Name: One way valve
Great one way check valve for aquarium air pump
Protect you air pump by preventing aquarium water from back siphoning during a power outage.
Small and compact
Made of durable plastic
Pressure range of the pressure-free check valve.
Open pressure approx. 0.003 MPA (0.03 kg water pressure)
Reverse back pressure approx. 0.7MPA (7kg water pressure)
Pressure range with pressure check valve.
Open pressure approx. 0.015 MPA (0.15 kg water pressure)
Reverse pressure approx. 1.0 MPA (10 kg water pressure)
Function: connect hose to prevent gas or liquid backflow
One-way confirmation method: if it cannot be identified, it can be tested by mouth, and the air can be blown out to confirm the inlet and outlet
Features: non-pressure type and pressure type, anti-ozone and anti-oil functions. Please see the description in detail and purchase according to personal needs.
Product characteristics: good thermal performance, strong chemical stability, non-toxic and tasteless
