PG23LT德国wika低温压力表

德国wika低温压力表PG23LT（-70-60℃）波登管压力表，不锈钢材质，适用于零下70℃的极低环境温度工况，充液型。
Standard version
Nominal size (NS) in mm [in]：63 [2 ½"], 100 [4"], 160 [6"]
Accuracy class
NS 63 [2 ½"]: 1.6
NS 100 [4"], 160 [6"]: 1.0
Scale ranges：0 ... 0.6 to 0 ... 1,000 bar [0 ... 10 to 0 ... 15,000 psi]
or all other equivalent vacuum or combined pressure and
vacuum ranges
Pressure limitation
NS 63 [2 ½"]
Steady: 3/4 x full scale value
Fluctuating: 2/3 x full scale value
Short time: Full scale value
NS 100 [4"], NS 160 [6"]
Steady: Full scale value
Fluctuating: 0.9 x full scale value
Short time: 1.3 x full scale value
Permissible temperature
Ambient: -70 ... +60 °C [-94 ... 140 °F]
Medium: ≤ 100 °C [≤ 212 °F]
Temperature effect
When the temperature at the measuring system deviates
from the reference temperature 20 °C [68 °F]: ≤ ±0.4 %/10 °C
[≤ ±0.4 %/18 °F] of full scale value
Ingress protection per IEC/EN 60529
IP65 for scale ranges ≤ 0 ... 40 bar [≤ 0 ... 580 psi]
IP66/IP67 for scale ranges > 0 ... 40 bar [≤ 0 ... 580 psi]
For further information on the ingress protection, see Technical information IN 00.18.
Process connection
Stainless steel 316L
Lower mount (radial) or lower back mount
■ G ¼ B (male), SW 14 (only NS 63 [2 ½"])
■ G ½ B (male), SW 22 (not for NS 63 [2 ½"])
■ ½ NPT (male), SW 22 (not for NS 63 [2 ½"])
■ M20 x 1.5 (male), SW 22 (not for NS 63 [2 ½"])
Pressure element
Stainless steel 316L
< 100 bar [≤ 1,450 psi]: C-type
≥ 100 bar [≥ 1,450 psi]: Helical type
Movement：Stainless steel
Dial：Aluminium, white, black lettering
Pointer：Aluminium, black
Case：Stainless steel, scale ranges ≤ 0 ... 40 bar [≤ 0 ... 580 psi]
with compensating valve to vent case
Window：Laminated safety glass
Ring：Bayonet ring, stainless steel
Case filling：Silicone oil
Options
■ Sealings for the process connection (model 910.17, see
data sheet AC 09.08, stainless steel recommended as
sealing material)
■ Safety level “S3” with solid baffle wall and blow-out back
per EN-837-1, for lower mount (radial)
■ Panel mounting flange, stainless steel
■ Surface mounting flange, stainless steel
■ Red mark printed on the dial
■ Mark pointer on bayonet ring adjustable from the outside
with NS 100 [4"]
威卡PG23LT压力表的应用
-70 °C（-94 °F）的户外低温环境
适用于在腐蚀性环境下，非高粘稠和结晶的腐蚀性气体或液体介质
石油天然气、化工石化
威卡PG23LT压力表的功能特性
特殊设计，能承受-70 °C（-94 °F）环境温度
防护等级可达IP66/IP67
全不锈钢结构
测量范围：0...0.06 MPa 至 0...100 MPa
可选配置：安全版本“S3”，符合EN837-1标准
威卡PG23LT压力表的描述
PG23LT高品质压力表专为超低温环境应用设计，可用于-70 °C（-94 °F）低温。适用于极寒区域，例如俄罗斯、加拿大、斯堪的纳维亚和中国。
这款产品主要用于石油天然气、石化行业。常应用于石油天然气运输管线和泵站设备。
由于产品使用低温设计、带特殊密封件且充液，使PG23LT压力表能够满足-70 °C（-94 °F）的低温户外环境应用。当量程大于0...4 MPa，该仪表能可同时满足IP66和IP67防护等级的各项要求。
该产品适用环境温度可低至-70 °C（-94 °F），这已经过威卡（WIKA）实验室测试验证，并可提供一份2.2测试报告。