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163 Lloyd Street , Pretor ia Industr ia l , Pretor ia West , 0117
www.sinvac.co.za
info@sinvac.co.zaT :+27(0)12-386 6484
Manufacturer of
HDPE Pipe and Fittings
B-BBEE level 2
Member of:
“Your Single Source HDPE Solution Company”
SINVAC HDPE Pipe & Fittings
Content
• SINVAC Group Vision & Mission 3
• SINVAC Companies 4
• Corporate Overview 5
• Products & Services 7
• Pipe Dimensions 8
• Coil Dimensions 9
• Straight Lengths 10
• Jointing Methods 11
• Butt Welding 12
• Electrofusion welding 13
• Stub & Flange Connection 14
• Compression Fittings 15
• Fabricated Fittings 18
• Moulded Fittings 23
• HDPE Properties 24
• Design Considerations 30
• SINVAC Laboratory 33
• Accreditation 34
• Project References 35
To be the preferred one-stop supplier of HDPE pipes, fabricated plastic solutions, piping
projects and related products in Africa.
The SINVAC mission is to be the preferred supplier of HDPE piping systems and related
products in Africa. This competitive position is derived from its customer centricity, ability to
provide an all-inclusive solution from pipes to installed projects at a world class service level.
SINVAC is an OEM for most of its products and manufacture and supply its products in a
structured way with innovative, enthusiastic team players.
SINVAC GROUP VISION
SINVAC GROUP MISSION
SINVAC Plastics
SINVAC Plastics is the most experienced
roto moulder in South Africa and was
established in 1962. We supply a wide
range of high quality plastic roto
moulded items and accessories.
SINVAC Mining & Engineering
SINVAC Mining & Engineering was
established end 2007 to operate from the
manufacturing platform created by SINVAC
Piping, SINVAC Plastics and Johannesburg
Foundry.
SINVAC Piping
SINVAC Piping manufacturers SINVACLITE
and SABS HDPE pressure pipe under
SANS accreditation and supply brackets,
stubs, bends, tee’s, flanges and fittings to
a wide variety of industries.
SINVAC Development Trust
More than just the corporate social
investment activities of the SINVAC
Investments (Pty) Ltd group. Giving back
and serving within the range of The
SINVAC Group’s product and service
solutions.
SINVAC COMPANIES
Corporate Overview
5
SINVAC HDPE Pipe and Fittings
Company Profile
SINVAC Piping Systems focuses on HDPE Pipes and associated fittings, which is
manufactured by SINVAC Mining & Engineering (Pty)Ltd and SINVAC (Pty)Ltd, two
companies in the SINVAC Group of Companies operating from “SINVAC House” in
Pretoria-West.
The use of HDPE pipes have continuously grown in volume, diameter and wall thickness
all over the world. With each growth step, new applications and markets have opened
up. The successful and sustainable application of HDPE pipes is dependent on a number
of key factors as a part of the PIPING SYSTEM. The purpose of this “HDPE Pipe and
associated fittings catalogue” is to bring together all these elements guiding the work of
SINVAC Mining & Engineering to deliver PIPING SYSTEMS.
This catalogue is a combination of the practical elements from different sources
accumulated over a number of years and used by SINVAC. Future revisions will continue to reflect improvements in both practical and technical content.
SHEQ Policy
SINVAC’s policy is to ensure the responsible management of all its activities. Excellence in
HSEC performance is essential to this policy and SINVAC will:
• Provide a safe and healthy work environment for its employees and aim to eliminate all
• incidents and injuries.
• Develop a culture which encourages employees to take personal responsibility for HSE.
• Ensure HSE considerations are integrated into all activities.
• Be a responsible corporate member of society.
• Minimize environmental impact and optimize the use of natural resources.
• Meet or exceed regulations and legal requirements.
Consistent and disciplined execution is extremely important in achieving the results aimed
for.
Continuous improvement forms an integral part of our system so as to ensure that all the control measures / procedures stay relevant and develop further.
