J29型壓力表截止閥(Pressure gauge valve)(with Vent valve)
入口(Inlet):活接式內螺紋M20×1.5(或G1/2, M14×1.5),.Articulated female thread M20 x 1.5 (or G1/2, M14 x 1.5 )
出口(Outlet):活接式內螺紋M20×1.5(或G1/2, M14×1.5),.Articulated female thread M20 x 1.5 (or G1/2, M14 x 1.5 )
通徑(Orifice):DN3.DN6
排放孔(vent holes ):Ф3 mm
壓力等級(Working Pressure):6.4MPa—40MPa,3532PSi—6000PSi
適用溫度(Suitable temperature): -54℃—250℃, -54℃—450℃
材質(Materials): 316L.316SS.316H.304SS.321SS.1Cr18Ni9Ti.20#.A105.
.Duplex2205.Duper duplex2507.Monel.inconel.hastelloyc
針型閥是一種可以精確調整的閥門,用途較廣,比如火焰切割用的割距,調整火焰溫度的旋鈕就是針型閥。儀表針型閥是儀表測量管路系統中重要組成部分,主要有截止閥和球閥,其功用是作開啟或切斷管道通路用。針型閥的閥芯就是一個很尖的圓錐體,好象針一樣插入閥座,由此得名。