波纹管系列

产品品牌：

上冶、沪航、吉泰

产品型号：

DWJ41--DWL41

连接形式：

法兰

材质：

铸钢

公称通径：

DN15--350 mm

适用介质：

各种高腐蚀化学介质

压力环境：

常压

工作温度：

常温

标准：

德标

外形：

中型

流动方向：

单向

驱动方式：

手动

类型(通道位置)：

直通式

用途 purose 　　德标波纹管截止阀适用于公称压力PN1.6～16MPa，工作温度-29～35O℃的石油、化工、制药、化肥、电力行业等各种工况的管路上，切断或接通管路介质，调节流量用。 Globe valve bellow seal acc.to DIN is applicable to the cutting and connection of pipelines medium that are used variousindustries such as petroleum chemical industry pharmacy chemical fertilizer electric power industry etc under nominal pressure of PN1.6～MPa and working temperature of -29～350℃ ■ 结构特点 Structural features 1.产品结构合理、密封可靠、性能优良、造型美观 2.密封面队焊钴基硬质合金、耐磨、耐腐、抗摩擦性能好、使用寿命长 3.阀杆调质及表面化处理，有良好的抗腐和抗摩擦性能 4.双重密封，性能更可靠 5.阀杆升降位置指示，更直观 6.零件材质，法兰和对焊锻尺寸可根据实际工况或用户要求合理选配，满足各种工程需要 7.阀芯可根据需要做成切断型和调节型 1.This product has logical structure reliable seal excellent erformance and nice design 2.The seal surface is build-up welding with Co hard alloy which is attrition-treatment corrosion-resistant has good friction resisranr and long life 3.The stem quenchedand tempered and its surface is treated by nitriding treatment thus ithas good corrosion resistant and friction tesistant 4.Lt has double seal capability thus is more reliable 5.The stem may show the position of lift thus it is clearer 6.The part material flange and butt weld end dimension may be selected according tocurrentoperating condition and users tequiremet so that meeting the erquirements of variousengineering 7.The valve can make in to cut off the type with re gulate the type according to the demand

■标准规范 Standard specificastion

结构形式 Structursl formation BB-BG-QS&Y 驱动方式 手动 Hand-operated 电动 Electric-actuated 设计标准 Design standard DIN3356 结构长度 Face to face DIN3202 连接法兰 Flange ends DIN2543-2545 试验和检验 Test & inspection DIN3230

注：系列阀门连接法兰可根据用户要求设计制造 Notes:The size of serial valve connecting flange can be design according to custoners reuirmemt

■产品性能规范 Products pergormance specification

公称压力（MPa） Nominal perssure 壳体试验压力（MPa） Shell test 密封试验压力（MPa） Sealing test 适用温度 ℃ Suitable temp 使用介质 Suitable madium 1.6 2.4 1.76 ≤350 ℃ 水、蒸气、油品等 Water oil & gas 2.5 3.75 2.75 4.0 6.0 4.4 6.4 9.6 7.04

■尺寸(mm)和重量(kg) Dimensions(mm) and weights(kg)