ENCAPSULATED ‘O’ RINGS - kempchen.cz · All Vulcan Bleed Line Free & Q grade FEP O rings are...
Transcript of ENCAPSULATED ‘O’ RINGS - kempchen.cz · All Vulcan Bleed Line Free & Q grade FEP O rings are...
ENCAPSULATED ‘O’ RINGS
Vulcan FEP Presentation
With over Five hundred employees, in our Modern Factories with
Automated Production and Worldwide Distribution Centre,
Vulcan specialises in the Manufacture and Distribution of;
Standard Mechanical Seals
FEP/PFA Encapsulated ‘O’-Rings Gland Packing’s Expanded PTFE Gasket Materials
We Focus On Being The World’s Best
“Standard Mechanical Seal”
“Encapsulated ‘O’Ring”
Manufacturer And Supplier.
In order to do this, we have a two part company strategy;
Vulcan Company Introduction
Background
We have over 28 years experience with
these products
Closely collaborated with a number of
US manufacturers over many years
In addition to utilising in our Mechanical
Seals we became a huge re-seller
Vulcan are considered one of the
Worlds Leading Distributors
Why Choose FEP Encapsulated O-Rings?
They combine the energising properties
of elastomers with FEP's superior
resistance to extreme temperatures
and hostile chemicals.
They overcome the cold-flow problems
associated with solid PTFE rings
They provide a cost efficient alternative
to expensive perfluoroelastomer rings
Background
Size of the market has been
estimated at $80 million
Controlled by a handful of US
manufacturers
Production process is closely
guarded by these manufacturers
Background
Traditional manufacturers have not
been responsive to market demands
Lead times are long and they are not
prepared to hold stocks to meet
customer service demands
Production process is highly labour
intensive
Background
Labour intensive and demanding
production process.
This results in;
High production costs
High staff turnover
Constant re-training
Possible quality/consistency problems
Opportunity
Until recently only one non-US
manufacturer has emerged
They are now US owned
They face the high cost of UK production
and similar staff problems
There has long been a massive
opportunity for a manufacturer who can
produce high quality products with lower
labour costs.
Opportunity
Vulcan purchased a majority stake in
one of the smaller US manufacturers
High volume production plant now
fully operational in our seal factories
in China
Vulcan can now offer exceptionally
high quality products at the world’s
most competitive prices
Vulcan Chem-Rings
Quality Materials
Material quality is vital to the capability, performance and life of a seal.
Vulcan insist the highest possible grades are always specified
Tightest tolerances specified to ensure the same in finished product
Quality Materials
FEP/PFA Encapsulation Complies with
part 177 of title 21 of the FDA
Regulations in accordance with FDA
Regulation 21 CFR 177.1550Meets USP
Class VI requirements Complies to 3A®
Sanitary Standard Number 20-22
Silicone conforms to FDA Title 21
CFR 177.2600
Quality Manufacture
Competitor manufacturers did not
publish their production tolerances
They worked to double the AS 568
moulded O-Ring tolerances
They would not even certify these
Vulcan Key Inspection Sheets fully
detail our production tolerances
Quality Manufacture
Key Inspection
Sheet includes
full details of
tolerances
THIS IS NOT THE PRODUCTION INSPECTION SHEET
NBV FEP O-RING SKIS SHEET VEL RECEIPT INSPECTION IS FOR Q GRADE/BLEED-LINE FREE
RINGS ONLY
1. GENERAL INFORMATION - [Complete all details]
Stock Code Vulcan Type Invoice No
Batch QTY P/Order No
PACKING METHODOLOGY ( Tick box to confirm correct )
Sealed Plastic Bag with Label Showing - Stock Code, Quantity and Order Number.
2. STANDARD KEY CHECKS - ALL SEAL GROUPS - [Tick boxes on completion ] NBV VEL
Check INNER CORE material is correct to code. Ie. FV = FEP Viton FS = FEP Silicon
Check for AIR GAPS between the core and the encapsulation.
Check separation in vulcanized elastomer core join area. Permissible gap of up to 10% of o-ring cross section, only if filled with bonding agent. See picture 1
Check for visible stress crack or pinhole in encapsulation. Automatic rejection. See picture 2
Check for foreign particles on inner core material. Permissible particle size of up to 5% of o-ring cross section. See picture 3.
Check for blooming. Automatic rejection. See picture 4.
Check for carbon deposit imbedded in encapsulation. Automatic rejection. See picture 5.
Check for wrinkled encapsulation. Automatic rejection. See picture 6.
Check for check the surface finish for marks. Please note, there may be a scratch near the join area, this is the “bleed line”, and will not effect the performance of the seal.
3A. SPECIAL CHECKS – MANUAL INSPECTION DETAILS - [Tick boxes on completion ] NBV VEL
INSIDE DIAMETER –
Touch the inside surface of the o-ring with the jaws of the vernier, without gripping or exerting pressure on the ring. Record the reading at this point.
