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ARMSTRONG Union Set: 3/4 in, 810120-224, Compatible with OEM Part No. 32UN12 - Unions
ARMSTRONGUnions

ARMSTRONG Union Set: 3/4 in, 810120-224, Compatible with OEM Part No. 32UN12

The ARMSTRONG Union Set (3/4 in) is a bronze union designed for industrial piping systems. It includes an EPDM gasket and is compatible with the ASTRO 225SSU model. This component is identified by manufacturer part…

SKU 3G-OTH-81505

Also listed as: 810120224 · 810120 224

Brand
ARMSTRONG
Item
Union Set: 3/4 in, 810120-224, Compatible with OEM Part No. 32UN12
Category
Unions
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Technical Specifications

ARMSTRONG
Manufacturer Part Number
810120-224
Type
810120-224, Compatible with OEM Part No. 32UN12
FNPT
3/4 in
Includes
Gasket
Body Material
Bronze
Gasket Material
EPDM
Compatible with Manufacturer Model Number
ASTRO 225SSU

Technical Documents

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

Product Description

The ARMSTRONG Union Set (3/4 in) is a bronze union designed for industrial piping systems. It includes an EPDM gasket and is compatible with the ASTRO 225SSU model. This component is identified by manufacturer part number 810120-224.

Frequently Asked Questions

What is the ARMSTRONG Union Set 810120-224 used for?

The ARMSTRONG Union Set 810120-224 is used to connect and disconnect piping sections in industrial systems. Its bronze body and EPDM gasket make it suitable for water and steam applications where a reliable, leak-proof seal is required.

What are the specifications of the ARMSTRONG Union Set 3/4 in?

This union set has a 3/4 in FNPT connection, a bronze body, and an EPDM gasket. It includes the gasket, is compatible with the ASTRO 225SSU model, and carries manufacturer part number 810120-224. It is designed for industrial piping systems.

Where to buy the ARMSTRONG Union Set 810120-224 worldwide?

3G Electric supplies the ARMSTRONG Union Set 810120-224 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.

How to install the ARMSTRONG Union Set 3/4 in?

To install, ensure pipe ends are clean and apply thread sealant to the FNPT connections. Tighten the union nut by hand, then use wrenches on the hex flats to secure. Do not overtighten. The included EPDM gasket provides the seal; replace it if damaged.

Used in

Common applications for ARMSTRONG
Hydronic heating systems — ARMSTRONG general-purpose inline circulator pump 182202-657 for potable water circulation
Pump motor replacement — ARMSTRONG pump motor 817025-007 for S&H 4-Series circulator pumps
Flange installation on E32.2HT pumps — ARMSTRONG flange hardware kit 810120-353K with steel bolts and rubber gaskets
Bearing replacement in H-32 series pumps — ARMSTRONG bearing assembly 816549MF-091 for in-line circulating pumps
Piping system connections — ARMSTRONG standard flanges 806074-621k for H-6 6 model with stainless steel and EPDM
Retrofit of pump flanges — ARMSTRONG flange 561100LF-001 for ASTRO EXPRESS 2 SYSTEM union-type connections

ARMSTRONG Products

3G Electric supplies ARMSTRONG unions. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Cross-referenced by specification & description
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