• Siemens - Butterfly Valve VFL41 Series

Siemens

Siemens - Butterfly Valve VFF41 Series

SKU VVF41.40
$177.00

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$177.00
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Siemens - Butterfly Valve VFL41 Series

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Butterfly Valves PN 16 VFF41

Description: The Butterfly Valves PN 16 VFF41 are designed to regulate fluid flow in heating, ventilation, and air conditioning (HVAC) systems, offering reliable shut-off functionality. These valves, featuring a concentric, double-flanged design, ensure tight-closing performance and require no maintenance, providing long-term operational efficiency. They can be equipped with SQL321B.., SQL361B.., and SQL351… electromotoric actuators for automated control applications.

Key Specifications:

  • Valve Body: Constructed from nodular cast iron, offering durability and corrosion resistance.
  • Size Range: Available in sizes DN 40 to DN 900, catering to a wide range of system requirements.
  • Flow Capacity (kvs): Provides a flow capacity ranging from 55 to 74,020 m³/h, ensuring efficient fluid control.
  • Flange Connection: Designed for fitting with PN 16 counter-flanges to ISO 7005, ensuring secure and leak-proof connections.
  • Leakage Rate: Tight-closing performance in accordance with ISO 5208, leakage rate A, ensuring minimal fluid leakage.
  • Actuator Compatibility: Compatible with SQL321B.., SQL361B.., and SQL351… electromotoric actuators for automated control.

Key Features:

  • Maintenance-Free Operation: Requires no maintenance, reducing downtime and operational costs.
  • Versatile Application: Suitable for use in open and closed circuits, chiller and cooling tower sequencing circuits, and for controlling flow to heat exchangers.
  • Control Options: Can be configured for 2-position (SPDT), DC 0…10 V control signals, and 4…20 mA control signals, offering flexibility in control strategies.
  • Robust Construction: Body made of nodular cast iron, stem of stainless steel, valve disc of CF8 (304), and seat of EPDM-HT, ensuring durability and reliability.
  • Environmental Compliance: Conforms to ISO 14001 (Environment), ISO 9001 (Quality), and Directive 2011/65/EU (RoHS) standards, ensuring environmental sustainability.

Functional Data:

  • PN Class: PN16 to EN1333
  • Permissible Operating Pressure: 1600 kPa (16 bar)
  • Medium Temperature: -10…120 °C
  • Flow Velocity: Water: 4.5 m/s; Gas: 60m/s

The Butterfly Valves PN 16 VFF41 offer a dependable solution for fluid regulation in HVAC systems, combining robust construction, versatile functionality, and ease of maintenance to meet diverse application requirements.

Part Numbers:
VFF41.40 Butterfly Valve Double Flanged PN16 DN40 Kvs 55 (S55235-V137)
VFF41.50 Butterfly Valve Double Flanged PN16 DN50 Kvs 70 (S55235-V120)
VFF41.65 Butterfly Valve Double Flanged PN16 DN65 Kvs 155 (S55235-V121)
VFF41.80 Butterfly Valve Double Flanged PN16 DN80 Kvs 250 (S55235-V122)
VFF41.100 Butterfly Valve Double Flanged PN16 DN100 Kvs 510 (S55235-V123)
VFF41.125 Butterfly Valve Double Flanged PN16 DN125 Kvs 820 (S55235-V124)
VFF41.150 Butterfly Valve Double Flanged PN16 DN150 Kvs 1350 (S55235-V125)
VFF41.200 Butterfly Valve Double Flanged PN16 DN200 Kvs 3100 (S55235-V126)
VFF41.250 Butterfly Valve Double Flanged PN16 DN250 Kvs 4550 (S55235-V127)
VFF41.300 Butterfly Valve Double Flanged PN16 DN300 Kvs 7500 (S55235-V128)
VFF41.350 Butterfly Valve Double Flanged PN16 DN350 Kvs 10250 (S55235-V129)
VFF41.400 Butterfly Valve Double Flanged PN16 DN400 Kvs 14100 (S55235-V130)
VFF41.450 Butterfly Valve Double Flanged PN16 DN450 Kvs 18500 (S55235-V131)
VFF41.500 Butterfly Valve Double Flanged PN16 DN500 Kvs 24000 (S55235-V132)
VFF41.600 Butterfly Valve Double Flanged PN16 DN600 Kvs 37000 (S55235-V133)
VFF41.700 Butterfly Valve Double Flanged PN16 DN700 Kvs 42420 (S55235-V134)
VFF41.800 Butterfly Valve Double Flanged PN16 DN800 Kvs 58490 (S55235-V135)
VFF41.900 Butterfly Valve Double Flanged PN16 DN900 Kvs 74020 (S55235-V136)

Frequently Bought Together

Total price $366.00