Product Range

Mechanical seals available for centrifugal pumps, Agitators, Reactors, Compressors, Rotary unions & all types rotary process equipments where need of process fluid sealing around the rotating shaft.


Conical Spring Seal - ISPL 2401

ISPL 2401

  • Single acting unbalanced seal
  • Dependent on direction of rotation
  • Conical spring
  • Inside mounted Stuffing Box

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Multi Spring Seal - ISPL 2402

ISPL 2402

  • Balanced
  • Uniform face loading
  • Double Acting
  • Inside mounted



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Multi Spring Seal - ISPL 2403

ISPL 2403

  • Unbalanced, inside & outside mounted
  • Compact design
  • Easy to install
  • Independent on direction of rotation

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Teflon Bellow Seal - ISPL 2404

ISPL 2404

  • Balanced flexible virgin teflon bellow
  • Externally mounted
  • Low pressure
  • Independent of direction of rotation

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Teflon Bellow Seal - ISPL 2405

ISPL 2405

  • Single acting, outside mounted
  • Balanced type
  • PTFE bellow with replaceable seal ring
  • Independent of direction of rotation

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Straight Spring  Seal - ISPL 2406

ISPL 2406

  • Handles high pressure
  • Balanced / Unbalanced
  • Sturdy and long life spring
  • Dependent on direction of rotation



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Star Mechanical Seal - ISPL 2407

ISPL 2407

  • Single acting, unbalanced
  • Independent on direction of rotation
  • Straight spring seal
  • Inside mounted



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Double Mechanical Seal - ISPL 2408

ISPL 2408

  • Unbalanced multispring, double seal
  • Easy to install and replace
  • Independent on direction of rotation



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I.S. Balanced Seal - ISPL 2409

ISPL 2409

  • Balanced externally mounted
  • Compact design
  • Easy to install
  • Single acting



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Heavy Duty Seal - ISPL 2410

ISPL 2410

  • Balanced
  • Uniform face loading
  • Double acting
  • Inside mounting




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Single Spring Seal - ISPL 2411

ISPL 2411

  • Single acting, unbalanced
  • Independent on direction of rotation
  • Straight spring
  • Inside mounted



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Rubber Bellow Seal - ISPL 2412

ISPL 2412

  • Unbalanced single spring seal
  • Flexible synthetic rubber bellow
  • Dependent on direction of rotation
  • Inside mounted

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Multispring Cartridge Seal - ISPL 2413

ISPL 2413

  • Single seal with cartridge assembly
  • Springs protected from medium
  • Solid faces increase life of seal
  • Easy to install


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Cartridge Seal - ISPL 2414

ISPL 2414

  • Fast and easy installation
  • Available in single and multi spring Type
  • Complete mechanical seals with sleeve and gland plate




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Steel Bellow Seal - ISPL 2415

ISPL 2415

  • Balanced / Unbalanced type spring seals
  • Independent on direction of rotation
  • Inherently pressure balanced
  • Rigid and strong metal bellow

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Thermodynamic Seal - ISPL 2416

ISPL 2416

  • Fast and easy installation
  • Available in single and multi spring types
  • Complete mechanical seal with sleeve and gland plate




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Dry Seal - ISPL 2417

ISPL 2417

  • Balanced, externally mounted
  • Robust design
  • Easy to install and highly reliable
  • Seal faces of dry running capability

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Split Seal - ISPL 2418

ISPL 2418

  • Balanced Type
  • Compact and easy to install






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Boiler Feed Pump Seal - ISPL 2419

ISPL 2419

  • Single Seal
  • Balanced
  • Pumping screw
  • Independent on direction of rotation
  • Cartridge Design


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Accurate Seal - ISPL 2420

ISPL 2420

  • Multi spring, Single seal
  • Independent on direction of rotation
  • Externally mounted




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Springless Seal - ISPL 2421

ISPL 2421

  • Single seal
  • Independent on direction of rotation
  • Springless seal
  • Low cost
  • Simple reliable design
  • Long service life

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RTBS Seal - ISPL 2422

ISPL 2422

  • Balanced, externally mounted
  • Robust design
  • Easy to install and highly reliable
  • Seal faces of dry running capability

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Heat Exchanger Seal - ISPL 2423

ISPL 2423

  • Single acting, unbalanced
  • Independent on direction of rotation





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Pressure Screen Seal - ISPL 2424

ISPL 2424

  • Double seal
  • Independent of direction of rotation





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Pressure Screen Seal - ISPL 2425

ISPL 2425

  • Single spring seal
  • Independent of direction of rotation
  • Spring product protected
  • Easy to install


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Wave Spring Seal - ISPL 2426

ISPL 2426

  • Compact in size
  • Very robust construction
  • Bi-directional




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Grinding Mill Double Cartridge Seal - ISPL 2427

ISPL 2427

  • Double Seals
  • Independent on direction of rotation
  • Spring product protected
  • Temperature maintained by cooling oil

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Thermodynamic Seal - ISPL 2428

ISPL 2428

  • Wave spring single seals
  • Balanced
  • Independent on direction of rotation
  • spring product protected


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Side Entry Cartridge Seal - ISPL 2429

ISPL 2429

  • Wave/ Multi spring single seal
  • Balanced
  • Independent on direction of rotation
  • Spring product protected

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Grinding Mill Seal - ISPL 2430

ISPL 2430

  • Double Seal
  • Independent on direction rotation
  • Spring product protected



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Seal Support Systems

Seal Support Systems

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Alfa Laval EM, FM-1, FM-III, GM-1, FM05

Alfa Laval EM, FM-1, FM-III, GM-1, FM05

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Alfa Laval LKH 10 & LKH 20

Alfa Laval LKH 10 & LKH 20

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Fristom Pump / Zutech

Fristom Pump / Zutech

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Grundfoss Pumps

Grundfoss Pumps


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HMT Pumps

HMT Pumps


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Sri Pump Seals

Sri Pump Seals


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Voltas Compressor Seal

Voltas Compressor Seal

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Agitator Seal - ISPL 24555

ISPL 24555

  • Single cartidge seal
  • Independent of direction of rotation
  • Option: Dry Running
  • Option: Glass line reactor seal


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Wave Spring Seal - ISPL 2426

ISPL 24556

  • Single with bearing
  • Independent on direction of rotation
  • Cooling jacket for high temperature
  • Side/Top/Bottom drive


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Grinding Mill Double Cartridge Seal - ISPL 2427

ISPL 24557

  • Double Seals
  • Independent on direction of rotation
  • Buffer flid provided to seal chamber
  • Balanced / unbalanced seal


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Thermodynamic Seal - ISPL 2428

ISPL 24558

  • Double seal with bearing
  • balanced / unbalanced seal
  • cartridge type seal
  • cooling jacket for high temperature
  • with bearing seals improve seal life

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Side Entry Cartridge Seal - ISPL 2429

ISPL 24559

  • single and double sela
  • with bearing housing & drive shaft
  • cartridge assembly






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Grinding Mill Seal - ISPL 2430

ISPL 24560

  • twin double mechanical seal
  • double bearing
  • Independent on direction of rotation
  • cooling provided to seal chamber
  • cartridge assembly


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Grinding Mill Seal - ISPL 2430

ISPL 24561

  • Capable to contain very high pressures while rotating at very high speeds
  • With balanced mechanical seal
  • Options: with bearing/ without bearing rotary unions

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