Friday, August 8, 2008

Aluminum extruded rods

ASTM B317 / B317M - 07
ASTM B317 / B317M - 07 Standard Specification for Aluminum-Alloy Extruded Bar, Rod, Tube, Pipe, Structural Profiles, and Profiles for Electrical Purposes (Bus Conductor)
Active Standard ASTM B317 / B317M Developed by Subcommittee: B07.03 Book of Standards Volume: 02.02
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ASTM License Agreement

ASTM B317 / B317M
1. Scope
1.1 This specification covers 6101 aluminum-alloy extruded bar, rod, tube, pipe, (Schedules 40 and 80), structural profiles, and profiles in selected tempers for use as electric conductors as follows:
1.1.1 Type BHot-finished bar, rod, tube, pipe, structural profiles and profiles in T6, T61, T63, T64, T65, and H111 tempers with Type B tolerances, as shown in the "List of ANSI Tables of Dimensional Tolerances."
1.1.2 Type CHot-finished rectangular bar in T6, T61, T63, T64, T65, and H111 tempers with Type C tolerances as listed in the tolerances and permissible variations tables.
1.2 Alloy and temper designations are in accordance with ANSI H35.1. The equivalent Unified Numbering System alloy designation in accordance with Practice E 527 is A96101 for Alloy 6101. Note 1 - Type A material, last covered in the 1966 issue of this specification, is no longer available; therefore, requirements for cold-finished rectangular bar have been deleted.
1.3 For acceptance criteria for inclusion of new aluminum and aluminum alloys in this specification, see Annex A2.
1.4 The values stated in either SI or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
2. Referenced Documents
B193 Test Method for Resistivity of Electrical Conductor MaterialsB253 Guide for Preparation of Aluminum Alloys for ElectroplatingB557/B557M Test Methods of Tension Testing Wrought and Cast Aluminum- and Magnesium-Alloy ProductsB660 Practices for Packaging/Packing of Aluminum and Magnesium ProductsB666/B666M Practice for Identification Marking of Aluminum and Magnesium ProductsB807/B807M Practice for Extrusion Press Solution Heat Treatment for Aluminum AlloysB881 Terminology Relating to Aluminum- and Magnesium-Alloy ProductsB918 Practice for Heat Treatment of Wrought Aluminum AlloysE1004 Practice for Determining Electrical Conductivity Using the Electromagnetic (Eddy-Current) MethodE1251 Test Method for Analysis of Aluminum and Aluminum Alloys by Atomic Emission SpectrometryE29 Practice for Using Significant Digits in Test Data to Determine Conformance with SpecificationsE290 Test Methods for Bend Testing of Material for DuctilityE34 Test Methods for Chemical Analysis of Aluminum and Aluminum-Base AlloysE527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)E55 Practice for Sampling Wrought Nonferrous Metals and Alloys for Determination of Chemical CompositionE607 Test Method for Atomic Emission Spectrometric Analysis Aluminum Alloys by the Point to Plane Technique Nitrogen AtmosphereE716 Practices for Sampling Aluminum and Aluminum Alloys for Spectrochemical AnalysisMIL-STD-129 Marking for Shipment and StorageFed. Std. No. 123 Marking for Shipment (Civil Agencies)H35.1/H35.1 (M) Alloy and Temper Designation Systems for AluminumH35.2 Dimensional Tolerances for Aluminum Mill ProductsH35.2 (M) Dimensional Tolerances for Aluminum Mill Products
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Product Categories for aluminum companies in india
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Sharpeners and Sharpening Stones - (100 companies) Sharpeners and sharpening stones are used for sharpening edges and honing internal or external surfaces. They are generally stones or bonded abrasive product with a rectangular block or shaped stick configuration. Search by Specification Learn more about Sharpeners and Sharpening Stones
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Aluminum Electrolytic Capacitors - (118 companies) Aluminum electrolytic capacitors use an electrolytic process to form the dielectric. Wet electrolytic capacitors have a moist electrolyte. Dry or solid electrolytic capacitors do Search by Specification Learn more about Aluminum Electrolytic Capacitors
Aluminum Framing Systems - (86 companies) Aluminum framing systems are modular systems assembled from extruded aluminum profiles and accessories that are used to construct machine frames, enclosures, jigs, conveyors and many other products Learn more about Aluminum Framing Systems
Profiles and Structural Shapes - (628 companies) Profiles and structural shapes include shaped stock with uniform cross sections such tees, angles or beams manufactured through extrusion, continuous casting, roll forming, and other processes. Learn more about Profiles and Structural Shapes More >>

