CRYOGENIC
Type 06381
Cryogenic Safety Valves, angle type, stainless steel, PN40, 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 "cleaned and degreased for oxygen service"

Part No. 06381.X.9005 (0.5 up to 1.5 bar)
Part No. 06381.X.9003 (1.0 up to 4.0 bar)
Part No. 06381.X.9001 (3.0 up to 8.0 bar)
Part No. 06381.X.9002 (7.0 up to 17.0 bar)
Part No. 06381.X.9004 (16.0 up to 21.0 bar)
Part No. 06381.X.9007 (21.0 up to 28.0 bar)
Part No. 06381.X.9006 (28.0 up to 36.0 bar)

Available options - on request only:

- other spring ranges acc. to customer specification



Applications:
Provided as overflow valve for protection against excessive pressure in pipe systems and pressure vessels, which are not subject to approval.
Working temperature: -196°C / -321°F (77K) up to +185°C / +365°F (458K)

 
Type 06381
 

Materials

DIN EN

ASTM
1 Outlet body 1.4308 A 351 CF8
2 Inlet body 1.4301 A 276 Grade 304
3 Disc 1.4541 A 276 Grade 321
4 Guide plate 1.4301 A 276 Grade 304
5 Stem 1.4571 A 276 Grade 316Ti
6 Spring 1.4571 A 313 Grade 316Ti
7 Bonnet 1.4308 A 351 CF 8
8 Spring Clamp 1.4301 A 276 Grade 304
9 Adjusting screw 1.4571 A 276 Grade 316Ti
10 Cap 1.4301 A 276 Grade 304
Important: Adjusting ranges of springs are marked with
a label on the bonnet.
Not to use as equipment with safety function acc. to
Pressure Equipment Directive 2014/68/EU (PED)
(No CE marking).
 
Type 06381
 

Type 06381Technical data
Nominal sizeGW 1/2 3/4
Orificed0 10.510.5
Dimension code.X.10041006
OutletGA11
HeightH139139
LengthL13636
LengthL23434
LengthA1 1416
Wrench size across flatsS13032
Wrench size across flatsS24141
Weightca. kg0.770.79



Discharge capacities
Calculation of flow rate acc. to AD2000-Merkblatt A2 / DIN EN ISO 4126-1

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

The capacity indicated below is for 10% pressure increase.

d0 - orifice
A0 - flow area


Set
pressure
in bar (ü)		GW1/2 & 3/4
d0 (mm)10.5
A0 (mm²)86.6
MediumAir
Pressure range in bar0.5 - 1.51.0 - 4.03.0 - 8.0 7.0 - 17.016.0 - 21.021.0 - 28.028.0 - 36.0
0.58------
1.0116-----
1.5149-----
2.0-12-----
3.0-2110----
4.0-3225----
5.0--48----
6.0--76----
7.0--10782---
8.0--144104---
9.0---128---
10.0---155---
11.0---177---
12.0---217---
13.0---248---
14.0---280---
15.0---319---
16.0---361186--
17.0---409220--
18.0----263--
19.0----304--
20,0----339--
21.0----383227-
22.0-----244-
24.0-----278-
25.0-----296-
26.0-----314-
28.0-----353431
30.0------461
32.0------491
34.0------521
35.0------536
36.0------583

GW1/2 & 3/4
Part No. spring Pressure range of springs in bar
55345.0114.17670.5 -1.5
55345.0263.07671.0 - 4.0
55345.0118.17673.0 - 8.0
55345.0119.17677.0 - 17.0
55345.0120.176716.0 - 21.0
55345.0233.076721.0 - 28.0
55345.0237.076728.0 - 36.0
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