CAMPBELL Spring Check Valve: Poppet, Inline Valve Body, 1 1/2 in Pipe Size, FNPT x FNPT
The CAMPBELL Spring Check Valve: Poppet is a lead-free bronze inline check valve with a 1 1/2 in pipe size, featuring FNPT x FNPT connections and NPT threads (MPN 4033E). This valve is designed to prevent backflow in…
SKU 3G-OTH-428590
Also listed as: 4033 E · 4033-E
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 CAMPBELL Spring Check Valve: Poppet is a lead-free bronze inline check valve with a 1 1/2 in pipe size, featuring FNPT x FNPT connections and NPT threads (MPN 4033E). This valve is designed to prevent backflow in industrial piping systems, supporting applications across 14 departments including plumbing, pumps, and controls.
Frequently Asked Questions
What is a CAMPBELL Spring Check Valve used for?
A CAMPBELL Spring Check Valve is used to prevent backflow in piping systems. Its poppet design allows flow in one direction and automatically closes when flow reverses, protecting pumps and equipment in water, HVAC, and industrial applications.
What are the specifications of the CAMPBELL 4033E check valve?
The CAMPBELL 4033E is a lead-free bronze poppet check valve with an inline valve body. It has 1 1/2 in FNPT x FNPT connections and NPT threads. The spring-loaded poppet ensures reliable sealing and low-pressure drop in horizontal or vertical installations.
Where to buy CAMPBELL check valves worldwide?
You can source CAMPBELL check valves worldwide through 3G Electric. As a global industrial distributor, 3G Electric handles full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on the 4033E model.
How to install a CAMPBELL spring check valve?
Install the CAMPBELL check valve in the correct flow direction as indicated by the arrow on the body. Use pipe thread sealant on the FNPT connections and tighten to standard torque. Ensure the valve is accessible for inspection and that the spring mechanism moves freely before commissioning.
Used in
Common applications for CAMPBELLCAMPBELL Products
3G Electric supplies CAMPBELL 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.
