Type 06205

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Type 06205

Safety Valves, brass,
type tested TÜV-SV.1090 S/G


Standard safety valve with FPM valve seal, open bonnet, with discharge holes, with lifting device Inlet: male thread type G (BSPP) acc. to ISO 228/1


Part No. 06205.X.0000


Available options - on request only:

- stainless steel spring - material 1.4571
- external parts nickel plated


Applications:
Provided as safety device for protection against excessive pressure in stationary and moveable gas cylinders and pressure vessels. Approved for air and similar gases.
Working temperature: -20°C / -4°F (253K) up to +160°C / +320°F (433K), size d07 suitable for horizontal installation
 		  
Type 06205
 

Materials

DIN EN

ASME/ASTM
1 Body CW614N B 249 UNS C38500
2 Valve seal FPM (Viton)
3 Disc CW614N B 249 UNS C38500
4 Stem CW614N B 249 UNS C38500
5 Bonnet CW614N B 249 UNS C38500
6 Spring 1.1200 A 227
7 Stem guide PTFE
8 Lifting device CW614N B 249 UNS C38500
9 Closing cap CW507L B 36 UNS C26800
Essential: Valves are delivered at a set pressure,
therefore when ordering please confirm set
pressure, medium and temperature.
Standard marking acc. to Pressure Equipment
Directive 97/23/EG (PED).
 
Type 06205
 

 

Type 06205 Technical data
Nominal size GW 1/4 3/8 1/2 1/2 3/4 1 1-1/4
Orifice d0 7 7 7 12 15 18 20
Dimension code .X. 0200 0300 0704 0400 0600 1000 1200
Set pressure range bar 0.4-43 0.4-43 0.4-43 0.2-22 0.2-16 0.2-18 0.2-16
Height H 60 60 67 78 92 110 125
Length L2 10 10 12 12 15 18 20
Wrench size across flats S1 21 21 24 27 32 41 48
Weight ca. kg 0.07 0.07 0.17 0.17 0.27 0.48 0.75
Coeff. of discharge from 3.0 bar αw 0.60 0.60 0.60 0.47 0.63 0.63 0.63
Dimensions in mm.



 

Discharge capacities
Calculation of mass flow acc. to AD2000-Merkblatt A2

Medium:
Air in m³/h at 0°C and 1013.25 mbar

The capacity indicated below is for a fully opened valve.

d0 - orifice
A0 - flow area
 

 

Set
pressure
in bar (ü)		 GW 1/4 3/8 1/2 1/2 3/4 1 1-1/4
d0 (mm) 7.0 7.0 7.0 12.0 15.0 18.0 20.0
A0 (mm²) 38.48 38.48 38.48 113.1 176.7 254.5 314.2
Medium Air
0.2   - - - 30 60 86 106
0.4   19 19 19 42 84 121 150
0.6   23 23 23 52 104 150 186
0.8   28 28 28 61 124 178 220
1.0   32 32 32 70 142 205 253
2.0   50 50 50 113 239 345 426
3.0   67 67 67 156 327 472 582
4.0   85 85 85 196 411 592 731
5.0   102 102 102 236 496 714 881
6.0   120 120 120 276 579 834 1030
7.0   137 137 137 316 663 955 1179
8.0   155 155 155 357 749 1079 1332
9.0   172 172 172 398 833 1200 1482
10.0   190 190 190 439 919 1324 1634
12.0   225 225 225 519 1087 1566 1934
14.0   260 260 260 599 1256 1809 2233
16.0   295 295 295 680 1424 2051 2532
18.0   330 330 330 760 - 2294 -
20.0   368 368 368 849 - - -
22.0   404 404 404 930 - - -
25.0   457 457 457 - - - -
27.0   492 492 492 - - - -
30.0   550 550 550 - - - -
32.0   585 585 585        
34.0   621 621 621        
36.0   657 657 657        
38.0   692 692 692        
40.0   734 734 734        
42.0   770 770 770        
43.0   788 788 788    

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