INDUSTRY
Type 06318
Safety Valves, angle type, ductile casting GGG-40.3,
type tested, TÜV-SV.847. S/G/L (G 3/8 - G 1/2)
type tested, TÜV-SV.878. S/G/L (G 3/4 - G 1-1/4)

metal to metal seated, closed bonnet Inlet: male thread type G (BSPP) acc. to ISO 228/1 Outlet: female thread type G (BSPP) acc. to ISO 228/1

Part No. 06318.X.0000
with lifting device - head A
Part No. 06318.X.0020
with gastight cap - head C

Available options - on request only:

- Disc with soft sealing (EPDM, FKM, PTFE)



Applications:
Provided as safety device for protection against excessive pressure in pressure vessels. Approved for gases, vapours and fluids.
Working temperatures: -10°C / +14°F (263K) up to +280°C / +536°F (553K)

 
Type 06318
 

Materials

DIN EN

ASME/ASTM
1 Body + Bonnet 0.7043 A 395
2 Inlet body 1.4571 A 276 Grade 316Ti
3 Disc 1.4571 A 276 Grade 316Ti
4 Stem 1.4104 A 276 Grade 430F
5 Spring 1.4310 A 313 Grade 301
6 Lifting cap 1.4104 A 276 Grade 430F
7 Lifting stem 1.4305 A 276 Grade 303
8 Lever 3.2581 no reference
9 Cap 1.0718 A 108

 
Type 06318
 

Type 06318 Technical data
Nominal size GW 3/81/2 1/21/23/4 3/4 11 1-1/4 1-1/4
Orificed01081012.512.51612.5161620
Dimension code.X.1003080410041204120616061210161016122012
Set pressure rangebar0.1-14020-2000.1-1400.1-7032-700.1-3232-700.1-320.1-320.1-20
OutletGA1/21/21/21/2111111
HeightH1 200200200200230230230230230230
HeightH2 185185185185215215215215215215
LengthL140404040505050505050
LengthL2 34343434404040404040
LengthA112121414161618182020
Wrench size across flatsS1 32323232414141415050
Weightca. kg1.01.01.01.01.61.61.61.6 1.81.8
Coeff. of discharge gases, vapoursαw0.380.420.380.270.370.290.370.290.290.11
Coeff. of discharge fluidsαw0.300.300.300.200.290.230.290.230.230.08
Dimensions in mm.



Discharge capacities
Calculation of flow rate acc. to AD2000-Merkblatt A2
Medium:
A = Saturated steam in kg/h
B = Air in m³/h at 0°C and 1013.25 mbar
C = Water in kg/h at 20°C
The capacity indicated below is for a fully opened valve.
d0 - orifice
A0 - flow area


Set
pressure
in bar (ü)		GW1/23/8 & 1/21/23/4 & 1
d0 (mm)81012.512.5
A0 (mm²)50.378.5122.7122.7
MediumA BCABCABCABC
0.1---12155361215558---
0.4---17248471926883---
1.0---3340125736441309---
2.0---5164177857721852---
3.0---6888217776972268---
4.0---851102514951222619---
6.0---11915530791321723207---
8.0---15220035551692223703---
10.0---18624539752072724140---
20.0249333359835147156213905235855---
30.0366494440651869868845757757171---
35.0 425575475960181274366679027746914123611232
40.048465650886849277949759102982801040141012007
50.0602819568885111578888945128592581295176013424
60.0722983623110211389973611331542101411553211314706
70.084311486730119216221051613241801109541814246915884
80.0968131471951368185811242------
90.01096148276321549154911924------
100.01225165080441731173112569------
120.01486199188122100210013769------
140.01754233795182479247914872------
160.0-272510186---------
180.0-306510704---------
200.0-340611376---------

Set
pressure
in bar (ü)		GW3/4. 1 & 1-1/41-1/4
d0 (mm)1620
A0 (mm²)201.1314.2
MediumABCABC
0.1232910521316572
0.4365016631927904
1.06781246739481341
2.0100127348959751896
3.01341714273791022322
4.01672154934991282682
6.023230360431381803284
8.029839169781772323792
10.036347978012152844240
20.0686920110334075455996
30.01011136413512---
35.01174158714595---
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