067B2790膨脹閥閥芯 067B2789 丹佛斯閥門
?Applicable to HCFC, non flammable HFC, R717 (Ammonia) andR744 (CO2). ? Suitable for "heavy duty" industrialapplications having a very sturdy and safe design includinghigh pressures and wide temperature range. ? The SNV-ST andSNV-SS valves have backseating (metal to metal). ? Compactand light valve for easy handling and installation ? Nospecial flow direction required. ? Provide high flowcharacteristics. ? Each valve type is clearly marked with type andsize. ? Housing and bonnet material is low temperaturesteel (stainless steel for SNV-SS) according to requirementsof the Pressure Equipment Directive and other internationalclassification authorities.
丹佛斯閥門適用于各種不可燃制冷劑(包括氨)及無腐蝕 性氣體 /液體介質(zhì),適合二氧化碳系統(tǒng)。可以用于化工和石油化工方面
模塊概念:配備 SVL系列通用閥座,可隨意更換 SVL管路 元件平臺的各類功能模塊迅速便捷的閥門檢修服務(wù),便于更換頂部功能模塊且無需焊接
可選配件:- 適于頻繁進(jìn)行開關(guān)操作的手輪 - 適于非頻繁開關(guān)操作的閥帽
分為角型和直通型兩種,包括標(biāo)準(zhǔn)版及便于保溫的長頸版(DN 15至 DN 40)
每個閥門上都清楚標(biāo)注著型號、尺寸和性能范圍■ 閥體和閥帽之間易于采用鉛封絲進(jìn)行鉛封以 防截止閥未經(jīng)允許出現(xiàn)誤操作情況
內(nèi)部金屬背封功能:- DN 6 – 65(? - 2? in.) 內(nèi)部 PTFE 背封功能: - DN 80 – 200(3 - 8in.)
雙向流功能設(shè)計
閥座和閥帽材料為符合PED壓力設(shè)備指令和 其他標(biāo)準(zhǔn)要求的低溫鋼
配備不銹鋼螺釘
工作壓力:52bar g (754 psi g)
溫度范圍:–60℃/+150℃ (–76℉
067B2790 膨脹閥閥芯 067B2789 丹佛斯閥門