PED & ISO 9001:2000 certified 3.1 and 3.2 certificate reduced flange ,asme reducing flange,weld neck reducing flange 1. Type:reduced flange,asme reducing flange,weld neck reducing flange 2. Material: carbon steel, stainless steel and alloy steel flange3. Standard: ANSI, JIS, BS, DIN, UNI, EN, GB, AWWA, API, MSS,4. Size: 15 mm to 5000 mm5. Pressure: 150bls to 2500bls6. Marking: According to client ...