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38R系列自动温度控制阀不需要外部电源，适用于调节储罐、工艺流程和各种工业设备的温度。 执行机构采用坚固的压铸铝外壳，具有全封闭的波纹管总成和内部超量程保护。 阀门有1/2"到6"的连接通径和1/8"到6"的端口通径。 这种阀体有单阀座直接作用或反向作用、双阀座直接作用或反向作用三种结构形式，阀体材料有四种选择:青铜、铸铁、铸钢和316不锈钢。 执行机构有或没有指示刻度盘，也有故障保险装置。 非指示执行机构具有较低的轮廓，当指示执行机构允许操作员验证工艺温度并帮助温度调整时，应在可能存在空间限制的地方实施。 故障安全执行机构的设计目的是，如果终端系统发生意外损坏，导致压力负荷损失，则会导致阀门在安全控制位置(冷却时开启，加热时关闭)出现故障。 38R系列还可提供各种毛细血管、和温度计套管。
| EXAMPLE | 38R | D | A1 | V | A | 3 | 2 | 1 | 01 | 08 | 1 | R01 | Series 38R-DA1VA32-101081-R01 Self-Acting Temperature Control Valve, 2-way, direct acting, 1/2" connection with 1/8" port, single seat, linear, bronze body, 316SS trim, non-indicating actuator, brass union hub, copper bulb & 8' capillary, 316SS well, range 20 to 70°F. |
| SERIES | 38R | Self-Acting Temperature Control Valve | |||||||||||
| ACTION | 0 3 D R |
Replacement Actuator Only 3-way 2-way Direct Acting 2-way Reverse Acting |
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| CONNECTION & PORT SIZE | A1 A2 A3 A4 B1 B2 B3 B4 B5 C1 C2 C3 C4 C5 C6 00 01 02 03 04 05 06 07 08 09 10 |
1/2" Connection with 1/8" Port 1/2" Connection with 3/16" Port 1/2" Connection with 1/4" Port 1/2" Connection with 3/8" Port 3/4" Connection with 1/8" Port 3/4" Connection with 3/16" Port 3/4" Connection with 1/4" Port 3/4" Connection with 3/8" Port 3/4" Connection with 1/2" Port 1" Connection with 1/8" Port 1" Connection with 3/16" Port 1" Connection with 1/4" Port 1" Connection with 3/8" Port 1" Connection with 1/2" Port 1" Connection with 3/4" Port 1/2" Full Port 3/4" Full Port 1" Full Port 1-1/4" Full Port 1-1/2" Full Port 2" Full Port 2-1/2" Full Port 3" Full Port 4" Full Port 5" Full Port 6" Full Port |
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| VALVE SEAT | 0 V W |
Replacement Actuator Only Single Seat Double Seat |
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| VALVE PLUG TYPE (Internal) |
0 A |
Replacement Actuator Only Linear |
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| BODY MATERIAL | 0 1 2 3 4 |
Replacement Actuator Only Cast Iron Cast Steel Bronze 316SS |
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| TRIM MATERIAL (Internal) |
0 1 2 |
Replacement Actuator Only Bronze 316SS |
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| ACTUATOR | 0 1 2 3 |
Replacement Body Only Non-Indicating Indicating Fail-Safe |
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