Channel
Showing best results - all illustrated entries. Change the channel to view specific categories.
Building services valves
(144)
A wide range of valves is available for controlling the flow of cold water, hot water, air and steam in heating, air conditioning, ventilation and water supply systems.
Read LessBuilding 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
The Frese OPTIMIZER 6-way provides complete pressure independent balancing and control for 4-pipe heating and cooling systems. It consists of a pressure-independent control valve (PICV) with a 0-10V modulating actuator, a 6-way control valve with a rotating actuator, and the control unit. The OPTIMIZER 6-way works independently of any variations
Herz pressure reducing valves are WRAS approved and made to BS EN 1567. The valves are suitable for water heating and cooling applications. Pressure reducing valves are made from either DZR brass or cast gunmetal. Technical data: Maximum fluid temperature: 80°C. Maximum inlet pressure: 25 bar. Adjustable pressure range: 1.5-6 bar. Pressure- PRODUCT
- Herz Valves UK
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- PRODUCT
- IMI Hydronic Engineering
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- PRODUCT
- IMI Hydronic Engineering
The Herz drain tap has a bronze body, a brass stem, bonnet and disc holder, and an EPDM seat and seals. It is PN10 pressure rated. The drain tap is available in either 55 or 65mm sizes. Respective weights are 0.22 and 0.36kg. PN 10 drain tap is made in accordance with BS 2879- PRODUCT
- Herz Valves UK
The Frese OPTIMA Compact DN50-DN300 pressure independent balancing and control valve (PIBCV) is used in heating and cooling systems with air handling units, heat exchangers or mixing circuits. Used in a wide variety of market sectors, including commercial office developments, hotels, educational establishments, sports complexes and residential
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- PRODUCT
- IMI Hydronic Engineering
The ACO Triplex® with chamber is an in-line Type 2 passive anti-flooding device designed for grey water (non-faecal) connections. It has its own access chamber and conforms to the requirements of BS EN 13564. The ACO Triplex® installs into solid floor constructions with connections to 110mm or 160mm Ø drain pipe. It has a height adjustable access- PRODUCT
- ACO Building Drainage Ltd
Aylesbury K Type delayed action floating valves are suitable for controlling the level of cold water stored in tanks without raised valve chambers. The valve is constructed to operate over long periods without maintenance. It is WRAS approved and supplied with a five-year warranty
The TS-E thermostatic valve is suitable for one- or two-pipe heating systems, and is available in straight, angled and reverse angled versions. Standard models feature a threaded socket, are nickel plated and have a white screw cap. Universal models feature a special socket for threaded pipe and a compression union. An O-ring is used as a spindle- PRODUCT
- Herz Valves UK
RL5 pre-settable return valves are suitable for hot water heating systems. Straight and angled versions are available. The valves are made to DIN 3842 with five functions: connecting, closing, pre-setting, filling and draining. Valves are nickel plated and equipped with special sockets, with the option of connecting either threaded pipe or a- PRODUCT
- Herz Valves UK
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
DZR compression ball valves are made from corrosion-resistant forged brass to EN 12420. The ball of the valve has a chrome-plated finish. The spindle is in brass and the handle is made from galvanised steel. Compression fitting ends are to BS 864/2. The valves are pressure rated to PN16- PRODUCT
- Herz Valves UK
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- PRODUCT
- IMI Hydronic Engineering
Herz bronze swing check valves are pressure rated to PN25 and are made in accordance with BS EN 12328. A range of sizes is available. The valves have a pressure/temperature rating of 25 bar at -10 to 100°C; and 10.5 bar at 186°C. End connections are to BS EN 10266 (ISO7 Rc). Test pressure - 37.5 bar (shell), 27.5 bar (seat- PRODUCT
- Herz Valves UK
Herz commissioning sets are available in sizes from 0.5 to 12 and include low- and medium-flow versions. The sets form part of the companys circuit balancing valves. The valves are made in cast iron and feature a hidden locking system and digital readout, as well as an orifice plate that offers a highly accurate and repeatable hydronic balancing- PRODUCT
- Herz Valves UK
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- PRODUCT
- IMI Hydronic Engineering
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
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
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- PRODUCT
- IMI Hydronic Engineering
Frese ALPHA dynamic balancing valves are used for water control in the sanitary and HVAC industries. ALPHA dynamic balancing valves use cartridge technology and offer accuracy, reliability and affordability, as well as silent operation. The valves remove the need for traditional DRV and are designed specifically for heating and cooling systems
The Shield in-line thermostatic mixing valve is designed to eliminate the risk of scalding in health care, social, commercial, public and domestic applications. The valve is approved by the TMV scheme and meets the requirements for a Type 3 valve, complying with the NHS Model Engineering Specification, DO8. The valve is available in 22mm- PRODUCT
- Herz Valves UK
The MODULA Direct valve system from Frese combines the company's range of OPTIMA Compact pressure independent and temperature control valves with isolation, flushing, draining and measurement components within a prefabricated, tested and ready-to-install terminal bypass unit. MODULA Direct is supplied with an integral venturi metering station for
