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Type 06420

Datasheet ID: CR_06420
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), with PCTFE-seal

up to +150°C / 302°F (423K), suitable for horizontal installation

Certificates
EAC - Eurasian Conformity (010/2011)
EAC - Eurasian Conformity (032/2013)
ABS (Class Rules)
20-2042586-PDA
Transportable Pressure Equipment Directive (2010/35/EU)
ASME Code (ASME Code Section VIII)
Canadian Registration Number (CRN)
Gost Ukraine (Gost Ukraine)
License of Special Equipment (China) (TS)
ClassNK (Class Rules)
Gas Cylinder Rules 2016 (India) (GCR 2016)
Korean Gas Safety (KGS)
BV (Class Rules)
RINA (Class Rules)
Pressure Equipment Directive (2014/68/EU)
TÜV Verband (Approval mark number)
Operating Instructions
More Information
Solution LNG, Air Gases
Solution Area Transport, Storage, Refueling, Processes
SKU CR_06420
Materials

Materials

DIN EN

ASME/ASTM

1

Outlet body

CC491K

SB62 UNS C83600

2

Inlet body

1.4301

SA 479 Grade 304

3

Valve seal

PCTFE

1.4571

1.4541

A 313 Grade 316Ti (d07)

A 276 Grade 321 (d010.5)

4

Disc

CC493K

B 505 UNS C93200

5

Guide plate

CC493K

B 505 UNS C93200

6

Stem

CW453K

B 103 UNS C52100

7

Spring

1.4571

A 313 Grade 316Ti

8

Bonnet

1.4301

A 276 Grade 304

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 06420

Technical data

Nominal size

GW

1/2

3/4

1/2

3/4

3/4

1

1

1-1/4

1-1/4

Orifice

d0

7.0

7.0

10.5

10.5

14.0

14.0

18.0

18.0

23.0

Dimension code

.X.

0704

0706

1004

1006

1406

1410

1810

1812

2312

Set pressure range

bar

0.4-50.0

0.4-50.0

0.4-50.0

0.4-50.0

0.4-40.0

0.4-40.0

0.4-40.0

0.4-40.0

0.4-10.0

Outlet

GA

1

1

1

1

1-1/4

1-1/4

1-1/2

1-1/2

1-1/2

Height

H

140

140

140

140

159

159

186

187

187

Length

A1

14

16

14

16

16

18

18

20

20

Length

L1

36

36

36

36

50

50

48

48

48

Length

L2

36.5

36.5

36.5

34.5

44

44

50.5

51.5

52

Wrench size across flats

S1

30

30

30

30

41

41

50

50

50

Wrench size across flats

S2

41

41

41

41

50

50

58

58

58

Weight

ca. kg

0.78

0.80

0.76

0.79

1.25

1.31

1.87

1.99

1.90

Coeff. of disch. from 3.0 bar

αw

0.78

0.78

0.69

0.69

0.66

0.66

0.66

0.66

0.54

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