M-LOK
M-LOK®
M-LOK®

 

M-LOK®

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Category: M-LOK Available
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Description

M-LOK® High Integrity Metal-To-Metal Seal Clamp Connector


Benefits
Only 4 bolts to install, compared with 8-24 bolts ANSI and ASME flanges.

Lower bolt torque
Lower torque requirements, no requirement for special hydraulic tensioning.

Smaller & Lighter
The efficient design results in M-LOK® connector that is substantially smaller in size and much lighter in weight when compared to an equivalent ANSI and ASME flanges.

Decrease Downtime
Quick assembly & disassembly with fewer bolts –and parts- overall, no bolt holes to align.
M-LOK® is fully interchangeable with *Grayloc® connectors

The Metalok360™ M-LOK® clamp connector is an equal alternative to *Grayloc® or other clamp connector manufacturers’ products.

The Metalok360™ M-LOK® clamp connector is designed to offer the strength and sealing technology of a welded joint and the versatility of a mechanical joint. It serves the same purpose as a bolted flange assembly, with the added advantages of being more easily installed (only 4 bolts) and up to 75 percent lighter and smaller by comparison to ANSI and ASME flanges.

The connector consists of 2 hubs, 1 seal ring, 1 clamp set with 4 bolts, and 8 nuts.

All materials available
Connector Application
M-LOK® simplicity sealing efficiency, and economy of our M-LOK® connector benefit a wide range of industries in various applications:
Aerospace - Rocket test stands, fuel lines, hydraulic and pneumatic piping systems.

Coal gasification and liquefaction consisting primarily of carbon monoxide, hydrogen, carbon dioxide, methane, and water vapor from coal water, air, and/or oxygen.

Environmental - Hazard waste disposal and fugitive emissions containment, and valve ends.
Industrial gas manufacturing - Strip Mining, Power Generation, Oil Sands Mining and Process Piping.

Food Processing - Sanitary/general piping connectors, vessel closures.

Fossil and nuclear power generation - Feedwater piping, steam piping, boiler and turbine and nuclear reactor. Marine & Ship building & maintenance General piping, boilers, pressure vessels, tanks, engines, turbines.
Oil and Gas Production - Onshore and Refineries, offshore topside and subsea wellheads, tees and wells, manifolds, chokes, valve ends, compressors, general piping, loading risers and  pipelines.

Petrochemical Industry - Reactor vessel nozzles, vessel closures, general piping/valve ends in petroleum refining and chemical processing plants.

Power Industry - General piping/valve ends, steam lines, pump inlet/outlet lines, and chemical clean out closures.
M-LOK® connection systems provide solutions to chronic problems associated with standard ANSI and ASME flanges connections.
Leak-Free Reliability
M-LOK® reusable metal-to-metal seal ring offers leak-free with zero leakage reliability over traditional ANSI and ASME flanges. Our seal rings offer welded joint integrity and can be used in critical and chronic leak areas. M-LOK® is an easy-to-assemble, engineered as a high-performance alternative to flanges.

Weight Savings
M-LOK® delivers weight savings of up to 75% in comparison to ANSI and ASME flanges, our connection systems can typically save up to 1 million lbs. of weight on an offshore floating platform. and offshore floating platforms.

Space Savings
M-LOK® are space savings of up to 50% with smaller O.D. and length dimensions compared to ANSI/API flanges. Pipe runs are closer together for more room for process equipment and future tie-backs. Ideal for small O.D. pull-in-head requirements.
The Metalok360™ M-LOK® clamp connector is an equal alternative to *Grayloc® or other clamp connector manufacturers’ products.

The Metalok360™ M-LOK® clamp connector is designed to offer the strength and sealing technology of a welded joint and the versatility of a mechanical joint. It serves the same purpose as a bolted flange assembly, with the added advantages of being more easily installed (only 4 bolts) and up to 75 percent lighter and smaller by comparison to ANSI and ASME flanges.

M-LOK® connector consists of 2 hubs, 1 seal ring, and 1 clamp set with 4 bolts and 8 nuts.

All materials available
External Loads
M-LOK® connectors can handle high fatigue and high bending moments. We can optimize the design of the connector as needed to meet project requirements.