Designer Alloys, Alloys, Special & Obsolete Alloys All Metals & Forge
Aluminum Die Casting Alloys Purity Casting Alloys Ltd.
MacFRAME ALUMINUM EXTRUSIONS AND HARDWARE Macron Dynamics, Inc.

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Brass extruded rods


Brass Extrusion
Brass Rod
Brass Ingot
Brass Billet
Brass Profile
Brass Section



We manufacture Brass Extrusion including extruded brass rod, brass ingot, brass billet, extruded brass profile, extruded brass section in conformation to different standards like IS, BS, DIN, ASTM etc. These Brass Extrusions find application in the manufacture of various items like Shafts, Lock bodies, Gears, Pinions, Automat parts, Screws, Nuts etc.


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Thursday, July 31, 2008

cw cable gland

Application for cw cable gland:
For use with armored cable, secures armoring and provides electrical continuity between amour and gland entry component. Also provides a seal on the outer sheath of the cable thus ensuring no damage to cable sheathing. These are used both indoor and outdoor, in all climatic conditions as it is weatherproof & waterproof.

Design Features :
cw cable gland has design feature best in the industry such as* 2 part amour / earth lock * Knurled amour lock produces a low resistance earth clip
Also available in CIEL ( cast integral earth lug) for orders add “ C “ to prod. code.

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Monday, July 28, 2008

Cable glands, adaptors and Stopping Plugs

The following is a comprehensive list of CMP Cable Glands and Adaptors, Reducers & Stopper Plugs with ATEX approval status, and links directly to the appropriate certification document provided :-

CABLE GLANDS
A2F, A2FRC, SS2K, SS2KPB, A4e, 2A4F - SIRA02ATEX1057X
CWe, CXe, E1FW, E1FX/Z, E2FW, E2FX/Z - SIRA01ATEX3287X
E1FW - SIRA01ATEX1286X
C2K - SIRA01ATEX3283X
T3CDS, T3CDSPB - SIRA00ATEX1148X
WR, X/ZR - SIRA01ATEX1289X
PX2K, PX2KPB, PXSS2K, PX2KX, PX2KW, PXB2KX - SIRA01ATEX1285X

ADAPTORS, REDUCERS & STOPPER PLUGS
737 Adaptors & Reducers - SIRA00ATEX1284U
747, 757, 767 Stopper Plugs - SIRA00ATEX1284U

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Sunday, July 6, 2008

Industry Interpretation of CE Marking Requirements

According to the Low Voltage Directive (73/72/EC) most low voltage electrical equipment must meet certain essential safety requirements before it can be sold in EU member states. All such equipment (except items which are purely components) must also be CE marked in accordance with Directive 93/68/EEC. To bear the CE mark, equipment must meet the essential safety requirements of the Directive, and the manufacturer or importer must maintain a file in which he keeps (amongst other information) details of how he can demonstrate that the products meet these requirements.

It is possible to meet the requirements by ensuring and demonstrating that the equipment is designed and constructed in accordance with those requirements. However it is easier if the product is “presumed to comply”. Such a presumption is made if the products are manufactured in accordance with harmonised European standard documents (of types EN or HD), or IEC standards (where no EN/HD exists) or National standards (where not yet published at European level).

At one time the definition of a “harmonised” standard in the context of the LVD was not the same as in the case of other “New Approach” Directives, where “harmonisation” is concluded only once the EN standard is listed in the Official Journal of the EU as offering a presumption of conformity with a particular Directive. In the case of the LVD, the EN standard became “harmonised” on publication at national level. This now appears to have changed so that the LVD works like other directives. There is now a nationally published European (EN) standard for cable glands (BS EN 50262:1999) which covers all cable glands which feature cable retention, cable sealing and metric threads.

