siemens

Siemens offers a full line of valves and actuators designed for precise regulation and control of water, steam and other media. With Siemens, achieve reliable equipment control and energy savings at every stage: generation, distribution and consumption. Valve selection can make the difference in boiler and chiller efficiency; in maintaining flow regardless of pressure fluctuation and in achieving the right comfort level throughout the building. Discover the difference with Siemens in maximizing comfort to make your perfect place a reality.

In Riyadh, KSA

Majd Kanaan
T:+966-11-476-2755
M:+966 55 880 6901
majd.kanaan@energyintl.com

In Jeddah, KSA

Fadi Fakih
T:+966-12-662-9368
M:+966-53-428-6827
fadi.fakih@energyintl.com

In Dammam, KSA & Bahrain

Marwan Mroueh
T:+966-13-834-7837‬
M:+966-53-030-8349
marwan.mroueh@energyintl.com

Siemens Valves and Actuators

Ball Valves

ball-valves

Designed with an internal ball that has flow paths through it and rotates 90 degrees between PTFE seals to open and close to control flow. Most ball valves have a flow characterization disk which provides an equal percentage flow characteristic.

2-Way and 3-Way Ball Valves
– Variety of ball sizes and flow coefficients (Cv)
– Close-off leakage of 3-way bypass much lower at less than 0.1% compared to competitors
– Double O-ring blow-out proof stem ensures long life and consistent performance
6-Way Ball Valves
– Reduces complexity in installation, commissioning and cabling, thus lowering costs.
– Minimizes data points and costs since only a single actuator is required
– 0% leakage prevents hot and chilled water from mixing
– Built-in pressure compensation function prevents over-pressurization of coil as media temperature increases

Butterfly Valves

butterfly-valves

Butterfly valves are the workhorse in a hydronic system needed to isolate flow with bubble-tight shutoff. Available in 2- to 24-inch sizes (60 – 610 mm) with Cv ranging from 144 to 33,154. Siemens butterfly valves control hot and chilled water with up to 50% glycol over a temperature range of -40° F to 250° F. Used with A-Series industrial actuators and OpenAir™ damper actuators.

– 2″ – 24″ sizes (50 – 610 mm) – Full cut / Under cut discs – 2-Way / 3-Way assemblies
– ASTM A126 Class A cast iron body – 316 Stainless steel disc (2″ – 12″)
– Electronless nickel plated ductile iron disc (14″ – 24″)
– 416 Stainless steel stem – Heavy duty acetal stem bearing
– High purity, peroxide cured, high temperature EPDM seat
– -40° F to continuous 250° F (-40 to 121° C) temperature range
– Nitrile butadine rubber packing – Fit ANSI 125 flange
– Molded-in resilient seat provides bubble-tight shutoff up to 175 Psi
– On/off, floating and modulating control signals
– Fail-in-place industrial actuators – Fail-safe operation with OpenAir actuators

Powermite Globe Valves

globe-valves

Range from ½- to 1-inch sizes with Cv from 0.4 to 10. These valves can be used to control hot and chilled water with up to 50% glycol and low-pressure steam <15 psi over a temperature range of 35°F to 250°F.
– 2-way normally open and normally closed – 3-way mixing
– Brass or stainless steel trim
– Available with a variety of NPT threaded end connection options
– ANSI Class IV leakage – less than 0.01% of Cv at rated close-off pressure
– Modified equal percentage flow characteristic
– Pneumatic and electro-motoric fail-safe actuators return valves to a fail-safe position in the event of power loss
– Choice of control signals: modulating 0-10Vdc/4-20mA or 24Vac floating 3-position actuators

Flowrite Globe Valves

globe-valves
Range from ½- to 6-inch sizes with Cv from 1 to 400. These valves control hot and chilled water with up to 50% water-glycol and saturated steam up to 100 psi and over a temperature range of 35°F to 337°F.
– 2-way normally open and normally closed – 3-way mixing
– ANSI 250 pressure class threaded valves; ANSI 125 and 250 pressure class flanged valves
– Equal percentage or linear flow characteristic
– Bronze or stainless steel trim
– High pressure close-off flanged 2-way valves have 200 psi close-off is highest in the industry
– ANSI Class IV leakage 0.01% of Cv at rated close-off pressures for all valves
– High temperature packing for high pressure steam ≤100 psi and media temperature up to 337° F

