ARMSTRONG Motor Coupler for Circulator Pumps, 812734-000, Cast Iron
The ARMSTRONG Circulating Pump Coupler, Mfr Part # 812734-000, is a cast-iron motor coupler designed for circulator pumps. It is compatible with Bell & Gossett PD-39 series pumps and Part Number 32UM82.
SKU 3G-OTH-83517
Also listed as: 812734000 · 812734 000
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Product Description
The ARMSTRONG Circulating Pump Coupler, Mfr Part # 812734-000, is a cast-iron motor coupler designed for circulator pumps. It is compatible with Bell & Gossett PD-39 series pumps and Part Number 32UM82.
Frequently Asked Questions
What is the ARMSTRONG Circulating Pump Coupler 812734-000 used for?
The ARMSTRONG Circulating Pump Coupler 812734-000 connects the motor shaft to the pump shaft in circulator pumps. It is commonly used in HVAC systems, hydronic heating, and industrial fluid circulation applications to transmit torque while compensating for minor misalignment.
What are the specifications of the ARMSTRONG 812734-000 coupler?
The ARMSTRONG 812734-000 coupler is made of cast iron. It is compatible with Bell & Gossett PD-39 series pumps and Part Number 32UM82. The manufacturer part number is 812734-000, and it is designed for use with circulator pump motors.
Where to buy the ARMSTRONG 812734-000 coupler worldwide?
3G Electric supplies the ARMSTRONG 812734-000 coupler worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time for your region.
How to install the ARMSTRONG 812734-000 coupler on a Bell & Gossett PD-39 pump?
To install the ARMSTRONG 812734-000 coupler, first disconnect power and drain the system. Slide the coupler onto the motor shaft, align with the pump shaft, and secure using the set screws. Ensure proper alignment to avoid vibration. Refer to the Bell & Gossett PD-39 manual for torque specifications.
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3G Electric supplies ARMSTRONG motor couplers for circulator pumps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
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Compatible alternatives & equivalents
- ARMSTRONG Bearing assembly for in-line circulating pumps, compatible with H-32 series. Includes two gaskets for sealing. Supports rotating shaft to maintain pump operation in fluid circulation systems
- ARMSTRONG Single-phase OEM replacement motor for circulator pumps. Rated 3/4 hp at 115/230V AC with a 56 frame designation. Compatible with Series 1164870LF-137. Used in hydronic heating and HVAC systems to drive water circulation