Bellow Seals

Rubber bellow seals provides a high degree of axial flexibility to compensate for lack of concentricity of the shaft & misalignment & wear due to thrust movement of the shaft.

Rubber Bellows Seals

The general purpose rubber bellows seal can be use regardless of direction of rotation, since the driving torque is not transmitted through the coil spring, The required driving torque is enhanced through the unique rubber bellow which fits on the shaft. There are no bonded Joints and all the face materials are interchangeable without having to modify any dimensions. Applications: Generally used in sewage applications, waste water pumps, & fuel injection pumps. Material:

Seal Faces: Carbon Vs Ceramic/Sic/TC
Secondary Seals: nitrile/ neoprene/viton
Metal Components: SS-316 Operating Limits:
- Shaft Dia.: 10 to 100mm
- Pressure: up to 10 Bars
- Temp.: -20 to 150°C
- Speed: up to 25 m/s

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Elastomer Bellow Seals

Elastomer bellows seals together with few others are the rated products amongst our clients. HS 10 has been designed for general sealing purpose which includes easy installation of the seal. HS10 has a unique rubber bellow secondary seal, which provides a high degree of axial flexibility to compensate for lack of concentricity of the shaft & misalignment & wear due to thrust movement of the shaft. The seal can be use regardless of direction of rotation since the driving torque is not transmitted through the coil spring, The required driving torque is enhanced through the unique rubber bellow which fits on the shaft through the interference fit between the collar, rubber bellow & the shaft. Applications: Generally used in hot & cold-water pumps, Oil pumps, refrigeration compressor & fuel injection pumps. Material:

Shaft Dia.:	10 to 100mm
Pressure:	up to 10 Bars
Temp.:	-20 to 150°C
Speed:	up to 25 m/s

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PTFE Bellow Seals

The PTFE bellow seals of types T60 & TF60 are designed to handle highly corrosive liquids. These seals are outside mounted with simple installation procedure and hence cost effective for corrosive media sealing. Type T60 & TF60 designated as fixed & replaceable bellow face respectively. For replacable version there is flexibility for selection of face material as per the media to be sealed, which can be easily removed & replaced & is highly desirable in severe applications. Applications: Used in acids, alkalis & extremely corrosive services Material:

Seal Faces: GFT/Sic./Carbon Vs Ceramic/Sic.
Secondary Seals: PTFE
Metal Components: SS-316/Hast-C Operating Limits:
- Shaft Dia.: 18 to 100mm
- Pressure: up to 5 Bars
- Temp.: -20 to 80°C
- Speed: up to 25 m/s

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Water Pump Seals

The Type HS32 is a compact, single-spring, elastomer bellows mechanical seal.

Type HS32 seals are designed for use in small centrifugal water pumps, deep and shallow-well jet pumps, swimming pool pumps, submersible pumps and wastewater pumps.

Features:
Design Features

· Sealing Faces

Precision surface finish ptimizes the service life and

reliability. Materials designed to meet the broadest range

of applications.

· Flexible Bellows

Full convolution elastomer bellows provides maximum

flexibility in compensating for shaft movement and wear.

· Spring

Coil spring provides consistent face loading through

extreme working conditions.

· Compact Short Length Design

Can be installed in very short length stuffing box like monoblock pumps

Operating Limits :
Shaft Dia.	: 0.375”, 0.500”, 0.625” & 0.750”
Pressure	: up to 5 Bars
Temp.	: -20 to 150°C
Speed	: up to 25 m/s

Shaft Runout : 0.13mm [0.005" per inch] FIM max.

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All Bellow Mechanical Seal

Item Code: HS35

Applications

The Type HS35 is a full convolution elastomeric bellows seal designed for confined spaces and limited gland depths.

Self-aligning feature compensates for excessive shaft end play and run-out.

Industries include chemical processing, food processing, gas compression, marine, nuclear service, offshore, oil & refinery, paint & ink, petrochemical processing,

pharmaceutical, pipeline, power generation, pulp and paper, waste water, water desalination, water systems.

All types of rotary equipment, pumps, marine, mixers, agitators, blowers, fans and compressors in a variety of service applications.

Supplied completely assembled for fast installation and field repairable.

Fast Installation

Completely assembled one-piece design for

fast installation.

Unitised Design

Unitised design incorporates positive retainer/key drive

from bellows.

Non-Clogging, Single Coil Spring

Provides greater dependability than multiple spring

designs. Will not be affected by build-up of solids.

Compact Design

Full convolution elastomeric bellows seal designed for

confined spaces and limited gland depths. Self-aligning

feature compensates for excessive shaft end play and

Operating Limits :
Shaft Dia.	: 25mm to 100mm
Pressure	: up to 15 Bars
Temp.	: -20 to 150°C
Speed	: up to 25 m/s

Shaft Runout : 0.13mm [0.005" per inch] FIM max.

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