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SWi Flange Spreader Rental

ESI’s SWi flange spreader rental program rents the Equalizer SWi range of flange spreading wedges — hydraulic and mechanical models rated up to 25 tons — for construction, commissioning, maintenance, and shutdown/outage work. Houston-based with nationwide delivery, ESI equips crews across the oil & gas, petrochemical, and power generation sectors for scheduled turnarounds and emergency repairs alike.

Key Specifications

Every SWi flange spreader rental kit ships with the following specifications:

  • Spreading Force: up to 25 tons (SWi20/25TE, SWi20/25TI); 8.7 tons (SWi5TE, SWi5TI)
  • Spreading Distance: up to 4.1 in (SWi20/25TE, SWi20/25TI); up to 4 in (SWi5TE, SWi5TI)
  • Minimum Access Gap: 0.24 in (SWi20/25TE, SWi20/25TI); 0.16 in (SWi5TE, SWi5TI)
  • Jaw Width: 2.4 in (SWi20/25TE, SWi20/25TI); 1.97 in (SWi5TE, SWi5TI)
  • Maximum Operating Pressure: 10,000 psi (hydraulic models, using stepped blocks)

Main Applications

A SWi flange spreader rental supports the following applications:

  • Construction: assembling and tying in flange joints
  • Commissioning: inserting blind flanges for pressure testing
  • Maintenance: servicing flange joints between shutdowns
  • Shutdowns/Outages: bolt, seal, or pipe spool replacement

SWi Flange Spreader Rental Kit Options

MIN Kit

  • 1 x SWi20/25TE Flange Spreading Tool
  • 1 x Set Safety Blocks
  • 1 x Pair of Stepped Blocks
  • 1 x Lanyard
  • 1 x Hex Key
  • 1 x Moulded Plastic Carry Case
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STD Kit

  • 1 x SWi20/25TE Flange Spreading Tool
  • 1 x 10,000 psi Hydraulic Hose, 6.5′ with 90° Elbow
  • 1 x 10,000 psi HP350S Single-Port Sealed Hand Pump with Gauge
  • 1 x Set Safety Blocks
  • 1 x Pair of Stepped Blocks
  • 1 x Lanyard
  • 1 x Hex Key
  • 1 x Moulded Plastic Carry Case
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MAX Kit

  • 2 x SWi20/25TE Flange Spreading Tools
  • 2 x 10,000 psi Hydraulic Hoses, 6.5′ with 90° Elbow
  • 1 x 10,000 psi HP550D Twin-Port Sealed Hand Pump with Gauge
  • 2 x Set Safety Blocks
  • 2 x Pair of Stepped Blocks
  • 2 x Lanyards
  • 2 x Hex Keys
  • 1 x Moulded Plastic Carry Case
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STD Kit

  • 1 x SWi20/25TI Flange Spreading Tool
  • 1 x Set of Safety Blocks
  • 1 x Pair of Stepped Blocks
  • 1 x Lanyard
  • 1 x Hex Key
  • 1 x Carry-Strap
  • 1 x Moulded Plastic Carry Case
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S Kit

  • 1 x SWi5TE Flange Spreading Tool
  • 1 x Standard Safety Block
  • 1 x Lanyard
  • 1 x Moulded Plastic Carry Case with Protective Foam Inserts
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T Kit

  • 2 x SWi5TE Flange Spreading Tools
  • 2 x Standard Safety Blocks
  • 2 x Lanyards
  • 1 x Moulded Plastic Carry Case with Protective Foam Inserts
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S Kit

  • 1 x SWi5TI Flange Spreading Tool
  • 1 x Standard Safety Block
  • 1 x Lanyard
  • 1 x Moulded Plastic Carry Case with Protective Foam Inserts
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SWI1214TM Mechanical Flange Spreader Tool Kit
SWI1214TM Mechanical Flange Spreader Tool Kit

Kit Includes:

  • 1 x Mechanical Step Wedge Flange Spreader Wedge head
  • 1 x Mechanical Cylinder
  • 1 x Torque Wrench with 22 mm Socket
  • 1 x Set of Safety Blocks
  • 1 x Pair of Stepped Blocks
  • 1 x Safety Lanyard
  • 1 x Hex Key
  • 1 x Plastic Carry Case
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Mechanical 9 Ton Step Wedge Flange Spreader Kit
Mechanical 9 Ton Step Wedge Flange Spreader Kit

Kit Includes:

  • 1 x SW9 Tool
  • 1 x Safety Block
  •  1 x Safety Lanyard
  • 1 x 200Nm (150ft.lb) Calibrated Torque Wrench with 22mm Sockets
  • 2 x Stepped Blocks with securing screws and allen key
  • 1 x Instruction Manual
  • 1 x Robust molded Case with Handle & HD Fitted Foam
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SW15TESPBMAX - Twin Hydraulic Step Wedge Flange Spreaders tool and pump kit capable of 30 tons of seperating force
SW15TESPBMAX - Twin Hydraulic Step Wedge Flange Spreaders tool and pump kit capable of 30 tons of seperating force

Kit Includes:

  • 2 x SW15TE Wedgehead
  • 2 x Pair of Stepped Blocks
  • 2 x 10,000 psi (700 bar) Hydraulic Hose, 2m (78.75″)
  • 2 x 10,000 psi (700 bar) Hydraulic Cylinder
  • 1 x 10,000 psi (700 bar) HP350D Sealed Hand Pump with Gauge
  • 2 x Safety Block
  • 1 x Instruction Manual
  • 1 x Carry Case
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Choose the SWi flange spreader rental configuration that matches your access gap and spreading-force requirements. Each SWi flange spreader rental kit ships complete — spreader, safety blocks, lanyard, and the hardware needed to run the job — in a moulded carry case, ready to deploy. Contact ESI to confirm availability and rental terms.

Need help with tool compatability?  Try our Flange Master Tool

For more instructional videos visit our Youtube page https://www.youtube.com/@flangespreaderrental