Features: bellows sealed to prevent leakage may Ming rod structure Integral seal down to remove seat low leakage test stem packing by automatically adjust the preload gland packing Application criteria: Design: API 602/ASME 16.34/BS 5352 Pressure Test: API 598 tag: MSS SP25 SW connector standard: ASME B16.11 threaded connector (NPT) Standard: ASME B1.20.1 Pressure rating CLASS 800 CLASS 1500 CLASS 2500 Size range 1 / 4 "to 4" Optional Materials Carbon Steel: A105, LF2 Stainless Steel: F304, F304L, F316, F316L Duplex: F51, F55 Alloy: F1, F5, F5A, F9, F11, F22 |
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