One-piece, wing-type streamlined channel, low fluid resistance, hard alloy sealing surface, flexible disc, quick closing with small closing impact force.
Material: Carbon Steel,Stainless Steel,Alloy Steel Nominal Size: NIPS
Nominal Size: NIPS 2"~24",DN50~600
Pressure Rate: CLASS150~420,PN10~420
Temperature Range: -60℃~+538℃
Application range: Suitable for pipelines in various working conditions such as petroleum, chemical, pharmaceutical, fertilizer, power industry, and low temperature.
◎ Design Standard: API 6D, AP1602,ASME B16.34,GB/T 12235,GB/T21387
◎ Pressure Temperature Rate: ASME B16.34,GB/T 12224
◎ Face to Face: ASME B16.10,GB/T 12221,EN558
◎ Flange Standard: ASME B16.5,ASME B16.47,GB/T 9113,JB/T79,HG/T 20592,EN 1092, GOST 33259
◎ Butt Weld Standard: ASMEB16.25 GB/T12224
◎ Fire Safe: API 607
◎ Pressure Test: API598,API 6D,GB/T 13927,JB/T 9092, GOST 9544
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