Send the following on WhatsApp
Continue to ChatBurkert 783281 - DN50, G2, 48.8 Flow Rate KV, Brass, Heavy Design, Type TFU002 Check Valve For Water and Air https://www.process-valves.com/product/burkert-783281-dn50-g2-48-8-flow-rate-kv-brass-heavy-design-type-tfu002-check-valve-for-water-and-air/