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Dewar used in petroleum logging

1. Overview
The Dewar used in petroleum logging which is produced by our company is applied to oil exploration, well logging, geological measuring devices, and cutting off high temperature environment for detectors and electronic components. According to the users' requirements, our company can provide all kinds of Dewars used in petroleum logging: inner diameter range Φ14 ~ Φ75, outer diameter range Φ26 ~ Φ88. 

2.Features
• High heat-absorbing material 
• Diamagnetic steel, non-magnetic steel
• Ultra-high vacuum unit
• Multi-layer bandaging structure of special process 

3. Technical specifications
The Dewar used in petroleum logging of our company can be divided into two types: standard specifications and special specifications.
● Technical specifications of standard Dewar used in petroleum logging:
● Vacree provides customized dewar flasks according to customers’ special need for size and temperature conditions.
  

Specification

Outside diameter (mm)

Inside diameter

(mm)

Total length (mm)

Magnetic requirment

Environmental temperature()

Working time(h)

Inner temperature

()

JP35/28

35

28

1937

No Magnetic

260

3

130

JP36/30

36

30

1370

Magnetic

180

4

60

JP55/45

55

45

1200

Magnetic

200

4

60

JP68/55

68

55

2400

Magnetic

200

4

60

JP73/61

73

61

2400

Magnetic

200

4

60

JP73/65

73

65

1300

Magnetic

200

4

70

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