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Pressure Relief Valves, Pressure Sustaining Valves, Pressure Reducing Valves and Pilot Float Valves. 

Pilot operated Pressure Sustaining, Pressure Reducing and Pressure Relief valves utilise a basic pilot control valve system via a unique Patented compact cylindrical valve body design with rugged internal piston with U ring sealing offering exceptionally high flow and long maintenance free life. The control valve body is available in Bronze, Ductile Iron with Epoxy coating, Cast Iron or 304 and 316 stainless steel construction.

This innovative cylindrical valve design allows users to easy install a range of options such as Pilot operated Float control, Pressure Reducing Valve, Pressure Sustaining Valve, Solenoid control valve or Pressure Relief valve options with pressure ranges from 0.2 to 13 bar and beyond. This unique design means that the compact high flow long life cylindrical body is easily transported and installed with the external control pipework installed as a final step. In this way installation and transport damage is minimised and engineers can change the valve function by simply changing the external controller.

There is a very comprehensive range of compact threaded or flanged high flow high performance 316 stainless steel direct acting Pressure Reducing Valves for high, medium and ultra low pressures, Direct acting Pressure Sustaining Valves and direct acting pressure Relief Valves to suit most water, oil, air, corrosive and aggressive media or environmental applications for food, pharmaceutical and chemical industries. Choosing the correct valve for the application at hand is very important and can be confusing. To help we have listed below the more common valves.

Water Control Valves - Float Control Valve Series (BFF) from Connexion Developments Ltd 0800 808 7799
Pilot float valve Z-Tide series BFF
Sizes: DN50 to DN350mm, larger sizes upon request.
Body materials: ductile iron, bronze, 304 or 316 stainless steel
Pressure: 0.3 to 16 Bar
Operation: pressure assisted piston
Media: water,fluid,air,oil,RO water,pure water, gas or fluid.
Media temp: +80C Max
Water Control Valves - Micro Pressure Reducing Valves Series REMT REMF Stainless Steel
Micro Pressure Reducing Valves Z-Tide Series REMT + REMF
Sizes: DN15 to DN50mm and 1/2 BSP to 2" BSP.
Material: 316 stainless steel
Pressures: Inlet 10 bar max, Outlet 0.2 to 0.02 Bar
Operation: Direct Acting
Media: water,fluid,air,oil,gas,pure water,ro water.
Temp: -15C to +80C Max
Water Control Valves - Pressure Reducing Valve Series RELT + RELF Stainless Steel
Low pressure reducing valves series: RELT + RELF
Sizes: DN15 to DN50mm - 1/2BSP - 2"BSP.
Material: stainless steel 316
Pressures: inlet 10 bar max; outlet 1.5 to 0.2 bar
Operation: direct acting
Media: water,fluid,air,oil,RO water,pure water, gas or fluid.
Temp: -15C to +80C max
Pressure Gauge shows reduced downstream pressure
 Water Control Valves - Pressure Reducing Valve Series RET Direct Acting 316 stainless from Connexion Developments Ltd 0800 808 7799
Pressure reducing valve direct acting PRV series RET
Port Sizes 1/2,3/4, 1, 11/4, 11/2 and 2" BSP or NPT thread.
Material: stainless steel 316
Pressures: Inlet 25 bar max;
Outlet (1 - 6 Bar) (4 - 10 Bar) (8 - 13 Bar)
Operation: direct acting
Media: water,fluid,air,oil,RO water,pure water, gas or fluid.
Media Temp: -15C to +80C
Pressure gauge shows reduced downstream pressure
Water Control Valves - Pressure Reducing Valve REF series from Connexion 01454 334990
Pressure reducing valve direct acting PRV series: REF
Flange Sizes DN50 to DN150 PN16 Flange.
Body Material: 316 stainless steel
Pressures: Inlet 25 Bar Max;
Outlet Options: (1 - 6 Bar) (4 - 10 Bar) (8 - 13 Bar)
Operation: direct acting
Media: water,fluid,air,oil,RO water,pure water, gas or fluid.
Media Temp: -15C to +80C
Pressure Gauge shows reduced downstream pressure
Water Control Valves - Pressure Reducing Valve Series BFR from Connexion Developments Ltd 0800 808 7799
Pressure Reducing Valve Z Tide Series: BFR
Sizes: DN50 to DN350 PN16 Flange.
Body Material: Ductile Iron, Bronze, 304 or 316 Stainless Steel
Pressures: Inlet 16 Bar Max;
Outlet Options (0.7 - 7 Bar) (4 - 12 Bar)
Operation: Pressure assisted piston
Media: Water - liquid
Temp: -15C to +80C Max
Pressure Gauge shows reduced downstream pressure
Water Control Valves  - Pressure Sustaining Valves RFT Series Direct acting 316 stainless steel from Connexion Developments Ltd 0800 808 7799
Pressure Sustaining Valve Z-Tide Direct Acting Series: RFT
Port Sizes: 1/2 BSP - 2" BSP.
Body Material: 316 Stainless Steel
Pressures: Inlet 25 Bar Max;
Outlet Options (1 - 5 Bar) (4 - 10 Bar) (8 - 13 Bar)
Operation: Direct Acting
Media: water,fluid,air,oil,RO water,pure water, gas or fluid.
Media Temp: -15C to +80C
Pressure gauge shows the sustained upstream pressure.  
Pressure Sustaining Valve RFF series from Connexion 01454 334990
Pressure Sustaining Valve Z-Tide Series: RFF
Port Sizes: DN15 to DN150 Flange.
Body Material: Stainless Steel 316
Pressures: Inlet 25 Bar Max;
Outlet Options (1 - 5 Bar) (4 - 10 Bar) (8 - 13 Bar)
Operation: Direct Acting
Media: water,fluid,air,oil,RO water,pure water, gas or fluid.
Temp: -15C to +80C
Pressure gauge shows the sustained upstream pressure.   
Pressure Sustaining Valve BFS series from Connexion 01454 334990
Pressure Sustaining Valve Z-Tide Series: BFS 
Port Sizes: DN50 to DN350 Flange.
Body Material: Ductile Iron, Bronze, 304 or 316 Stainless Steel
Pressures: Inlet 16 Bar Max;
Outlet Options (0.2 - 4 Bar) (3 - 10 Bar)
Operation: Pressure assisted Piston
Media: water,fluid,air,oil,RO water,pure water, gas or fluid.
Temp: -15C to +80C Max
Pressure gauge shows the sustained upstream pressure.  
BFE-S stainless steel flanged solenoid valves 0.3 to 16 bar DN50 to DN400
Solenoid valve flanged Z-Tide Series: BFE
Port Sizes: DN50 to DN350. (Larger sizes available upon request)
Body Material: Ductile Iron, Bronze, 304 or 316 Stainless Steel
Media: water,fluid,air,oil,RO water,pure water,gas or fluid.
Temp: -15
C to +80C Max
Pressure Range: 0.3 to 10 or 0.3 to 16 Bar Max 

