v803c阀专为与prvar10执行器共同使用而设计，适宜的冷水和热水温度范围在-5°c…+150°c之间。也可使用其他品牌的执行器。 v803c, designed to be used together with prvar10 actuator (or other brand actuator), it can be used among the water temperature range from -5°c to +150°c. 技术数据 technical parameter 流量特性 flow characteristic 等百分比 equal percent 大压差 max. differential pressure 1.6mpa 行程 stroke 20mm 介质温度 medium temperature -5°c…+150°c 介质 medium 热水、冷水、乙二醇与水的混合液体 hot water, cool water, mixture of ethylene glycol and water 可调范围 adjustable range 100:1 大泄露 max. leak kvs 0.05% 压力等级 pressure level pn25 连接形式 connecting bspt内螺纹连接 bspt internal thread 材质 material 阀体 valve body 青铜 bronze 阀塞 valve plug 铜合金 copper alloy 阀杆、阀座 valve rod, valve seat 不锈钢304 stainless steel 304 阀盖 valve deck 青铜 bronze 密封件 sealing element 增强ptfe v形环（混合石墨），可更换其他密封件 enhanced ptfe v ring (mix graphite), other sealing element is optional. o型圈 o-ring 橡胶 fpm 型号 model no. 阀门 valve 规格 specification kvs 执行器 actuator 密封套件 sealing element 关闭压差 closed differential pressure (kpa) v803c73004 3通 three-way dn25 10 prvar10 pvr-25 1000 v803c18012 3通 three-way dn32 18.7 prvar10 pvr-25 800 v803c25020 3通 three-way dn40 31 prvar10 pvr-40 400 v803c40038 3通 three-way dn50 47 prvar10 pvr-40 300 v803c173004 3通（蒸汽） three-way (steam) dn25 10 prvar10 pvr-25 1000 v803c118012 3通（蒸汽） three-way (steam) dn32 18.7 prvar10 pvr-25 800 v803c125020 3通（蒸汽） three-way (steam) dn40 31 prvar10 pvr-40 400 v803c140038 3通（蒸汽） three-way (steam) dn50 47 prvar10 pvr-40 300