: 30 Bar
  • Speed: Up to 3500 RPM
  • Temperature: -20°C to 180°C