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

Image not available
ARMSTRONG INTERNATIONALThermostatic Cap & Disc Assemblies

ARMSTRONG INTERNATIONAL D506503 Steam Trap Cap and Disc Assembly for Series B

The ARMSTRONG INTERNATIONAL D506503 is a steam trap cap and disc assembly, a repair part for the D1175-7 model. It is compatible with Series B steam traps. This thermostatic cap and disc assembly is designed for use…

SKU 3G-OTH-70496

Also listed as: D 506503 · D-506503

Brand
ARMSTRONG INTERNATIONAL
Item
D506503 Steam Trap Cap and Disc Assembly for Series B
Category
Thermostatic Cap & Disc Assemblies
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 — 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

ARMSTRONG INTERNATIONAL
Manufacturer Part Number
D506503
Product Type
Steam Trap Cap and Disc
Compatible Series
B
Compatible Manufacturer Model Number
D1175-7

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

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

Product Description

The ARMSTRONG INTERNATIONAL D506503 is a steam trap cap and disc assembly, a repair part for the D1175-7 model. It is compatible with Series B steam traps. This thermostatic cap and disc assembly is designed for use with the 36Y244 unit.

Frequently Asked Questions

What is the Armstrong D506503 steam trap cap and disc used for?

The Armstrong D506503 is a repair part — a steam trap cap and disc assembly — used to service Armstrong D1175-7 steam traps in Series B applications. It restores proper condensate removal and steam conservation in industrial steam systems across power generation, chemical processing, and HVAC.

What are the specifications of the Armstrong D506503?

The Armstrong D506503 is a steam trap cap and disc assembly. It is a repair part for the D1175-7 model and is compatible with Armstrong Series B steam traps. The product type is thermostatic cap and disc assemblies, designed for use with the 15B2 unit.

Where to buy the Armstrong D506503 steam trap cap and disc worldwide?

3G Electric supplies the Armstrong D506503 steam trap cap and disc assembly to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this repair part for D1175-7 steam traps.

How to install the Armstrong D506503 cap and disc assembly?

To install the Armstrong D506503 cap and disc assembly, first isolate the steam trap and depressurize the line. Remove the old cap and disc, clean the mating surfaces, then fit the new assembly and torque the cap to manufacturer specifications. Always follow Armstrong's service manual for Series B traps.

Used in

Common applications for ARMSTRONG INTERNATIONAL
Chemical processing — Armstrong International inverted-bucket steam traps (e.g., 882-050-125) for condensate removal from heat exchangers.
Food and beverage — Armstrong International corrosion-resistant steam traps (e.g., 1811-050-200) for steam tracing on sanitary lines.
Refining — Armstrong International high-pressure steam traps (e.g., 1822-100-650) for process steam mains.
Commercial HVAC — Armstrong International steam spargers (e.g., MS6-1-1/4") for hot water generation in boiler systems.
Pharmaceutical — Armstrong International stainless-steel steam traps (e.g., 1811-050-400) for clean steam applications.
Power generation — Armstrong International cast-iron steam traps (e.g., 883-075-250) for turbine drain lines.

ARMSTRONG INTERNATIONAL Products

3G Electric supplies ARMSTRONG INTERNATIONAL thermostatic cap & disc assemblies. 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

Compatible alternatives & equivalents

Cross-referenced by specification & description
DYNABRADE
DYNABRADE
This housing is a replacement component for DYNABRADE Model 51701 air tools operating at 60,000 RPM. It encloses and protects internal parts, maintaining tool integrity during high-speed grinding or finishing applications in industrial metalworking and fabrication
DYNABRADE
DYNABRADE
Housing assembly for DYNABRADE air tools. Encloses and protects internal components. Designed for use with Model 53091,950 RPM. Suitable for grinding, deburring, and surface finishing applications
DYNABRADE
DYNABRADE
DYNABRADE Housing for Model 56739: Mfr Part # 06046, Housing, Compatible with Mfr Part # 56739
DYNABRADE
DYNABRADE
Replacement housing for DYNABRADE air tools compatible with model 56719. Encloses and protects internal components during grinding, sanding, or finishing operations
DYNABRADE
DYNABRADE
Replacement housing for DYNABRADE air tools, compatible with Model 56751. Encloses and protects internal components during grinding, sanding, or finishing operations in metalworking and fabrication
DYNABRADE
DYNABRADE
Replacement housing for DYNABRADE Model 56844 air tools rated at 12,000 RPM. This component encloses and protects internal tool parts during grinding, deburring, and surface finishing operations

More from ARMSTRONG INTERNATIONAL

View all ARMSTRONG INTERNATIONAL parts
ARMSTRONG INTERNATIONAL
ARMSTRONG INTERNATIONAL
This thermostatic cap and disc assembly is a repair part for Armstrong Series B steam traps, including the 30B2 model. It replaces manufacturer model number D500765 and is used to restore proper condensate drainage and steam conservation in industrial steam systems
ARMSTRONG INTERNATIONAL
ARMSTRONG INTERNATIONAL
Thermostatic cap and disc assembly for steam traps. Compatible with Armstrong series A steam traps and model D500448. Used in industrial steam systems for condensate drainage and steam conservation
ARMSTRONG INTERNATIONAL
ARMSTRONG INTERNATIONAL
This cap and disc assembly is a replacement part for steam traps in the JD series, including model C6127. It is used to maintain proper condensate drainage and prevent steam loss in industrial heating and process systems
ARMSTRONG INTERNATIONAL
ARMSTRONG INTERNATIONAL
Thermostatic cap and disc assembly for steam traps. Compatible with Series A and model D500053. Used to replace cap and disc internals in steam traps for condensate drainage and steam conservation
ARMSTRONG INTERNATIONAL
ARMSTRONG INTERNATIONAL
This thermostatic cap and disc assembly is a replacement component for Armstrong Series B steam traps. It is compatible with model D1175-10 and is used to restore proper condensate drainage and steam conservation in industrial steam systems
ARMSTRONG INTERNATIONAL
ARMSTRONG INTERNATIONAL
Thermostatic cap and disc assembly for steam traps. Compatible with AI series and model D500622. Used as a replacement component in steam systems for condensate removal and steam conservation
ARMSTRONG INTERNATIONAL
ARMSTRONG INTERNATIONAL
Thermostatic cap and disc assembly for steam traps. Compatible with BI series and D1175-12 model. Used as a repair component to restore steam trap operation in condensate drainage systems
ARMSTRONG INTERNATIONAL
ARMSTRONG INTERNATIONAL
This thermostatic cap and disc assembly is a replacement part for Armstrong Series B steam traps, specifically for model D500655. It is used to restore proper condensate drainage and steam conservation in industrial steam systems