产品名称：EP-3222Electro-Pneumatic Positioner

3

系 列

Series

3

0

0

0

防爆（防护）结构

Ex.enclosure

1

2

3

耐压防爆型（隔爆型）d ExdlllBT6 Explosion proof type

本质**型（本安型）I ExiallCT6 Intrinsically safe explosion proof type

室外防水型（增安型）e ExellT6、lP55  Weather proof type

反馈（动作）方式

Feedback style

1

2

直行程执行机构用：标准型Linear:Feedback for standard lever

角行程（直连式回转轴）执行机构用:标准型Rotary:Feedback for lever

作用型式Action type

1

2

单动作型执行机构用（单作用）For single acting type

双动作型执行机构用（双作用）For double acting type

辅件Accessories

21

带关联匹配　气压控制器Matched decompressor valve

系　　列 Series

EP 3000

输入信号 Input signal

4~20mA DC                  The split range is possible by span

可进行分程控制 adjustment and zero adjustment

调整范围：4~12、12~20mA DC  Adjustment range:4~12、12~20mA DC

输入阻抗Input impedance

250Ω±5%at25℃

输出特性Output Characteristic

线性（标准型）                Linear(standard)

放大器 Relay

单动作型执行机构和双动作型执行机构兼用，Non-bleeding type.

单动作正作用型放大器易变换成反作用型放 Single acting and double acting types

大器（输入信号增加，输出气压相应减小） are available.

气源压力 Air supply

0.14~0.7MPa(140~700KPa)

输出压力 Output pressure

0~0.7 MPa(0~700KPa)

耗气量 Air consumption

输出气压50%时的耗气量。 At output air pressure 50%

单动作型 Single acting type:5NI/min at 140 kpa air supply

双动作型 Double acting type:15NI/min at 400kpa air supply

大处理容量Max.capacity

输出侧气源放空时 Capacity when output is atmospheric venting.

单动作型 Single acting type:175NI/min at 140kpa air supply

双动作型 Double acting type:400NI/min at 400kpa air supply

性   能Performance

单动作型执行机构 For single acting actuator

直　线　性 Linearity∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙±1.0%of Full stroke

滞　　　后 Hysteresis∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙0.5%of Full stroke

灵　敏　度 Response level∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙0.1% of Full stroke

重　复　精　度 Repeatability∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙0.2% of Full stroke

气源压力变动误差 Supply pressure effect∙∙∙∙∙∙∙∙∙∙∙0.1%10Kpa            

双动作型执行机构 For double acting actuator             

直　线　性 Linearity∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙±1.5% of Full stroke

滞　　　后          Hysteresis∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙0.8% of Full stroke

灵　敏　度 Response level∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙0.2% of Full stroke

重　复　精　度 Repeatability∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙0.3% of Full stroke

气源压力变动误差 Supply pressure effect∙∙∙∙∙∙∙∙∙∙∙0.4%10Kpa

上述各数值是指在不连接阀门的情况下执行机构的性能。

The above data represent the performance of the positioner on an actuator without a valve.

气源接口 Air connection

Rc 1/4  NPT1/4

电气接口 Wiring connection

G 1/2   NPT1/2

环境温度Ambient temperature

标准型 Standard type               -20~+80℃

湿度范围Ambient humidity range

10~90%RH

结构形式Enclosure

耐压防爆型（隔爆型）d Ex dllBT6   Explosion proof type(Ex d ll BT6)

本质**型（本安型）I Ex iallCT6  Intrinsically safe explosion proof type(Ex iall CT6)

室外防水型（增安型）e Ex ellT6、lp55、lp65  Waterproof type(Ex ellT6、lp55、lp65)

附属机构Standard auxiliary

自动-手动切换装置Auto-Manual switch

外壳材料 Housing material

铝合金Aluminum alloy

表面涂层 Coating

喷塑Spray plastics

标准涂层色 Coating colors

黑沙色 Black of gray

黑　色 Black

重　　量 Approx.weight

2.3kg~3kg

附加规格Optionalspecifications

根据客户要求制作Available upon request

电气接口 Wiring connection

1/2NPT(室外防水型For waterproof only)

耐压填料式Packing cable gland(耐压防爆型For explosion proof only)

密封接头式Sealing fitting(耐压防爆型For explosion proof only)

**栅Safety device

齐纳**栅Zener barrier(Exia ll C)

压力表刻度Pressure gauge

Mpa、Kpa、Bar、Psi

输出特性Output characteristic

等百分比Equal percentage

气源接口Air supply connection

1/4NPT