High Quality Hook Bolts to Moldova Manufacturers

High Quality Hook Bolts to Moldova Manufacturers

Short Description:

A range of hook bolts, used in the roofing industry for fixing cladding and roofing panels to steel frames. Hook bolts, also commonly known as ‘J’ bolts and supplied with nuts.  Inch Thread Size: 1/4″-4″ with various lengths Metric Thread Size: M6-100 with various lengths Material Grade: Carbon Steel, Alloy Steel, and Stainless Steel covers ASTM F1554, A307, A449, A354, A193, A320, F593, ISO 898-1 4.8, 6.8, 8.8, 10.9 Finish: Plain, Black Oxide, Zinc Plated, Hot Dipped ...


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With our loaded practical experience and thoughtful solutions, we now have been identified for a trusted provider for numerous intercontinental consumers for A563M 10S Heavy Hex Nuts , Grade 8 Hex Nuts , A193 B7 Socket Head Cap Screws , We stick to providing integration solutions for customers and hope to build long-term, stable, sincere and mutual beneficial relationships with customers. We sincerely look forward to your visit.
High Quality Hook Bolts to Moldova Manufacturers Detail:

A range of hook bolts, used in the roofing industry for fixing cladding and roofing panels to steel frames. Hook bolts, also commonly known as ‘J’ bolts and supplied with nuts. 

Inch Thread Size: 1/4″-4″ with various lengths

Metric Thread Size: M6-100 with various lengths

Material Grade: Carbon Steel, Alloy Steel, and Stainless Steel covers ASTM F1554, A307, A449, A354, A193, A320, F593, ISO 898-1 4.8, 6.8, 8.8, 10.9

Finish: Plain, Black Oxide, Zinc Plated, Hot Dipped Galvanized, and so on.

Packing: Bulk about 25 kgs each carton, 36 cartons each pallet. Or, comply with your requirement.

Advantage: High Quality and Strict Quality Control, Competitive price,Timely delivery; Technical support, Supply Test Reports

Please feel free to contact us for more details.

 


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High Quality Hook Bolts to Moldova Manufacturers detail pictures


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  • With a Bolt Tensioner (SSV), bolts are axially preloaded without torquing using high-pressure hydraulic. Axial tension force has been attained by using SCHAAF SSV for bolts with a thread diameter from 8 mm to over 800 mm.

    SCHAAF Bolt Tensioners are distinguished into eight different product groups (PG) (designs) which, in principle, all have the same function.

    BOLT TENSIONER (SSV) PG 4
    The distinguishing feature of the Bolt Tensioners of product group 4 is that the pulling thread is part of the piston itself. The cylinder-piston-set is screwed immediately onto the continuous bolt thread.

    Main features
    • Single-stage
    • Thread in piston
    • For continuous bolt threads

    Advantages
    • Cheapest SSV
    • Short thread overhang of bolt
    • Small outer diameter of SSV
    • Low height of SSV

    Conditions
    • Use limited to one thread size
    • Whole SSV must be screwed on
    • Pressure connector rotates with SSV

    Examples of application
    • Where bolts with one thread size should be tensioned at the lowest cost
    • Transmission construction
    • Press construction

    FUNCTION OF A BOLT TENSIONER (SSV) PG 4 IN SIMPLIFIED RESPRESENTATION
    Basic position
    Place the SSV onto the bolt to be tensioned and screw the thread sleeve down to the piston surface. A hydraulic high-pressure pump, through a flexible hose, feeds oil into the space between cylinder and piston. The hydraulic pressure increases.

    Elongation and compression
    As the hydraulic pressure increases, the resulting axial force elongates the bolt and compresses the flanges. Thus, the main nut lifts from the flange. On reaching the desired tension, pressurizing is stopped.

    Positioning of the main nut
    The tensioning force is achieved and the main nut can be turned down to contact the flange. When releasing the oil pressure, the desired tensioning force remains in the bolt connection. After removing the SSV, you may use the equipment for tensioning other bolts.
    Bolt Tensioners can be removed from the bolt connection after pre-tensioning.

    FIELDS OF APPLICATION
    • General mechanical engineering
    • Metal industry
    • Structural and civil engineering, mining, research technology
    • Refineries, chemical industry
    • Powerplant technology
    • Ship engine engineering, shipbuilding, onshore / offshore

    THE ADVANTAGES OF GENERATING PURE AXIAL PRE-TENSION USING PRESSURES UP TO 4000 BAR
    • Torsion-free generation of tension force – economical use of bolt material capacity
    • Maximum accuracy
    • Increased safety
    • Non-friction tensioning force application
    • Capability to start simultaneous tensioning at multiple points
    • Start of tensioning independently of tensioning path
    • Quickest test capability at any time
    • Universal application
    • Saving of time

    STANDARD FEATURES
    • Components as per product group specification (cylinder, piston, etc.)
    • High-solidity, steel-surface treated
    • Hydraulic pressure as a function of pre-tensioning force
    • Sealing set for temperature range from -30° C to +100° C
    • Connection thread
    • Stroke based on thread size and screw geometry
    • Stroke indicator
    • Piston return stroke boring
    • Support sleeve with window for turning the main nut with a setting rod (SSV)
    • Support sleeve opening for main nut contact to flange control (SSV)

    ACCESSORIES MANUFACTURED BY SCHAAF
    • Mounting aids such as locating pin and end attachments, or as requested by the customer
    • Turning devices
    • High-pressure hydraulic hoses
    • Couplings, nipples, adapters, distributor blocks up to 4000 bar
    • High-pressure generators: manually operated, electric, or air-operated
    • Different types of hydraulic oil

    SPECIAL SOLUTIONS
    It is not always possible to classify all Bolt Tensioners into a specific product group. Please contact us for your special application. In addition to a number of standardized Bolt Tensioners, SCHAAF has already delivered thousands of customized axial Bolt Tensioners. The Design on Demand CAD system allows to realize customer solutions very quickly.

    MORE INFORMATION
    PDF brochure: http://schaaf-gmbh.com/media/_Englisch_Werbematerial/Single_brochures_and_Sheets/02_Bolt_Tensioning/SCHAAF_02,00-Bolt_Tensioning_GB.pdf

    CONTACT
    SCHAAF GmbH & Co. KG
    Bruesseler Allee 22
    41812 Erkelenz
    Germany

    Telephone: +49 2431 9 77 70 0
    Telefax: +49 2431 9 77 70 77

    E-Mail: info@schaaf-gmbh.com
    Internet: http://www.schaaf-gmbh.com

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