656/658 Globe Valves

globe-valves
These 2-way and 3-way valves range from ½- to 1¼-inch sizes with Cv from 0.9 to 16. Used to control hot or chilled water with up to 50% glycol and low-pressure steam <15 psi with a maximum temperature of 250°F.
– 2-way, 3-way mixing, changeover and sequence valves with ½-inch SAE flare connections
– 2-way normally open angle female by union male valves in ½- to 1¼-inch
– ANSI 250 pressure class
– Modified equal percentage flow characteristic
– Available with a variety of pneumatic actuator spring ranges

Magnetic Valves – Water and Steam

magnetic-valves

2-way and 3-way mixing valves range from ½- to 4-inch with Cv from 0.6 to 58. They have modulating control for hot or chilled water, and steam with media temperature ranging from 34 ̊ F to 356 ̊ F.
– 2-way or 3-way mixing
– 232 psi pressure rating
– Extremely fast positioning time <2 seconds
– Very precise control 1000:1 resolution
– User selectable linear or equal-percentage flow characteristic
– DIP Switch selectable input signal 0 to 10V or 4 to 20mA
– Fail-safe

Magnetic Valves – Refrigeration

magnetic-valves

Siemens magnetic actuated refrigeration 2-way and 3-way (mixing and diverting) valves are designed for modulating control of refrigeration circuits using most commonly used safety refrigerants as well as R744 (CO2) and ammonia (MVS661 only) with a temperature range of -40° F to 250° F. Available in sizes from ½- to 1¼-inch with Cv from 0.12 to 14.
– 2-way and 3-way diverting
– >1000:1 stroke resolution for precise control
– Fast positioning time (<1 second)
– Linear valve characteristic
– 232 psi and 363 psi pressure class
– Solder pipe connections
– 24Vac/dc operating voltage
– 100% duty cycle
– DIP switch selectable modulating control signals (0/2-10V, 0/4-20mA)

Pressure Independent Control Valves

PICV

Pressure independent control valves (PICVs) improve system performance and optimize delta-T resulting in less pumping energy and contributing to more efficient loading of boilers and chillers. Consists of two-way threaded valves ranging from ½- to 2-inches with maximum flow settings from 0.3 to 50 gpm and flanged valves with line sizes from 2½- to 6 inches with maximum flow settings from 19 to 860 gpm. The differential pressure operating range as low as 2.3 psi to as high as 90 psi. These valves control hot and chilled water with up to 50% glycol over a temperature range of 35° F to 250° F.

– ANSI 250 pressure class threaded valves; ANSI 125 and 250 pressure class flanged valves
– Up to 200 psi close-off with ANSI Class IV (≤0.01%) leakage
– Linear flow characteristic
– Field adjustable maximum flow presetting
– P/T ports kit (optional accessory kit for ½- to 1¼-inch valves; standard on 1½ to 6-inch valves)
– Full range of actuators available

Zone Valves

zone-valves

Siemens zone valves have a stroke valve design for on/off or basic modulating control to ensure HVAC hydronic systems deliver reliable comfort. Feature direct-coupled technology for quick connection of the valve body and actuator without tools.

– 2-way normally open and normally closed combinations
– 3-way diverting
– Sweat or NPT end connections
– 232 psi pressure rating
– High close-off up to 87psi with ANSI Class III leakage (0.1%)
– SFA/P Series or STA/P Series on/off fail-safe actuators
– SSA/P Series floating or modulating fail-in-place actuators

Acvatix Hydronics

Acvatix™ is a versatile range of valves and actuators designed for ease of use, superior control accuracy, and energy efficiency. The Acvatix product range can help you to fulfill nearly any control and hydronic requirements associated with the generation, distribution and use of heating and cooling.

Intelligent Valves

acvatix-intelligent-valves

Intelligent Valves are self-optimizing dynamic valves with cloud connection used in heating groups and air handling units. They balance and control flow, measure energy, and provide data for energy monitoring and system optimization.

Intelligent Valves offer benefits:
– Facilitate work
– Save time
– Ensure comfort in buildings
– Increase energy efficiency

PICVs

acvatix-PICV

PICVs (pressure-independent combi valves) prevent oversupply and reciprocal hydronic interference, reducing energy consumption and operational costs. Additionally, PICV enabled precise temperature control improves the comfort and wellbeing of building users. Siemens recommends PICVs especially for radiators, chilled ceilings, VAV and fan coil units.

