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021-57670811
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A removeable stainless steel float enclosed in a flanged carbon steel chamber is featured in the durable, field proven 1241 series. External side mount series includes 1" NPT process connections as standard or 1" flanges as options. Pressure and temperature limits are 1440 psi (99 bar) at 100°F (38°C) and 1275 psi (87.9 bar) at 475°F (246°C). Minimum specific gravity for all models is 0.60. The models shown can be ordered with a variety of electrical arrangements including SPST, SPDT, or DPDT circuits in hermetically sealed snap action or mercury contacts. Switches can be ordered open on level rise or fall. Single pole double throw electrically independent circuits are available as well as low current or high DC current applications. A full range of enclosures are offered including general purpose NEMA-1; weatherproof NEMA-4X; (explosion-proof) and (explosion-proof - vapor-proof) groups B, C, D, E, F, G, NEMA-7-9.

Long life and reliable operation is inherent in the design of the 205 series. The heavy duty welded carbon steel chamber provides a control to operate up to 1250 psi (86 bar) and process temperature up to 650°F (343°C), 400°F (205°C) at the electrical head assembly. The use of an external magnet reduces the possibility of magnetic particle build up inside the armature tube and subsequent loss of operation as may occur with the internal magnet repulsion design. Choice of construction provides equipment suitable for specific gravity as low as (0.75). Electrical requirements are met by use of hermetically sealed snap action or mercury switches in a variety of actions including SPST, SPDT, DPDT and DPST arrangements. Optional circuits are available for low current/voltage DC; high current DC; or high temperature applications. Check the current chart for the switch best suited for your application. Standard process connections are combination 1" NPT and 1" socket weld hubs. Flanged connections are offered as an option. Contact factory for ANSI B31.1.

1221/1223/1224系列 法兰外 室式液位开关为比重液体而设计,它性能优异,特别能适用于低到0.40比重的液体。这款液 位开关为法兰外室是,可移除的不锈钢浮子,便于安装和检修维护。它在100°F (38°C)温度下耐压1000 psig (69 bar) ,在 475°F (246°C)温度下耐压850 psig (59 bar)。标准配置为1" NPT螺纹接头。可选焊 接或法兰连接方式。还可选单刀单掷,单刀双掷和双刀双掷,全密封 快开开关或水银开关。防护有普通型,全天候型,和防爆型。

215/217/218系列 法兰外 室式液位开关为可调回差的法兰连接式外室侧装式。有四种操作方式: 1. 单级可调回差,用于水泵控制, 2. 双极上位固定,低位可 调用于水泵控制和高位报警,3.下位固定,上位可 调用于水泵控制,低位报警,4. 高低位 固定式用于高低位报警。可选液位范围12",24",36"或48"。

Low minimum specific gravity of 0.40 and rugged flanged chamber for inspection purposes helps insure superior long term performance. Control can be used at maximum process pressure of 450 psig (31 bar) at 100°F (38°C), and 300 psig (21 bar) at 500°F (260°C). Standard 1" NPT connections are provided for mounting. 19 socket weld hubs or 1" flanges are available as options. Hermetically sealed snap switch or mercury switches are provided in a variety of circuit configurations such as (SPST) (SPDT) or (DPDT). High or low DC applications can also be accommodated. General purpose, (weatherproof) (explosion-proof) (explosion-proof – vapor proof) enclosures are provided.

Heavy duty flanged chamber features removable float for ease of inspection and maintenance. The 221 Series also provides 1" NPT for standard external mounting. Socket weld hubs or flanges are optional. Rugged C1-75 construction is suitable for operation at 1000 psi (69 bar) at 100°F (38°C), and 850 psig (59 bar) at 475°F (246°C) with a minimum specific gravity of 0.75. C1-60 construction is suitable for operation at 600 psig (41 bar) at 100°F (38°C), and 550 psig (38 bar) at 475°F (246°C) with a minimum specific gravity of 0.60. Models featured can be ordered with various circuits including SPST, SPDT, or DPDT with hermetically sealed snap action or mercury contacts. A full range of enclosures are available including general purpose, (weatherproof) (explosion-proof) (explosion-proof – vapor proof).

A removable stainless steel float enclosed in a flanged carbon steel chamber is featured in the durable, field proven 211 Series. External side mount series includes 1" NPT process connections as standard, or with socket weld hubs; or, 1" flanges as options. Pressure and temperature limits are 450 psi (31 bar) at 100°F (38°C), and 300 psi (21 bar) at 500°F (260°C). Minimum specific gravity for all models is 0.60. The models shown can be ordered with a variety of electrical arrangements including SPST, SPDT, or DPDT circuits in hermetically sealed snap action or mercury contacts. Switches can be ordered open on level rise or fall. Single pole double throw electrically independent circuits are available as well as low current or high DC current applications. A full range of enclosures are offered including general purpose NEMA 1; weatherproof NEMA 4X; (explosion-proof) and (explosion-proof/vapor-proof) Groups B, C, D, E, F, G, NEMA 7, 9.

独特的设计, 移除四 个螺栓就能很容易检查浮子和腔体的清洁状况和磨损状态,而无需 拆卸管线或电路接线。102系列可耐压 400 psi (28 bar)和耐温425华氏度(218摄氏度),液体*小比重为0.6。1102系列耐温和耐压相同,可监测比重低至0.4的液体。它们都 带有不锈钢浮子,可选铸铁,铸钢,或316铸钢腔体。这款液 位开关常用于压力或真空的应用场合,特别是 经常需要维护检修的地方。可选择 全密封的快开开关或水银开关,以及各 种开关类型的组合:单刀单掷,单刀双掷,双刀双掷,双刀单掷。 还可选低电流,低电压,高电流,高温等应用选项。外壳防护也有普通型,全天候型,防爆型。 102还带有三个1" NPT连接口 用于上下侧面安装,或上侧下底安装。 当用于 上下侧面安装时,底部的1" NPT连接口用作排放口。

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