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WSS series bimetallic thermometer
WSS bimetallic thermometer is a measuring instrument that uses metal sheets as temperature sensing elements, which can directly measure the temperatur
Product details
★ Functional Features
On site temperature display, sensitive response, clear indication, linear scale, multi view, intuitive, convenient, safe and reliable, with a long service life
The core pulling thermometer can be maintained or replaced for a short period of time without stopping the machine.Axial type, radial type, 135. There are a complete range of types such as universal type and universal type, which are suitable for various on-site installation needs.★ Working principleThe main component of WSS bimetallic thermometer is a multi-layer metal sheet composed of two or more metal sheets stacked together. To improve temperature sensitivity, metal sheets are usually made into a spiral coil shape. When the temperature of multi-layer metal sheets changes, the expansion or contraction of each layer of metal is uneven, causing the spiral coil to roll up or loosen.
Due to one end of the spiral coil being fixed and the other end being connected to a freely rotating pointer, when the bimetallic strip senses a temperature change, it expands and rotates due to heat, driving the pointer to rotate. The pointer can indicate the corresponding temperature value on a circular scale.
★ Specifications and Parameters
WSS series bimetallic thermometer
Measurement range:- 60～500℃
Accuracy level: 1.5, basic error: limited to 1.5% of the range
Indicator section of thermometer: (indicated by the outer diameter of the thermometer dial) divided into ø 60 ø 100 ø150mm
Tail pipe length: 100-2000mm
Tail pipe diameter: ø 6, ø 10, (when tail pipe length is 100-1250mm) ø 12 (when tail pipe length is 1250-2000mm)
Installation thread: M16 × 1.5; M27×2； G1/2； G3/4。 The material of the tailpipe and fixed bolt joints is 1Cr18Ni9Ti stainless steel, with a pressure resistance of 6.4Mpa.
Waterproof performance: The shell of the thermometer should be able to withstand spraying water with a nozzle diameter of 25 millimeters from a distance of 5 meters (with a water pressure of not less than 2 kg/cm2 before the nozzle outlet) for 5 minutes without any water seeping into the interior of the thermometer shell. Compliant with IP65 standard.
WSSX series electric contact bimetallic thermometer
Measurement range:- 60～500℃
The accuracy level is 1.5 times, and the difference limit of the contact action error is 1.5 times the basic error limit of the indication
Indicator section of thermometer: (indicated by the outer diameter of the thermometer dial) divided into ø 60 ø 100 ø150mm
Tail pipe length: 100-2000mm
Contact rated power: 10VA
Contact high working voltage:~ 380V or 220V
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Contact high working current: 1A (no inductive load)
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The working voltage should be used when it is greater than 15V and less than 48V
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Selection instructions: a. Model; b. Dial diameter; c. Accuracy level; d. Installation fixed form; e. Temperature measurement range; f. Length or insertion depth. Example A: Universal type, dial diameter 100, temperature measurement range 0-400 ℃, 1.5 levels, movable external thread: M27 × 2, length 450mm, WSS-481, 0-400 ℃, L=450mm, M27 × 2.
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Product Introduction
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WSS
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series
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Bimetal thermometer
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It is an on-site detection instrument for measuring low to medium temperatures. Bimetallic thermometers can directly measure the temperature of liquid, vapor, and gas media within the range of -80 ℃ to+500 ℃ in various production processes.
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Main features
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On site temperature display, intuitive and convenient; Safe and reliable, with a long service life;
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Multiple structural forms can meet different requirements.
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Working principle
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A bimetallic thermometer is composed of bimetallic sheets wound in a circular curved shape. When one end expands due to heat, it drives the pointer to rotate, and the working instrument displays the corresponding temperature value.
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Technical Parameter
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Execution standards
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JB/T8803-1998 GB3836-83
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Other
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Scale dial nominal diameter: 60100150
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Accuracy level: （1.0），1.5
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Thermal response time: ≤ 40S
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Protection level: IP55
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Angle adjustment error: The angle adjustment error should not exceed 1.0% of its range
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Return difference: The return difference of the bimetallic thermometer should not exceed the absolute value of the basic error limit
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Repeatability: The repeatability limit range of bimetallic thermometers should not exceed 1/2 of the absolute value of the basic error limit
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Measuring range
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Measurement range ℃
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scope of application
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Industrial and Commercial
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Laboratory, small
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-80～+40
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√
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√
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-40～+80
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√
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√
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0~50
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√
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√
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0~100
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√
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√
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0~150
√
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√
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0~200
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√
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√
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0~300
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√
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√
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0~400
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65
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23
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73
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√
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75
100 150 200 300 400 500 750 1000 |
√
0~500 √ |
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105
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23
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73
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√
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155
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23
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73
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Normal working weather conditions
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workplace
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65
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50
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110
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34
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105
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50
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110
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34
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105
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50
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110
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34
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Temperature ℃
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105
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23
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85
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Relative humidity%
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155
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23
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85
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sheltered location
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-25～+55
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105
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23
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178
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120
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155
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23
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178
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120
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5~100
Outdoor places
| -40～+85 |
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| 5~100 | |
| Measurement end form |
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| Shape and size | |
| form |
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| A | |
| B |
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C
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E
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L
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d
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Axial type
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-
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Φ6
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Φ8
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Φ10
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-
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-
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RADIAL
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135 ° oriented
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-
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-
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Universal type
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Installation fixed form
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Movable external threaded pipe joint
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MHSWdM16×1.51218Φ6Φ8Φ10M20×1.51622M27×22030NPT1/41518NPT1/21922NPT3/42530
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Movable internal thread pipe joint
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MHSWdM16×1.51218Φ6Φ8Φ10M20×1.51622M27×22030NPT1/41518NPT1/21922NPT3/42530
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Fixed threaded pipe joint
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MHSWdM16×1.51218Φ6Φ8Φ10M20×1.51622M27×22030NPT1/41518NPT1/21922NPT3/42530
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Card sleeve threaded joint
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MHSWdM12×1.51519Φ6M16×1.51522Φ8M20×1.51624Φ10
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Card sleeve flange joint
D |
D0
D1
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| Φ60 | -3 | Φ42 | |||||||||||
| -4 | Φ24 | ||||||||||||
| -5 | Φ22 | ||||||||||||
| Φ9 | 0 | Φ8 Φ10 | |||||||||||
| 1 | Flange | ||||||||||||
| 2 | D | ||||||||||||
| 8 | D1 | ||||||||||||
| D2 | 0 | H | |||||||||||
| 1 | d0 | ||||||||||||
| 2 | d | ||||||||||||
| 3 | Φ105 | ||||||||||||
| 4 | Φ75 | ||||||||||||
| 5 | Φ55 | ||||||||||||
| 6 | Φ16 | ||||||||||||
| Φ14 | Φ8 | Φ10 | |||||||||||
| Note: ANSI, JB, HG and other standard flanges can be provided. | Selection code | ||||||||||||
| model | WSS | ||||||||||||
Bimetal thermometer
Nominal diameter of dial
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Φ60
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Φ100
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Φ150
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Dial form
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Axial (straight)
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Radial (angular)
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135 ° direction (obtuse angle type)
