Siemens Zone Valve: 40 Cv Flow Rate, 2-Way, 2 in Female NPT, Spring Return, NC
The SIEMENS HVAC Zone Valve (SKU 3G-OTH-69743) is a 2-Way NPT Connection Zone Valve with a 40 Cv flow rate, featuring a 2 in Female NPT connection, spring return, normally closed operation, and proportional signal…
SKU 3G-OTH-69743
Also listed as: 29103188 · 291 03188
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- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Product Description
The SIEMENS HVAC Zone Valve (SKU 3G-OTH-69743) is a 2-Way NPT Connection Zone Valve with a 40 Cv flow rate, featuring a 2 in Female NPT connection, spring return, normally closed operation, and proportional signal. It operates with a 24V AC actuator voltage and is identified by Manufacturer Part Number 291-03188.
Frequently Asked Questions
What is the Siemens HVAC zone valve 291-03188 used for?
This 2-way zone valve with a 40 Cv flow rate and 2 in Female NPT connection is used in commercial HVAC systems to regulate hot or chilled water flow. Its spring-return, normally closed design and proportional signal enable precise temperature control in building automation applications.
What are the specifications of the Siemens 291-03188 zone valve?
The Siemens HVAC zone valve (MPN 291-03188) has a 40 Cv flow rate, 2 in Female NPT connection, 2-way configuration, spring return, normally closed operation, proportional signal, and a 24V AC actuator voltage. It is designed for commercial hydronic systems.
Where to buy the Siemens 291-03188 zone valve worldwide?
3G Electric supplies the Siemens 291-03188 zone valve worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.
How to install a Siemens 2-way zone valve?
Install the Siemens 291-03188 zone valve with the flow arrow aligned to pipe direction. Use thread sealant on the 2 in Female NPT connections. Wire the 24V AC actuator per the proportional signal wiring diagram. Ensure the valve is in the normally closed position before power-up.
Used in
Common applications for SiemensSiemens Products
3G Electric supplies Siemens 2-way npt connection zone valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
