Guardianmade VN is the manufacturer and exporter of high grade stainless steel 150lbs threaded fittings and valves used in gas , water , oil and air services. All stainless steel fittings and valves that produced by GD are monitored by its quality control personnel and strict compliance with applicable standards and specifications. Stainless steel fittings and valves are made in precision casting technology and the full size range is available in stock from 1/8” – 4” in both grades of stainless steel 304 and 316.
Fittings and valves with NPT thread are in compliance to ASME B1.20.1 and castings to ASTM A351 for USA market. Fittings and valves with BSP /ISO7-1 thread are in compliance to Europe standard and castings to ASTM A351 for Europe and other markets.GD manufactures the stainless steel fittings and valves to the highest standards with the following quality assurance programs currently in place ISO9001 ,CE ,and API.