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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 Herz bronze gate valve is made to BS 5154 and is PN10 pressure rated. It is available in a range of sizes from 12 to 50mm. Weights include: 0.3, 0.4, 0.6, 0.8, 0.9 and 1.5kg. The valve has a pressure/temperature rating of 7 bar at 170°C or 16 bar at -10-100°C. BS21 taper thread (ISO 7). Test pressure: Shell: 24 bar. Seat: 17.6 bar- 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
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 lever 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
Available in sizes from DN15 to DN50, (larger sizes available on request), Herz supplies quality ball valves 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) copper alloy to DIN 17660, and- PRODUCT
- Herz Valves UK
The WRAS-approved, DZR compression ball valve is a full bore, PN16 pressure-rated valve with compression ends. Features include: Blow-out-proof stem. Full bore, hard chrome-plated ball. Brass or bronze body construction. Virgin PTFE seats and stem seals. Bi-directional flow for ease of installation. Threaded BS 21 taper. Compression fitting ends- 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 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
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
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
The Frese OPTIMA Compact DN10-DN50 pressure independent balancing and control valve (PIBCV) is used in heating and cooling systems with fan coil units, chilled beams or other terminal units. Suitable for use in most applications with differential pressure range up to 800kPa. Manufactured from DZR brass (DN10-DN32) or ductile iron (DN40-DN50). Thermic and motoric actuators
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. DZR compression ball valves feature an extended stem for ease of use. Compression fitting ends are to BS 864/2. The valves are pressure rated- 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
The double or circuit regulating valve measures differential pressure and is available with test points and is flanged according to EN 1092-2. It is suitable for hydraulic balancing in heating or cooling systems. Features include: Two test points and presetting marker. Optional mounting position. The non-rising valve spindle is mounted vertically- 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
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
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
The Calis-TS-RD three-way valve is suitable for heating and cooling applications. The valve body is made of brass with a stainless steel spindle and EPDM seals. Some models are available nickel-plated- 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
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
High-quality loose liner butterfly valves are designed in accordance with EN 593 and feature extended necks for insulation. The valves are fully 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
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
Fully lugged butterfly isolating valves are high-quality loose liner valves designed in accordance with EN 593. They feature extended necks for insulation and are fully lugged and lever operated. Suitable for water and air systems in heating, cooling, air conditioning and ventilation, as well as fire fighting and agricultural applications, the- PRODUCT
- Herz Valves UK
The Connect-4 valve assembly offers a simple and reliable connection for fan coil and terminal units. It uses the Herz 4017 integral orifice commissioning valve with Herz 2190 extended lever ball valves and a Herz 4111 strainer. Functions include regulating, flushing and isolating. Connect-4 is fitted with extended handles and test points to allow- PRODUCT
- Herz Valves UK