Repeat this procedure twice more at 60 DEG angles to the original position.
Take an average of the 3 readings to obtain the internal diameter.
CROSS SECTIONAL THICKNESS –
Close the jaws of the vernier around the o-ring cross section until just holding the o-ring, not squeezing it. When unsupported, the ring should fall from the jaws of
the vernier.
Take a reading in the horizontal plain, and then in the vertical plain, at the same point on the ring.
Take an average of the 2 readings and check to the required cross-section tolerance.
Measurements are taken at the join area, immediately to either side of the join area, and at a point opposite the weld area.
What is important, is that the average cross-section does not fall below the minimum tolerance specified.(overleaf)
The accepted Industry standard tolerance for encapsulated o-rings for both ID and cross-section is taken as TWICE the BS 1806 tolerance.
However, Q –GRADE o-rings are produced to suit BS 1806 tolerance.
3B. COMPUTER MACHINE INSPECTION DETAILS - [Tick boxes on completion ] NBV VEL
Sample Inspect each Production Size Batch to detail, size and tolerances shown in Sections 3A and 3C. Pay particular attention to the join weld area.
FINAL INSPECTION MACHINE SAMPLE INSPECTION
Factory Inspection 1 to 25 =3off 26 to 100 = 6off 101 to 900 = 10off 901 to 10000 = 15off
* Receipt Inspection 1 to 25 =1off 26 to 100 = 3off 101 to 900 = 5off 901 to 10000 = 8off
Issue: D Date: 16.06.04 By: VEL/ MW
Vulcan’s Inspection Facilities
Quality Manufacture
Uniquely in the industry we can offer
seals produced to published close
tolerances in two different grades
Q Grade Produced in line with AS 568 tolerances
Vulcan were the first to offer this
Bleed Line Free Standard As Q Grade but produced with a special
moulding process to ensure an improved finish and consistent section in the weld area
Vulcan Encapsulated O-rings
Vulcan BLEED LINE FREE vs Q-GRADE Production All Vulcan Bleed Line Free & Q grade FEP O rings are manufactured to our tightest, published tolerances.
All Vulcan Bleed Line Free & Q grade FEP O rings utilise the very highest quality Dupont FEP/PFA tubing, Viton
core and industry leading Silicone compound.
All Vulcan Bleed Line Free & Q grade FEP/PFA Tubing comply to FDA, USP Class VI & Sanitary 3A
requirements.
All Vulcan Bleed Line Free & Q grade FEP O rings meet the same Temperature, Pressure, Shore Hardness,
Chemical compatibility specifications.
So why specify BLEED LINE FREE production???
Bleed Line Free FEP ‘O’ rings are produced using a Special Moulding process cycle some THREE times that of
Q-grade FEP ‘O’ rings. It is this moulding process that creates;
1) An exact tolerance Weld Area. This ensures any reduction between the Cross Section and Weld area is
minimised. In our experience, such quality is generally specified in highly critical Chemical and Valve
applications.
2) A Weld area without impression marks. Due to the moulding process of Q-grade FEP ‘O’ rings, an Impression
mark is left within the Weld Area that is commonly known as a ‘Scratch’ Mark. Such mark is present in 75% of
the worlds FEP ‘O’ rings and will not present a problem to most applications. Vulcan Bleed Line Free ‘O’ rings
eradicate such impression mark to deter any potential customer complaints or queries.
Vulcan Encapsulated O-rings
Example pictures of Q-grade and Bleed Line Free Production
Guaranteed Ex Stock Range
What is our Guaranteed Ex-stock Range?
