API Specification 14A - American Petroleum Institute

API Specification 14A Subsurface Safety Valve Equipment TWELFTH EDITION | JANUARY 2015 | 140 PAGES | $225.00 | PRODUCT NO. G14A12 This specification provides the requirements for

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ON-OFF／調節 - nbs-valve.co.jp

SS611-2B ダブルシート タイプ (製作範囲) ANSI/JPI 呼び径 mm (inch) 設計 面間 ボンネット SCS13A (4"以下14A) ディスク表面処理 SUS304 SUS316 (10"以下A-316)