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ARMSTRONGStandard Flanges

ARMSTRONG Flange: 1 1/4 in, 816011-721K, 1 1/4 in NPT, Flange

The ARMSTRONG Standard Flange, model 816011-721K, is a 1 1/4 in NPT flange designed for use with the ARMSTRONG R20-75. This stainless steel flange includes a hardware kit and an EPDM gasket, with two flanges supplied…

SKU 3G-OTH-83694

Also listed as: 816011721K · 816011 721K

Brand
ARMSTRONG
Item
Flange: 1 1/4 in, 816011-721K, 1 1/4 in NPT, Flange
Category
Standard Flanges
Available to Order
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Technical specs
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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

ARMSTRONG
Manufacturer Part Number
816011-721K
Type
816011-721K, Flange
NPT
1 1/4 in
Includes
Hardware Kit
Body Material
Stainless Steel
Gasket Material
EPDM
Flanges Included
2
Compatible with Manufacturer Model Number
R20-75

Technical Documents

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

Product Description

The ARMSTRONG Standard Flange, model 816011-721K, is a 1 1/4 in NPT flange designed for use with the ARMSTRONG R20-75. This stainless steel flange includes a hardware kit and an EPDM gasket, with two flanges supplied per unit.

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 the ARMSTRONG 816011-721K flange used for?

The ARMSTRONG 816011-721K is a standard flange used to connect piping to the ARMSTRONG R20-75 pump or valve. It is suitable for industrial fluid-handling systems requiring a stainless steel body and EPDM gasket for sealing.

What are the specifications of the ARMSTRONG 816011-721K flange?

The ARMSTRONG 816011-721K is a 1 1/4 in NPT flange with a stainless steel body and EPDM gasket. It includes a hardware kit and two flanges per unit. It is compatible with the ARMSTRONG R20-75 model.

Where to buy the ARMSTRONG 816011-721K flange worldwide?

3G Electric supplies the ARMSTRONG 816011-721K flange worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install the ARMSTRONG 816011-721K flange?

Install the ARMSTRONG 816011-721K flange by aligning it with the mating flange on the R20-75, inserting the included hardware, and tightening bolts evenly to the manufacturer's torque specification. Use the EPDM gasket for a leak-free seal.

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 standard flanges. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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