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BALANCING VALVE zSTA

BALANCING VALVE zSTA
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BALANCING VALVE zSTA

Product catalog summary
Overview: The document outlines the technical specifications and features of the ZETKAMA FIG.447 Balancing Valve zSTA, which adheres to the pressure equipment directive 2014/68/UE and is CE marked for DN≥32.
Specifications:
  • Body Material: Grey cast iron
  • Nominal Pressure: ANSI CLASS 150
  • Nominal Diameter: DN 40-300
  • Max Temperature: 120°C
Features:
  • High tightness with leakproofness class A as per EN-12266-1
  • Compact design
  • Environmentally friendly
  • Tested according to EN-12266-1
  • Face-to-face dimension compliant with EN 558 series 1
Applications: Suitable for heating, refrigeration, and air conditioning industries, handling media such as glycol, industrial water, compressed air, and neutral fluids.
Materials and Dimensions:
  • Body material varies by diameter: EN-GJL-250 for DN 40-50, EN-GJS-500-7 for DN 200-300
  • Components include bonnet, disc, disc gasket, stem, O-ring, pressure tap, hand-wheel, and screws
  • Dimensions and weight vary by nominal diameter (DN)
Pressure-Temperature Ratings: As per EN 1092-2, the valve operates between -10°C to 120°C with a pressure rating of 16 bar.
Hydraulic Characteristics: Kv values are detailed for DN sizes (40, 50, 65, 80, 100, 125, 150, 200, 250), indicating flow rate (m3/h) at various turns and pressure drops (kPa). Data for DN 250 and DN 300 is also provided.
Flow Tolerance: Flow tolerance is shown for different presetting levels across various nominal diameters (DN 40-50, DN 65-150, DN 200-300), with graphs illustrating tolerance percentage based on presetting.
Measuring Instrument Specification: Describes an electronic measuring instrument compatible with Android 7.0+ and iOS, featuring a nominal pressure range of 1,000 or 2,000 kPa, maximum hypertension of 120%, and a linearity error of 0.15%. Supports Bluetooth Low Energy 5.0 and operates on AAA batteries.
Product Details: Highlights the T650 Balancing Measuring Device with specifications such as medium temperature range (-5 to 90°C), ambient temperature range (-5 to 50°C), and IP65 tightness class. Dimensions are 140x75x47mm, weighing 440g.
Ordering Information: Includes figure number (447), body material (grey cast iron EN-GJL-250), nominal diameter (40-300 mm), and nominal pressure (ANSI CLASS 150). An example order is: 447 A 050 P 72.
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Catalog excerpts

BALANCING VALVE zSTA-1

G ZETKAMA:X: BALANCING VALVE zSTA Body material FEATURES • high tightness (leakproofness class - A acc. EN -12266 - 1) • compact settlement • environment-friendly • tests acc. EN - 12266 - 1 • face-to-face dimension according to EN 558 series 1 Data given can be changed without notice. ZETKAMA Sp. z o.o. Ul. 3 Maja 12 PL 57-410 Scinawka Srednia

 Open the catalog to page 1
BALANCING VALVE zSTA-2

Data given can be changed without notice. ZETKAMA Sp. z o.o. Ul. 3 Maja 12 PL 57-410 Scinawka Srednia

 Open the catalog to page 2
BALANCING VALVE zSTA-3

Data given can be changed without notice. ZETKAMA Sp. z o.o. Ul. 3 Maja 12 PL 57-410 Scinawka Srednia

 Open the catalog to page 3
BALANCING VALVE zSTA-4

Data given can be changed without notice. ZETKAMA Sp. z o.o. Ul. 3 Maja 12 PL 57-410 Scinawka Srednia

 Open the catalog to page 4
BALANCING VALVE zSTA-5

Data given can be changed without notice. ZETKAMA Sp. z o.o. Ul. 3 Maja 12 PL 57-410 Scinawka Srednia

 Open the catalog to page 5
BALANCING VALVE zSTA-6

Data given can be changed without notice. ZETKAMA Sp. z o.o. Ul. 3 Maja 12 PL 57-410 Scinawka Srednia

 Open the catalog to page 6
BALANCING VALVE zSTA-7

Data given can be changed without notice. ZETKAMA Sp. z o.o. Ul. 3 Maja 12 PL 57-410 Scinawka Srednia

 Open the catalog to page 7
BALANCING VALVE zSTA-8

given can be changed without notice. ZETKAMA Sp. z o.o. Ul. 3 Maja 12 PL 57-410 Scinawka Srednia

 Open the catalog to page 8
BALANCING VALVE zSTA-9

given can be changed without notice. ZETKAMA Sp. z o.o. Ul. 3 Maja 12 PL 57-410 Scinawka Srednia

 Open the catalog to page 9
BALANCING VALVE zSTA-10

Data given can be changed without notice. ZETKAMA Sp. z o.o. Ul. 3 Maja 12 PL 57-410 Scinawka Srednia

 Open the catalog to page 10
BALANCING VALVE zSTA-11

Data given can be changed without notice. ZETKAMA Sp. z o.o. Ul. 3 Maja 12 PL 57-410 Scinawka Srednia

 Open the catalog to page 11
BALANCING VALVE zSTA-12

Data given can be changed without notice. ZETKAMA Sp. z o.o. Ul. 3 Maja 12 PL 57-410 Scinawka Srednia

 Open the catalog to page 12
BALANCING VALVE zSTA-13

Data given can be changed without notice. ZETKAMA Sp. z o.o. Ul. 3 Maja 12 PL 57-410 Scinawka Srednia

 Open the catalog to page 13
BALANCING VALVE zSTA-14

G ZETKAMAFLOW TOLERANCE DEPENDING OF THE PRESETTING FOR DN 40-50 12345 Presetting Data given can be changed without notice. Edition 01/2018 ZETKAMA Sp. z o.o. Ul. 3 Maja 12 PL 57-410 Scinawka Srednia

 Open the catalog to page 14
BALANCING VALVE zSTA-15

Data given can be changed without notice. ZETKAMA Sp. z o.o. Ul. 3 Maja 12 PL 57-410 Scinawka Srednia

 Open the catalog to page 15
BALANCING VALVE zSTA-16

G ZETKAMA T650 BALANCING MEASURING DEVICE An electronic measuring instrument can be used for measurements. In order to read data from the device, a mobile device with the Android 7.0 operating system and newer or with the iOS operating system is necessary. The applications have built-in ZETKAMA balancing valve characteristics and the ability to record data. The instrument provides pressure drop measurement and allows direct measurement of the flow rate. A detailed description of the device can be found in the device user's manual. Measuring instrument specification Nominal pressure range Data...

 Open the catalog to page 16
BALANCING VALVE zSTA-17

Order example acc. index Balancing valves , grooved ends, form Y-type Grey cast iron EN-GJL-250 Nominal diameter (mm) ANSI CLASS 150 Composite disc; stem - brass; with pressure taps optional plugs Data given can be changed without notice. ZETKAMA Sp. z o.o. Ul. 3 Maja 12 PL 57-410 Scinawka Srednia

 Open the catalog to page 17

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.