MSS SP-6-2017 Standard Finishes for Contact Faces of Pipe Flanges and Connecting-End Flanges of Valves and Fittings standard by Manufacturers Standardization Society, 03/27/2017
MSS SP-140-2017 Preparation of Valves and FIttings for Silicone-Free Service standard by Manufacturers Standardization Society, 01/01/2017
MSS SP-131-2017 Metallic Manually Operated Gas Distribution Valves standard by Manufacturers Standardization Society, 01/01/2017
MSS SP-115-2017 Excess Flow Valves, 1 1/4 NPS and Smaller, for Natural Gas Service standard by Manufacturers Standardization Society, 01/01/2017
MSS SP-151-2016 Pressure Testing of Knife Gate Valves standard by Manufacturers Standardization Society, 2016
MSS SP-105-2016 Instrument Valves for Code Applications standard by Manufacturers Standardization Society, 11/01/2016
MSS SP-44-2016 Steel Pipeline Flanges, Includes Errata 1 (9/6/2017) & 2 (1/23/2018) standard by Manufacturers Standardization Society, 11/01/2016
MSS SP-132-2016 Compression Packing Systems for Instrument Valves standard by Manufacturers Standardization Society, 11/01/2016
MSS SP-124-2016 Fabricated Tapping Sleeves (Includes 2017 Amendment) standard by Manufacturers Standardization Society, 11/01/2016
MSS SP-112-2016 (Hardcopy Includes Comparator) Quality Standard for Evaluation of Cast Surface Finishes - Visual and Tactile Method (Hardcopy Includes Comparator) standard by Manufacturers Standardization Society, 11/01/2016
MSS SP-99-2016 Instrument Valves standard by Manufacturers Standardization Society, 11/01/2016
MSS SP-135-2016 High Pressure Steel Knife Gate Valves standard by Manufacturers Standardization Society, 06/01/2016