The EU issues a Guide to the LVD and in this guide states quite clearly that cable management systems are included in the scope of the Directive as equipment. Coupled with advice received from both BEAMA and the DTI, the GMTC has for a long time adopted the policy that cable glands are both completely within the scope of the Directive and must be CE marked. The hierarchy of methods GMTC members adopt to meet the essential safety requirements of the Directive is therefore:

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Thursday, June 26, 2008

List of suppliers of Cable glands from India


thermoplastic cable glands

Prism Control Gear Pvt. Ltd. supplies thermoplastic cable glands, industrial plug sockets and enclosures. We also focus on parallel groove conduits and connectors. Our connector consists of cap nut, centre section & lock nut, which provides quick & secure assembly for parallel groove conduits. Our conduits have high compressive strength and good wearing properties, which is suitable for variety of applications in all kinds of machine installations especially for controls, moving machine parts, motor connections, internal connection in distribution & control cabinets and industry & commercial buildings.

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Instructions for installation of Ex cable glands

PLEASE STUDY CAREFULLY ALL PAGES OF THESE INSTRUCTIONS BEFORE INSTALLATION.
These glands should not be used in any application other than those mentioned here or in our Data Sheets, unless Peppers states in writing that the product is suitable for such application. Peppers can take no responsibility for any damage, injury or other consequential loss caused where the glands are not installed or used according to these instructions. This leaflet is not intended to advice on the selection of cable glands.
Page 11
Sierra Instruction Manual
ATEX Certified Units: 640S-EEX & 780S-EEX
Page 11 of 14


STEP-BY-STEP FITTING INSTRUCTIONS (NOTE: No Back Nut in D1W gland)
1. Split gland as shown. Remove Seal to reduce cable damage. E2 types:- remove Continuity
Washer. E9 types:- remove Deluge Seal.
2. Check Clamp:- FOR KITS E1L/D1L/E9L ETC:- Use PLAIN clamp ring for wire armour. Use GROOVED clamp ring IN BAG for woven wire or tape armour.
3. Fit Entry Body. For correct torque see page 2. DO NOT EXCEED MAX TORQUE FOR ENCLOSURE.
Slide Rear Assembly including Clamp onto cable as shown.
4. Prepare cable as shown in diagram.
A Strip outer jacket andarmour, length to suit installation. For lead sheathed cable the lead sheath must pass through the Continuity Washer when installation is complete.
B Expose armour approx. 20mm long.
5. Slide Cone onto inner sheath and under armour. Slide Clamp onto exposed armour.
Insert cable through Entry Body. DO NOT RE-FIT SEAL OR CONTINUITY WASHER.
6. Tighten Mid Cap to Entry Body to make-off armour. FOR CORRECT TORQUE SEE PAGE 2.
7. Loosen off Mid Cap to visually check armour is securely locked. Pull out cable from Entry Body.
8. RE-FIT SEAL (AND CONTINUITY WASHER ON E2 TYPES) (AND DELUGE SEAL ON E9
TYPES).
9. Re-insert cable through Continuity Washer, Seal and Entry Body. For lead sheathed cable the Continuity Washer must be in contact with the lead sheath and must be in front of the seal.
10. Re-tighten Mid Cap to correct torque.
11. Hold Mid Cap with wrench and tighten Back Nut onto cable.
12. Ensure Seal makes full contact with cable sheath, then tighten Back Nut 1 extra turn
Page 12


Sierra Instruction Manual
ATEX Certified Units: 640S-EEX & 780S-EEX

BS EN 60079-10 Classification of Hazardous Areas ? BS EN 60079-14 Electrical Installations in hazardous areas (other than mines) ? BS
6121, Part 5 Selection, Installation and Maintenance of Cable Glands
2
Installation should only be carried out by a competent electrician, skilled in cable gland installation.
3



