The API 603 family of AIL Stainless Steel Gate Valves is an economic alternative to API 600 Stainless Steel Gate Valves. They are available in flanged construction and in pressure ratings of ASME Class 150 and Class 300. Gate Valves are of flexible outside screw-andyoke and bolted-bonnet construction. Body and Bonnet The body and bonnet are cast with uniform section and generous radius fillets to prevent stress concentration. The castings are precision-machined for high performance Flexible Wedge. The gate valve body has a straight through port without recesses except at the seat area. This ensures minimum turbulence, erosion and resistance to flow. Long integral guide ribs in the body match with full-length guide slots in the wedge fo accurate alignment and guidance.

The API 603 family of AIL Stainless Steel Gate Valves is an economic alternative to API 600 Stainless Steel Gate Valves. They are available in flanged construction and in pressure ratings of ASME Class 150 and Class 300. Gate Valves are of flexible outside screw-andyoke and bolted-bonnet construction. Body and Bonnet The body and bonnet are cast with uniform section and generous radius fillets to prevent stress concentration. The castings are precision-machined for high performance Flexible Wedge. The gate valve body has a straight through port without recesses except at the seat area. This ensures minimum turbulence, erosion and resistance to flow. Long integral guide ribs in the body match with full-length guide slots in the wedge fo accurate alignment and guidance.