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Building services valves
(143)
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
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 TA 900 iSi shut-off ball valve is suitable for heating, cooling and tap water systems. The valve is made from AMETAL®, a dezincification-resistant alloy that minimises the risk of leakage. The alloy is nickel plated and the handle is made using glass fibre reinforced plastic. Two versions are available: one with EPDM rubber for domestic water- PRODUCT
- IMI Hydronic Engineering
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
Changefix is a watertight changing tool that can be mounted onto a thermostatic valve. Changefixs liquid-lock function allows the upper part of a valve to be changed, or the seat seal at the spindle to be cleaned, while the system is under pressure- PRODUCT
- Herz Valves UK
The Herz automatic air vent is used in heating applications and other processes where air needs to be removed from media in systems. It is PN10 pressure rated. The air vent is vertically fixed and features a stop valve for ease of maintenance and replacement. The connection between the automatic air vent and stop valve is sealed with an O-ring, so- PRODUCT
- Herz Valves UK
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- PRODUCT
- IMI Hydronic Engineering
The TS-98-V thermostatic valve has continuous pre-setting and readout, and is suitable for water heating systems in which hydraulic balancing via return valves is not possible or desired. The universal models are equipped with special sockets that offer the option of connecting either a threaded pipe or a calibrated soft steel or copper pipe, the- PRODUCT
- Herz Valves UK
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
The Herz cast iron gate valve is made to BS 5150 and BS EN 1171. It is available in a range of sizes: 50, 65, 80, 100, 125, 150, 200, 250 and 300mm. Respective weights include: 19, 22, 30, 39, 56, 63, 116, 150 and 215kg. It has a pressure/temperature rating of 16 bar at -10 to 120°C, or 11 bar at 230°C. Face-to-face dimensions are to BS 5150 and- PRODUCT
- Herz Valves UK
Semi-lugged butterfly isolating valves are high-quality loose liner valves designed in accordance with EN 593. They feature extended necks for insulation and are gear 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- PRODUCT
- Herz Valves UK
The CirCon thermostatic valve in stainless steel AISI 316 is used for domestic hot water systems with circulation. A by-pass outside the thermal part of the valve allows the temperature to be raised to between 70°C and 80°C, making it suitable for hot water installations with bacterial problems such as legionella. It has a stepless setting between 37°C and 65°C with an accuracy of +/-2°C
Herz bronze gate valves are WRAS approved and pressure rated to PN20. Features include: Available in various dimensions. Made to BS 5154. Pressure/temperature rating of 9 bar at 180°C; and 26 bar at -10 to 100°C. BS21 taper thread (ISO 7). Test pressures - 30 bar (shell), 22 bar (seat- 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 VODRV (Variable Orifice Double Regulating Valve) commissioning valve is a circuit control valve for applications such as hydraulic balancing in heating and cooling systems, and adjustment of distribution mains, circuits, heat exchangers, and heating and cooling registers. The valve is available as a screw-down model and is made in brass. The- PRODUCT
- Herz Valves UK
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
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 (DN40-50
High-quality loose liner butterfly valves are designed in accordance with EN 593 and feature extended necks for insulation. The valves are semi-lugged. 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 with ISO 9001- PRODUCT
- Herz Valves UK
The Frese Sigma dynamic balancing valves is used for water control in cooling and heating applications. It can be used instead of traditional double regulating valves and can be installed in both variable flow systems and constant flow systems. Max. differential pressure 400kPa. Range of flowrates, from 40 to 10,350l/h. Made from brass (DN15-DN32) or ductile iron (DN40-DN50
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
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
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 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 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
