Range of heat interface units providing heating and instantaneous hot water. The central heating and hot water is generated via plate heat exchangers. The central heating circuit contains a pressure relief valve (3.0 bar). Maximum working pressure primary circuit: 2.5. bar. Maximum working pressure district heating: 16.0 bar. Maximum working pressure secondary hot water circuit 10.0 bar. Maximum operating temperature 85°C.
Range of T-type thermostatic mixing valves with DZR brass bodies, EPDM ‘O’-rings. The product is supplied with a specific tool that allows a manual override of the valve for disinfection purposes. Maximum working pressure 14.0 Bar. Maximum operating temperature 90°C.
Range of in-line spherical valves (brushed chrome DZR brass body) with lever (250400) or butterfly (250300 & 29284) operating members, DZR brass ball (chromium plated brass) and PTFE seats and washers. Maximum working pressure 10.0 bar. Maximum operating temperature 100°C.
Range of in-line, manually adjustable pressure reducing valves with DZR brass bodies and EPDM rubber seat washers & ‘O’-rings. Outlet pressure range: 1.0 - 6.0 bar. Maximum working pressure 16.0 bar. Maximum operating temperature 80°C.
536 series range of adjustable, in-line pressure reducing valves with DZR brass bodies and EPDM ‘O’-rings. The inlet incorporates a stainless steel strainer. Models are supplied with a pressure gauges. Outlet pressure setting ranges between 6.0 and 10.0 bar. Maximum inlet supply pressure 25.0 bar. Maximum operating temperature 80°C.
Range of manually operated balancing valves with DZR brass bodies incorporating a PTFE disc seal, EPDM 'O’-rings and seal. The product also incorporates a spherical valve with EPDM ‘O’-rings. Maximum working pressure 10.0 bar. Maximum operating temperature 100°C. (marking 110ºC)
Solar range of auto air-vent valves (chromium plated brass) and a plastic float. Maximum working pressure 10.0 bar. Maximum operating temperature 100°C.
Range of pre-set (at 3.0 bar) pressure relief valves incorporating DZR brass bodies and an EPDM diaphragm. The valve is fitted with hand operated rotating easing gear. Maximum operating temperature 85°C.
Cold water inlet control group with a DZR brass body consisting of a pressure reducing valve, (adjustable between 2.7 and 3.3 bar, but factory set at 3.0 bar), a stainless steel strainer and a plastic bodied pressure relief valve (pre-set at 8.0 bar). The product incorporates a single check valve cartridge, verified by test (suitable for backflow protection against Fluid Category 2). The pressure relief valve is fitted with a rotary type easing gear. Maximum supply pressure 10.0 bar. Maximum operating temperature 85°C.
Range of indirect heat interface units providing heating and instantaneous hot water. The hot water and space heating is provided via two separate plate heat exchangers. The space heating circuit incorporates an expansion vessel and expansion relief valve (set @ 3.0 bar). The primary circuit only is supplied with isolation valves on the flow and return. Maximum working pressure primary 16.0 bar. Maximum working pressure space heating 2.5 bar. Maximum working pressure secondary hot water (DHW) 10.0 bar. Maximum operating temperature primary 75°C. Maximum operating temperature space heating 85°C. Maximum operating temperature secondary hot water (DHW) 65°C.
Filling loop assembly, consisting of a stainless steel braided EPDM lined flexible hose, a lever operated brass spherical valve and a DZR brass double check valve assembly that incorporates a lever operated spherical valve. Maximum working pressure 10.0 bar. Maximum operating temperature 23°C.
Range of ‘right hand’ or ‘left hand’ tempering valves having a plastic body incorporating a thermostatic element. The cold inlet incorporates a single check valve cartridge, however the complete product has not been fully tested to demonstrate it provides backflow protection Maximum working pressure 3.0 bar. Maximum operating temperature 60°C.
502 series of automatic air venting valves with brass bodies, plastic float and EPDM ‘O’-rings. Maximum working pressure 10.0 bar. Maximum operating temperature 115°C. Model added September 2021 (501500) has a maximum operating temperature of 120°C. All other models have a maximum operating temperature of 115°C.
Range of T-type thermostatic mixing valves with chrome plated DZR brass body, EPDM’O’-rings and NBR/fibre galsets (except for 252100 CST model). Maximum working pressure 14.0 bar. Maximum operating temperature 100°C.
Automatic air venting valve with brass bodies, stainless steel float and EPDM ‘O’-rings. Maximum working pressure 16.0 bar. Maximum operating temperature 120°C.
‘Series 116’ range of automatic thermal balancing valves (DZR Brass) with non-rising spindle headwork, brass disc and EPDM seals. Some models can be supplied with a thermometer (see model). The outlet of the 116144, 116154, 116244 & 116254 models (added January 2024) incorporate a check valve cartridge, verified by test (suitable for backflow protection against fluid category 2). Maximum working pressure 16.0 bar. Maximum operating temperature 100°C.
5 way manifold assembly with a DZR brass body incorporating a pressure reducing valve, with an adjustable outlet pressure range between 1.0 and 6.0 bar and a safety relief valve set at 6.0 bar. The product incorporates an inline single check valve cartridge after the balanced cold take off, verified by test (suitable for backflow protection against Fluid Category 2). Maximum supply pressure 16.0 bar. Maximum operating temperature 40°C
Range of temperature and pressure relief valves incorporating a DZR brass body & EPDM membrane. See model for maximum working pressure. Maximum operating temperature 90°C.
Robocheck-1 in-line single check valve assembly with a DZR brass body (brushed chrome). Maximum working pressure 16.0 bar. Maximum operating temperature 85°C.
Range of 5 way inlet control group assemblies with a DZR brass body incorporating a pressure reducing valve, with an adjustable outlet pressure range between 2.7 and 3.3bar and a safety relief valve set at 8.0 bar. The product incorporates an inline single check valve cartridge after the balanced cold take off, verified by test (suitable for backflow protection against Fluid Category 2) and strainer on the inlet Maximum supply pressure 10.0 bar. Maximum operating temperature 85°C
Page 1 of 4
We use cookies to give you the best possible experience with WRAS. Some are essential to provide website functions and ensure the website is secure. We also use cookies to help us understand how people use the site and to make improvements. Click "Accept All" to enable recommended settings or click "Manage cookies" to adjust your settings. For more details, see our Cookie Policy.
