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Siemens2-Way NPT Connection Zone Valves

Siemens Zone Valve: 40 Cv Flow Rate, 2-Way, 2 in Female NPT, Spring Return, NC

The SIEMENS HVAC Zone Valve (SKU 878FF2) 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…

SKU 3G-OTH-69743

Brand

Siemens

Item

Zone Valve: 40 Cv Flow Rate, 2-Way, 2 in Female NPT, Spring Return, NC

Category

2-Way NPT Connection Zone Valves

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Technical Specifications

Siemens

Manufacturer Part Number

291-03188 

Type

2-Way, Spring Return, NC, Proportional Signal 

Female NPT

2 in 

Actuator Voltage

24V AC 

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Siemens Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS HVAC Zone Valve (SKU 878FF2) 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.

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.

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