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SIMMONS Check Valve: Poppet, Inline Valve Body, 1 in Pipe Size, FNPT x FNPT, Silicon Bronze - Lead-Free Bronze Poppet Check Valves
SIMMONSLead-Free Bronze Poppet Check Valves

SIMMONS Check Valve: Poppet, Inline Valve Body, 1 in Pipe Size, FNPT x FNPT, Silicon Bronze

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). 3G Electric…

SKU 3G-OTH-428584

Also listed as: 503 SB · 503-SB

Brand
SIMMONS
Item
Check Valve: Poppet, Inline Valve Body, 1 in Pipe Size, FNPT x FNPT, Silicon Bronze
Category
Lead-Free Bronze Poppet Check Valves
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) 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). 3G Electric interprets this demand and delivers genuine industrial equipment across 14 departments, with specialist depth in combustion, pumps, and controls as an authorised distributor.

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
Residential water wells — SIMMONS drive well points (MPN 1753-1) for shallow groundwater access
Submersible pump installations — SIMMONS foot valves (e.g., MPN 454SB) for check valve and debris filtration
Agricultural livestock watering — SIMMONS yard hydrants (MPN 805SB) for frost-proof outdoor water points
Wellhead sealing — SIMMONS well seals (MPN 114) for 4 in casing with 2 in drop pipe
Irrigation systems — SIMMONS foot valves (e.g., MPN 456SB) for pump suction line protection
Jet pump systems — SIMMONS foot valves (e.g., MPN 452SB) for maintaining prime and filtering intake water

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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Cross-referenced by specification & description
CAMPBELL Spring Check Valve: Poppet, Inline Valve Body, 2 in Pipe Size, FNPT x FNPT, Bronze, Female (MPN 4034E)
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CAMPBELL Spring Check Valve: Poppet, Inline Valve Body, 1 in Pipe Size, FNPT x FNPT, Bronze, Female (MPN 4031E)
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CAMPBELL Spring Check Valve: Poppet, Inline Valve Body, 1 in Pipe Size, FNPT x FNPT, Bronze, Female (MPN 4031E)
CAMPBELL Check Valve: Poppet, Inline Valve Body, 1 1/4 in Pipe Size, FNPT x FNPT, Bronze, Female (MPN 4062EVFD)
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CAMPBELL Check Valve: Poppet, Inline Valve Body, 1 1/4 in Pipe Size, FNPT x FNPT, Bronze, Female (MPN 4062EVFD)

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