TA STAF Series User Manual

1
STAF, STAF-SG, STAF-R 5-5-15
Balancing valves
Mengenabgleichventile
Vannes de réglage et d'équilibrage 1994.03
Caractéristiques techniques
Applications: Installations de chauffage et
de refroidissement (eau glycolée, saumure).
Les STAF-R conviennent également pour
l’eau sanitaire chaude/froide) et l’eau de
mer.
Fonctions: Réglage, isolement, mesure de
pression différentielle et de débit.
Les vannes DN 65-150 sont équipées d'un
cône de réglage équilibré.
Pression de service maxi:
STAF STAF-SG STAF-R
16 bar 25 bar 16 bar
Pression nominale:
STAF STAF-SG STAF-R
PN16 PN25 PN16
Température de service maxi:
STAF STAF-SG* STAF-R
120°C 120°C* 120°C
*) est disponible également pour 180°C
Température de service mini:
STAF STAF-SG STAF-R
-10°C -20°C -10°C
Matériaux:
STAF Corps: Fonte NF A 32-101 Ft 25 D
STAF-SG Corps: Fonte nodulaire
NF A32-201 FGS 500-7
STAF-R Corps: Bronze CuSn5Pb5Zn5
Toutes les vannes jusqu'au DN150 ont la
tête, la tige et le cône de réglage en
AMETAL
®
. La tête et le support du clapet
des vannes de DN 200 à 300 sont en fonte
NF A 32-101 Ft 25 D. Etanchéité du
siège: cône avec bague EPDM.
Boulons supérieurs: acier chromé.Poignée:
les vannes DN 20 à 150 sont pourvues
d’une poignée numérique rouge en
polyamide. Les vannes DN 200 à 300 sont
équipées d’un volant rouge en aluminium.
Traitement de surface:
STAF et STAF-SG: Laque Epoxy.
DN 200-300 - Laque marine.
Brides: Les brides sont conformes aux
normes ISO 7005-2:
STAF-SG PN16/25 DN 20-50
PN25 DN 65-150
STAF PN16 DN 65-300
ISO 7005-3:
STAF-R PN16 DN 65-150
Ecartement entre brides:
ISO 5752 série 1, NF E 29-305 série 1.
Technical description
Applications:
Heating and cooling circulation systems
(ethylene glycol and brine). STAF-R is also
used for hot/cold mains water and sea
water.
Functions: Balancing - shut-off and
measuring of pressure drop and flow.
The balancing cone for valve DN 65-150 is
pressure released.
Max. working pressure:
STAF STAF-SG STAF-R
16 bar 25 bar 16 bar
Nominal pressure:
STAF STAF-SG STAF-R
PN16 PN25 PN16
Max. working temperature:
STAF STAF-SG STAF-R
120°C 120°C 120°C
STAF-SG is available for 180°C
Min. working temperature:
STAF STAF-SG STAF-R
-10°C -20°C -10°C
Material:
STAF Body: Cast iron BS 1452
Grade 260.
STAF-SG Body: Ductile iron
BS 2789 SNG 500/7
STAF-R Body: Bronze CuSn5Pb5Zn5
In addition all valves have bonnet,
restriction cone and spindle of AMETAL
®
.
STAF DN 200-300 has bonnet and cone
holder made of cast iron BS 1452, Grade
260. Seat seal: Cone with EPDM ring.
Bonnet bolts: Chromed steel. Handwheel:
DN 20-150 are fitted with a red handwheel
made of Polyamide plastic (digital). DN 200-
300 are fitted with a red aluminium
handwheel.
Surface finish:
STAF and STAF-SG: Epoxyresin.
DN 200-300 - Wet-type paint.
Flanges: Flanges comply with ISO 7005-2,
BS 4504:
STAF-SG PN16/25 DN 20-50
PN25 DN 65-150
STAF PN16 DN 65-300
ISO 7005-3:
STAF-R PN16 DN 65-150
Face to face dimensions:
ISO 5752 series 1, BS 2080
Technische Beschreibung
Anwendungsbereich:
Heiz- und Kühlsysteme (Glykol, Brine).
STAF-R auch für Brauchwasser (warm/kalt)
und Salzwasser.
Funktionen: Regulieren, Absperren,
Differenzdruck und Durchflußmessung.
Regulierkegel für DN65-150: druckentlastet.
Max. Betriebsdruck:
STAF STAF-SG STAF-R
16 bar 25 bar 16 bar
Nenndruck:
STAF STAF-SG STAF-R
PN16 PN25 PN16
Max. Betriebstemperatur:
STAF STAF-SG STAF-R
120°C 120°C 120°C
STAF-SG ist auch für 180°C erhältlich
Min. Betriebstemperatur:
STAF STAF-SG STAF-R
-10°C -20°C -10°C
Material:
STAF Gehäuse: Grauguß
DIN 1691 GG 25
STAF-SG Gehäuse: Sphäroguß
DIN 1693 GGG 50.
STAF-R Gehäuse: Rotguß CuSn5Pb5Zn5
Oberteil, Drosselkegel und Spindel:
AMETAL
®
. (STAF DN 200-300: Oberteil
und Kegelhalterung aus Gußeisen
DIN 1691 (GG25).
Kegeldichtung: EPDM-Ring.
Oberteilschrauben: Stahl verchromt.
Handrad: STAF/STAF-SG DN 20-150
Polyamid, Stellungsanzeige: Digital.
DN 200-300: Aluminium, Stellungsanzeige:
Noniusskala.
Oberflächenbehandlung:
STAF und STAF-SG: Epoxidlack.
DN 200-300 - Lackfarbe.
Flanschausführung: ISO 7005-2:
STAF-SG PN16/25 DN 20-50
PN25 DN 65-150
STAF PN16 DN 65-300
ISO 7005-3:
STAF-R PN16 DN 65-150
Baulänge: ISO 5752 Serie 1,
DIN 3202 T1 F1.
MEMBER OF THE INCENTIVE GROUP
INCENTIVE GROUP

