https://www.vervovalve.com/tags/dn230-gate-valves.html
DN230 Gate Valves | Vervo
gate valves
https://shop.schwingpartsstore.com/98438500
Schwing Part # 98438500 | Guide ring DN230
Genuine Schwing parts in-stock. Fast shipping. If you don't see what you are looking for we can get it shipped to you ASAP. Call us 800-585-1206
guide ringschwingpart