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

3G Electric
RFQ CartGet a QuoteSign inSign up
APOLLO Check Valve: Swing, Inline Valve Body, 1/2 in Pipe Size, FNPT x FNPT, Bronze - Brass Inline Disc Check Valves
APOLLOBrass Inline Disc Check Valves

APOLLO Check Valve: Swing, Inline Valve Body, 1/2 in Pipe Size, FNPT x FNPT, Bronze

SKU 3G-OTH-431243

Brand
APOLLO
Item
Check Valve: Swing, Inline Valve Body, 1/2 in Pipe Size, FNPT x FNPT, Bronze
Category
Brass Inline Disc Check Valves
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

APOLLO
Manufacturer Part Number
61-503-01
Type
Inline Valve Body, FNPT x FNPT, Bronze, Female, NPT
Pipe Size
1/2 in
View Full Spec Sheet

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

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

Frequently Asked Questions

What is an APOLLO 61-503-01 check valve used for?

The APOLLO 61-503-01 is a 1/2 in bronze swing check valve with FNPT connections. It prevents backflow in plumbing, HVAC, and industrial water systems, protecting pumps and equipment from reverse flow damage.

What are the specifications of the APOLLO 61-503-01 check valve?

This APOLLO check valve has a 1/2 in pipe size, FNPT x FNPT female connections, a bronze inline valve body, and a swing disc design. The manufacturer part number is 61-503-01. It is suitable for non-potable water and light industrial applications.

Where to buy APOLLO 61-503-01 check valves worldwide?

3G Electric supplies the APOLLO 61-503-01 check valve to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this bronze swing check valve.

How to install an APOLLO swing check valve?

Install the APOLLO 61-503-01 with the flow arrow pointing in the direction of flow. Use thread sealant on the FNPT connections and ensure the valve is mounted horizontally or vertically with the disc hinge pin upright. Always follow local plumbing codes.

Used in

Common applications for APOLLO
Water supply systems — APOLLO double check valve backflow preventers (Series 4A) for backflow protection in commercial buildings.
HVAC piping — APOLLO bronze ball valves (two-piece, FNPT) for shut-off and isolation in heating and cooling loops.
Irrigation networks — APOLLO double check valve assemblies (bronze, FNPT) to prevent contamination of potable water sources.
Process piping — APOLLO three-piece ball valves (full-port, sweat connections) for maintenance-friendly flow control in industrial lines.
Safety systems — APOLLO spring-return lever ball valves (bronze, FNPT) for fail-safe shut-off in fuel or gas applications.
Plumbing repairs — APOLLO repair kits (complete check kits) for servicing backflow preventers in existing installations.

APOLLO Products

3G Electric supplies APOLLO brass inline disc check valves. 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 →

Similar products

Matched by specification & description
APOLLO Check Valve: Swing, Inline Valve Body, 1/2 in Pipe Size, FNPT x FNPT, Bronze, Female, NPT (MPN 61LF50301). Key specifications — Brand: APOLLO.
APOLLO
APOLLO Check Valve: Swing, Inline Valve Body, 1/2 in Pipe Size, FNPT x FNPT, Bronze, Female, NPT (MPN 61LF50301). Key specifications — Brand: APOLLO.
APOLLO Check Valve: Swing, Inline Valve Body, 3/4 in Pipe Size, FNPT x FNPT, Bronze, Female, NPT (MPN 61LF50401). Key specifications — Brand: APOLLO.
APOLLO
APOLLO Check Valve: Swing, Inline Valve Body, 3/4 in Pipe Size, FNPT x FNPT, Bronze, Female, NPT (MPN 61LF50401). Key specifications — Brand: APOLLO.
APOLLO Check Valve: Poppet, Inline Valve Body, 3/8 in Pipe Size, FNPT x FNPT, Bronze, Female, NPT (MPN 61LF50201). Key specifications — Brand: APOLLO.
APOLLO
APOLLO Check Valve: Poppet, Inline Valve Body, 3/8 in Pipe Size, FNPT x FNPT, Bronze, Female, NPT (MPN 61LF50201). Key specifications — Brand: APOLLO.
APOLLO Check Valve: Ball, Inline Valve Body, Bronze, 1/2 in Pipe Size, Press x Press, 406°F, Brass (MPN 6110301PR). Key specifications — Ball Material: RPTFE; Brand: APOLLO.
APOLLO
APOLLO Check Valve: Ball, Inline Valve Body, Bronze, 1/2 in Pipe Size, Press x Press, 406°F, Brass (MPN 6110301PR). Key specifications — Ball Material: RPTFE; Brand: APOLLO.
APOLLO Check Valve: Ball, Inline Valve Body, Bronze, 1 in Pipe Size, Press x Press, 406°F, Brass (MPN 6110501PR). Key specifications — Ball Material: RPTFE; Brand: APOLLO.
APOLLO
APOLLO Check Valve: Ball, Inline Valve Body, Bronze, 1 in Pipe Size, Press x Press, 406°F, Brass (MPN 6110501PR). Key specifications — Ball Material: RPTFE; Brand: APOLLO.
APOLLO Check Valve: Ball, Inline Valve Body, Bronze, 2 in Pipe Size, FNPT x FNPT, 81 gpm Flow Rate (MPN 61LF10801). Key specifications — Ball Material: RPTFE; Brand: APOLLO.
APOLLO
APOLLO Check Valve: Ball, Inline Valve Body, Bronze, 2 in Pipe Size, FNPT x FNPT, 81 gpm Flow Rate (MPN 61LF10801). Key specifications — Ball Material: RPTFE; Brand: APOLLO.

More from APOLLO

View all APOLLO parts →