CRYOGENIC
Type 06440
Cryogenic Safety Valves, angle type, stainless steel, PN40
d0=7.0 & 10.5mm up to PN50
type tested TÜV-SV.1111. S/G

Standard safety valve, with PCTFE valve seal, (except d07, which is metal to metal seated only: in this case the

Part No.
changes from
06440.X.X000
to
06440.070X.X100
), closed bonnet "cleaned and degreased for oxygen service"
Part No. 06440.X.0000
Inlet: male thread type G (BSPP) acc. to ISO 228/1, Outlet: female thread type G (BSPP) acc. to ISO 228/1
Part No. 06440.X.2000
Inlet: male thread type R (BSPT) acc. to ISO 7/1, Outlet: female thread type G (BSPP) acc. to ISO 228/1
Part No. 06440.X.5000
Inlet: male thread NPT acc. to ANSI B 1.20.1, Outlet: female thread type G (BSPP) acc. to ISO 228/1
Part No. 06440.X.6000
Inlet: male thread NPT acc. to ANSI B 1.20.1, Outlet: female thread NPT acc. to ANSI B 1.20.1


Applications:
Provided as safety device for protection against excessive pressure in stationary and moveable gas cylinders and pressure vessels. Approved for air gases, vapours and cryogenic liquefied gases incl. LNG.
Working temperature: -196°C / -321°F (77K) up to +185°C / +365°F (458K), with PCTFE-seal up to +150°C / 302°F (423K), suitable for horizontal installation

 
Type 06440
 

Materials

DIN EN

ASME/ASTM
1 Outlet body 1.4308 SA351 CF8
2 Inlet body 1.4301 SA479 Grade 304
3 Valve seal PCTFE 1.4571 1.4541 A 313 Grade 316Ti (d07) A 276 Grade 321 (d010.5)
4 Disc 1.4541 A276 Grade 321
5 Guide plate 1.4301 SA479 Grade 304
6 Stem 1.4301 SA479 Grade 304
7 Spring 1.4571 A 313 Grade 316Ti
8 Bonnet 1.4301 A 276 Grade 304
9 Spring clamp 1.4301 SA479 Grade 304
10 Thread ring 1.4301 SA479 Grade 304
11 Cap 1.4301 SA479 Grade 304

 
Type 06440
 

Type 06440Technical data
Nominal size GW 1/23/4 1/2 3/43/4111-1/41-1/4
Orificed07.07.010.510.514.014.018.018.023.0
Dimension code.X.070407061004100614061410181018122312
Set pressure rangebar0.4-50.00.4-50.00.4-50.00.4-50.00.4-40.00.4-40.00.4-40.00.4-40.00.4-10.0
OutletGA11 111-1/41-1/41-1/21-1/21-1/2
HeightH140140140140159159186187187
LengthA1141614161618182020
LengthL1363636365050484848
LengthL236.536.536.534.5444450.551.552
Wrench size across flatsS1 303030304141505050
Wrench size across flatsS2 414141415050585858
Weightca. kg0.780.800.760.791.251.311.871.991.90
Coeff. of disch. from 3.0 barαw0.780.780.690.690.660.660.660.660.54
Dimensions in mm.



Discharge capacities

Medium:
Air in m³/h at 0°C and 1013.25 mbar
Air in SCFM at 60°F (15.6°C) and 14.7 psia (1013.25 mbar)

The capacity indicated below is for a fully opened valve.

d0 - orifice
A0 - flow area

Calculation of discharge capacity acc. to AD2000-Merkblatt A2 / DIN EN ISO 4126-1 resp. ASME Code Sec. VIII.

Set
pressure
in bar (ü)		GW1/2 & 3/41/2 & 3/43/4 & 11 & 1-1/41-1/4
d0 (mm)7.010.514.018.023.0
A0 (mm²)38.4886.59153.94254.47415.48
MediumAir in m³/h
0.4244377123157
0.5274987141179
1.04177131216287
1.554101179291376
2.066126219362473
3.088176299495661
4.0111221375621829
5.01342664537481000
6.01563115298751169
7.017935660610011337
8.020240268411311511
9.022544776112581680
10.024849483913871853
12.02935849931641-
14.033967411471895-
16.038476513002149-
18.043085514542403-
20.048095416232683-
22.0525104617782939-
24.0571113719333196-
26.0617122820883452-
28.0663131922443709-
30.0715142424214003-
32.0762151625784262-
34.0808160827354520-
36.0854170028914779-
38.0900179230485038-
40.0955190132325343-
42.010021994---
44.010482086---
46.010952179---
48.011422272---
50.011982385---

Set
pressure
in psig		GW1/2 & 3/41/2 & 3/43/4 & 11 & 1-1/41-1/4
d0 (inch)0.2760.4130.5510.7090.906
A0 (in²)0.0600.1340.2390.3940.644
MediumAir in SCFM
15--92--
28--129-298
2942---304
354790154-346
4052100169280382
5062118201333454
6072137233385525
7082156265438597
8092174296490669
90101193328543740
100111212360595812
120131249424700955
1451552965038311134
160170324551910-
1801903616141015-
2202294367411225-
2402494738051330-
2502584928361383-
2602685118681435-
2802885489321540-
3003075859951645-
32533263210751777-
35035767911541908-
37538172512332039-
40040677213132170-
42543081913922302-
45045586514722433-
47547991215512564-
50050495916302695-
525528100617102827-
550553105217892958-
575577109918683089-
6006021146---
6256261192---
6506511239---
6756751286---
7007001332---
7257241379---
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