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Building services valves
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Building services valves. Find the best solution for your project here.
Building services valves - helping you find the best solution for your project.

Wavin HepVO Osma self sealing waste valve
HepvO® self-sealing waste valve prevents the escape of foul sewer air from waste discharge systems, and maintains pressure equilibrium in soil and waste installations. Uses a purpose designed silicone rubber membrane membrane to create an airtight seal between the living space and the drainage system. Self-sealing valve opens under the water
TA 400 ball valves
The TA 400 is a flexible and easy-to-install ball valve for heating, cooling and tap water systems. Pressure die casted AMETAL® cuts risk of leakage and ensures a long product lifetime
DA 516 differential pressure controller
This compact differential pressure controller for heating and cooling systems is particularly effective in situations requiring high temperatures and/or pressure drop. DA 516 can be used both on the primary and secondary side in district heating and comfort cooling systems. Rust protection is assured thanks to the electrophoretic painted ductile
TBV-C terminal balancing valve
The TBV-C terminal balancing valve for on/off control is designed for use in terminal units in heating and cooling systems. The valve is made from AMETAL®, a dezincification-resistant alloy that minimises the risk of leakage. The valve has a shut-off function to ensure straightforward maintenance, and self-sealing measuring points for quick and
E2V electronic expansion valve
E2V is an electronic expansion valve with proportional modulation. It allows efficient control of refrigeration and air-conditioning units, and provides consistent energy saving. Its 15mm nozzle enables modulation of the refrigerant flow in a wide operating range and at various differential pressures. This can provide significant energy savings
Pneumatex Zeparo ZU automatic air vents and separator
Automatic air vents and separators (micro bubble, dirt, combined) Comprehensive range of products for venting and separation of micro bubbles, sludge and magnetite in heating, solar and cooling water systems. The diversity of the applications as well as their modular construction is unique. The helistill separator makes these products incredibly- PRODUCT
IMI Climate Control
STAP differential pressure controller
The compact STAP self-acting differential pressure controller is suitable for use in heating and cooling systems. The valve is made from AMETAL®, a dezincification-resistant alloy that reduces the risk of leakage. It keeps the differential pressure over the load constant which delivers accurate and stable control. This ensures minimal noise from
TBV-CM terminal balancing valve
The TBV-CM terminal balancing valve for modulating control is designed for use in terminal units in heating and cooling systems. The valve is made from AMETAL®, a dezincification-resistant alloy that minimises the risk of leakage. The valve has a shut-off function to ensure straightforward maintenance, and self-sealing measuring points for quick
TA-THERM thermostatic circulation valve for DHW systems
The TA-THERM thermostatic valve is used for automatic balancing in domestic hot water circulating systems, which are used in most large buildings to reduce the delay time for water to run hot at the tap. The TA-THERM valve is fitted in place of a conventional balancing valve and is made from AMETAL®, a dezincification-resistant alloy that
KTH 512 pressure independent balancing and control valve
Pressure independent balancing and control valve – DN 15-125. High-performing and compact, these pressure-independent control valves for variable flow heating and cooling systems are particularly effective in situations requiring high temperatures and/or pressure drops. They are also suitable for use on the secondary side in district heating and
PM 512 pressure relief valve
The PM 512 pressure relief valve is suitable for variable flow heating and cooling systems. It is particularly effective in situations that require high pressure drops, as it ensures minimal noise. Constructed from ductile iron, the valve is electrophoretically painted with duasolid to protect against rust. It also has a soft NBR diaphragm to
TA 500 ball valves
The TA 500 shut-off ball valve is suitable for heating, cooling and tap water systems. The valve is made from AMETAL®, a dezincification-resistant alloy that reduces the risk of leakage. The alloy is nickel plated and the handle is made from epoxy-painted die-cast aluminium. The valve has a teflon-coated ball for optimum maneuverability. A double
STAF flanged cast iron balancing valve
