1) Design and manufacture: API 6D, API 608, ASME B16.34, ANSI / AWWA C507, MSS SP-72, BS 5351, BS 6364, BFCI 70-2, ISO 5211, NACE MR0 2) Size: 1/2" ---42 3) Connection ends: ASME B16.5, ASME B16.47, API 605, MSS SP-44, ISO 7005-1, JIS B2238, BS 12627, ASME B16.25, ASME B16.11, BS 12760 4) Face to face dimension: ASME B16.10, ISO 5752, BS 558, and BS 12982 5) Testing and inspection: API 598, API 6D, API 607, API 6FA, BS 6755, BS 12569, MSS SP-82, MSS SP-61. 6) Normal pressure or rating: Class 150 - Class 2500, JIS 10K -20K, PN 10 - PN 420. 7) Normal diameter or bore: NPS1/2-NPS10, DN15-DN250 8) Applicable temperature: -196 oC-540 oC 9) Operation type: Manual, worm gear, pneumatic, electric.
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