Mechanical Seal Basic Guide

Mechanical Seal Selection Basics




Once referred to as the "black box" inside a pump that no-one really understands, the mechanical seal is that other part of the process pump that is constantly failing. To help alleviate that unworthy accolade we must understand the most important

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Flgyt Mixers, 5650-4660 Series Mixers, P/N 6196431

Details
Tungsen/Tungsten/Tungsten/Tungsten / VITON

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Flgyt Pump Seal 3201, Inner & Outer Seal.

Inner Seal: Carbon vs Tungsten / Viton
Outer Seal: Tungsten vs Tungsten / Viton
 
 

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Flygt 3102 Seal Kit, Includes Upper & Lower Seals, Part Number 592 01 08 - 592 01 06

Details
Upper Seal - Carbon vs Ceramic / Viton
Lower Seal - Tungsten vs Tungsten Carbide / Viton
 
 
For a full range of sizes and options, call Anthony 0417 707 248
Select Seals Pty Ltd is not an authorized distributor of parts or services for the products of any company

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Flygt 3152.091/181 Pump Seals, 6406330 / 3840009 Upper And Lower Seals

Details
Upper Seal / Carbon vs Tungsten / Viton
Lower Seal / Tungsten vs Tungsten / Viton
 
 
For a full range of sizes and options, call Anthony 0417 707 248
Select Seals Pty Ltd is not an authorized distributor of parts or services for the products of any company mentioned in

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Flygt 3127 Pump Mechanical Seals,Upper & Lower Seals

Details
Tunsgten vs Tungsten Carbide / Viton
Carbon vs Tungsten Carbide / Viton
For a full range of sizes and options, call Anthony 0417 707 248
Select Seals Pty Ltd is not an authorized distributor of parts or services for the products of any company mentioned in this web site. Select Seals

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Gland Packing Part 2: Selection

In соntіnuаtіоn from thе рrеvіоuѕ article wе discuss ѕеlесtіоn оf glаnd packings, сuttіng рrосеdurе, rеmоvаl рrосеdurе, ѕtаndаrd ѕіzеѕ оf glаnd расkіngѕ, measuring the length rеԛuіrеd, расkіng іnѕеrtіоn mеthоd аnd cautions and

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Gland Packing Installation Guide: Part 1

Thе іmроrtаnсе оf іnѕtаllіng glаnd packing соrrесtlу саnnоt bе оvеrеmрhаѕіѕеd. Mаnу расkіng fаіlurеѕ аrе due to incorrect installation оf thе расkіng.
Thе fоllоwіng ѕtерѕ hаvе bееn devised to еnѕurе еffесtіvе installation of

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Packing Installation Guide

Packing Installation Guide


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COMPRESSION PACKINGS CALCULATOR

Click Here to View Compression Packings Calculator
 







The importance of packing glands correctly cannot be over-emphasised. Many packing failures are due to

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Flygt 3085 Pump Seals, Xylem 3085 Upper and Lower Mechanical Shaft Seals, 20 mm Shaft Size

Details
Upper Seal: Carbon vs Ceramic / Viton
Lower Seal: Tungsten vs Tungsten Carbide / Viton
 
For a full range of sizes and options, call Anthony 0417 707 248
Select Seals Pty Ltd is not an authorized distributor of parts or services for the products of any company mentioned in this

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Grundfos CR 32 Pump Seal, Cartridge Seal Type, 22 mm Shaft Size

Details Silicon vs Silicon Carbide Viton EP or Buna 22 mm Shaft Size
 
 
For a full range of sizes and options, call Anthony 0417 707 248
Select Seals Pty Ltd is not an authorized distributor of parts or services for the products of any company mentioned in this web site. Select

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Grundfos CR 4 Pump Seal, 12 mm Shaft Size

Details
12 mm Shaft Size
Silicon vs Silicon Carbide
Viton or EP Elastomers / Rubbers

Materials

Silicon vs Silicon Carbide

Viton or EP Elastomers

For a full range of sizes and options, call Anthony 0417 707 248

Select Seals Pty Ltd is not an authorized distributor of parts or

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Grundfos CR8 Pump Seal, 16 mm Shaft Size

