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SiemensPressure-Actuated Water Regulating Valves

Siemens Refrigeration Valve: Pressure, 8 cu m/hr Max.

The SIEMENS MVL661.20-2.5 is a pressure-actuated water regulating valve with a steel body, designed for use with R-744 refrigerant. It has a maximum flow capacity of 8 cubic meters per hour and a 3/4-inch connection…

SKU 3G-OTH-72913

Also listed as: MVL6612025 · MVL661 20 2 5 · MVL661-20-2-5

Brand
Siemens
Item
Refrigeration Valve: Pressure, 8 cu m/hr Max.
Category
Pressure-Actuated Water Regulating Valves
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Technical Specifications

Siemens
Manufacturer Part Number
MVL661.20-2.5
Body Material
Steel
For Refrigerant Type
R-744

Technical Documents

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

Product Description

The SIEMENS MVL661.20-2.5 is a pressure-actuated water regulating valve with a steel body, designed for use with R-744 refrigerant. It has a maximum flow capacity of 8 cubic meters per hour and a 3/4-inch connection size.

Frequently Asked Questions

What is the SIEMENS MVL661.20-2.5 refrigeration valve used for?

The SIEMENS MVL661.20-2.5 is a pressure-actuated water regulating valve used in industrial refrigeration systems with R-744 (CO2) refrigerant. It modulates water flow to maintain stable condensing pressure, improving system efficiency in cold storage, food processing, and HVAC applications.

What are the specifications of the SIEMENS MVL661.20-2.5?

The SIEMENS MVL661.20-2.5 has a steel body, a maximum flow capacity of 8 cu m/hr, and a 3/4 in connection size. It is designed for R-744 refrigerant and operates as a pressure-actuated water regulating valve. The manufacturer part number is MVL661.20-2.5.

Where to buy the SIEMENS MVL661.20-2.5 worldwide?

3G Electric supplies the SIEMENS MVL661.20-2.5 worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this valve to any country.

How to install the SIEMENS MVL661.20-2.5 water regulating valve?

Install the SIEMENS MVL661.20-2.5 in the water line with the 3/4 in connection oriented per flow direction arrows. Ensure the valve is mounted upright, free of debris, and the pressure-sensing line is connected to the R-744 refrigerant circuit. Follow standard refrigeration piping practices and check for leaks after installation.

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 pressure-actuated water regulating valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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