1. Size: 6, 8, 10, 15, 18, 22, 28, 35, 42, 54, 67, 76, 108
Standard: EN1254-1
Certificate: Kitemark, SABS
2. Size: 1/4'', 1/2'', 3/4'', 1'', 1-1/2'', 2'', 3'', 4''
Standard: ASME B16.22
Certificate: UPC, NSF
3. Size: 1/4'', 3/8'', 1/2'', 5/8'', 7/8'', 1-1/8'', 1-3/8'', 1-5/8'', 2-1/8'', 2-5/8'', 3-1/8'', 3-5/8'', 4-1/8''
Standard: ASME B16.22