Silicon vs Silicon Carbide
Viton or EP Elastomers



Materials

Silicon vs Silicon Carbide

Viton or EP Elastomers

For a full range of sizes and options, call Anthony 0417 707 248

Select Seals Pty Ltd is not an authorized distributor of parts or services for the products of any

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Cartridge Mechanical Seal, 1.750 Single Fits most pumps Silicon vs Silicon Carbide

1.750 Shaft Size
Materials

Silicon vs Silicon Carbide
Viton
316 Stainless Steel

 
For a full range of sizes and options, call Anthony 0417 707 248
Select Seals Pty Ltd is not an authorized distributor of parts or services for the products of any company mentioned in this web

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Cartridge Mechanical Seal, 1.875 Single Fits most pumps Silicon vs Silicon Carbide

1.875 Shaft Size
Materials

Silicon vs Silicon Carbide
Viton
316 Stainless Steel

 
For a full range of sizes and options, call Anthony 0417 707 248
Select Seals Pty Ltd is not an authorized distributor of parts or services for the products of any company mentioned in this web

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Cartridge Mechanical Seal, 1 1/2 Silicon vs Silicon Carbide

1.500 mm Shaft Size
Materials

Silicon vs Silicon Carbide
Viton
316 Stainless Steel

 
For a full range of sizes and options, call Anthony 0417 707 248
Select Seals Pty Ltd is not an authorized distributor of parts or services for the products of any company mentioned in this web

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Cartridge Mechanical Seal, 1 Inch 25.4 mm Silicon vs Silicon Carbide

1.00 (25.4) mm Shaft Size
Materials

Silicon vs Silicon Carbide
Viton
316 Stainless Steel

 
For a full range of sizes and options, call Anthony 0417 707 248
Select Seals Pty Ltd is not an authorized distributor of parts or services for the products of any company mentioned in this

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Cartridge Mechanical Seal, 1 1/4 Silicon vs Silicon Carbide

1.250 mm Shaft Size
Materials

Silicon vs Silicon Carbide
Viton
316 Stainless Steel

 
For a full range of sizes and options, call Anthony 0417 707 248
Select Seals Pty Ltd is not an authorized distributor of parts or services for the products of any company mentioned in this web

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Cartridge Mechanical Seal, 1 3/8 Silicon vs Silicon Carbide

1 3/8 (1.375) mm Shaft Size
Materials

Silicon vs Silicon Carbide
Viton
316 Stainless Steel

 
For a full range of sizes and options, call Anthony 0417 707 248
Select Seals Pty Ltd is not an authorized distributor of parts or services for the products of any company mentioned in

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Cartridge Mechanical Seal, 60 mm Silicon vs Silicon Carbide Viton

60 mm Shaft Size
Materials

Silicon vs Silicon Carbide
Viton
316 Stainless Steel

 
For a full range of sizes and options, call Anthony 0417 707 248
Select Seals Pty Ltd is not an authorized distributor of parts or services for the products of any company mentioned in this web

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Cartridge Mechanical Seal, 55 mm Silicon vs Silicon Carbide Viton

55 mm Shaft Size
Materials

Silicon vs Silicon Carbide
Viton
316 Stainless Steel

 
For a full range of sizes and options, call Anthony 0417 707 248
Select Seals Pty Ltd is not an authorized distributor of parts or services for the products of any company mentioned in this web

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Cartridge Mechanical Seal, 53 mm Silicon vs Silicon Carbide Viton

53 mm Shaft Size
Materials

Silicon vs Silicon Carbide
Viton
316 Stainless Steel

 
For a full range of sizes and options, call Anthony 0417 707 248
Select Seals Pty Ltd is not an authorized distributor of parts or services for the products of any company mentioned in this web

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Cartridge Mechanical Seal, 43 mm

43 mm Shaft Size
Materials

Silicon vs Silicon Carbide
Viton
316 Stainless Steel

 
For a full range of sizes and options, call Anthony 0417 707 248
Select Seals Pty Ltd is not an authorized distributor of parts or services for the products of any company mentioned in this web

