316 Stainless Steel Syphons GNW Instrumentation Sale! from 8700 /per Type Ring U Thread 1/4" BSP Male to 1/4" BSPT Male 3/8" BSP Male to 3/8" BSPT Male 1/2" BSP Male to 1/2" BSPT Male Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. A range of heavy duty 316L Stainless Steel "U" and "Ring" syphons for the most demanding process applications. If 304 stainless steel material is sufficient for the application these are available in our standard range at a significantly lower cost. Tweet