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Valve Small, Flat sealing, 3-way/bypass, PN16, DN15/20/25, VSxF-4

Valve Small, Flat sealing, 3-way/bypass, PN16, DN15/20/25, VSxF-4

For individual room control, fan coil units and small re-heaters/re-coolers; hot water or cold water (max. 50% glycol), water quality VDI2035.

Product Description

For individual room control, fan coil units and small re-heaters/re-coolers; hot water or cold water (max. 50% glycol), water quality VDI2035.

Technical Properties

Valve type 3-way mixing, bypass
Medium type water
Media temp. 2 ... 120 oC
Nominal pressure PN16
Action to open stem down
Materials body brass, stem stainless steel, plug brass
Port connection ext. thread flat sealing
Additional Descriptions Valves are supplied with adjustment cap.

Products

Product Type Flow char.
DN size
Kvs value
Close off pressure with 90N motor
Close off pressure with 180N motor
Stroke
Connection diameter
2,5 mm On/off; adjustment cap for full stroke travel

VSOF-415-1.0
on/off 15 mm 1 600 kPa 2.5 mm G1/2 inch

VSOF-415-1.6
on/off 15 mm 1.6 300 kPa 2.5 mm G1/2 inch

VSOF-415-2.5
on/off 15 mm 2.5 150 kPa 2.5 mm G1/2 inch

VSOF-420-2.5
on/off 20 mm 2.5 200 kPa 2.5 mm G3/4 inch

VSOF-420-4.0
on/off 20 mm 4 100 kPa 2.5 mm G3/4 inch

VSOF-425-4.0P
on/off 25 mm 4 200 kPa 2.5 mm G1 1/4 inch

VSOF-425-5.5P
on/off 25 mm 5.5 200 kPa 2.5 mm G1 1/4 inch
6,5 mm Modulating; adjustment cap opens A-B half stroke until 50% open; B-AB is linear and the Kvs is one stage smaller then A-AB

VSMF-415-0.25
mod.equal% 15 mm 0.25 600 kPa 600 kPa 6.5 mm G1/2 inch

VSMF-415-0.4
mod.equal% 15 mm 0.4 600 kPa 600 kPa 6.5 mm G1/2 inch

VSMF-415-0.63
mod.equal% 15 mm 0.63 600 kPa 600 kPa 6.5 mm G1/2 inch

VSMF-415-1.0
mod.equal% 15 mm 1 600 kPa 600 kPa 6.5 mm G1/2 inch

VSMF-415-1.6
mod.equal% 15 mm 1.6 300 kPa 300 kPa 6.5 mm G1/2 inch

VSMF-415-2.5
mod.equal% 15 mm 2.5 100 kPa 100 kPa 6.5 mm G1/2 inch

VSMF-420-2.5
mod.equal% 20 mm 2.5 150 kPa 150 kPa 6.5 mm G3/4 inch

VSMF-420-4.0
mod.equal% 20 mm 4 50 kPa 50 kPa 6.5 mm G3/4 inch

VSMF-425-6.3P
mod.equal% 25 mm 6.3 250 kPa 250 kPa 6.5 mm G1 1/4 inch

VSMF-425-8.0P
mod.equal% 25 mm 8 250 kPa 250 kPa 6.5 mm G1 1/4 inch

Accessories and replacement parts

Accessories

Image Description Product Type Downloads
Soldering fitting for DN15 valve, pipe size 12 mm AC-15FS  
Soldering fitting for DN20 valve, pipe size 15 mm AC-20FS  
External threaded fitting for DN15 valve, pipe size 3/8" AC-15FT  
External threaded fitting for DN20 valve, pipe size 1/2" AC-20FT  
Connection Set with threaded connection (consisting of 1 union nut, 1 tailpiece and 1 gasket)DN25, G11/4", R1" ACS-25T