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Cartridge Mechanical Seal, 1.625 Single Fits most pumps Silicon vs Silicon Carbide

1 5/8 Shaft Size / 1.625
Materials

Silicon vs Silicon Carbide
Viton
316 Stainless Steel

 
For a full range of sizes and options, call Anthony 0417 707 248
Select Seals Pty Ltd is not an authorized distributor of parts or services for the products of any company mentioned in this

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Cartridge Mechanical Seal, 48 mm

48 mm Shaft Size
Materials

Silicon vs Silicon Carbide
Viton
316 Stainless Steel

 
For a full range of sizes and options, call Anthony 0417 707 248
Select Seals Pty Ltd is not an authorized distributor of parts or services for the products of any company mentioned in this web

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Videos

Faulty Brazing on Mechanical Seal

http://mechanicalsealsinternational.com.au/wp-content/uploads/2014/09/FaultyBrazingOnMechanicalSeal2.mp4

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Davey QB Spa Pump Mechanical Seal

For a full range of sizes and options, call Anthony 0417 707 248
Select Seals Pty Ltd is not an authorized distributor of parts or services for the products of any company mentioned in this web site. Select Seals Pty Ltd products are aftermarket alternatives. Select Seals Pty Ltd is not

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Onga STA-RITE Pool Pump Seals, P/n 700273 160, 161, 161-1, MP26, PP36, CR10

Carbon vs Ceramic
Nitrile
 
 
 
For a full range of sizes and options, call Anthony 0417 707 248
Select Seals Pty Ltd is not an authorized distributor of parts or services for the products of any company mentioned in this web site. Select Seals Pty Ltd products are

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Onga Pump Seal, Fits Pump Model 384 / 387 / 185 Part No702617

Carbon vs Ceramic
Nitrile
 
 
 
For a full range of sizes and options, call Anthony 0417 707 248
Select Seals Pty Ltd is not an authorized distributor of parts or services for the products of any company mentioned in this web site. Select Seals Pty Ltd products are

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Onga Pantera Pump Seal

Carbon vs Ceramic
Nitrile
 
 
 
For a full range of sizes and options, call Anthony 0417 707 248
Select Seals Pty Ltd is not an authorized distributor of parts or services for the products of any company mentioned in this web site. Select Seals Pty Ltd products are

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Onga Pump Seal, Shallow Well Jet Pump Seal and Deep Well Jet

Carbon vs Ceramic
Nitrile
Fits The Following Models: 543/544/545/546/ Deep Well Jet 503/504/JJO/JJI/JJ10,JJ20
 
 
For a full range of sizes and options, call Anthony 0417 707 248
Select Seals Pty Ltd is not an authorized distributor of parts or services for the products of any

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OEM Kevlar® Aramid Packing

We keep the most popular sizes in stock, ready to ship to you 24 hours a day, 7 days a week.
USA Quality Brand
Aramid Fibre-- Properties and Applications

Aramid fiber is an aromatic polyamide, much better known by trade names such as Kevlar ® (DuPont) and Twaron® (Teijin Twaron). Many

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Stern Tube Gland Packing 5/16 (7.9 mm) 8 Meter Box

How To Install A Stuffing Box







 

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Stern Tube Gland Packing 3/8 (9.5 mm) 8 Meter Box

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Graphite Packing 3/4 (19.5 mm) 8 Meter Box

General Service Packing / Suitable for rotary and reciprocating equipment
Recommended For: Mild acids, Alkalies, steam, brine oil.
Service Conditions: Shaft Speeds to 1885 FPM, temprature to 450F / 232 C, ph range 4-10


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Graphite Packing 5/8 (15.8 mm) 8 Meter Box

General Service Packing / Suitable for rotary and reciprocating equipment
Recommended For: Mild acids, Alkalies, steam, brine oil.
Service Conditions: Shaft Speeds to 1885 FPM, temprature to 450F / 232 C, ph range 4-10


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Graphite Packing 1/2 (12.7 mm) 8 Meter Box

General Service Packing / Suitable for rotary and reciprocating equipment
Recommended For: Mild acids, Alkalies, steam, brine oil.
Service Conditions: Shaft Speeds to 1885 FPM, temprature to 450F / 232 C, ph range 4-10


