STAG

07-06-2016

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.

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Balancing valve with grooved ends – Size 2 1/2″ – 12″

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.

 

Key features

 

Handwheel

Equipped with a digital read-out, the handwheel ensures accurate and straightforward balancing.

 

Self-sealing measuring points

For simple, accurate balancing.

 

Positive shut-off function

For easy maintenance.


Technical description

 

Applications:

Heating and cooling systems.

 

Functions:

Balancing
Pre-setting
Measuring
Shut-off (The balancing cone is pressure released).

 

Dimensions:

Size 2 1/2″ – 12″

 

Pressure class:

Class 150

 

Temperature:

Max. working temperature: 248°F
For higher temperatures (max. 302°F), please contact the nearest sales office.
Min. working temperature: -4°F

 

Material:

Body: Ductile iron EN-GJS-400-15 (~ ASTM A536 Grade 60-40-18. ISO 1083 Grade 400-15).
Size 2 1/2″ – 6″: Bonnet, restriction cone and spindle of AMETAL®.
Size 8″ – 12″: Bonnet of ductile iron, cone of Bronze and spindle of AMETAL®.
Seat seal: Cone with EPDM ring.
Bonnet bolts: Chromed steel.
Handwheel: Size 2 1/2″ – 6″ polyamide, size 8″ – 12″ aluminum.
AMETAL® is the dezincification resistant alloy of IMI Hydronic Engineering.

 

Surface treatment:

Size 2 1/2″ – 8″: Epoxy painting.
Size 10″ – 12″: Duasolid painting.

 

Marking:

Body: TA, Class 150, inch size, flow direction arrow, material and casting date (year, month, day).

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