Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
SUMNER 400-3SS Internal Fit-Up Clamp for Flanges, 8-12 in Pipe - Internal Fit-Up Clamps for Flanges
SUMNERInternal Fit-Up Clamps for Flanges

SUMNER 400-3SS Internal Fit-Up Clamp for Flanges, 8-12 in Pipe

The SUMNER Internal Fit-Up Clamp: Pipe to Flange (MPN 400-3SS) is an internal fit-up clamp designed for aligning pipes to flanges. It accommodates a minimum pipe size of 8 inches and a maximum pipe size of 12 inches.

SKU 3G-OTH-303817

Also listed as: 4003SS · 400 3SS

Brand
SUMNER
Item
400-3SS Internal Fit-Up Clamp for Flanges, 8-12 in Pipe
Part Number
400-3SS
Category
Internal Fit-Up Clamps for Flanges
Available to Order
Also known as:400-3SSSUMNER
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

SUMNER
Manufacturer Part Number
400-3SS
Pipe Size
8 in Min
Max Pipe Size
12 in

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

SUMNER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SUMNER Internal Fit-Up Clamp: Pipe to Flange (MPN 400-3SS) is an internal fit-up clamp designed for aligning pipes to flanges. It accommodates a minimum pipe size of 8 inches and a maximum pipe size of 12 inches.

Frequently Asked Questions

What is the SUMNER Internal Fit-Up Clamp used for?

The SUMNER Internal Fit-Up Clamp (MPN 400-3SS) is used to align pipes to flanges during welding or assembly. It is an internal fit-up clamp that ensures precise alignment, reducing rework and improving joint integrity in piping systems for industries such as oil and gas, petrochemical, and power generation.

What are the specifications of the SUMNER Internal Fit-Up Clamp 400-3SS?

The SUMNER Internal Fit-Up Clamp 400-3SS is a pipe-to-flange alignment tool with a minimum pipe size of 8 inches and a maximum pipe size of 12 inches. It is manufactured by SUMNER under part number 400-3SS and is designed for internal fit-up applications to ensure accurate flange alignment.

Where to buy the SUMNER Internal Fit-Up Clamp worldwide?

The SUMNER Internal Fit-Up Clamp 400-3SS is available to order through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive the correct SUMNER clamp for your piping alignment needs.

How to select the right SUMNER Internal Fit-Up Clamp for pipe-to-flange alignment?

To select the correct SUMNER Internal Fit-Up Clamp, match the clamp's pipe size range to your pipe diameter. The 400-3SS model fits pipes from 8 in to 12 in. Ensure the clamp type (pipe to flange) matches your application. For other sizes, consult SUMNER's product line or contact 3G Electric for sourcing assistance.

Used in

Common applications for SUMNER
HVAC installation — Sumner 650 lb material lift with adjustable base and outriggers for lifting rooftop units
Electrical contracting — Sumner 800 lb aluminum material lift for positioning transformers and switchgear
Machinery moving — Sumner 1,100 lb material lift with invertible forks for relocating pumps and motors
Pipefitting — Sumner pipe stands and fit-up clamps for welding and assembly of pipe spools
Plant maintenance — Sumner 300 lb steel material lift for transporting tools and parts in confined spaces
Construction — Sumner 800 lb steel material lift with outriggers for lifting materials to mezzanine levels
Not sure this is the right part? Photo-identify it→

SUMNER Products

3G Electric supplies SUMNER internal fit-up clamps for flanges. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from SUMNER

View all SUMNER parts →

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first