We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

WELL-X-TROL Bladder: Mfr No 181-21 - Bladders for Well Pump Systems
WELL-X-TROLBladders for Well Pump Systems

WELL-X-TROL Bladder: Mfr No 181-21

The WELL-X-TROL Bladder, Manufacturer Part Number 181-21, is a replacement bladder designed for deep well submersible pump systems. It is compatible with WELL-X-TROL model WX-424 and also fits models ST-424, ST-454…

SKU 3G-OTH-99147

Also listed as: 18121 · 181 21

Brand
WELL-X-TROL
Item
Bladder: Mfr No 181-21
Category
Bladders for Well Pump Systems
Available to Order
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

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

WELL-X-TROL
Manufacturer Part Number
181-21
Type
Compatible Mfr No ST-424/ST-454/WX-424/WX-454
Product Type
Bladder
Compatible Product Type
Deep Well Submersible Pump
Compatible Manufacturer Model Number
WX-424

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

WELL-X-TROL Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WELL-X-TROL Bladder, Manufacturer Part Number 181-21, is a replacement bladder designed for deep well submersible pump systems. It is compatible with WELL-X-TROL model WX-424 and also fits models ST-424, ST-454, and WX-454. This bladder serves as a key component in maintaining proper pressure and operation within compatible well pump tanks.

Frequently Asked Questions

What is the WELL-X-TROL Bladder 181-21 used for?

The WELL-X-TROL Bladder 181-21 is a replacement component for deep well submersible pump systems. It maintains proper pressure and operation within compatible well pump tanks, specifically models WX-424, ST-424, ST-454, and WX-454. This bladder ensures consistent water delivery and system efficiency.

What are the specifications of the WELL-X-TROL Bladder 181-21?

The WELL-X-TROL Bladder, part number 181-21, is a bladder product type compatible with deep well submersible pumps. It fits WELL-X-TROL model WX-424 and also models ST-424, ST-454, and WX-454. The manufacturer part number is 181-21, and it is designed as a direct replacement for these well pump tanks.

Where to buy the WELL-X-TROL Bladder 181-21 worldwide?

3G Electric supplies the WELL-X-TROL Bladder 181-21 worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this replacement bladder for your deep well submersible pump system.

How to install the WELL-X-TROL Bladder 181-21?

To install the WELL-X-TROL Bladder 181-21, first depressurize the well tank and drain all water. Remove the old bladder and inspect the tank interior for debris. Insert the new bladder, ensuring proper alignment with the air valve. Reassemble the tank and pressurize the air chamber to the manufacturer's recommended setting before restoring water supply.

Used in

Common applications for WELL-X-TROL
Residential well water systems — WELL-X-TROL bladders for deep well submersible pumps (e.g., part 184-27)
Agricultural irrigation — WELL-X-TROL bladders for convertible well jet pumps (e.g., part 183-11)
Commercial water supply — WELL-X-TROL bladders for tank models ST-450/WX-450 (e.g., part 183-13)
Industrial process water — WELL-X-TROL bladders for deep well submersible pumps (e.g., part 185-22)
Municipal water booster stations — WELL-X-TROL bladders for tank models ST-424/WX-424 (e.g., part 181-21)
Remote off-grid water systems — WELL-X-TROL bladders for convertible well jet pumps (e.g., part 186-23)

WELL-X-TROL Products

3G Electric supplies WELL-X-TROL bladders for well pump systems. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Pump Accessories Valves & Regulation Motors & Drives All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
DAYTON Bladder: Mfr No PP17GALBLADG, Compatible Mfr No //, Convertible Well Jet Pump
Dayton
DAYTON Bladder: Mfr No PP17GALBLADG, Compatible Mfr No //, Convertible Well Jet Pump
DAYTON Bladder: Mfr No PP6GALBLADG, Compatible Mfr No ///, Shallow Well Jet Pump
Dayton
DAYTON Bladder: Mfr No PP6GALBLADG, Compatible Mfr No ///, Shallow Well Jet Pump
DAYTON Bladder: Mfr No PP2GALBLADG, Compatible Mfr No, Compatible No
Dayton
DAYTON Bladder: Mfr No PP2GALBLADG, Compatible Mfr No, Compatible No
DAYTON Bladder: Mfr No PP21GALBLADG, Compatible Mfr No /, Convertible Well Jet Pump
Dayton
DAYTON Bladder: Mfr No PP21GALBLADG, Compatible Mfr No /, Convertible Well Jet Pump

More from WELL-X-TROL

View all WELL-X-TROL parts
WELL-X-TROL Bladder: Mfr No 183-11, Compatible Mfr No ST-448/WX-448, Compatible No WX-448C
WELL-X-TROL
WELL-X-TROL Bladder: Mfr No 183-11, Compatible Mfr No ST-448/WX-448, Compatible No WX-448C
WELL-X-TROL Bladder: Mfr No 183-13, Compatible Mfr No ST-450/WX-450, Compatible No WX-450C
WELL-X-TROL
WELL-X-TROL Bladder: Mfr No 183-13, Compatible Mfr No ST-450/WX-450, Compatible No WX-450C
WELL-X-TROL Bladder: Mfr No 183-12, Compatible Mfr No ST-449/WX-449, Compatible No WX-449C
WELL-X-TROL
WELL-X-TROL Bladder: Mfr No 183-12, Compatible Mfr No ST-449/WX-449, Compatible No WX-449C
WELL-X-TROL Bladder: Mfr No 183-10, Compatible Mfr No ST-447/WX-447, Compatible No WX-447C
WELL-X-TROL
WELL-X-TROL Bladder: Mfr No 183-10, Compatible Mfr No ST-447/WX-447, Compatible No WX-447C
WELL-X-TROL Bladder: Mfr No 182-21, Compatible Mfr No ST-455/WX-455, Compatible No WX-455C
WELL-X-TROL
WELL-X-TROL Bladder: Mfr No 182-21, Compatible Mfr No ST-455/WX-455, Compatible No WX-455C
WELL-X-TROL Bladder: Mfr No 185-22, Compatible Mfr No ST-422/ST-452/WX-422/WX-452
WELL-X-TROL
WELL-X-TROL Bladder: Mfr No 185-22, Compatible Mfr No ST-422/ST-452/WX-422/WX-452
WELL-X-TROL Bladder: Mfr No 184-27, Compatible Mfr No ST-421/ST-451/WX-421/WX-451
WELL-X-TROL
WELL-X-TROL Bladder: Mfr No 184-27, Compatible Mfr No ST-421/ST-451/WX-421/WX-451
WELL-X-TROL Bladder: Mfr No 186-23, Compatible Mfr No ST-423/ST-453/WX-423/WX-453
WELL-X-TROL
WELL-X-TROL Bladder: Mfr No 186-23, Compatible Mfr No ST-423/ST-453/WX-423/WX-453