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Equipped with a digital read-out, the handwheel ensures accurate and straightforward balancing.
For simple, accurate balancing.
For easy maintenance.
Heating (not steam) and cooling systems
BalancingPre-settingMeasuringShut-off (The restriction cone for valve sizes 2 1/2" - 16" is pressure released).
3/4" - 16"
Temperature / Max. pressure:-4 to 100 °F / 250 psi200 °F / 235 psi248 °F / 225 psi
Max. working temperature: 248°FMin. working temperature: -4°F
Water or neutral fluids, water-glycol mixtures (0-57%).
Body: Ductile iron, EN-GJS-400-15 (~ ASTM A536 Grade 60-40-18. ISO 1083 Grade 400-15).Size 3/4" - 6": Bonnet, cone and spindle of AMETAL®.Size 8" - 12": Bonnet and cone of ductile iron EN-GJS-400-15, and spindle of AMETAL®. Size 14" - 16": Bonnet of ductile iron EN-GJS-400-15, cone of silicon brass CuZn16Si4-C (EN 1982) and gunmetal CuSn5Zn5Pb5 (EN 1982), and spindle of AMETAL®. Seals: EPDM.Slip washer: PTFE.Bonnet bolts: Surface treated steel.Measuring points: AMETAL® and EPDM.Handwheel: Size 3/4"-2" polyamide and TPE, size 2 1/2"-6" polyamide, size 8"-16" aluminium.
AMETAL® is the dezincification resistant alloy of IMI Hydronic Engineering.
Size 3/4" - 8": Epoxy painting.Size 10" - 16": Duasolid painting.
Size 3/4" - 2": TA, PN, DN (mm), 400-15 (material) and flow direction arrow.Size 2 1/2" - 16": TA, Class 150, size (inch), 60-40-18 (material), casting date and flow direction arrow.CE-marking:CE: STAF-SG (Class 150) size 2" - 5".CE 0409*: STAF-SG (Class 150) size 6" - 12".*) Notified body.
Size 3/4" - 2": ISO 7005-2 and EN 1092-2. Bolt circle according to Class 150 ASME/ANSI B16.42.Size 2 1/2" - 16": Class 150 ASME/ANSI B16.42 (~ PN 20 according to ISO 7005-2).
According to ISO 5752 series 1 and EN 558-1 series 1.
STAF-SG – ANSI flanges
A flanged, ductile iron balancing valve that delivers accurate hydronic performance in an impressive range of applications. The STAF-SG is ideal for use mainly on the secondary side in heating and cooling systems.
Measuring points on body
→ = Flow direction
Cvs = gpm at a pressure drop of 1 psi and fully open valve.
*) NOTE: Not CE marked products. Not allowed to be installed in EU or EFTA countries.
**) Distributed by Victaulic.
(not for 52 179-000/-601)Can be installed without draining of the system.AMETAL®/Stainless steel/EPDM
For locking of setting.
For heating/coolingCFC-free polyurethane. Covered with grey PVC.See catalogue leaflet "Prefab insulations" for complete details.
IMI Hydronic Engineering Revit Plugin software allows users to export product models from MagiCAD database to Revit
Insulation caps for heating and cooling system
Balancing valve, size 1/2" - 2"