A
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BRAND
Diamond
®
Hardware Products
St
Drop Hardware
Construction Hardware
Bonding & Grounding Hardware
Fastening Hardware
Installation Supplies
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Diamond Hardware Products
Table of Contents
Diamond Hardware Overview
The Diamond
®
Difference
™
Broadband Drop System
CATV Bonding and Grounding Methods
®
Pages 2-5
2-3
4
5
Bonding & Grounding Hardware
Bonding Clamps
Ground Blocks
Grounding Clamps
Grounding Straps
Mechanical - Split Bolt Connectors
Mechanical - Jumper Clamps
Mechanical - Ground Rod Clamps
Mechanical - Grounding Conns & Clamps
Pages 29-37
29-30
31
32
33
34
34
35
36
Drop Hardware
Drop Wire Clamps
Span Clamps
Clamps - Conduit and Pipe
Brackets
Hooks
Rings, Screw Fixtures
Cable Clips
Cable Clamps
Cable Ties and Bushings
Drive Rings, Wire Loops
Drive Pins, Drive Tools
Pages 6-21
6-7
8-9
10-11
12
13
14
15-17
18
19
20
21
Fastening Hardware
Cable Support System
Standard Cable Ties
Specialty Cable Ties
Stainless Steel Cable Ties
Identification Cable Ties
Beaded CableTies, Push Mount CableTies
Air Handling Cable Ties
Cold Weather Cable Ties
Cable Tie Mounting Pads
Cable Tie Screw Mounts
Cable Tie Mounts
Cable Ties Identification Plates
Cable Tie Specialty Packs
Pages 38-57
38-40
41-43
44-45
46-48
48
49
50
51
51-52
53
54-55
55
56-57
Construction Hardware
Lashed Cable Supports
Clamps
Hangers, Brackets, Hooks
Tap Brackets
Aerial Cable Damper
Pages 22-28
22-23
24
25
26-27
28
Installation Supplies
Wall Plates
Hardware and Rough-In Products
Pages 58-59
58
59
Index
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Pages 60-62
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The Diamond Difference
™
Does Your Hardware Pass the Test of Time?
Diamond
®
Products Stand the Test of Time.
The unique, proprietary approach that we have to mechanical galvanizing, and the standards that we insist on for our raw
materials, ensure that Diamond parts can withstand corrosive environments for decades, a factor that is important today
since replacement costs are so high. The photographs below clearly demonstrate the Diamond Difference. Even after 672
hours under the same conditions, Diamond mechanically galvanized parts keep their integrity.
Diamond
®
Advantage
We mechanically galvanize to ensure that Diamond products will
stand the test of time.
•
Mechanically galvanized parts have a superior resistance to
®
What is Mechanical Galvanizing?
It is a plating process whereby zinc is mechanically deposited on
properly prepared steel parts. A uniform coating thickness of zinc is
applied by placing the parts in a rotating barrel with the correct
recipe of water, glass beads and various chemicals. The impact
of the glass beads on the steel parts deposits a layer of zinc onto
the metal surfaces. Subsequent layers build up until the required
thickness is achieved. The zinc deposited onto the metal surface may
be considered a sacrificial coating. Over time this coating slowly
reacts with the environment (moisture and air) and becomes mottled
producing 'white rust'. The appearance of white rust means that the
coating is being sacrificed to protect the underlying steel part.
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corrosion.
•
It is the most effective method for small parts.
•
The process does not clog the threads of nuts and bolts, thus
parts can be put together quickly and easily.
•
Threaded parts do not 'gall' producing more accurate torque-
tension relationships.
•
Eliminates the problem of Hydrogen Embrittlement. Heat-
treated parts do not detemper or weaken since the galvanizing
process takes place at room temperature.
The Diamond
®
Difference
™
We do not depend on the process of mechanical galvanizing alone
to provide us with products that will stand the test of time.
•
Raw materials are carefully selected and must meet or exceed
the standards we have established over the years.
•
How these materials are combined and prepared is unique to
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the Belden Diamond method of manufacture.
•
Our emphasis is on quality control and process management.
•
Every stage of the manufacturing and galvanizing process is
controlled and monitored.
•
To achieve the Diamond Difference no corners can be cut and
no process steps excluded.
5
The Mechanical
Galvanizing Process
2
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Salt Spray Test Results
5% salt solution (as used in ASTM B117) is sprayed upon parts
in a closed chamber until the first indication of red rust appears.
Diamond
First indication of Red Rust
on competitor product.
How Service Life in Hours* Equates to Service Life
in Years in Different Environments
Environment
Rural
48
Hours
4.2 Years
2.2 Years
1.5 Years
336
Hours
672
Hours
850
Hours
30 Years 60 Years 75 Years
16 Years 32 Years 40 Years
11 Years 22 Years 28 Years
Competitor
Suburban
Moderate
Industrial
Heavy
Industrial
48 Hours
11 Months 6.5 Years 13 Years 17 Years
*Under Test Conditions
Information Source: Iron Age Magazine (Zinc Institute) Oct. 1980 Issue.
Bell Spec Standard.
336 Hours
First Indication of Red Rust
on Diamond Product.
Parts tested to ASTM B117 under laboratory
conditions within Belden certified testing facility.
672 Hours
Meeting Your Specifications
We ensure consistent performance and quality by adhering to the following industry standards and specifications used within the
Telecommunications Industry.
Bell Core
The Bell Operating Companies (RBOC's) borne of the AT&T divestiture were the first organizations to recognize the
need for and to establish quality standards and specifications for pole line hardware in the USA. Bell Communications
Research Inc. or 'Bellcore' specifications are acknowledged standards for pole line, drop and bonding/grounding
hardware.
Society of Cable Telecommunications Engineers (SCTE) is the professional association for the Cable Television industry.
SCTE provides training, certification and standards to the industry and is accredited by ANSI as the industry's body of
record.
American National Standards Institute (ANSI) administers and coordinates U.S. standardization efforts through
facilitation of consensus standards and conforming assessment systems. ANSI is the official United States
representative to ISO and other international accreditation and standardization bodies.
The International Organization for Standardization (ISO) reviews, inspects and approves manufacturer facilities and
methods then awards quality certification. Facilities must continue to meet the certification requirements to maintain
their ISO quality status. Belden's plants are registered to ISO 9001-2000.
The American Standards for Testing and Materials (ASTM) organization in conjunction with manufacturers and industry
associations has established internationally recognized quality standards. The organization specifies materials,
procedures and methods to assure conformance to its standards.
Underwriter's Laboratories is an international safety standards organization, which has established testing criteria for
electrical products to assure their safety for the end user.
The Canadian Standards Association (CSA) has established standards and test criteria to assure satisfactory
performance and function of products destined for use in Canada.
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SCTE
ANSI
ISO
ASTM
UL
CSA
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Diamond Hardware
Broadband Drop System Overview
®
4
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