Orders placed after 3PM Friday 24th May will be processed and packed over the Bank Holiday weekend, but will not be collected by the courier until Tuesday 28th May (Click HERE for more information).

Port Solent Store / Click & Collect - Open as usual throughout the weekend and bank holiday Monday
See opening times HERE

Orders placed after 3PM Friday 24th May will be processed and packed over the Bank Holiday weekend, but will not be collected by the courier until Tuesday 28th May (Click HERE for more information).
Port Solent store and click & collect open as usual

TruDesign Non-Return Valve

£ 9.95 - £ 22.95

Clear

TruDesign Non-Return Valves (Check Valves) are used in-line to prevent water backflow or siphoning and are available in 6 sizes (in-line hose connector).

Features:

Manufactured from a composite UV stabilized, glass-reinforced Nylon 6
High strength, tough and lightweight. Can be used in direct sunlight.

High impact and tensile strength
“Water hammer safe” and insensitive to pressure shocks in the pipeline

Stainless steel spring
No corrosion issues or risk of internal valve staying open

Low ‘cracking’ (opening) pressure
Minimal pressure required to open the valve with minimal restriction on flow-rates

In line fitting
Minimal installation room needed

Printed white arrow (opposite logo side)
Quick and easy identification of water flow direction

Specifications:

Size 3/4″ (19mm) 1″ (25mm) 1 1/8″ (28mm) 1 1/4″ (32mm) 1 1/2″ (38mm) 2″ (50mm)
Weight 21g 34g 46g 50g 67g 119g
Temp. Service 65°C 65°C 65°C 65°C 65°C 65°C
Temp Max 93°C 93°C 93°C 93°C 93°C 93°C
Pressure Service 0 – 150 psi 0 – 150 psi 0 – 150 psi 0 – 150 psi 0 – 150 psi 0 – 150 psi
Pressure Max 230 psi 230 psi 230 psi 230 psi 230 psi 230 psi
Cracking Pressure ~ 0.41 psi  ~ 0.29 psi  ~ 0.29 psi  ~ 0.26 psi  ~ 0.23 psi  ~ 0.22 psi
Recommended for flow-rates between: 15 – 42 Litre/min (4 – 11 gpm) 25 – 79 Litre/min (6.5–21 gpm) 25 – 79 Litre/min (6.5 – 21 gpm) 32 – 117 Litre/min (8.5 – 31 gpm) 61 – 193 Litre/min (16 – 51 gpm) 87 – 322 Litre/min (23 – 85 gpm)
Pressure loss at max flow-rate: 3.8 psi 3.8 psi 3.8 psi 2.8 psi 2.3 psi 2.9 psi

Installation:

Ensure the Non-Return Valve (Check Valve) is installed with the water flowing in the same direction as the
white arrow.

Use 2 hose clamps on each end (4 total), ensuring not to over-tighten.

It is recommended for dirty water situations that the valve be cleaned once per annum to dislodge debris.

Part Number
Size
Port Solent
Warehouse
99710712
3/4" (19mm)
2
2
99710736
1" (25mm)
2
8
99710743
1 1/8" (28mm)
1
7
99710750
1 1/4" (32mm)
1
17
99710767
1 1/2" (38mm)
0
0
99710774
2" (50mm)
1
0