Corporate Overview
6
SINVAC HDPE Pipe and Fittings
Quality Policy
SINVAC operates in the manufacturing-, fabrication- and projects environments and our
quality system is designed to consistently deliver on time according to our customer
requirements.
On-time:
Order book - To ensure that customer requirements are met regarding timing, an order
book system is in place through which required delivery date is tracked on a daily basis.
Constant communication - Updates of progress to be sent through regularly to
customers.
Customer requirements:
Scope of work (SOW) - Is confirmed before commencement of work so as to ensure that
both parties are in agreement about the requirements.
Quality Control Plans (QCP’s) - Prepared and approved according to customers’
requirements.
Method Statements (MS) - Signed off procedures are followed for key areas of
execution.
Release - Final product is only released to the customer after quality check is done.
Non-conformances:
Customer complaints and internal non-conformances are logged, investigated within 24
hours and corrected with the following basic steps:
• Understand the complaint / deviation / non-conformance and its impact on the
delivery of a quality product.
• Determine the root cause of the non-conformance.
• Implementing immediate corrective action.
• Put in place permanent preventative measures.
Consistent and disciplined execution is extremely important in achieving the results
aimed for.
Continuous improvement forms an integral part of our system so as to ensure that all the control measures / procedures stay relevant and develop further.
Products & Services
7
SINVAC HDPE Pipe and Fittings
HDPE Pipes
HDPE stands for “High-density polyethylene” which is a polyethylene thermoplastic
made from petroleum, by a catalytic process, with a high strength-to-density ratio. The
density of HDPE can range from 0.93 to 0.97 g/cm3 or 970 kg/m3. HDPE is a hard and
dense material and can withstand high temperatures (120 °C/ 248 °F for short periods,
110 °C /230 °F continuously).
It can be easily moulded and welded together. Due to its high chemical resistance
property, it is used in piping systems. HDPE pipes are used to both carry potable water
and hazardous waste. It has other applications also like in making vehicles fuel tanks,
chemical bunds, custom tanks, backpacking frames, bottle caps, food storage containers, etc.
Solid wall pipes
Sinvac Piping (Pty) Ltd manufactures solid wall HDPE Pipes which carries the SABS mark
for, SANS ISO 4427, and we are a member of SAPPMA and IFPA. The HDPE Pipes are
manufacture in coils and in straight lengths.
Plastic pipe materials are extremely versatile and are used in a wide variety of industries.
These include the following:
• Water distribution and sewage disposal Water Supply
• Mining (Surface and Underground) Slurries
• Agriculture / Irrigation
• Fishing Industries
• Chemical effluent Chemical industry • PE in Gas Distribution
Pipe Dimensions
8
SINVAC HDPE Pipe and Fittings
Coil Dimensions
9
SINVAC HDPE Pipe and Fittings
Straight Lengths
10
SINVAC HDPE Pipe and Fittings
Jointing Methods
11
SINVAC HDPE Pipe and Fittings
Butt Welding
12
SINVAC HDPE Pipe and Fittings
Electrofusion Welding
13
SINVAC HDPE Pipe and Fittings
Stub & Flange Connection
14
SINVAC HDPE Pipe and Fittings
Compression Fittings
SINVAC HDPE Pipe and Fittings
Compression Fittings
SINVAC supplies a wide variety of Compression Fittings for all pressure piping applications.
With a pressure rating of up to 16 Bar, maximum safety is kept in mind, for all possible
conditions. Keeping the basic features of easy and fast assembly intact, without any
particular preparation of the pipe.
Product range: d.16-110mm, all the common items for piping applications.
MAIN APPLICATIONS
Water supply, house connection and water treatment plants, sport plants irrigation and
gardening, agriculture and horticulture irrigation.
