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

Siemens Threaded Globe Valve: 1 Cv Flow Rate, 2-Way, 1/2 in Female NPT, Spring Return - 2-Way NPT Connection Zone Valves
Siemens2-Way NPT Connection Zone Valves

Siemens Threaded Globe Valve: 1 Cv Flow Rate, 2-Way, 1/2 in Female NPT, Spring Return

The Siemens 243-00210 is a 2-way NPT connection zone valve with a threaded globe valve body and a 1 Cv flow rate. It features a 1/2 in female NPT connection, a spring return normally open (NO) configuration, and an…

SKU 3G-OTH-69503

Also listed as: 24300210 · 243 00210

Brand
Siemens
Item
Threaded Globe Valve: 1 Cv Flow Rate, 2-Way, 1/2 in Female NPT, Spring Return
Category
2-Way NPT Connection Zone Valves
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

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

Technical Specifications

Siemens
Manufacturer Part Number
243-00210
Type
2-Way, Spring Return, NO, On/Off Signal
Female NPT
1/2 in
Actuator Voltage
24V AC

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

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

Product Description

The Siemens 243-00210 is a 2-way NPT connection zone valve with a threaded globe valve body and a 1 Cv flow rate. It features a 1/2 in female NPT connection, a spring return normally open (NO) configuration, and an on/off signal actuator operating at 24V AC.

Frequently Asked Questions

What is the Siemens 243-00210 threaded globe valve used for?

The Siemens 243-00210 is a 2-way zone valve used in HVAC and hydronic systems to control water or glycol flow. Its spring return normally open (NO) configuration ensures the valve opens on power loss, making it suitable for fail-safe applications in commercial buildings.

What are the specifications of the Siemens 243-00210 zone valve?

The Siemens 243-00210 is a 2-way threaded globe valve with a 1 Cv flow rate, 1/2 in female NPT connection, and a spring return normally open (NO) configuration. It operates on an on/off signal with a 24V AC actuator. The manufacturer part number is 243-00210.

Where to buy the Siemens 243-00210 valve worldwide?

You can source the Siemens 243-00210 valve through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this Siemens zone valve.

How to install the Siemens 243-00210 spring return valve?

Install the Siemens 243-00210 valve with the flow arrow aligned to pipe direction. Use thread sealant on the 1/2 in female NPT connections. Wire the 24V AC actuator per the on/off signal diagram. Ensure the spring return operates freely before commissioning. Follow standard HVAC piping practices.

Used in

Common applications for Siemens
District cooling plants — LME73 + RWF55 for condenser-water modulation
Inflight catering and food-processing steam boilers — LMG22 with SQN90 air-fuel cross-damper
Hospital steam-plant redundancy — LME41 with QRA2 UV flame detection for dual-fuel boilers
Semiconductor fab process heat — LME23 and SKP55 gas valves on hot-oil heater skids
Container-terminal reefer-deck heating — LMG22 retrofit onto legacy burner racks

Siemens 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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Threaded Globe Valve: 2.5 Cv Flow Rate, 2-Way, 1/2 in Female NPT, Spring Return, NO, On/Off Signal (MPN 243-00211)
Siemens
Threaded Globe Valve: 2.5 Cv Flow Rate, 2-Way, 1/2 in Female NPT, Spring Return, NO, On/Off Signal (MPN 243-00211)
Pneumatic Control Valve: 4 Cv Flow Rate, 2-Way, 1/2 in Female NPT, Spring Return, NO, Spring Return (MPN 257-02041)
Siemens
Pneumatic Control Valve: 4 Cv Flow Rate, 2-Way, 1/2 in Female NPT, Spring Return, NO, Spring Return (MPN 257-02041)
Siemens
Siemens
HVAC Zone Valve: 40 Cv Flow Rate, 2-Way, 2 in Female NPT, Spring Return, NC, Proportional Signal (MPN 291-03188)
Zone Valve: 2.5 Cv Flow Rate, 2-Way, 1/2 in Female Union NPT/1/2 in Male Union NPT, Spring Return (MPN 257-02039)
Siemens
Zone Valve: 2.5 Cv Flow Rate, 2-Way, 1/2 in Female Union NPT/1/2 in Male Union NPT, Spring Return (MPN 257-02039)
Zone Valve: 4 Cv Flow Rate, 2-Way, 1/2 in Female Union NPT/1/2 in Male Union NPT, Spring Return, NO (MPN 257-02042)
Siemens
Zone Valve: 4 Cv Flow Rate, 2-Way, 1/2 in Female Union NPT/1/2 in Male Union NPT, Spring Return, NO (MPN 257-02042)
Hydronic Zone Valve: 2.5 Cv Flow Rate, 2-Way, 1/2 in Female NPT, Non-Spring Return, NO, Electric (MPN 259-02038)
Siemens
Hydronic Zone Valve: 2.5 Cv Flow Rate, 2-Way, 1/2 in Female NPT, Non-Spring Return, NO, Electric (MPN 259-02038)

