防爆截止閥
高壓截止閥,外螺紋截止閥,內(nèi)螺紋截止閥
性能規(guī)范Specifications
公稱壓力PN Nominal pressure 2.5 4.0 6.4 16 25 32 MPa 殼體試驗(yàn)壓力Shell test pressure 3.75 6.0 9.6 24 37.5 48 高壓密封試驗(yàn)壓力High pressure seat test 2.75 4.4 7.04 17.6 27.5 35.2 低壓氣密封試驗(yàn)壓力Low pressure seat test 0.5～0.7 適用介質(zhì)Applicable medium C,I水、油品、蒸汽Water,oil,steam P硝酸類Nitric acid R醋酸類Acetic acid 適用溫度Applicable temperature C P,R I ≤450℃ ≤560℃ ≤540℃
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