Special accessories for water pump pressure tank, two-in-one check valve, non-tower water supply check valve, return valve
Link to the original- 100 — 1999 шт 5000$ per piece.
- 2000 — 50119 шт 4000$ per piece.
- 50120+ шт 3000$ per piece.
Inspection + photo report for $1.5.
We check the goods and take a photo report so you can make sure you get the right product without faults or damage
Delivery from China to Ukraine, Uzbekistan, European and African countries
Payable upon arrival at the warehouse in China
Returns are only possible while the item is in our warehouse in China. Once the goods have been dispatched from China, they cannot be returned
Photo and product description
关于发货:本店默认发韵达快递!
关于安装:三合一止回补气阀装在水泵出水口与压力罐进水口之间,靠近压力罐进水口一端。箭头朝向压力罐。箭头方向是进水方向。
关于补气与回水:只有您使用的是潜水泵(深井泵),才能回水。如果您使用的是自吸泵,因为自吸泵进水口都有止回阀,所以不能回水的。当潜水泵停止工作后,水泵的吸力,会自动把补气口打开,上水管内的水会因为重力作用回到井内,并充满空气。当潜水泵再次工作时,上水管内的空气就是自动进入到压力罐内,从而起到防止上水管上冻和补气的作用!!如果您的压力罐气多水少,可以使用本店的排气止回一体阀。
螺纹丝口口径:DN16=4分 螺纹直径20mm DN20=6分 螺纹直径25mm DN25=1寸 螺纹直径32mm
PPR水管口径:4分PPR即20的PPR 6分PPR即25的PPR
1寸PPR即32的PPR