More from Siemens

View all Siemens parts
Pneumatic Control Valve: 2.5 Cv Flow Rate, 2-Way, 1/2 in Female NPT, Spring Return, NO, Pneumatic (MPN 257-02038)
Siemens
Pneumatic Control Valve: 2.5 Cv Flow Rate, 2-Way, 1/2 in Female NPT, Spring Return, NO, Pneumatic (MPN 257-02038)
Threaded Globe Valve: 4.1 Cv Flow Rate, 2-Way, 3/4 in Female NPT, Spring Return, NO, On/Off Signal (MPN 243-00212)
Siemens
Threaded Globe Valve: 4.1 Cv Flow Rate, 2-Way, 3/4 in Female NPT, Spring Return, NO, On/Off Signal (MPN 243-00212)
Hydronic Zone Valve: 1 Cv Flow Rate, 2-Way, 1/2 in Female NPT, Non-Spring Return, NO, Electric (MPN 259-02034)
Siemens
Hydronic Zone Valve: 1 Cv Flow Rate, 2-Way, 1/2 in Female NPT, Non-Spring Return, NO, Electric (MPN 259-02034)
Hydronic Zone Valve: 0.4 Cv Flow Rate, 2-Way, 1/2 in Female NPT, Non-Spring Return, NO, Electric (MPN 259-02030)
Siemens
Hydronic Zone Valve: 0.4 Cv Flow Rate, 2-Way, 1/2 in Female NPT, Non-Spring Return, NO, Electric (MPN 259-02030)
Hydronic Zone Valve: 4 Cv Flow Rate, 2-Way, 1/2 in Female NPT, Non-Spring Return, NO, Electric (MPN 259-02041)
Siemens
Hydronic Zone Valve: 4 Cv Flow Rate, 2-Way, 1/2 in Female NPT, Non-Spring Return, NO, Electric (MPN 259-02041)
Hydronic Zone Valve: 2.5 Cv Flow Rate, 2-Way, 1/2 in Female NPT, Non-Spring Return, NC, Electric (MPN 259-02008)
Siemens
Hydronic Zone Valve: 2.5 Cv Flow Rate, 2-Way, 1/2 in Female NPT, Non-Spring Return, NC, Electric (MPN 259-02008)
Hydronic Zone Valve: 1.6 Cv Flow Rate, 2-Way, 1/2 in Female NPT, Non-Spring Return, NO, Electric (MPN 259-02036)
Siemens
Hydronic Zone Valve: 1.6 Cv Flow Rate, 2-Way, 1/2 in Female NPT, Non-Spring Return, NO, Electric (MPN 259-02036)
Pneumatic Control Valve: 6.3 Cv Flow Rate, 2-Way, 3/4 in Female NPT, Spring Return, NO, Pneumatic (MPN 257-02044)
Siemens
Pneumatic Control Valve: 6.3 Cv Flow Rate, 2-Way, 3/4 in Female NPT, Spring Return, NO, Pneumatic (MPN 257-02044)