Ball check valve is also called rolling ball check valve, Y-type structure, internal seals of the rubber ball wear-resistant and oil-resistant. Adopting rubber leather rolling ball as valve flap, under the action of the medium, it can be rolled up and down on the integral slide of the valve body, so as to open or close the valve, with good sealing performance, anechoic closure, without water hammer, the valve body adopts the full water flow channel, large flow, small resistance, head loss is smaller than the rotary opening type 50%, horizontal or vertical installation can be installed, can be used for cold water, hot water, industrial and domestic sewage pipe network, more suitable for submersible sewage pumps. It is more suitable for submersible sewage pumps.
Product Parameters
Product Model | HQ81X-6P |
Valve body material | 304 Stainless Steel |
Nominal pressure | ≤0.6Mpa |
Applicable medium | Water, Non-Corrosive Liquids, etc. |
Applicable temperature | ≤80°C |
Product Size Reference

Nominal Diameter | D | L | K | H |
DN50 | 51 | 132 | 77.5 | 71.5 |
DN65 | 60.8 | 140 | 91 | 88.5 |
DN80 | 79.4 | 170 | 106 | 106.5 |














