Valterra 200-20W PVC nihajni (brez vzmeti) povratni ventil, bel, 2 drsna 2 palca

Brand:Valterra

3.6/5

48.12

Ta protipovratni ventil Valterra 200-20W je izdelan iz belega PVC-ja sorte 40 (polivinilklorid) za trdnost in odpornost proti koroziji in blagim kemikalijam. Njegovo tesnilo EPDM (etilen propilen dien monomer) je odporno proti degradaciji, ki jo povzročata voda in olja, njegova konstrukcija s polnim pretokom pa omogoča nepomembne izgube pretoka pri kontroli nihanja, zato vzmet ni potrebna. Na obeh koncih ima 2 drsna priključka, ki ju je treba pritrditi z lepilom, in najvišjo stopnjo tlaka 150 funtov na kvadratni palec (psi). Ta protipovratni ventil je primeren za uporabo v pokrajini in namakanju, bazenih in zdraviliščih, ribogojstvu in splošnih aplikacijah. Nepovratni ventili imajo dve odprtini in omejujejo pretok tekočin in drugih razsutih materialov skozi cev ali prehod v eno smer. Tok vstopi skozi eno odprtino in izstopi skozi drugo ter se zapre, ko se tok obrne ali ustavi. Dve pogosti vrsti povratnih ventilov sta ventili s krogličnim stožcem in nihajni povratni ventili. Krogelni stožčasti ventil uporablja vzmetno obremenjeno kroglo, ki je pritrjena na stožčasto notranjo površino, da ustavi pretok tekočine v smeri naprej, nihajni protipovratni ventil pa ima premično ploščo na tečaju, ki blokira povratni tok. Protipovratni ventili so ocenjeni glede na njihov tlak pokanja (najmanjši predhodni tlak, potreben za delovanje ventila) in se uporabljajo v različnih vodih za vodo, plin, zrak in paro. Valterra Products proizvaja in distribuira ventile, cevi, kanalizacijske sisteme in izdelki za bazene in spa. Podjetje, ustanovljeno leta 1981, ima sedež v Mission Hills, CA.

2 ženska drsna priključka. Konstrukcija polnega pretoka za nepomembne izgube pretoka pri kontroli nihanja. Najvišji nazivni tlak 150 psi. EPDM tesnilo za odpornost na vodo in olja. Seznam 40 PVC konstrukcija za trdnost in odpornost proti koroziji in blagim kemikalijam.
Brand Valterra
Exterior Finish Pvc
Inlet Connection Size 2 Inches
Inlet Connection Type Chlorinated Polyvinyl Chloride
Item Dimensions LxWxH 6 x 2 x 4.5 inches
Item model number 200-20W
Manufacturer Valterra Products
Material PVC
Number of Ports 2
Product Dimensions 6 x 2 x 4.5 inches; 12 Ounces

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Scritto da: Danielle
Effective
Works great with my pond pump!! Thanks!!
Scritto da: FRANCIS X HOFFMAN
Durability is Key
From testing outside of the pipes I installed it in, it does what I want. The pool pump opens the swing flap easily with almost zero pressure. The opening is large enough so as not to restrict flow. The only question is "will it last"?. That's why I won't give the check valve top marks right now. It may ultimately deserve them, but I won't know that until after a few years of use. So far, it's fine, but time will tell.
Scritto da: Darin Grey
Using on a sprinkler works fine.
Bought this for my sprinkler pump that feeds off of a local Lake and it works perfect as a one-way valve. After the valve I have a float on the end of my pvc in the lake that has a filter.
Scritto da: Jerrod
Good Valve
I have not installed this yet, but as a trial i ran tap water backwards into the valve, and the valve closed and did not leak. The flapper is on a rubber piece that allows the flapper to move easily to open, and as I demonstrated it also closes well. This is regular strong schedule 40 feeling material.
Scritto da: Carbonman
Perfect for irrigation pumps!
I used this check valve on my irrigation pump. It works awesome!
Scritto da: Daryl
Works As Described
Does the job, hopefully it holds up over the years.
Scritto da: Thomas V.
Check valve 2"
I like this production, i just need one, could I return two items because now I just finish the pond. Thank you, Thomas Vuong
Scritto da: Gretchen Ousterhout
Poor quality manufacture
Glad I tested it before installing it on our irrigation suction line. Flapper doesn't quite seal and there were two nicks in the plastic, probably from incomplete fill in the injection molding manufacturing process. Return process was dirt simple though and rather than just saying send me a replacement, I went back and ordered the same thing again but - for $2 less, go figure.

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