Balancing valve – PN 25 (DN 65-300) – Ductile iron
A grooved end, ductile iron balancing valve that delivers accurate hydronic performance in an impressive range of applications. STAG is ideal for use mainly on the secondary side in heating and cooling systems.
Technical description
Applications:
Heating and cooling systems.
Functions:
Balancing
Pre-setting
Measuring
Shut-off (The balancing cone is pressure released).
Dimensions:
DN 65-300
Pressure class:
PN 25
Temperature:
Max. working temperature: 120°C
For higher temperatures (max. 150°C), please contact the nearest sales office.
Min. working temperature: -20°C
Material:
Body: Ductile iron EN-GJS-400-15.
DN 65-150: Bonnet, restriction cone and spindle of AMETAL®.
DN 200-300: Bonnet of ductile iron, cone of Bronze and spindle of AMETAL®.
Seat seal: Cone with EPDM ring.
Bonnet bolts: Chromed steel.
Handwheel: DN 65-150 polyamide, DN 200-300 aluminium.
AMETAL® is the dezincification resistant alloy of TA.
Surface treatment:
DN 65-200: Epoxy painting.
DN 250-300: Duasolid painting.
Marking:
Body: TA, Class 150, inch size, flow direction arrow, material and casting date (year, month, day).
CE-marking according to table:
Marking | STAG |
CE | DN 65-125 |
CE 0409* | DN 150-300 |
*) Notified body.
Face to face length:
ISO 5752 series 1, BS 2080 and EN 558-1 series 1.