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3G Electric
SIMMONS 503SB Lead-Free Bronze Poppet Check Valve - Lead-Free Bronze Poppet Check Valves
SIMMONSLead-Free Bronze Poppet Check Valves

SIMMONS 503SB Lead-Free Bronze Poppet Check Valve

The SIMMONS Check Valve: Poppet is a lead-free bronze poppet check valve with an inline valve body, 1 in pipe size, and FNPT x FNPT connections in silicon bronze, female configuration (MPN 503SB).

SKU 3G-OTH-428584

Also listed as: 503 SB · 503-SB

Brand
SIMMONS
Item
503SB Lead-Free Bronze Poppet Check Valve
Part Number
503SB
Category
Lead-Free Bronze Poppet Check Valves
Available to Order
Also known as:503SBSIMMONS
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

SIMMONS
Manufacturer Part Number
503SB
Type
Inline Valve Body, FNPT x FNPT, Silicon Bronze, Female
Pipe Size
1 in

Technical Documents

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

Product Description

The SIMMONS Check Valve: Poppet is a lead-free bronze poppet check valve with an inline valve body, 1 in pipe size, and FNPT x FNPT connections in silicon bronze, female configuration (MPN 503SB).

Frequently Asked Questions

What is a SIMMONS 503SB check valve used for?

The SIMMONS 503SB is a lead-free bronze poppet check valve used to prevent backflow in plumbing and industrial piping systems. Its silicon bronze body resists corrosion, making it suitable for potable water, HVAC, and process lines where one-way flow is critical.

What are the specifications of the SIMMONS 503SB check valve?

The SIMMONS 503SB is a 1 in pipe size, inline poppet check valve with FNPT x FNPT connections. It has a silicon bronze body and female ends. The manufacturer part number is 503SB, and it is a lead-free bronze valve designed for reliable backflow prevention.

Where to buy a SIMMONS 503SB check valve worldwide?

3G Electric supplies the SIMMONS 503SB lead-free bronze check valve to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this and other industrial valves across 14 departments.

How to install a SIMMONS 503SB check valve?

Install the SIMMONS 503SB check valve in the correct flow direction, indicated by the arrow on the body. Use thread sealant on the FNPT connections and tighten to standard torque. Ensure the valve is accessible for inspection and that the piping is aligned to avoid stress on the body.

Used in

Common applications for SIMMONS
Water treatment plants — Simmons lead-free bronze poppet check valves (e.g., MPN 505SB) prevent backflow in chemical dosing and water supply lines.
Irrigation systems — Simmons foot valves (e.g., MPN 456SB) maintain pump prime and prevent backflow in agricultural irrigation pump suction lines.
Industrial pump stations — Simmons spring-loaded foot valves with stainless steel strainers protect pumps from debris and loss of prime.
Plumbing systems — Simmons lead-free check valves (e.g., MPN 503SB) ensure one-way flow in potable water distribution and recirculation loops.
Oil and gas transfer — Simmons silicon bronze check valves handle compatible fluids in fuel transfer and lubrication systems.
HVAC systems — Simmons check valves (e.g., MPN 502SB) prevent reverse flow in chilled water and condenser water piping.
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SIMMONS Products

3G Electric supplies SIMMONS lead-free bronze poppet check valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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