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Type 06388

Datasheet ID: CR_06388_1
Field of application

Applications:

Provided as safety device for protection against excessive pressure in stationary and moveable gas

cylinders and pressure vessels. Approved for air gases, vapours and cryogenic liquefied gases incl. LNG.

Working temperature: -196°C / -321°F (77K) up to +185°C / +365°F (458K), suitable for horizontal installation

Certificates
ASME Code (ASME Code Section VIII)
Pressure Equipment Directive (2014/68/EU)
Transportable Pressure Equipment Directive (2010/35/EU)
Gost Ukraine (Gost Ukraine)
License of Special Equipment (China) (TS)
ClassNK (Class Rules)
TÜV Verband (Approval mark number)
Korean Gas Safety (KGS)
BV (Class Rules)
RINA (Class Rules)
CCS (Class Rules)
Transportable Pressure Equipment Regulation 2009 (TPER 2009)
Data sheets
Operating Instructions
More Information
Solution LNG, Air Gases
Solution Area Transport, Storage, Refueling, Processes
SKU CR_06388_1
Materials

Materials

DIN EN

ASME/ASTM

1

Outlet body

CC491K

B 62 UNS C83600

2

Inlet body

1.4301

SA 479 Grade 304

3

Valve seal

PTFE / Carbon filled (25%)

PCTFE (d023)

4

Disc

CC493K

SB 505 UNS C93200

5

Guide plate

CC493K

SB 505 UNS C93200

5a

Guide plate from GW 1

CC453K

SB 103 UNS C52100

6

Stem

CW453K

SB 103 UNS C52100

7

Spring

1.4571

A 313 Grade 316Ti

8

Bonnet

1.4308

A 351 CF 8

9

Spring clamp

CW614N

B 455 UNS C38500

10

Thread ring

CW614N

B 455 UNS C38500

11

Cap

CW614N

B 455 UNS C38500
Versions

Type 06388

Technical data

Nominal size

GW

1/2

3/4

1/2

3/4

1

1-1/4

1-1/2

2

Orifice

d0

7.0

7.0

10.5

10.5

15.0

23.0

23.0

23.0

Dimension code

.X.

0704

0706

1004

1006

1510

2312

2314

2320

Set pressure range

bar

3.3-50.0

3.3-50.0

2.9-50.0

2.9-50.0

2.9-50.0

2.0-50.0

2.0-50.0

2.0-50.0

Outlet

GA

1

1

1

1

1-1/4

2

2

2

Height

H

140

140

140

140

157

218

218

216

Length

L1

14

16

14

16

18

20

20

25

Length

L2

36

36

36

36

42

56

56

54

Wrench size across flats

S1

30

30

30

30

41

55

55

65

Wrench size across flats

S2

41

41

41

41

50

70

70

70

Weight

ca. kg

0.78

0.80

0.76

0.79

1.27

3.05

3.10

3.30

Coefficient of discharge

αw

0.82

0.82

0.58

0.58

0.5

0.62

0.62

0.62

Coefficient of discharge

rated slope

0.862

0.862

1.517

1.517

2.769

7.55

7.55

7.55

Product Variants

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