PIPEONTEC

Flange Spreaders

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Operations Manual

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Product Details

At Pipeontec, we offer high-performance FSH/FSM Series Flange Spreaders engineered for industrial reliability and operator safety. These tools are designed to handle critical flange separation tasks during pipeline maintenance, construction, valve replacement, and other high-pressure applications.

Built with advanced wedge technology and rugged construction, our flange spreaders deliver unmatched control, safety, and efficiency.

Product Overview

  • Tip Thickness / Minimum Insertion: Just 6 mm, suitable for tight access spaces
  • Maximum Separation Distance: Up to 81 mm
  • Separation Force: Ranges from 8 to 14 tons
  • Working Pressure: Up to 70 MPa

Product Specification

Specification Table

Model Max Separation Force T(KN) Tip Thickness (mm) Max Separation Distance (mm) Type Oil Capacity (cm³) Weight (Kg)
FSH-14 12(125) 6 81 Hydraulic 78 7.1
FSM-8 7(72) 6 81 Mechanical — 6.5

Key Features Engineered for Precision

  • Integrated wedge system provides parallel, smooth separation with no flange damage

  • Unique interlocking wedge design minimizes risk of slippage or bending during operation

Durability Meets Functionality

  • Fewer moving parts for low maintenance and high durability

  • Step-arm construction supports full load at each stage

  • Built-in safety block (SB-1) and ratchet wrench (SW-25) included with FSM-8 mechanical version

Compact, Efficient Design

  • Requires minimal insertion clearance (6 mm)

  • Ideal for small, medium, and large flange joints, even when no channel clearance is available

  • Lightweight and easy to transport to job sites

Applications

Our flange spreaders are used across a variety of industries for:

  • Pipe flange separation during maintenance or replacement

  • Gasket changes and pressure vessel opening

  • Equipment assembly and disassembly

  • Work on cylinder heads, motors, and bearing units

  • Offshore platforms, shipbuilding, power plants, and heavy machinery

Whether it’s a high-pressure system or confined space, Pipeontec’s spreaders offer the strength and flexibility to perform under pressure.

Hydraulic vs Mechanical Flange Spreaders

  • Hydraulic Flange Spreaders
    Insert the jaws into the flange joint and apply pressure using a hydraulic pump. For best results, use two or more spreaders placed at equal intervals around the joint. Offers consistent force distribution for safe, large-scale operations.
  • Mechanical Flange Spreaders
    Manual versions equipped with a ratchet handle. Ideal for applications without a power source. Simple to operate, with precise control over the force and retraction process.

Choosing the Right Tool

When selecting a flange spreader, consider:

  1. The gap between flanges (insertion clearance)

  2. Required expansion force and separation distance

  3. Preference for manual or hydraulic operation

  4. Flange size and application environment

Need help? Just share your project specs and our team will recommend the most suitable model for your job.

Why Choose Pipeontec Flange Spreaders?

  • Engineered for safety and performance
  •  Designed to handle a wide range of pipeline sizes and pressures
  •  Backed by expert support and customization options
  •  Trusted across power, oil & gas, marine, and industrial sectors

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