Item no.
Description
Material
Stock status
Price
Quantity
Item no.
Description
TD - Non-Return-Valve 3/4" (19 mm)
EAN 9421007123157
Model no. 90804
Material
Plastic
Stock status
In stock
Price
€8.36
Ex. tax, ex. shipping.
Quantity
Item no.
Description
TD - Non-Return-Valve 1" (25 mm)
EAN 9421007123164
Model no. 90805
Material
Plastic
Stock status
In stock
Price
€10.04
Ex. tax, ex. shipping.
Quantity
Item no.
Description
TD - Non-Return-Valve 1 1/4" (32 mm)
EAN 9421007123171
Model no. 90806
Material
Plastic
Stock status
In stock
Price
€11.72
Ex. tax, ex. shipping.
Quantity
Item no.
Description
TD - Non-Return-Valve 1 1/2" (38 mm)
EAN 9421007123188
Model no. 90807
Material
Plastic
Stock status
In stock
Price
List Price:
€18.91
€16.76
You save:
€2.15 (11%)
Ex. tax, ex. shipping.
Quantity
Item no.
Description
TD - Non-Return-Valve 2" (50 mm)
EAN 9421007123195
Model no. 90812
Material
Plastic
Stock status
In stock
Price
List Price:
€23.95
€21.81
You save:
€2.14 (9%)
Ex. tax, ex. shipping.
Quantity

Product details

TRUDESIGN non-return valves are inserted directly into existing suction lines and therefore require little space. Made out of UV-resistant, glass-fiber reinforced nylon. Its printed, white arrow indicates the direction in which the non-return valve must be installed.
 
  • Shock resistant, water pressure-proof, insensitive to pressure fluctuations
  • Integrated stainless steel spring
  • Stainless steel - no corrosion, no risk that the valve remains open
  • Low opening pressure

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Technical question

Question:
User image of Jørgen C.
Jørgen C. asked
on Mar 28, 2018
English
Hi, I have had some (actually a lot) of problems to get the ordinary factory supplied check-valves on electrical WCs to last. They very soon get leaky, resulting in you-know-what flows back into the WC. I use sweet water for flushing, so the course is not corrosion. The check valves from Truedesing look interesting as an replacement alternative. Would they be suitable for such a usage?
Answer:
User image of Manuel F.
Manuel F. answered
on Mar 28, 2018
I do not recommend this type of check valve for your application. This valve has too many moving parts and any small particle in suspension will cause malfunction to the valve. This type of valve is fine for liquids free of solids which is not your case. Also the nominal diameter of the valve does not correspond to the diameter of the connections ports. Since all the parts are inside of the pipe the nominal area becomes very restricted to the flow. As an example a 3/4” valve do not correspond a 3/4” nominal flow area, is much less. I recomend in this case the Jabsco check valve item 57156. On SBV the biggest available is D 38mm. Or you can go for a Duckbill check valve.

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Poland
2/18/2021
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This rating belongs to item no. 74063

Tak, tak, tak!!!! Polecam!!!
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Germany
10/17/2020
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This rating belongs to item no. 74063

sehr gutes Produkt.
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Austria
8/20/2020
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This rating belongs to item no. 74062

Genau meine Vorstellung !
Entspricht meinen Erwartungen!
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Switzerland
8/2/2020
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This rating belongs to item no. 74060

Macht was es soll
Seit einigen Tagen in Gebrauch, funktioniert
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Switzerland
7/17/2020
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This rating belongs to item no. 74060

TRUDESIGN wie immer einwandfreie Ware
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Germany
6/11/2020
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This rating belongs to item no. 74060

Rückschlagventil
Alles gesagt siehe Sterne
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Germany
11/25/2019
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This rating belongs to item no. 74061

Rueckschlagventil
Erfüllt seinen Zweck, kurze Bauweise.
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