1" 3000# Forged Stainless Steel 316/L Socket Weld Cap material_304/304L Stainless Steel 2-1/2" and larger are NPT

2-1/2" and larger are NPT (tapered)

In addition

For water service applications

6" IPS Style 38 Water Service Coupling for Steel Pipe (Plain)

1" 3000# Forged Stainless Steel 316/L Socket Weld Cap material_304/304L Stainless Steel 2-1/2" and larger are NPTForged stainless steel material conforms to ASME A182 Forged stainless steel fitting dimensions conform to ASME B16. 11 NPT threads conform to ASME B1. 20. 1 Socket weld fittings conform to ASME B16. 11 Forged stainless union conform to MSS SP 83 Forged stainless outlets conform to MSS SP 97 Forged stainless socket weld inserts conform to MSS SP 79 Manufacturing facility is ISO 9001: 2008