TA STAF Series Specifications

General

Brand	TA
Model	STAF Series
Category	Control Unit
Language	English

Summary

STAF, STAF-SG, STAF-R Balancing Valves

Applications

Describes the intended use of STAF valves in heating and cooling systems.

Technical Description and Specifications

Details functions, technical specifications, and performance characteristics of the STAF series.

Materials and Finishes

Lists materials, surface finish, and flange compliance for the valve components.

Presetting Valve Settings

Sealing and Locking

Mentions that DN 20-50 can be locked similarly to STAD.

Performance and Correction Methods

Measuring Accuracy and Flow Deviation

Explains calibrated settings and illustrates flow deviation at different valve settings.

Correction Factors and Formulae

Details methods for correcting flow readings and mentions calculation software.

Balancing Valve Sizing

Sizing Formulas and Flow Guides

Provides formulas and tables to calculate Kv-values and determine flow rates.

Conversion Disc for Sizing

Describes a conversion disc for finding relationships between flow, pressure, and settings.

Kv Values and Presetting

Kv Value Table

Lists Kv values for various presettings across different valve sizes.

Presetting Example

Demonstrates how to use diagrams and tables to set the valve for a specific flow rate.

Flow Regulation and Adjustment

Regulation of Water Flow

Explains how balancing valves simplify setting the desired flow rate accurately.

Preparations for Pressure Measurement

Outlines steps for preparing to measure pressure differential using the CBI meter.

Working Procedure for Adjustment

Provides a summary of the valve adjustment and balancing procedure.

Accessories and Identification

Prefabricated Insulation

Details prefab insulation for STAF/STAF-SG valves.

Measurement Points and Probes

Describes measurement points and probes for various valve models and temperatures.

Handwheels and Rating Plates

Lists handwheel part numbers and describes the valve's identification plate.