Page 32 - Drinks Dispense & Pure Water - John Guest

Check Valves & Service Valves

Single Check Valves

Produced at the request of leading companies in the Drinks Dispense Industry, the
Super Speedfit acetal Single Check Valve ensures protection against reversal of flow.
The low headloss design and fast installation time makes the valve the ideal
selection. The valve is designed for use with liquids, it is not suitable for air and
vacuum applications.

Working Pressures and Temperatures
10 Bar at 20˚C
7 Bar at 65˚C intermittent hot water
Minimum Temperature 1˚C
Typical ‘crack open’ pressure 0.02 Bar
Technical information other than working pressures and temperatures
shown on page 36.

SINGLE CHECK VALVE SINGLE CHECK VALVE SINGLE CHECK VALVE

PART NO. TUBE PART NO. TUBE PART NO. TUBE
OD OD OD
1/4SCV 1/4” 6SCV 6mm NC2718 1/4
5/16SCV 5/16” 10SCV 10mm
3/8SCV 3/8” 12SCV 12mm WRAS approved materials only,
fittings approval not possible due to
For use with liquids only. For use with liquids only. higher crack-open pressure (5psi).
For use with liquids only.

• Valves with low fixed cracking pressure (i.e 10cm water column), that Accessories are shown
have not been activated for some time may take several seconds to re-seal. on page 33.
• It is the responsibility of the end user to verify that the product is suitable
for his specific application.
• It is also recommended that the non-return valve is regularly checked
and maintained.

NSF51
NSF61

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