The maintenance-free safety valve for VRLA battery designed by us is based on foreign technology, equipped with acid filter disc and flame arrestor-related process, which filter gas discharged from vent valve and prevents open flame into the valves. As a result, its resistance to acid the flame, water loss and conformance are further improved, thereby extending the service life of the battery. We own the patent over the safety valve for VRLA battery.
PRODUCT FEATURES
Purchase the best raw materials in the world, test each index rigidly by IQC, to ensure the quality of each lot.Before and after the equipment of the valve, all components and parts are separately manufactured, and detected through strict quality control, to ensure the excellent quality of our products.The gas open and close pressure can be designed upon the customer's request.The functions of each product are strictly checked by OQC with standard testers to ensure the quality of the products delivered.

Q:Can you supply free samples?
A: For small pieces samples, we can offer free samples, but courier charge is in your account.
Q: How about the transport method?
A: According your request, we can arrange air transport or sea transport for you.
Q: Whether the products has testing report?
A: Yes, every batch of products, we can offer related testing report for you.