Acvatix product benefits:
– Simple planning and implementation of energy-efficient HVAC systems
– Flexible planning thanks to continuous volumetric flow ranges and large differential pressure ranges
– Simplified dimensioning, presetting, hydronic balancing, and commissioning
– Easier system extension with independent pressure control

Globe Valves

acvatxi-globe-valves

Globe valves are used for flow shutoff, flow regulation or fluids mixing in the majority of HVAC applications. Siemens recommends globe valves especially for floor heating, zone control, heating groups, district heating and boiler plant applications.

Acvatix globe valves provide you with:
– Reliability rates and long service life, even in extreme temperature and high pressure environments
– Fast installation
– Visible operating and position displays for easy troubleshooting during servicing
– Simplified system modernization with backwards compatibility
– Siemens HVAC Lab product quality certification

Control Ball Valves

 acvatix-control-ball-valves

Designed for efficiency, with precise control and leak-free operations, control ball valves are used for continuous and precise control in closed circuits. Siemens recommends control ball valves especially for air handling units and the 6-port control ball valves for heated and chilled ceilings.

Acvatix benefits:
– Simple handling for quick, error-free installation
– Highly efficient, with low torque and friction, and fine kvs graduation
– Broad range of actuators and customer-specific adaptations
– Flexible connection with internal and external thread screw fittings for the 6-port control ball valves

Magnetic Valves

 acvatix-magnetic-valves

Magnetic valves are valves with a pre-installed magnetic actuator. They are used for the shutoff and mixing of fluids (water, water with antifreeze, heat transfer fluid etc.) and steam in nearly all HVAC applications. Magnetic valves are also ideal for applications with even the most stringent requirements, including industry-related areas such as engine test benches. Siemens recommends magnetic valves especially for domestic hot water and chiller plants.

Your benefits with Acvatix:
– Energy efficiency
– Rapid, magnetic valve control in under two seconds
– Precise drop-by-drop control, for high efficiency and stable control conditions

Rotary Valves – Ball Valves

 acvatix-rotary-valves

Ball valves are primarily used in energy generation and distribution. Typical applications are if an additional boiler needs to be connected, or for the switching over of storage tank charging. Siemens recommends rotary valves especially for cooling towers.

Acvatix benefits:
– Fast and simple valve-actuator coupling
– Large dimensions for the highest volumetric flows
– Visibility of operating status and position displays for easy service troubleshooting

Rotary Valves – Slipper Valves

 ball-valves

Slipper valves are primarily used in energy generation and distribution. Typical applications are if an additional boiler needs to be connected, or for the switching over of storage tank charging. Siemens recommends rotary valves especially for cooling towers.

Acvatix benefits:
– Fast and simple valve-actuator coupling
– Large dimensions for the highest volumetric flows
– Visibility of operating status and position displays for easy service troubleshooting

Rotary Vales – Butterfly Valves

 butterfly-valves

Butterfly valves are primarily used in energy generation and distribution. Typical applications are if an additional boiler needs to be connected, or for the switching over of storage tank charging. Siemens recommends rotary valves especially for cooling towers.

Acvatix benefits:
– Fast and simple valve-actuator coupling
– Large dimensions for the highest volumetric flows
– Visibility of operating status and position displays for easy service troubleshooting

Refrigerant Valves

 refrigerant-valves

The Acvatix range offers hermetically sealed mixing, diverting, and 2-port valves for refrigeration plants. They also include refrigerant valves for expansion, hot gas and suction throttle applications. All Acvatix refrigerant valves save energy in the refrigeration plant, for example through their accurate superheat control also in part load situations.

Your benefits with Acvatix:
– Hermetically sealed refrigerant valves – also in IP 65 design
– Energy savings with accurate superheat control, fine stroke resolution and <1 second positioning time
– Vibration-free operation
– Safety feature for power failure
– Control of dynamic processes
– Easy to install and service
– High degree of environmental compatibility

Actuators

Actuators for Globe Valves and PCIV

 actuator

Acvatix axctuators for globe valves and PICVs consist of a comprehensive range of electrohydraulic, electromotoric, thermostatic and thermal actuators that can perform in a broad range of applications. For every type of actuator the suitable Acvatix valves are available.

Actuators for Rotary Valves

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The Acvatix range offers actuators for butterfly, mixing and slipper valves as well as damper actuators for ball valves. They cover a wide application area, and for every type of actuator the suitable Acvatix valves are available.