NO INSTALLATION SHOULD BE CARRIED OUT UNDER LIVE CONDITIONS.
4
To maintain Ingress Protection ratings above IP54, use IP washers or O-rings for parallel threads. For taper threads use thread sealant. Also see
page 1 diagram and Hole Data above.
5
The surface of the enclosure should be sufficiently flat and rigid to make both the IP joint, and earth contact where needed. With painted
enclosures, a star washer should be fitted to break through the paint and make a satisfactory earth contact.
6
Once installed do not dismantle except for occasional inspection. If necessary, dismantle by reversing the Fitting Instructions given above. The gland is not serviceable and spare parts are not supplied.
7
Parts are not interchangeable with any other design. If manufacturers' parts are mixed, certification will be invalidated.

Limitations on Usage. Be sure your installation complies with the following:
Feature
Comment
Enclosure entry
thread

The female thread in the enclosure must comply with clause 5.3 of EN 50018, or clause 5.3 of IEC 79-1, as appropriate. Do not damage threads on assembly. Check the number of full turns of thread engaged is at least 5.


Cable construction
The glands should only be used with substantially round and compact cables with extruded bedding (i.e. effectively filled cables).
Interpretation of Markings.
Markings on the outside of this gland carry the following meanings:
Cable Gland Type & Size E-a-b-IE-c-FR-ddd-eee-IP67-nn
a
= Seal Type
1 = Neoprene (black - temp range –20º to +85ºC)
2 = Neoprene with Continuity washer for lead sheathed cable
3 = Silicone (white or red - temp range –60º to +180ºC) ;
b
= Armour clamping
W = single wire armour
XZ = woven steel wire/tape
L
= Kit for W and XZ
IE
= Integral Earth stud option
c
= Main component material
none = brass
S = stainless steel ;



Protection Concept and Gas Groups EEx d IIC / EEx e II (CENELEC & ATEX) ;
Ex d IIC / Ex e II (IEC) ; Ex d = Flameproof ; Ex e = Increased Safety ; IIC =
suitable for Gas Group IIC (e.g. hydrogen) ignitable gas/air mixtures, and also
Groups IIB and IIA ; II = combined Gas Group
Certificate Numbers:
(ATEX) SIRA 01ATEX1271X The ‘X’ suffix denotes Special Conditions for Safe Use’ (see
below)
(IEC) IECEx SIR 05.0020X The ‘X’ suffix denotes ‘Conditions of Certification’ (see below)
ATEX (EU Directive 94/9/EC) Markings
II 2 GD - Equipment Group II (Non-Mining) for Category 2 (Zone 1) with
potentially explosive gas mixtures or combustible dusts


ATEX Special Conditions for Safe Use
1. These glands must not be used with EEx d IIC enclosures with a volume greater than 2 litres.
2. These glands must not be used with enclosures where the temperature at the point of mounting exceeds -20°C to +85°C using neoprene seals, or –60° to +180°C using silicone seals.

IEC Ex Conditions of Certification
1. These glands are certified with one specific size of flameproof sealing ring per gland size as supplied.
2. These glands must not be used with enclosures where the temperature at the point of mounting exceeds -20°C to +85°C using neoprene seals, or –60° to +180°C using silicone seals.

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Wednesday, June 25, 2008

How to select/ specify/ order Cable Glands

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Search for Cable Glands by specification

Cable glands are typically single-cable bulkhead modules that allow barrier penetration while providing sealing and strain relief. They are sometime configurable to work with any cable within a specified size range. Important specifications to consider when searching for cable glands include cable diameter, mounting hole diameter, and adjustable diameter. The cable diameter specifies the diameter of the cable that can be fed through the cable gland. The mounting hole diameter refers to the diameter of the barrier or bulkhead hole into which the gland is to be installed. The adjustable diameter is the cable gland can be adjusted to fit various sizes of cable.

Common applications for cable glands include aerospace, cleanroom, fire protection, industrial, marine, panel or enclosure, power or utility, railway, and telecommunications. Aerospace cable glands are designed and rated for use on aircraft or space vehicles and/or equipment; may include applicable approvals for military and/or aircraft use.