Our CORE SIZE RANGE, guaranteed ex-stock in on of either Silicone or Viton® solid core, but routinely both , is:-
Cross Section Full ID Range Covered From
Size From To
Mm inch mm inch mm inch AS/BS number Range
covered by the full ID Range
1.78mm 0.070 6.00mm 0.236 50.00mm 1.968 AS/BS010 AS/BS050
1.80mm 0.070 6.00mm 0.236 50.00mm 1.968 AS/BS010 AS/BS050
2.00mm 0.079 9.00mm 0.354 50.00mm 1.968
2.40mm 0.094 9.00mm 0.354 50.00mm 1.968
2.50mm 0.098 9.00mm 0.354 50.00mm 1.968
2.62mm 0.103 9.00mm 0.354 150.00mm 5.905 AS/BS110 AS/BS178
3.00mm 0.118 14.00mm 0.551 150.00mm 5.905
3.50mm 0.138 14.00mm 0.551 350.00mm 13.779 AS/BS208 AS/BS284
4.00mm 0.157 18.00mm 0.709 250.00mm 13.779 AS/BS208 AS/BS284
5.00mm 0.196 18.00mm 0.709 250.00mm 9.842
5.33mm 0.210 28.00mm 1.102 250.00mm 9.842 AS/BS320 AS/BS377
5.70mm 0.225 60.00mm 2.362 250.00mm 9.842
6.00mm 0.236 60.00mm 2.362 250.00mm 9.842
6.99mm 0.275 60.00mm 2.362 350.00mm 13.779 AS/BS425 AS/BS456
7.00mm 0.275 60.00mm 2.362 350.00mm 13.779 AS/BS425 AS/BS456
2 Day Production Process
In addition to our Ex-Stock Guarantee, Vulcan offer a 2 day production
process for certain cross sections and internal diameters
Standard Cross
Sections Metri
c mm
2 DAY
PRODUCTION FOR
I.D. AND CROSS
SECTION RANGE
SHOWN
BELOW Q
Grade and BLF Grade
FEP mm
FROM TO
1.78 140.00+ N/A
1.80 140.00+ N/A
2.62 150.00+ N/A
3.00 150.00+ N/A
3.50 350.00+ N/A
3.53 350.00+ N/A
4.00 250.00+ N/A
5.00 250.00+ N/A
5.33 250.00+ N/A
5.70 250.00+ N/A
6.00 250.00+ N/A
6.99 350.00+ N/A
7.00 350.00+ N/A
8.00 160.00+ N/A
10.00 200.00+ N/A
SAMPLES
Vulcan FEP
FEP ‘O’-Ring Product Code
Codes
Viton® Core
Silicone® Core
British Standards
BS222
O-ring Size
37.69mmIDx3.53mmCS
Vulcan Code
FV222Q
Tolerance: ID +/-0.30mm CS -0.08/+0.15
Assured Reliability
Our stock levels are at over 800,000
and increasing
Any product ordered by 2 customers
on 3 occasions automatically becomes
a stock item
If any product is a common size we will
have it available from stock
Assured Reliability
Where we do not have ex-stock
availability we offer short production
lead times
Standard Production Orders will be despatched 9 working days from
the Friday of the week when the order is
Received by Vulcan
Special Production Some sizes, particularly small I.D. may have a
longer lead time. This will always be made
clear on all quotations and confirmations
World’s Most Competitive Prices
We have a standard price list for quantities
up to 1,000pcs.
Lower prices for specific boxed quantities.
For quantities over 1,000pcs we ask you to
contact us for special pricing
We will check current production schedules
and respond within 2 hours
With our low cost, highly efficient production
and distribution we can guarantee lower
prices than competitors
Pumps and Valves
Chemical Reactor
Vessels
Mechanical Seals
Cartridge Filters
Pressure Vessels
Heat Exchangers
Autoclaves
Cryogenics
Example Applications
Hose Couplings
Pipelines
Gas Compressors
Access Covers
Chemical Process
Aircraft & Aerospace
Gasoline and Chemical Transport
Oil Refineries
Semi-conductor Manufacture
Photochemical
Refrigeration Engineering
Food Process Industry
Polymer Production
Dye & Paint Manufacture
Example Industries
The Filtration High Flow, Membrane filter housing has the unique
design of assuring the elements are seated in the mount receptacles
before the closure can be tightened.
This prevents improper reseating of cartridges prior to being placed
into service and also keeps possible system back pressure from
dislodging the elements from their respective seals.
MEMBRANE FILTER
HOUSING
FIBREGLASS ROUND DAMPERS
Round dampers are designed for control of air flow in round ductwork. They have all fiberglass reinforced construction for greater resistance to corrosive environments
Example Application
EMERGENCY VALVE
Emergency Valves have been designed to incorporate maximum safety, high flow, low-pressure drop, easy maintenance and offer a long service life. The simplicity of their design makes them ideal for oil companies and transporters of petroleum products.
Example Application
The Relief Valve is a type of valve used to control or limit the pressure in a system or vessel which can be built up by a process upset, instrument or equipment failure, or fire.
Summary
Encapsulated Seals are very simple
products
Our competitors, by guarding the
production process have managed to
avoid offering professional customer
service levels
With the support that Vulcan can offer
our distributors have a great
opportunity to seize a substantial share
of this market
Summary
Long-established, experienced company
Firmly committed to quality – people and
plant, materials, manufacture, inspection,
packaging
Absolute reliability of supply – high stocks,
wide range, short lead times, customer
portals
Competitive prices
Product Design, Materials, Quality, Production,
Range, Stock, Service And Electronic Supply
Supreme Central Position In World Market
Specials, O.E.M’s, Niche Markets
Individually Tailored Pricing:
Most Competitive Supply
13
V.E.B. The Very Best
Vulcan are dedicated to being the;
14
Summary
“World’s Best Standard
Mechanical Seal
And
Encapsulated ‘O’ Ring Company”