NAUGATUCKStainless Steel Through-Tube Floats

NAUGATUCK Tubed Float Ball: Float Ball, Through Tube, Cylindrical, Stainless Steel

The NAUGATUCK Tubed Float Ball is a 4-inch diameter, through-tube, cylindrical stainless steel float ball (MPN GRT40S421B). It is designed for use in liquid level sensing and control applications where a durable…

SKU 3G-OTH-436533

Brand

NAUGATUCK

Item

Tubed Float Ball: Float Ball, Through Tube, Cylindrical, Stainless Steel

Local availability & support — the Philippines

Delivery: 5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment: Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to: Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

NAUGATUCK

Manufacturer Part Number

GRT40S421B 

Type

Through Tube, Cylindrical, Stainless Steel 

Dia

4 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

NAUGATUCK Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is a NAUGATUCK tubed float ball used for?

A NAUGATUCK tubed float ball is used as a buoyant level-sensing element in industrial liquid-level control systems. Its through-tube design allows it to slide along a guide rod or stem, making it suitable for tanks, reservoirs, and process vessels where reliable float actuation is required.

What are the specifications of the NAUGATUCK GRT40S421B float ball?

The NAUGATUCK GRT40S421B is a cylindrical through-tube float ball made of stainless steel with a 4-inch diameter. It is designed for use in liquid-level control applications and is manufactured by NAUGATUCK under part number GRT40S421B.

Where to buy NAUGATUCK float balls worldwide?

You can source NAUGATUCK float balls worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the GRT40S421B or other NAUGATUCK float models.

How to select a through-tube float ball for a tank?

To select a through-tube float ball, match the float diameter and material to the liquid's density, temperature, and chemical compatibility. For the NAUGATUCK GRT40S421B, the 4-inch stainless steel design suits many industrial fluids. Ensure the guide rod diameter fits the through-tube opening for smooth travel.

Used in

Common applications for NAUGATUCK

Industrial tank level control — NAUGATUCK stainless steel threaded floats (e.g., GR70S414HG) used in liquid-level switches for chemical storage tanks.

Pump control systems — NAUGATUCK copper threaded floats (e.g., GRC5023RC) employed in sump pump level sensors for non-corrosive fluids.

Water treatment — NAUGATUCK through-tube floats (e.g., GRT70S421C) installed in guide-rod assemblies for reservoir level monitoring.

Process automation — NAUGATUCK stainless steel machine-thread floats (e.g., GR4X525304SS) integrated into automated fill/drain control circuits.

Marine bilge systems — NAUGATUCK copper floats (e.g., GRC1220RH) used in bilge pump switches for corrosion resistance in saltwater environments.

NAUGATUCK Products

3G Electric supplies NAUGATUCK stainless steel through-tube floats. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

Browse all NAUGATUCK products →Contact our engineers →