Balancing valve – PN 16 and PN 25 – DN 20-400 A flanged, cast iron (STAF) and ductile iron (STAF-SG) balancing valve that delivers accurate hydronic performance in an impressive range of applications. The STAF/STAF-SG is ideal for use mainly on the secondary side in heating and cooling systems
STAG ductile iron balancing valve
Balancing valve with grooved ends – DN 65-300 A grooved end, ductile iron balancing valve that delivers accurate hydronic performance in an impressive range of applications. STAG is ideal for use mainly on the secondary side in heating and cooling systems
The 900XSS venturi flanged commissioning valve forms part of the company range of commercial valves for the HVAC market: sizes: DN65-DN300; regulation, isolation and flow measurement functions; flanged connection; dynamic valve with flow verification. Uses the highly accurate venturi principle and actuators; extended versions are available- PRODUCT
- Aalberts Integrated Piping Systems Limited
ACO Quatrix® plain anti-flood backflow valve
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The ACO Quatrix® is an in-line, Type 3 automated anti-flooding device designed for domestic grey water or black (faecal wastewater) water connections. It conforms to the requirements of BS EN 13564. The ACO Quatrix® is designed for installation in site-built access chambers or wall-mounted applications. It can be connected to 110mm or 160mm- PRODUCT
- ACO Building Drainage Ltd
DZR Ball Valve Extended Stem
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Available in sizes from DN15 to DN50 (larger sizes available on request), Herz supplies high-quality ball valves with extended spindles for isolating functions. The valves are suitable for use with all non-aggressive media such as water, oil, air, steam, fuel oil and lubricating oil. They are manufactured from a dezincification-resistant (DZR- PRODUCT
- Herz Valves UK
Fully lugged butterfly commissioning set
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High-quality loose liner butterfly valves are designed in accordance with EN 593 and feature extended necks for insulation. The valves are fully lugged and gearbox operated. Suitable for water and air systems in heating, cooling, air conditioning and ventilation, as well as fire fighting and agricultural applications, the valves are in accordance- PRODUCT
- Herz Valves UK
Double regulating valves
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Double regulating valves are suitable for hydraulic balancing in heating and cooling systems, and the adjustment of distribution mains, circuits, heat exchangers, and heating and cooling registers. The sockets for the circuit control valves are suitable for connecting either threaded pipes or calibrated soft steel or copper pipes, the latter two- PRODUCT
- Herz Valves UK
Differential pressure overflow valve
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The Herz differential pressure overflow valve is available in straight and angled models. It is used for hot water heating systems, between flow and return stages, to prevent high differential pressure. The valve is PN10 pressure rated Features include: Brass body. Setting by means of a handwheel; the set value can be read directly on the scale- PRODUCT
- Herz Valves UK
Brass drain cock
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The brass drain cock is PN10 pressure rated and suitable for boiler filling and draining applications. It can be used for installations with cold or hot water. The filling cocks, draining cocks and hose connections are supplied in brass. The design of the O-Ring and cup spring prevent any water leakages. The drain cock moves smoothly and precisely- PRODUCT
- Herz Valves UK
Nickel plated service ball valves
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Herz nickel plated service ball valves are WRAS approved and pressure rated to PN16. The valves have a brass body and compression ends to BS EN 1254-2. They are available in two sizes- PRODUCT
- Herz Valves UK
The Frese PV-SIGMA Compact system is a dynamic valve arrangement designed to regulate flow and differential pressure. The Frese PV-SIGMA Compact system can be installed in both domestic and commercial heating and cooling systems. Available in sizes from DN15 to DN50. Max. flowrate 10.3m3/h, max. differential pressure 400kPa. Made from DZR brass (DN15-32) or ductile iron (DN40-50Thermal balancing control valve
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The Herz thermal balancing control valve control valve is a thermostatic valve for hot water systems with a circulation pump. The control valve does not require an external power source and is PN10 pressure rated. The temperature in the circulation pipe is controlled. In cases where several pipes are used, distribution of the hot water is ensured- PRODUCT
- Herz Valves UK

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