SUMNERWedge Style Flange Spreaders

SUMNER Flange Spreader: 150 lb Min Flange, 3 in Flange Thick, 3 in Spread

SKU 3G-OTH-404941

Brand

SUMNER

Item

Flange Spreader: 150 lb Min Flange, 3 in Flange Thick, 3 in Spread

Local availability & support — Singapore

Local office: 20 Woodlands Link #09-05, Singapore 738733
Phone: +65 8878 8355
Delivery: Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment: Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to: Singapore

Technical Specifications

SUMNER

Manufacturer Part Number

784003

Spread

3 in 

Pin Dia

5/8 in 

Flange Thick

3 in 

Technical Documents

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SUMNER Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SUMNER Flange Spreader is a wedge-style flange spreader designed for a minimum flange size of 150 lb. It accommodates flanges up to 3 inches thick and provides a spread of 3 inches, with a pin diameter of 5/8 inch. The tool requires a 1-3/8 inch wrench and features a 1/2 inch bar, as specified by the manufacturer part number 784003.

Frequently Asked Questions

What is the SUMNER Flange Spreader used for?

The SUMNER Flange Spreader is a wedge-style tool used to separate flanges in piping systems for maintenance, gasket replacement, or inspection. It is designed for industrial applications such as oil and gas, chemical processing, and power generation where safe flange separation is required.

What are the specifications of the SUMNER Flange Spreader?

The SUMNER Flange Spreader (MPN 784003) handles a minimum flange size of 150 lb, flanges up to 3 in thick, and provides a 3 in spread. It has a 5/8 in pin diameter and requires a 1-3/8 in wrench with a 1/2 in bar. The tool is a wedge-style design from SUMNER.

Where to buy the SUMNER Flange Spreader worldwide?

3G Electric supplies the SUMNER Flange Spreader worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this wedge-style flange spreader.

How to use a wedge-style flange spreader safely?

To use the SUMNER wedge-style flange spreader, insert the wedge between flanges and tighten the screw with a 1-3/8 in wrench to gradually separate them. Always follow OSHA guidelines: ensure the system is depressurized, use proper PPE, and never exceed the tool's rated spread of 3 in.

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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