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Load pins

Strainstall’s expertise in load measuring technology is proven through the design and commission of high-quality load pins for specific applications as required by our customers.

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We have produced a large number of load pin variations that are available ex-stock, but whatever your application, Strainstall has the expertise and experience to provide a solution.

Load pins are the simplest and most reliable method of measuring loads and can be used in a wide number of applications, including the most difficult of environments such as offshore and subsea.

Download Strainstall's load pin data sheet.

Did you know?

Strainstall is able to take credit card payments for load pins, so call now and place your order for fast delivery: +44 (0) 1983 203600.

Features and benefits of load pins:

  • Replace existing pins with no modifications to the system
  • High accuracy
  • Long design life
  • Stainless steel construction
  • Wide range of load pin variants
  • Hazardous areas Zones 1 and 2 versions available

Cabled load pins typical specifications:

  mV/V output mA output 
Rated load As required As required
Proof load 150% of rate load 150% of rate load
Non-linearity < ± 1% of full scale < ± 1% of full scale
Non-repeatability < ± 0.1% of full scale < ± 0.1% of full scale
Zero balance < ±0.1% of full scale < ±0.1% of full scale
Environmental protection IP67 / IP68 IP67 / IP68
Safety factor As required As required
Operating temperature -25oC to +70oC -25oC to +70oC
Storage temperature -30oC to +80oC -30oC to +80oC
Output signal mV/V 4-20mA
Electrical connection 4 core 2 or 3 wire
Cable connection Gland or connector Gland or connector
Cable length 5m as standard 5m as standard
Recommended excitation voltage 10V N/A 
Maximum excitation voltage 15V N/A 
Recommended supply voltage  N/A 24V
Maximum supply voltage  N/A 30V
Bridge resistance 700 Ohm N/A 
Sensitivity 1.0mV/V - 2.0mV/V nominal N/A 


 

Wireless load pins typical specifications:

  Wireless output
Rated load As required
Proof load 150% of rate load
Non-linearity < ± 1% of full scale
Non-repeatability < ± 0.1% of full scale
Zero balance < ±0.1% of full scale
Environmental protection IP67 / IP68
Safety factor As required
Operating temperature -25oC to +70oC
Storage temperature -30oC to +80oC
Output signal Wireless
Data logging On load cell
Battery type 2 or 4 x AA
Active battery type Up to 350 hours
Standby battery life Up to 1700 hours
Telemetry frequency 2.4Ghz ISM
System range Up to 350m
Sampling rate 10Hz (500Hz max)

Available options:

  • Cabled or wireless
  • Hazardous area Zone 0, 1 and 2
  • X-Y gauging available
  • Radial or axial cable exit
  • Can be dual bridge for redundancy purposes

 

Crane load pins

Strainstall’s crane load pins can be incorporated easily and economically into cranes by replacing any existing load bearing pins. 

All Strainstall load pins are manufactured from high tensile stainless steel and are environmentally sealed. We can also supply a complete crane weighing/overload system with the addition of a display/indicator.

Our standard range of load pins vary in capacity from 5 to 1,000 tonnes, however most load pins are manufactured to meet each customer's specific dimensional requirements.

Our load pins can be fitted into bottom blocks, lifting sheaves, compensating beams, under barrel bearings and many other locations depending on crane layout.

Benefits of crane load pins:

  • Easy to install/retrofit
  • Manufactured from stainless steel
  • High levels of environmental protection
  • Hazardous area load pins available

 


 

Industrial load pins

Strainstall's industrial load pins perform in conditions of extreme temperature, abrasive dust, moisture and vibration.

Designed to withstand harsh environments and resistant to the effects of metal fatigue, our industrial load pins hold up against repeated cyclic loads. Easily incorporated into the load path they are a simple replacement to existing load bearing pins. Capacities available range from 5 to 1,000 tonnes and are usually manufactured to meet customers' specific dimensional requirements.

Benefits of industrial load pins:

  • Easy to retrofit
  • Manufactured from high tensile stainless steel
  • Hazardous area load pins available
  • Single, dual or redundant bridges
  • Operate in temperatures up to 180c

 

Marine load pins

Strainstall's marine load pins are designed to withstand harsh marine and subsea conditions.

Our marine load pins are sealed against water ingress to IP67 standards or better and our subsea load pins can also be fitted with wet mateable connectors and pressure tested to suit different depths. Easily incorporated into the load path they can replace any existing load bearing pins in components such as shackles, winches and chain stoppers.

We offer a range of load pins with capacities varying from 5 to more than 1,000 tonnes, and are also able to meet customers' specific dimensional requirements.

Benefits of marine load pin technology:

  • Easy to retrofit
  • Manufactured from high tensile stainless steel
  • Hazardous area load pins available
  • Single, dual or redundant bridges  

 

Rail points load pins

Strainstall’s rail points load pins have been specially developed through our unique experience in producing high-quality load pins to measure the operating forces of mechanical systems.

Rail points load pins allow maintenance teams to take preventative action by providing advanced warning of points failure. They measure clamping forces enabling correct setting of the point mechanism and are supplied with built-in amplifiers to give a 4-20mA output.

As with all our load cell products, the rail points load pins can be used with Strainstall's range of instrumentation packages.

Benefits of rail points load pins:

  • Allow preventative/remedial action to be taken
  • Easy to install
  • Replace existing pins with no modifications

Features of rail points load pins:

  • Built-in amplifiers with a 4-20mA output
  • Stainless steel construction
  • Optional external isolation amplifier

 


 

Super yacht load pins

Achieve the most efficient sail position and optimal speed with Strainstall's super yacht load pins.

Our super yacht YP100 load pins range has been specifically designed for yacht applications. Incorporated easily and economically within sheaves or dead-ends they effectively measure the load/forces on the main sail allowing informed decisions to be made. 

Sealed against water ingress to IP67 standards or better, they vary in capacity from 500 kgs to over 40 tonnes and are usually supplied with a 4-20mA integrated amplifier.

We manufacture our load pins to suit customers' specific dimensional requirements, integrating the load pin outputs into a vessel's main navigational controls or supplying a stand alone system with a display.

Benefits of super yacht load pins:

  • Easy to retrofit
  • Manufactured from high tensile stainless steel
  • Hazardous area load pins available
  • Single, dual or redundant bridges

 

Strainstall-bondura load pins

The revolutionary Strainstall-bondura® load pin eliminates play and ovality during operation, simultaneously providing intelligence and wireless capabilities.

While a certain amount of tolerance is required during the installation and extraction of a load pin, this often leads to issues during operation as it allows the pin to move during its lifetime cycle as a result of heavy loads and vibrations.

This movement causes ovality, which though repairable, is costly and often results in operational down time.
The Strainstall-bondura® is designed to overcome such wear and tear. Innovative cone sleeves, with corresponding tapering, expand on the pin upon tightening with an agreed torque value, securely fixing the load pin while still allowing for the required tolerance for installation and extraction.

The Strainstall-bondura® load pin eliminates play during operation, while still providing an accurate means of load monitoring.

Download the datasheet

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• Unique load pin design eliminates tolerance during the operational
• Long term, six months plus data logging available
• Cabled mV/V or 4-20mA outputs available
• Wireless SmartLoad® variant available
• Strainstall-bondura® load pins are DNV GL type approved and have ABS PDA certification
• The SmartLoad® wireless devices are all available in Zone 1 and Zone 2 hazardous area variants with ATEx. IECEx and North American/Canadian Hazloc certification.

• Eliminate play and ovality, reducing lifetime maintenance costs
• Notification if the pin needs replacing
• Extended battery life of over six months
• Reduces NPT

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