Range of T-type thermostatic blending valves with brass bodies and EPDM ‘O’-rings. Maximum working pressure 14.0 bar. Maximum operating temperature 90°C
Range of unvented monobloc groups consisting of an in-line pressure reducing valve (PRV) (adjustable between 2.7 and 3.3 bar or 3.2 and 3.8 bar - see model) and a pre-set expansion relief valve (SRV) (pre-set at either 4.5, 4.75, 5.0, 6.0 or 8.0 bar - see model) housed in a DZR brass body with an EPDM rubber diaphragm. The product incorporates a check valve cartridge, verified by test (suitable for backflow protection against Fluid Category 2). The expansion relief valve is fitted with a rotary type easing gear. Maximum inlet supply pressure 10.0 bar. Maximum operating temperature 85°C.
Range of balancing valves with DZR brass bodies and EPDM ‘O’-rings, incorporating a non-rising spindle headwork. Maximum working pressure 20.0 bar. Maximum operating temperature 85°C.
Unvented monobloc group consisting of an in-line pressure reducing valve adjustable between 2.7 & 3.3 bar, an approved check valve cartridge, verified by test (suitable for backflow protection against Fluid Category 2) A pre-set expansion relief valve set at 6.0 bar housed in a DZR brass body with an EPDM rubber diaphragm. The expansion valve is fitted with a rotary type easing gear. Maximum inlet supply pressure 10.0 bar. Cold water use only.
In-line double check valve assembly consisting of two spring loaded resilient trim check valve cartridges housed within a DZR brass body with a test point between both check valves. Maximum working pressure 10.0 bar. Maximum operating temperature 99°C.
Expansion group consisting of a pressure relief valve (set at 6.0 bar), incorporates check valve cartridge, verified by test (suitable for backflow protection against Fluid Category 2) and spherical ball valve housed within a DZR brass body. Maximum working pressure 16 bar. Maximum operating temperature 85°C
Range of adjustable, in-line pressure reducing valves with DZR brass or plated brass bodies, incorporating EPDM diaphragm, ‘O’ rings and a stainless-steel strainer. Models can be supplied with or without gauge port and some models supplied with gauge port and gauge. Maximum inlet supply pressure 16.0 bar. Maximum outlet pressure 1.0 to 5.5 bar (except 533230H & 533430H which has an adjustable pressure range of 0.8 to 4.0 bar) Maximum operating temperature 80°C
Verifiable double check valve assembly consisting of two spring loaded resilient trim in-line check valve cartridges housed in a DZR brass body. The products incorporate two inspection ports between the cartridges. Maximum working pressure 10.0 bar. Maximum operating temperature 85°C
Range of pre-set, in-line pressure reducing valves incorporating DZR brass or bronze bodies, EPDM diaphragm & ‘O’-rings and a stainless-steel strainer. The valves are supplied factory pre-set at 3.0 bar on existing models or with an adjustable range between 0.5-6.0 bar for models added in June 2020. Maximum inlet supply pressure 25.0 bar. Maximum operating temperature 80°C.
Range of in-line, manually adjustable pressure reducing valves (DZR brass or DZR brass plated bodies) and EPDM rubber seat washers & ‘O’-rings and a stainless steel filter. Minimum and maximum regulated outlet pressure 1.0 – 6.0 bar. Maximum working pressure 16.0 bar. Maximum operating temperature 40°C.
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.
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.
