APOLLO Double Check Valve Assembly: 4A, 1 1/4 in Pipe Size, FNPT x FNPT, 17.5 in Overall Lg
The APOLLO Double Check Valve Assembly: 4A is a bronze backflow preventer with a 1 1/4 in pipe size and FNPT x FNPT connections. It features ball valve shut-offs and has an overall length of 17.5 in, identified by…
SKU 3G-OTH-431827
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
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Product Description
The APOLLO Double Check Valve Assembly: 4A is a bronze backflow preventer with a 1 1/4 in pipe size and FNPT x FNPT connections. It features ball valve shut-offs and has an overall length of 17.5 in, identified by manufacturer part number 4ALF106A2F.
Frequently Asked Questions
What is the APOLLO Double Check Valve Assembly 4A used for?
The APOLLO Double Check Valve Assembly 4A is a backflow preventer used in commercial and industrial water systems to stop contaminated water from flowing backward into the potable supply. It is typically installed on non-hazardous cross-connections, such as irrigation lines or fire sprinkler systems, where low-to-medium hazard backflow protection is required.
What are the specifications of the APOLLO 4ALF106A2F double check valve?
The APOLLO 4ALF106A2F double check valve assembly has a 1 1/4 in pipe size with FNPT x FNPT connections. It is made of bronze, features ball valve shut-offs, and has an overall length of 17.5 in. The manufacturer part number is 4ALF106A2F, and it is part of the Apollo 4A series backflow preventers.
Where to buy the APOLLO 4ALF106A2F double check valve worldwide?
You can source the APOLLO 4ALF106A2F double check valve assembly through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine Apollo backflow preventers to procurement teams and engineers globally.
How to install the APOLLO double check valve assembly 4A?
Install the APOLLO double check valve assembly 4A in a horizontal or vertical position with flow direction matching the arrow on the body. Ensure both FNPT connections are properly sealed with thread tape and tightened to manufacturer torque specs. Always install test cocks and shut-off ball valves per local plumbing codes, and test the assembly after installation to verify backflow protection.
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3G Electric supplies APOLLO apollo double check backflow preventers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
