Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
API API Plain Form Hydrometer, Range 29/41, Division 0.2 - API Hydrometers
APIAPI Hydrometers

API API Plain Form Hydrometer, Range 29/41, Division 0.2

The API Hydrometer is an API Plain Form hydrometer with a range of 29/41 and scale divisions of 0.2. It has an overall height of 6 inches and is identified by manufacturer part number GW2504.

SKU 3G-OTH-368891

Also listed as: GW 2504 · GW-2504

Brand
API
Item
API Plain Form Hydrometer, Range 29/41, Division 0.2
Part Number
GW2504
Category
API Hydrometers
Available to Order
Also known as:GW2504API
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.
Worldwide Shipping
Air & sea freight
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
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

API
Manufacturer Part Number
GW2504
Range
29/41
Scale Type
API Plain Form
Scale Divisions
0.2

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

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

Product Description

The API Hydrometer is an API Plain Form hydrometer with a range of 29/41 and scale divisions of 0.2. It has an overall height of 6 inches and is identified by manufacturer part number GW2504.

Frequently Asked Questions

What is an API hydrometer used for?

An API hydrometer measures the specific gravity of petroleum liquids according to the American Petroleum Institute (API) scale. It is used in refineries, fuel testing labs, and storage terminals to determine fuel density and quality for compliance with industry standards.

What are the specifications of the API Hydrometer GW2504?

The API Hydrometer GW2504 has an API Plain Form scale type, a range of 29/41, and scale divisions of 0.2. Its overall height is 6 inches. This instrument is designed for precise density measurement of petroleum products in laboratory and field applications.

Where to buy API hydrometers in worldwide?

3G Electric supplies API hydrometers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on the GW2504 or other API hydrometer models.

How to select the right API hydrometer for fuel testing?

Select an API hydrometer based on the expected specific gravity range of your fuel. The GW2504 covers 29/41 API, suitable for light to medium petroleum products. Ensure the scale divisions (0.2) meet your required precision. Always verify the hydrometer is calibrated to ASTM standards.

Used in

Common applications for API
Power plants — API control rods for flanged expansion joints in steam piping systems to manage thermal expansion.
Chemical processing — API control rods for single bulb expansion joints in corrosive fluid lines to prevent over-extension.
Oil and gas refineries — API control rods for double bulb expansion joints in high-pressure piping to control axial movement.
HVAC systems — API control rods for flanged expansion joints in large ductwork to accommodate temperature changes.
Water treatment — API control rods for expansion joints in pump discharge lines to restrict motion during pressure surges.
Industrial steam distribution — API control rods for single bulb expansion joints in 12-inch headers to ensure controlled expansion.
Not sure this is the right part? Photo-identify it

API Products

3G Electric supplies API api hydrometers. 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 API

View all API parts
Glass hydrometer with API ASTM Combined Form scale, 29/41 range, and 0.1 scale divisions. Features a 0 to 150°F thermometer and overall height of 15 inches. Used for measuring specific gravity of petroleum products and crude oil in laboratory and refinery settings
API
Glass hydrometer with API ASTM Combined Form scale, 29/41 range, and 0.1 scale divisions. Features a 0 to 150°F thermometer and overall height of 15 inches. Used for measuring specific gravity of petroleum products and crude oil in laboratory and refinery settings

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first