APPENDIX C SUPPLEMENTAL TEST REQUIREMENTS APPENDIX D REFERENCE SPECIFICATIONS AND Spec 6D: Pipeline Valves (Steel Gate, PIug. Ball, and Check Valves). follows: Class 150 = PN 20 Class 300 = PN 50 Class 400 = PN64 Class 600 = PN 100 Class 900 = PN 150 Class 1500 = PN 250 Class 2500 = PN 420 NPS 2 = DN50 NPS 2a#39;/2 = DN 65 NPS 3 = DN 80 NPS 4 = DN 100 High Low Pressure Pressure Valve Backseat Backseat Air Seat Pressure.
Title | : | Specification for Pipeline Valves (steel Gate, Plug, Ball, and Check Valves). |
Author | : | American Petroleum Institute. Production Dept |
Publisher | : | - 1988 |
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