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Siemens Pressure Regulating Valve: Two-Way, 27.7 gpm Max., 1 1/8 in Sweat Pipe Connection - Pressure-Actuated Water Regulating Valves
SiemensPressure-Actuated Water Regulating Valves

Siemens Pressure Regulating Valve: Two-Way, 27.7 gpm Max., 1 1/8 in Sweat Pipe Connection

The SIEMENS Pressure Regulating Valve: Two-Way (MPN MVL661.25-6.3) is a pressure-actuated water regulating valve with a steel body, designed for use with R-507 refrigerant. It features a maximum flow capacity of 27.7…

SKU 3G-OTH-72557

Brand
Siemens
Item
Pressure Regulating Valve: Two-Way, 27.7 gpm Max., 1 1/8 in Sweat Pipe Connection
Category
Pressure-Actuated Water Regulating Valves
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Technical Specifications

Siemens
Manufacturer Part Number
MVL661.25-6.3
Type
1 in
Max.
27.7 gpm
Body Material
Steel
For Refrigerant Type
R-507
Sweat Pipe Connection
1 1/8 in
View Full Spec Sheet

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

Product Description

The SIEMENS Pressure Regulating Valve: Two-Way (MPN MVL661.25-6.3) is a pressure-actuated water regulating valve with a steel body, designed for use with R-507 refrigerant. It features a maximum flow capacity of 27.7 gpm and connects via a 1 1/8 in sweat pipe connection.

Frequently Asked Questions

What is the SIEMENS MVL661.25-6.3 pressure regulating valve used for?

The SIEMENS MVL661.25-6.3 is a two-way pressure-actuated water regulating valve used in refrigeration systems with R-507 refrigerant. It modulates water flow to maintain stable condensing pressure, commonly applied in industrial chillers and process cooling loops.

What are the specifications of the SIEMENS MVL661.25-6.3 valve?

The SIEMENS MVL661.25-6.3 is a two-way pressure regulating valve with a steel body, rated for R-507 refrigerant. It has a maximum flow of 27.7 gpm and a 1 1/8 in sweat pipe connection. The manufacturer part number is MVL661.25-6.3.

Where to buy the SIEMENS MVL661.25-6.3 valve worldwide?

3G Electric supplies the SIEMENS MVL661.25-6.3 pressure regulating valve worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install the SIEMENS MVL661.25-6.3 pressure regulating valve?

Install the SIEMENS MVL661.25-6.3 in the water line with the arrow matching flow direction. Braze the 1 1/8 in sweat connections using dry nitrogen purge to prevent oxidation. Ensure the valve is accessible for adjustment and the refrigerant line is properly connected to the actuator.

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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