INDUSTRY
Type 06321
Overflow Valve, angle type, ductile casting GGG-40.3,
not type tested


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. 06321.X.0000

with lifting device - head A
Part No. 06321.X.0020
with gastight cap - head C

Available options - on request only:

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


Applications:
Provided as overflow valve for protection against excessive pressure in pipe systems and pressure vessels, which are not subject to approval.
Working temperatures: -10°C / +14°F (263K) up to +280°C / +536°F (553K)

 
Type 06321
 

Materials

DIN EN

ASTM

1 Body + Bonnet 0.7043 A 395
2 Inlet body 1.4104 A 276 Grade 430F
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
Not to use as equipment with safety function acc. to
Pressure Equipment Directive 2014/68/EU (PED)
(No CE marking).
 
Type 06321
 

Type 06321 Technical data
Nominal sizeGW 3/8 3/81/23/4 3/43/4 1 1 1-1/4 1-1/2
Orificed081012.5812.51612.5162227
Dimension code.X.0803100312040806120616061210161022122714
Set pressure rangebar50-2000.1-1400.1-12050-20050-1700.1-9050-1700.1-900.05-550.05-45
OutletGA1/21/21/21111111
HeightH1 200200200200230230230230230230
HeightH2 185185185185215215215215215215
LengthL140404040505050505050
LengthL2 34343434404040404040
LengthA112121416161618182020
Wrench size across flatsS1 32323232414141414141
Weightca. kg1.01.01.01.01.61.61.61.61.81.8
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)
GW3/8 & 3/43/81/2. 3/4 & 13/4 & 1
d0 (mm)81012.516
A0 (mm²)50.378.5122.7201.1
MediumABCABCABCABC
0.1----1.863-2.999-4.6161
0.4---3.34.01265.26.31978.310.1323
1.0---5.67.12008.911.231214.117.9511
2.0---9.412.128214.518.644123.730.4723
3.0---13.317.234620.726.954034.044.0885
4.0---16.521.539925.733.662442.255.01020
6.0---22.830.148935.747.076458.877.01250
8.0---29.238.756545.660.488274.799.01440
10.0---35.447.363155.473.998790.81211610
20.0---66.890.489310414113901712312280
30.0---114134109015320917102513422800
40.0---130177126020327719703324533230
50.0103141904162221141025334522004145653610
60.0124169990194264155030341324204976763960
70.01471971070229308167035848126105877884280
80.01672251140261351178040854927906688994570
90.018925212102953951890462617296075610104850
100.0212280128033143820005176843120---
120.0259335140040452421906328193420---
140.0309390151048460923607569513690---
160.03674431610---89610803950---
180.04344961710---------
200.05175471810---------

Set
pressure
in bar (ü)
GW1-1/41-1/2
d0 (mm)2227
A0 (mm²)380.2572.6
MediumABCABC
0.05-6.1216-9.2325
0.1-8.8305-13.3460
0.416.019.461124.129.2921
1.027.334.696641.152.11450
2.045.658.5137068.788.22060
3.064.383.2167096.81252520
4.079.810419301201562910
6.011014523701662193560
8.014118727302122824120
10.017122930502583444600
20.032343743204876596510
30.047564752907169757970
40.0628857611094612909210
45.07059636480106014509770
50.078310706830---
55.086111757160---
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