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Graphite Packing 5/16 (7.9 mm) 8 Meter Box

General Service Packing / Suitable for rotary and reciprocating equipment
Recommended For: Mild acids, Alkalies, steam, brine oil.
Service Conditions: Shaft Speeds to 1885 FPM, temprature to 450F / 232 C, ph range 4-10


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Graphite Packing 3/8 (9.5 mm) 8 Meter Box

General Service Packing / Suitable for rotary and reciprocating equipment
Recommended For: Mild acids, Alkalies, steam, brine oil.
Service Conditions: Shaft Speeds to 1885 FPM, temprature to 450F / 232 C, ph range 4-10


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Graphite Packing 1/4 (6.35 mm) 8 Meter Box

General Service Packing / Suitable for rotary and reciprocating equipment
Recommended For: Mild acids, Alkalies, steam, brine oil.
Service Conditions: Shaft Speeds to 1885 FPM, temprature to 450F / 232 C, ph range 4-10


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Graphite Packing 1/8 (3.175 mm) 8 Meter Box

General Service Packing / Suitable for rotary and reciprocating equipment
Recommended For: Mild acids, Alkalies, steam, brine oil.
Service Conditions: Shaft Speeds to 1885 FPM, temprature to 450F / 232 C, ph range 4-10


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Nash Pump Seals, 43 mm Shaft Size

Materials

Silicon vs Silicon Carbide
Viton Elastomers

 

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Expanded PTFE Tape, Teadit 24B, James Walker 3/4 x 15ft

Temprature Range: - 450 F  Up To +600 F
Pressure Range: Full Vacuum Up To 3000 PSiG
Inert To All Common Chemicals (pH 0-14)
Meets FDS Requirements 21 CFR 177.15550

 
 
For a full range of sizes and options, call Anthony 0417 707 248
Select Seals Pty Ltd is not an authorized

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Expanded PTFE Tape, Teadit 24B, James Walker 5/8 x 15 ft

Temprature Range: - 450 F  Up To +600 F
Pressure Range: Full Vacuum Up To 3000 PSiG
Inert To All Common Chemicals (pH 0-14)
Meets FDS Requirements 21 CFR 177.15550

 
 
For a full range of sizes and options, call Anthony 0417 707 248
Select Seals Pty Ltd is not an authorized

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Expanded PTFE Tape, Teadit 24B, James Walker 1/4"x 50 ft

Temprature Range: - 450 F  Up To +600 F
Pressure Range: Full Vacuum Up To 3000 PSiG
Inert To All Common Chemicals (pH 0-14)
Meets FDS Requirements 21 CFR 177.15550

 
 
For a full range of sizes and options, call Anthony 0417 707 248
Select Seals Pty Ltd is not an authorized

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PTFE Gland Packing, 3/8 (9.5 mm ) 8 Meter Box

General Service,PTFE 
Equipment: General service on rotary and reciprocating pumps,agitators
Recommended For: Caustic, mild acids, difficult chemicals, air, gases, solvents, oils, general chemical applications
Service Conditions: Shaft speeds to 1885, temperatures to 500 F/260C, pH 3-11

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Expanded PTFE Tape, Teadit 24B, James Walker 3/8"x 82'ft

Temprature Range: - 450 F  Up To +600 F
Pressure Range: Full Vacuum Up To 3000 PSiG
Inert To All Common Chemicals (pH 0-14)
Meets FDS Requirements 21 CFR 177.15550

 
 
For a full range of sizes and options, call Anthony 0417 707 248
Select Seals Pty Ltd is not an authorized

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Expanded PTFE Tape, Teadit 24B, James Walker One Inch X 82 ft

Temprature Range: - 450 F  Up To +600 F
Pressure Range: Full Vacuum Up To 3000 PSiG
Inert To All Common Chemicals (pH 0-14)
Meets FDS Requirements 21 CFR 177.15550

 SIZE: 3/4 Inch x 15 ft
 
 
 
For a full range of sizes and options, call Anthony 0417 707 248
Select

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