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Siemens VXG41.20 3-Port Seat Valve — External Thread, PN16, DN20, kvs 6.3

Siemens VXG41.20 3-port seat valve with external thread.

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ManufacturerSiemens

Part numberVXG41.20

Type 3-port seat valve

Connection Type External Thread

Pressure Rating PN16

Nominal Diameter DN20

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3-port configuration External threaded connection PN16 pressure rating DN20 nominal diameter kvs 6.3 for fine flow adjustment Compact design

Product description

The Siemens VXG41.20 is a compact 3-port seat valve featuring an external thread connection for ease of installation. Designed with a PN16 pressure rating and a DN20 nominal diameter, it has a kvs value of 6.3, suitable for precise flow control.

This valve is commonly used in heating, ventilation, and air conditioning (HVAC) systems, as well as general building automation and industrial control loops where a threaded connection is preferred and moderate flow rates are required.

Stanlo Automation, a veteran-owned supplier of surplus industrial parts, offers the Siemens VXG41.20 valve. We are committed to providing reliable components at competitive prices, backed by knowledgeable service.

Technical specifications

Type	3-port seat valve
Connection Type	External Thread
Pressure Rating	PN16
Nominal Diameter	DN20
kvs Value	6.3
Manufacturer	Siemens

Common applications

HVAC control

Building automation

Hydronic systems

Control loops

Fan coil units

Small-scale process control

Compatible systems

Designed for use with Siemens actuators and control systems commonly found in building automation and industrial HVAC applications.

Also known as

Siemens VXG41 Siemens threaded seat valve

Replaces / compatible with

Replaces older Siemens threaded seat valves in DN20 applications needing PN16 pressure rating. Verify thread size and pitch for compatibility.

Technical note

Expert tip

Ensure correct thread sealant is used during installation to achieve a leak-proof seal at PN16 pressure with the external thread connection.

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Frequently asked questions

What type of connection does the Siemens VXG41.20 valve use?

The Siemens VXG41.20 valve features an external thread connection, designed for straightforward installation into compatible threaded piping or fittings within HVAC and automation systems.