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Type 50051.0004

Datasheet ID: IN_50051_0004
Field of application

Applications:

Provided as safety device for protection against thermal expansion

in electric or steam fired heat exchangers for vapours, gases and fluids,

specific for heavy oil and lubricants (especially for ships).

Approved for fluids, vapours and gases.

Working temperature: -10°C / +14°F (263K) up to +160°C / +320°F (403K)

Operating Instructions
More Information
Solution Air Gases
Solution Area Storage, Processes
SKU IN_50051_0004
Materials

Materials

DIN EN

ASME/ASTM

1

Body

CC491K

B 62 UNS C83600

2

Inlet body

1.4301

A 276 Grade 304

3

Disc

1.4541

A 276 Grade 321

4

Stem

CW614N

B 249 UNS C38500

5

Spring

1.4571

A 313 Grade 316Ti

6

Bonnet

CW614N

B 249 UNS C38500

7

Spring clamp

CW614N

B 249 UNS C38500

8

Thread ring

CW614N

B 249 UNS C38500

9

Lifting cap

CW614N

B 249 UNS C38500

10

Lifting spring

1.4571

A 313 Grade 316Ti

11

Lifting stem

CW614N

B 249 UNS C38500

12

Lifting device

CW614N

B 249 UNS C38500
Versions

Type 50051.0004

Technical data

Nominal size

GW

1/2

Orifice

d0

7

Set pressure range

bar

6.0-15.0

Outlet

GA

1/2

Height

H

122

Length

L1

25

Length

L2

28

Length

A1

10

Wrench size across flats

S1

27

Weight

ca. kg

0.38

Coefficient of discharge - gas

αw

0.68

Coefficient of discharge - fluid

αw

0.53

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