Screw Couplings

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By the support of our dexterous professionals, we are engrossed in offering the high-quality array of Pressure Screw Coupling. These couplings are developed by knowledgeable professionals in conformation set with industry standards & norms.

PSB & PSP Series, High Pressure Screwed Couplings can be connected and disconnected even with a low residual hydraulic pressure in the line. The screw connection mechanism eliminates Brinelling (indentation of the locking balls into the retaining groove) and thus makes the couplings suitable for high pressures and pressure pulse applications.

Features:

• Compatible with all high-pressure pump and cylinder manufacturers
• Connection and disconnection can be performed even with low residual hydraulic pressure in the line
• Screw thread retaining mechanism eliminates Brinelling
• Size 10 (3/8") couplings also available with poppet valve seals for lower pressure applications

Additional Information:

• Item Code: PSB_PSP-Series

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• Excavator hammer attachments, shears, rock crushers, test rigs and other intense pressure pulse application.

• Screw thread connection eliminates Brinelling
• Connects and disconnects under pressure
• Seals readily accessible for easy replacement
• Supplied with Caps and Plugs to protect the thread and help prevent the ingress of contaminants
• When connected, all internal parts are held rigid, preventing fatigue of the poppet, spring or coupling itself. The poppet is guided to prevent it shifting off centre The poppet and spring are retained by a heavy duty collet that can withstand severe forces

Additional Information:

• Item Code: HSC-Series

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• LC couplings are primarily used on oil field and offshore drilling equipment, but other applications include cranes, power tongs and swivels, coiled tube units and diving rigs.

Additional Information:

• Item Code: LC-Series

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• Very high-pressure pulse applications where a quick connect coupling is not usually suitable, corrosive environments.

• AISI 316 stainless steel construction, viton seals
• Screw connection mechanism avoids use of locking balls and so eliminates the risk of Brinelling (a potential problem with quick connect couplings in high pressure pulse applications)
• Robust construction
• Can be connected with low residual pressure in each hydraulic hose line

• The PTS Series is available in carbon steel, Trivalent plated and with nitrile seals. In this configuration it is designated the PTC Series.

Additional Information:

• Item Code: PTS-Series

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• Excellent finish
• Compact structure
• Superb proficiency

• Screw connection mechanism avoids use of locking balls and so eliminates the risk of Brinelling (the problem of locking ball indentation in the nose of the probe)
• Can be connected with up to 50 bar pressure in each hydraulic hose line
• Self-locking connection mechanism prevents accidental disconnection caused by vibration
• Modular construction allows numerous thread/connection options as standard

• Disconnection of any hydraulic coupling whilst under full system pressure can be very dangerous and should not be attempted
• For more information, please contact our Technical Department

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• Rigid construction
• Elegant designs
• Superiors designs

• Lower price than VEP couplings
• Higher flow and lower pressure drop than VEP couplings
• Zinc nickel surface finish rated for 280 hours to white rust in salt spray tests
• Dimensionally interchangeable with VEP Series screw couplings
• Screw thread connection eliminates Brinelling
• Sleeve on female can be pushed back for access to the mating face
• Flat mating faces of both the male and female are easily wiped clean to prevent the ingress of contaminants
• Non-spill design avoids fluid loss during connection and disconnection
• Connect with up 350 bars residual pressure in the line

• Hand held and excavator mounted breakers, shears, augers, trenchers and all systems subject to high-pressure pulses
• Any system where connection needs to be made with up to 350 bar residual pressure
• All systems where the security of a screw connector is needed
• Plant and equipment where non-spill disconnection is essential

Additional Information:

• Item Code: HFT-Series

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• Longer service life
• Durable
• High strength

• Connect without ingress of air and disconnection without loss of fluid 
• Screw connection mechanism avoids use of locking balls and so eliminates the risk of Brinelling (the problem of locking ball indentation in the nose of the probe) 
• Can be connected by hand with up to 20 bar pressure in each hydraulic hose line and up to 50 bars with hand tools

• The couplings are connected by screwing the Female (fixed half) and Male (swivel half) couplings together until the limit stop is reached

Additional Information:

• Item Code: RS-Series

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• Easy installation
• Highly durable
• Rust resistance

Applications:

• Demolition excavators and large excavators over 20 tonnes, where they can be used as replacements for valves when changing attachments or arm extenders

Advantages:

• Excavator attachment changeover time for the hydraulic lines is just a few minutes, which is much faster than changing over a valved or solid piped system
• When a PS25 coupling is disconnected, the oil loss is just 27 ml, this is a small fraction of the loss when compared with valved or solid piped systems
• Can be used on 'physically demanding' applications that had previously ruled out the use of couplings
• Very high flow rating, e.g. 576 L/min at 5 bar pressure drop, without damaging the seals
• The internal seals are shielded to minimize wear
• Design of the shielded seal arrangement is patented
• Can be connected and disconnected with up to 50 bar residual pressure in either one or both of the hydraulic lines

Additional Information:

• Item Code: PS-Series

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• PTC Series couplings are for use with hydraulic mineral oil. Main uses are with hand held and machine mounted hydraulic hammers, also used on attachments for construction, agricultural and municipal machines.

• Screw connection mechanism avoids use of locking balls and so eliminates the risk of Brinelling (a potential problem with quick connect couplings in high-pressure pulse applications)
• Robust construction for heavy duty applications
• Can be connected with low residual pressure in each hydraulic hose line

Additional Information:

• Item Code: PTC-Series

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• Screw thread retaining mechanism to eliminate Brinelling
• Connection and disconnection can be performed even with a low residual hydraulic pressure in the line

• Mobile Plant, Agricultural Implements and General Industrial Equipment

Additional Information:

• Item Code: SP-Series

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• Tipper Couplings are designed for use on mobile plant such as commercial vehicle trailers, agricultural equipment and construction plant.

• Trivalent plated carbon steel body material with nitrile seals and PTFE backing ring.

Additional Information:

• Item Code: TC-Series