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 and the products are for use with copper pipe (manufactured to EN1057). Maximum inlet supply pressure 10.0 bar. Maximum operating temperature 85°C.
Inlet control group consisting of an in-line pressure reducing valve (adjustable pressure - see model) and a pre-set expansion relief valve (pre-set pressure - 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). Compression connection to be used with copper pipe EN1057 only. Maximum supply pressure 10.0 bar. Maximum operating temperature 40°C.
Range of filling loop assemblies, consisting of either a stainless steel braided, EPDM lined flexible hose assembly (300616 VIS and 300614 VIS) or a rigid copper tube assembly (3006315 VIS), a lever operated spherical valve and an in-line, non-verifiable double check valve assembly verified by test (suitable for backflow protection against fluid category 3) which incorporates an integral lever operated spherical valve. Maximum working pressure 10.0 bar. Maximum operating temperature 70°C , and 85°C for 300615 VIS.
Verifiable double check valve assembly consisting of two spring loaded resilient trim in-line check valve cartridges housed in a DZR brass body with two test ports. Maximum working pressure 10.0 bar. Maximum operating temperature 85°C.
Range of pressure relief valves with plastic bodies and EPDM diaphragms and ‘O’-rings, Factory pre-set at 3.0 bar. Maximum operating temperature 110°C.
Range of T-type thermostatic mixing valves with chrome plated DZR brass bodies and EPDM ‘O’-rings incorporating a thermostatic cartridge controlling the temperature. Each inlet incorporates a stainless steel strainer. The inlets of the 252714 and 252713 models incorporate a check valve cartridge, verified by test (suitable for backflow protection against Fluid Category 2). Maximum working pressure 10.0 bar. Maximum operating temperature of 85°C.
‘Satefy group’ with a brass inlet and a DZR brass body which incorporates a lever operated spherical valve, followed by an approved check valve cartridge, verified by test (suitable for backflow protection against Fluid Category 2) and a plastic bodied pressure relief valve (set at 6.0 bar). The product incorporates a test point. The compression connections are for use copper pipe (manufactured to EN 1057). Maximum working pressure 16.0 bar. Maximum operating temperature 85°C.
Range of brass bodied differential angled bypass valves incorporating a spring-loaded adjustment facility. Maximum working pressure 10.0 bar. Maximum operating temperature 110°C.
Range of automatic air venting valves with plastic bodies and EPDM ‘O’-rings. Maximum working pressure 6.0 bar. Maximum operating temperature 99°C.
Range of balancing valves with DZR brass bodies with two test ports, incorporating a non-rising spindle headwork. Maximum working pressure 20.0 bar. Maximum operating temperature 85°C.
Range of pressure relief valves with DZR brass bodies incorporating EPDM diaphragms. The valves are pre-set as follows: 311560, 312469, 312461ITH, 311461CTS,531661 CST models: 6.0 bar, 312471 CST model: 7.0 bar, 312020 CST model: 10.0 bar. Maximum operating temperature 99°C.
Range of T-type thermostatic blending valves with DZR brass bodies. Maximum working pressure 14.0 bar. Maximum operating temperature 90°C.
Range of T-type thermostatic mixing valves with DZR brass bodies. Maximum working pressure 14.0 bar. Maximum operating temperature 100°C.
533 series of in-line, manually adjustable pressure reducing valves (DZR brass or brushed chrome plated DZR brass bodies) incorporating a stainless-steel strainer. All models except 533159 are supplied with a pressure gauge. Models with compression connection are for use with copper tube (manufactured to BS EN 1057). Maximum supply pressure 16.0 bar. Outlet pressures between 1.0 – 6.0 bar. Maximum operating temperature 40°C.
Range of pre-set, in-line pressure reducing valves incorporating DZR brass or bronze bodies and a stainless-steel strainer. The valves are supplied with an adjustable pressure range between 0.5-6.0 bar. Maximum inlet supply pressure 25.0 bar; except for 536660 with 16.0 bar. Maximum operating temperature 85°C.
Range of manually operated balancing valves with DZR brass bodies. The product also incorporates a spherical valve. Maximum working pressure: 10 bar Maximum working temperature: 100°C.
T-type thermostatic mixing valves with a brushed chrome DZR brass body. Maximum working pressure 10.0 Bar Maximum operating temperature 85.0°C
Range of adjustable, in-line pressure reducing valves with DZR brass bodies. Some models have a pressure connection and can be supplied with the pressure gauge. Model 533041H GBT, 533230H & 533430H has a maximum inlet supply pressure 10.0 bar, an outlet pressure range of 0.8 to 4.0 bar and a maximum operating temperature of 85°C. All other models: Maximum inlet supply pressure 16.0 bar. Outlet pressure range 1.0 to 6 bar. Maximum operating temperature 80°C
Range of adjustable, in-line pressure reducing valves with DZR brass bodies. Some models have a pressure connection and can be supplied with the pressure gauge. Maximum inlet supply pressure 16.0 bar. Maximum outlet pressure 1.0 to 6 bar. Maximum operating temperature 80°C
Spherical valves incorporating a drain port and two check valve cartridges (verified by test, suitable for backflow protection against fluid category 3) in a DZR brass body. Above ground use only. Maximum working pressure 10.0 bar. Maximum operating temperature 85°C.
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