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Wanxiang (adjustable angle type)
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Installation fixed form
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No fixed device
Movable external thread Movable internal thread Fixed thread Flange Ferrule thread Card sleeve flange |
1.5
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Protection form
304 316 - Common |
W
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75
100 150 200 300 400 500 750 1000 |
Protective type
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F
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Anticorrosive type
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Model and specifications
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Axial bimetallic thermometer
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model
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Measuring range
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accuracy class
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Protective tube material
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specifications
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Installation fixed form
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D
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L
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WSS-300
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-80～+40
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-40～+80
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0~50
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0~100
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0~150
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0~200
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0~300
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1Cr18Ni9Ti
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316L
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Ha Shi C-276
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Φ60
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No fixed device
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WSS-400
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Φ100
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WSS-500
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Φ150
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WSS-301
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Φ60
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Movable external thread
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WSS-401
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Φ100
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WSS-501
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Φ150
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WSS-302
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Φ60
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Movable internal thread
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WSS-402
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Φ100
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WSS-502
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Φ150
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WSS-303
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Φ60
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Fixed thread
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WSS-403
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Φ100
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WSS-503
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Φ150
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WSS-304
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Φ60
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Flange
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WSS-404
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Φ100
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WSS-504
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Φ150
WSS-305 Φ60 Ferrule thread WSS-405 Φ100 WSS-505 Φ150 WSS-306 |
1.5
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Φ60
304 316 WSS-406 Φ100 |
Card sleeve flange
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75
100 150 200 300 400 500 750 1000 |
WSS-506
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Φ150
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Radial bimetallic thermometer
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model
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Measuring range
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accuracy class
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Protective tube material
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specifications
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Installation fixed form
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D
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L
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WSS-310
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-80～+40
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-40～+80
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0~50
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0~100
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0~150
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0~200
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0~300
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0~400
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0~500
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1Cr18Ni9Ti
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316L
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Ha Shi C-276
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Φ60
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No fixed device
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WSS-410
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Φ100
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WSS-510
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Φ150
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WSS-311
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Φ60
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Movable external thread
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WSS-411
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Φ100
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WSS-511
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Φ150
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WSS-312
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Φ60
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Movable internal thread
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WSS-412
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Φ100
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WSS-512
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Φ150
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WSS-313
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Φ60
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Fixed thread
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WSS-413
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Φ100
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WSS-513
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Φ150
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WSS-314
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Φ60
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Flange
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WSS-414
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Φ100
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WSS-514
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Φ150
WSS-315 Φ60 Ferrule thread WSS-415 Φ100 WSS-515 Φ150 WSS-316 |
1.5
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Φ60
304 316 WSS-416 Φ100 |
Card sleeve flange
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75
100 150 200 300 400 500 750 1000 |
WSS-516
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Φ150
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135 ° directional bimetallic thermometer
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model
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Measuring range
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accuracy class
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Protective tube material
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specifications
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Installation fixed form
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D
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L
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WSS-420
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-80～+40
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-40～+80
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0~50
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0~100
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0~150
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0~200
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0~300
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0~400
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0~500
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1Cr18Ni9Ti
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316L
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Ha Shi C-276
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Φ100
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No fixed device
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WSS-520
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Φ150
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WSS-421
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Φ100
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Movable external thread
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WSS-521
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Φ150
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WSS-422
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Φ100
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Movable internal thread
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WSS-522
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Φ150
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WSS-423
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Φ100
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Fixed thread
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WSS-523
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Φ150
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WSS-424
Φ100 Flange WSS-524 Φ150 WSS-425 Φ100 Ferrule thread WSS-525 |
1.5
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Φ150
304 316 WSS-426 Φ100 |
Card sleeve flange
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75
100 150 200 300 400 500 750 1000 |
WSS-526
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Φ150
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Universal bimetallic thermometer
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model
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Measuring range
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accuracy class
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Protective tube material
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specifications
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Installation fixed form
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D
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L
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WSS-480
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-80～+40
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-40～+80
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0~50
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0~100
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0~150
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0~200
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0~300
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0~400
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0~500
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1Cr18Ni9Ti
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316L
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Ha Shi C-276
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Φ100
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No fixed device
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WSS-580
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Φ150
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WSS-481
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Φ100
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Movable external thread
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WSS-581
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Φ150
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WSS-482
Φ100
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