SUMNERWedge Style Flange Spreaders

SUMNER Flange Spreader: 150 lb Min Flange, 4 in Flange Thick, 4 in Spread

The SUMNER Flange Spreader is a wedge-style flange spreader designed for a minimum flange size of 150 lb. It features a 4 in flange thickness, 4 in spread, 3/4 in pin diameter, and requires a 1-3/8 in wrench with a…

SKU 3G-OTH-404942

Brand

SUMNER

Item

Flange Spreader: 150 lb Min Flange, 4 in Flange Thick, 4 in Spread

Local availability & support

Delivery: Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

SUMNER

Manufacturer Part Number

784002

Spread

4 in 

Pin Dia

3/4 in 

Flange Thick

4 in 

Technical Documents

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SUMNER Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is a SUMNER Flange Spreader used for?

A SUMNER Flange Spreader is a wedge-style tool used to safely separate flanged pipe joints for maintenance, repair, or gasket replacement in industrial piping systems. It is designed for minimum 150 lb flanges and is commonly used in refineries, chemical plants, and power generation facilities.

What are the specifications of the SUMNER Flange Spreader 784002?

The SUMNER Flange Spreader (MPN 784002) has a 4 in spread, 4 in flange thickness capacity, and a 3/4 in pin diameter. It requires a 1-3/8 in wrench and a 1/2 in bar for operation. This wedge-style tool is built by SUMNER for heavy-duty flange separation tasks.

Where to buy a SUMNER Flange Spreader worldwide?

You can source the SUMNER Flange Spreader 784002 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time on this wedge-style flange spreader.

How to use a SUMNER Flange Spreader safely?

To use the SUMNER Flange Spreader, insert the wedge between flanges and turn the 1-3/8 in wrench with a 1/2 in bar to gradually separate them. Always follow OSHA lockout/tagout procedures and never exceed the 4 in spread capacity. Inspect the tool for damage before each use.

Used in

Common applications for SUMNER

Pipe fabrication shops — SUMNER roller head pipe stands (e.g., model 4375SWH) for supporting pipe during welding and cutting.

HVAC installation — SUMNER V-head pipe stands (model 4000) for positioning ductwork and refrigerant lines.

Oil and gas maintenance — SUMNER material lifts (MPN 783067) for lifting heavy pipe sections to elevated work areas.

Structural steel erection — SUMNER rigid-leg pipe stands (model 4800SWH) for supporting steel beams during assembly.

Plumbing system installation — SUMNER folding-leg pipe stands (model 3900SWH) for temporary pipe support in tight spaces.

General construction material handling — SUMNER contractor lifts (MPN 783652) for moving tools and materials to upper floors.

SUMNER Products

3G Electric supplies SUMNER wedge style flange spreaders. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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