Cleanroom cable glands are suitable for use in a cleanroom environment with the associated properties of maintaining positive pressure, prevention of dust and fluid ingress, etc. Fire protection glands are designed and rated for prevention of fire propagation across the bulkhead or barrier. Industrial glands are used in industrial environments such as factories, process plants, mills, etc.

Marine glands are designed for application on ships, offshore mining and drilling settings, or other marine applications.

Panel or enclosure cable glands are specifically designed and rated for penetration into electrical panels and/or electromechanical assembly enclosures.

Power and utility glands are designed for use with public utility equipment such as power transmission, distribution, and high voltage equipment.

Railway glands are designed for use on trains and associated installations.

Telecommunications glands are designed for used with communications cable or conduit. Choices for gland mounting include adhesive or compound, flanged or bolted, threaded or nut mount, welded, and cast. Materials of construction available for glands include aluminum, steel, stainless steel, and plastic.
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Cable glands are typically single-cable bulkhead modules that allow barrier penetration while providing sealing and strain relief. They are sometime configurable to work with any cable within a specified size range. Important specifications to consider when searching for cable glands include cable diameter, mounting hole diameter, and adjustable diameter. The cable diameter specifies the diameter of the cable that can be fed through the cable gland. The mounting hole diameter refers to the diameter of the barrier or bulkhead hole into which the gland is to be installed. The adjustable diameter is the cable gland can be adjusted to fit various sizes of cable.


Common applications for cable glands include aerospace, cleanroom, fire protection, industrial, marine, panel or enclosure, power or utility, railway, and telecommunications. Aerospace cable glands are designed and rated for use on aircraft or space vehicles and/or equipment; may include applicable approvals for military and/or aircraft use. Cleanroom cable glands are suitable for use in a cleanroom environment with the associated properties of maintaining positive pressure, prevention of dust and fluid ingress, etc. Fire protection glands are designed and rated for prevention of fire propagation across the bulkhead or barrier. Industrial glands are used in industrial environments such as factories, process plants, mills, etc. Marine glands are designed for application on ships, offshore mining and drilling settings, or other marine applications. Panel or enclosure cable glands are specifically designed and rated for penetration into electrical panels and/or electromechanical assembly enclosures. Power and utility glands are designed for use with public utility equipment such as power transmission, distribution, and high voltage equipment. Railway glands are designed for use on trains and associated installations. Telecommunications glands are designed for used with communications cable or conduit. Choices for gland mounting include adhesive or compound, flanged or bolted, threaded or nut mount, welded, and cast. Materials of construction available for glands include aluminum, steel, stainless steel, and plastic.


Common features for cable glands include firestop, explosion proof, EMI or RFI shielding, and pre-terminated cable accommodation. Firestop cable glands are designed to withstand fire propagation through barrier. Explosion proof cable glands are designed for some level of explosion safety. EMI and RFI shielding and associated grounding features are used minimize or eliminate electromagnetic (EMI) and radio frequency interference (RFI). Transits configured to accommodate cables with end connectors or terminations already installed; transit can typically be opened up to allow termination pass through and enable subsequent resealing.

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Enclosures and Stopping Plugs

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Various types of Cable Glands

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Cable Glands assembly instructions

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FAQs

Technical info
The GMTC Guide to BS EN 50262 and BS 6121 (new edition), Parts 1 and 5
the new standards for Electrical Cable Glands, their accessories and use
The Gland Manufacturers Trade Committee (formerly Technical Committee) was founded in 1975, and represents the cable gland manufacturers within the UK. It is represented on several UK and European standards committees, and collectively ensures the safe design manufacture and installation of cable glands.

Contents:

Introduction
Timing of Changes
Structure
The New Methodology
CE Marking
Philosophy
More Information, More Decisions
Industry Interpretation of CE Marking Requirements
Test Requirements
Increased Flexibility of Design
Amendments to EN 50262
Classifications
What is a Cable Gland
Information
CE Marking
Hazardous Area Products
Pitfalls


References


Amendments

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