Female Adaptor Male Adaptor
Compression Coupling End plug
Compression Fittings
16
SINVAC HDPE Pipe and Fittings
Equal T-piece
90 Degree Elbow
Reducing Coupling
Male T-piece Female T-piece
Flanged Adaptor
Compression Fittings
SINVAC HDPE Pipe and Fittings
Male Elbow Female Elbow
Reducing T-piece Copper Pipe Adaptor
Saddles Reducing Elbow
Fabricated Fittings
18
SINVAC HDPE Pipe and Fittings
Fabricated Fittings
19
SINVAC HDPE Pipe and Fittings
Fabricated Fittings
20
SINVAC HDPE Pipe and Fittings
Fabricated Fittings
21
SINVAC HDPE Pipe and Fittings
Backing Rings
22
SINVAC HDPE Pipe and Fittings
Moulded Fittings
23
SINVAC HDPE Pipe and Fittings
90 Degree T-piece
From 20mm to 500mmReducing T-piece
From 50mm to 315mm
90 Degree Bend
From 20mm to 500mm
45 Degree Bend
From 20mm to 500mm
Reducer Concentric
From 20mm to 630mm
Reducer Concentric
From 90mm to 315mm
HDPE Properties
24
SINVAC HDPE Pipe and Fittings
HDPE Properties
25
SINVAC HDPE Pipe and Fittings
HDPE Properties
26
SINVAC HDPE Pipe and Fittings
HDPE Properties
27
SINVAC HDPE Pipe and Fittings
HDPE Properties
28
SINVAC HDPE Pipe and Fittings
HDPE Properties
29
SINVAC HDPE Pipe and Fittings
Design Considerations
30
SINVAC HDPE Pipe and Fittings
Design Considerations
31
SINVAC HDPE Pipe and Fittings
Design Considerations
32
SINVAC HDPE Pipe and Fittings
SINVAC has its own in-house
Polymer LaboratorySINVAC has a World-class Quality Control System in
place to produce great quality HDPE products!
Quality has been the main driving
force for SINVAC to upgrade and
expand the SINVAC Polymer
Laboratory. We invested in
brand new, state-of-the-art
testing equipment, compliant
with the latest international
standards to test conformance
to SANS 4427 and SANS 21138
for HDPE raw material and final
product. Laboratory testing is
done by qualified laboratory
personnel with calibrated
equipment to produce certified
and accurate results. SINVAC’s
Polymer Laboratory takes the
standard of in-house testing in
the SA pipe manufacturing
industry to the next level!
CASE STUDY
……………………………............
Project
Sinvac Polymer
Laboratory
……………………………………..
Client
All Existing & Potential
Sinvac Customers
……………………………………..
Products
HDPE Raw Material,
HDPE Solid &
Structured Wall Pipe
and Final Product
……………………………………..
Testing Equipment
• Melt Flow Index
• Thermal Stability
• Carbon Black Content
& Dispersion
• Tensile Analysis
• Pressure Testing
Accreditation
34
SINVAC HDPE Pipe and Fittings
Project References
35
SINVAC HDPE Pipe and Fittings
Project References
36
SINVAC HDPE Pipe and Fittings
Project name: Copper Project DRC
Client: SENET
Scope of work: Manufacture and Supply
80 km HDPE Pipe and 2830 Fabricated fittings
Value: R76 Million
Total of 340 Trucks
dispatched Project name: Gamsberg Zink Concentrator
Client: Gamsberg Mine / Vedanta
Scope of work: Manufacture & Installation
of Piping Systems
- 17 km of HDPE Pipe
- 17 500 HDPE Fittings
- 2.5 km Lined C/S Pipe
- 1 km Flexible Hose
- 1116 Valves
- 5.6T Steel Pipe Supports
Value: R56 Million
37
38
This HDPE Pipe & Fittings brochure has been produced as a guide for engineers,
purchasing officers and contractors to cover the application and use of our pipes
and fittings. SINVAC (Pty) Ltd guarantees its products quality under its general
conditions of sale.
Tel: +27 (0) 12 386 6484
Fax: +27 (0) 12 386 9484
info@sinvac.co.za
www.sinvac.co.za
Head Office
163 Lloyd Street
Pretoria Industrial
Pretoria West
South Africa
Sales Factory
132 Bessemer Road
Pretoria Industrial
Pretoria West
South Africa
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