Quick Assembly
M-LOK® connection systems typically use fewer and smaller bolts in comparison to ANSI and ASME flanges. Our catalog of connectors includes clamps that only require four bolts and connectors that are self-aligning.

Cost Savings
In many cases, M-LOK® connector assemblies are less expensive to purchase than the corresponding ANSI and ASME assembly. Our leak-free seal rings save operational costs.

High Pressure/Temperature
M-LOK® connector systems have applications in high pressure and/or high temperature where they outperform ANSI and ASME in terms of reliability and leak-free service.
8-in. – 1500# ANSI Class Comparison just 4 bolts to install, compared with 8-24 bolts for conventional flanges.

M-LOK® connector is substantially smaller in size and 75% lighter in weight when compared to an equivalent ANSI and ASME flanges.
  • Consists of (2) hubs, (1) seal ring, (1) clamp set with (4) bolts and (8) nuts
  • Self energized, pressure enhanced metal seal ring
  • Seal ring is designed to be reusable
  • Clamp assembly is up to 75% lighter and requires less space compared to standard flanges
  • Sizes from 1 in. to 12-in.*
  • Pressures up to 20,000 psi*

     
  • Available in all material grades
  • The M-LOK® Clamp Connector is interchangeable with other clamp connectors in the market
  • Lower torque requirements no need for costly and timely hydraulic tensioning equipment
  • Quick assembly/disassembly with fewer bolts & parts with no bolt holes to align
    *Special designs available
M-LOK® Clamp Connector vs. ANSI/API Flanges Advantages of M-LOK® Clamp Connector
  • Self-energized and pressure-enhanced seal
  • Seal ring is designed to be reusable
  • Small relative movements between hubs can be accommodated by seal ring deflection
  • Clamp assembly lighter and requires less space
  • Clamp bolts are oriented perpendicular to pressure end thrust and are not subjected to hydrostatic loading due to pressure
  • Small outside dimensions allow use in more confined and congested areas
  • Clamps can be conveniently rotated for desired bolt orientation
  • The four bolts design has a built-in safety factor which allows for bolt failure without loss of sealing integrity
  • The connectors method of sealing does not require precision bolt loading, thus easier to make up.
Disadvantages of ANSI/API Flanges
  • Larger and bulkier flange forging
  • Often more and larger bolts
  • Generally a crush type gasket
  • High bolt torque required to seat and maintain contact pressure
  • Costly and timely hydraulic tensioning equipment
  • Poor adaptability to changing conditions (temperature)
  • Even make-up required to avoid impingement of gasket
  • Gasket is not reusable
  • Gasket has to handle piping bending loads
  • Performance not good in high vibration
  • ANSI Flange design is over 100 years old and outdated technology
M-LOK® Clamp Assembly
Our M-LOK® Clamps connectors are manufactured as interchangeable segments and sold as a set with bolting included. Standard clamp materials are carbon steel (AISI 4130/4140) or stainless steel (ASTM A182 F304). Other materials are available on request. Please get in touch with us for your required size, material, and coating.

Bolting: Two studs are used in each ear of the clamp to provide redundancy in bolting strength. Bolting is provided with UNC/8UN thread series with spherical-faced heavy hex nuts. Bolt coating can be supplied based on customer requirements.
 

Below are for reference to our size range offered only, M-LOK® offers sizes from 1” to 12”

M-LOK® seal rings are available in a variety of materials and are also available in a variety of coatings.

M-LOK® seal ring is a reusable solid metal double cone-shaped ring, designed for an interference load when installed in mating hubs or flanges.

High loading combined with the strength of the seal material provides considerable stored energy in the seal. Since the seal is exposed to line pressure, the additional benefit of a pressure-enhanced seal is obtained.

Below are for reference to our size range offered only, M-LOK® offers sizes from up to seal size 292.
Please get in touch with us for your required size.

M-LOK® Brochure  
12 Reasons why M-LOK® is better  
M-LOK® Marine & Shipbuilding & Maintenance  

More detail about Metalok360 MFG Corp.
Metalok360 MFG Corp.
Metalok360 MFG Corp. Pipe Sealing System Manufacturer Canada, Precision Pipe Bending Australia, Industrial Piping Installation Philippines ~ Metalok360 MFG Corp.
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