Pressure Relief Valve RLF series from Connexion 01454 334990

Pressure Relief Valves Z-Tide Flanged series: RLF
Port Sizes: flange DN15 to DN150
Body Material: 316 stainless steel
Pressure range: 25 to 0.5 Bar Max
Operation: direct acting
Temp: -15C to +80C Max
Media: water,fluid,air,oil,RO water,pure water, gas or fluid.
Pressure gauge shows the current upstream pressure.  

Pressure Relief Valve Stainless steel Series RLT

Pressure Relief Valve Z Tide Series: RLT
Port Sizes: 1/2,3/4,1,11/4,11/2 or 2 BSP or NPT thread
Body Material: 316 stainless steal
Pressure range: 25 to 0.5 Bar Max
Operation: direct acting
Media: water,fluid,air,oil,RO water,pure water, gas or fluid.
Temp: -15C to +80C Max
Pressure gauge shows the current upstream pressure. 

Water Hammer Arrestor ALF Series from Connexion 01454 334990

Water Hammer Arrestors Z-Tide Angles Series: ALF 
Port Sizes: DN50 to DN200. (Larger sizes available upon request)
Body Material: Ductile Iron, 304 or 316 Stainless Steel
Pressure Range: 20 Bar Max
Media: Fluid - Oil - Acid - Alkali
Temp: -15C to +80C Other options are custom made 
Hammer Arrestors AIT Series Inline Thread 01454 334990Hammer Arrestors  AIF Inline Series Flange Hammer Arrestor 01454 334990
Z-Tide AIT + AIF Inline Series Water Hammer Arrestors
Sizes: 1/2 BSP to 4" BSP and DN80 to DN300.
Material Options: Ductile Iron Epoxy Coated and Stainless Steel 304 or 316
Pressures: 20 Bar Max Media: Fluid - Oil - Acid - Alkali
Temp: -15C to +80C Other options are custom made 

Water Hammer Arrestor Series AXT L type from Connexion 01454 334990

Z-Tide AXT L Series Water Hammer Arrestors
Sizes: 1/2 BSP to 3/4" BSPM
Material: Brass (Nickel Plated)
Pressures: 12 Bar Max
Media: Water - Fluid - Oil
Temp: -15C to +110C Other options are custom made 
 
Media
Port Size - Type
Port Option
N-open/closed
Min Pressure
Max Pressure
Body Material
Protection
Special Option

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