Wika 213.53 Bourdon Tube Pressure Gauge Copper Alloy Stainless Steel Case
The liquid-filled model 213.53 mechanical Bourdon tubepressure gauge is constructed with a case from stainlesssteel and wetted parts from copper alloy.
Description
The liquid-filled model 213.53 mechanical Bourdon tubepressure gauge is constructed with a case from stainlesssteel and wetted parts from copper alloy.
WlKA manufactures and qualifies the pressure gauge inaccordance with the standards EN 837-1 and ASME B40.100As a safety function, this instrument has a blow-out device.Inthe event of a failure, overpressure can escape there.
Due to the case filling, the pressure element and movementare efficiently damped,Therefore, these instruments areparticularly suited to measuring locations with high dynamicloads, such as fast load cycles or vibrations.
The cases of the model 213.53 are available in nominalsizes of 50 [2″], 63 [2 ½”]and 100 [4″] and fulfil lP65 ingressprotection.With an accuracy of up to class 1.0, this pressuregauge is suitable for a wide range of applications in industry.
For mounting in control panels, the pressure gauges with aback mount process connection can be fitted with a mountingflange or with a triangular profile ring and mounting bracket.
Specifications
| Basic information | |
| Standard |
EN 837-1
ASME B40.100
|
| For information on the”Selection, installation, handling and operation of pressuregauges”,see technical information lN 00.05. | |
| Further version | Special design, model 213.57 |
| Nominal size(NS) |
Φ50 mm [2″]
Φ63 mm [2 ½”]
Φ100 mm [4″]
|
| Connection location |
Lower mount (radial)
Centre back mount (only for NS 50 [2″1 and N$ 63 [2 ½”1)
Lower back mount (only for NS 100 [4″])
|
| Window |
Plastic,crystal-clear
Laminated safety glass
|
| Case | |
| Design | NS 50 [2″], 63 [2 ½”], Safety level“S2″ per EN 837-1: With blow-out device |
| NS 100 [4″], Safety level”S1″ per EN 837-1:With blow-out device | |
|
Position of blow-out device:NS 50 [2″1: Case back, at 12 o’clock
NS 63 [2 ½”1,100 [4″1:Case circumference, at 12 o’clockFilling plug can be vented and resealed for internal pressure compensationSealing towards process connection with O-ring
|
|
| Material |
Stainless steel, natural finish
|
| Ring |
Crimp ring, stainless steel
|
| Mounting |
Without
Panel mounting flange, stainless steel
Panel mounting flange, polished stainless steel
Triangular profile ring with mounting bracket, polished stainless steel
Surface mounting flange, stainless steel
|
| Case filling |
Glycerine
Glycerine-water mixture for scale range ≤ 0 … 2.5 bar [≤ 0 … 40 psi]
Silicone oil
|
| Movement |
Copper alloy
|
| Measuring element | ||
| Type of measuring element |
Bourdon tube, C-type or helical type
|
|
| Material |
|
|
| NS 50 [2″] | ≤ 600 bar | Copper alloy |
| > 600 bar | Stainless steel 316L | |
| NS 63 [2 ½”], NS 100 [4″] | ≤400 bar | Copper alloy |
| >400 bar | Stainless steel 316L | |
| Leak tightness | Leakage rate:< 5 .10-3 mbar l/s | |
| Accuracy specifications | ||
| Accuracy class | ||
| NS 50 [2″], 63 [2 ½”] | EN 837-1 | Class 1.6 |
| ASME B40.100 | ±2 % | ±1% | +2 % of measuring span (grade A) | |
| NS 100 [4″] | EN 837-1 | Class 1.0 |
| ASME B40.100 | +1%of measuring span (grade 1A) | |
| Temperature error | On deviation from the reference conditions at the measuring system.≤ ±0.4 % per 10 “C [≤ ±0,4 % per 18 °F] of full scale value | |
| Reference conditions | ||
| Ambient temperature | +20 °C [68 °F] | |
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