DANA PIROOZ KISH

Type 06418

Cryogenic Safety Valve, angle type, bronze, PN50, type tested TÜV-SV.780. S/G

Full lift safety valve, orifice d₀=23mm standard safety valve, with carbon filled PTFE valve seal, closed bonnet, with lifting device "cleaned and degreased for oxygen service"

Part No. 06418.X.0040
Inlet: male thread type G (BSPP) acc. to ISO 228/1, Outlet: female thread type G (BSPP) acc. to ISO 228/1
Part No. 06418.X.2040
Inlet: male thread type R (BSPT) acc. to ISO 7/1, Outlet: female thread type G (BSPP) acc. to ISO 228/1
Part No. 06418.X.5040
Inlet: male thread NPT acc. to ANSI B 1.20.1, Outlet: female thread type G (BSPP) acc. to ISO 228/1
Part No. 06418.X.6040
Inlet: male thread NPT acc. to ANSI B 1.20.1, Outlet: female thread NPT acc. to ANSI B 1.20.1

Available options - on request only:

- external parts nickel plated
- with installed elbow at the outlet

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), suitable for horizontal installation

Materials		DIN EN	ASME/ASTM
1	Outlet body	CC491K	B 62 UNS C83600
2	Inlet body	CW614N	B 455 UNS C38500
3	Valve seal	PTFE / Carbon filled (25%)
4	Disc	CC493K	SB 505 UNS C93200
5	Guide plate	CC493K	SB 505 UNS C93200
5a	Guide plate from GW 1	CW453K	SB 103 UNS C52100
6	Stem	CW453K	SB 103 UNS C52100
7	Spring	1.4571	A 313 Grade 316Ti
8	Bonnet	1.4308	A 351 CF 8
9	Spring clamp	CW614N	B 455 UNS C38500
10	Thread ring	CW614N	B 455 UNS C38500
11	Lifting cap	CW614N	B 455 UNS C38500
12	Lifting spring	1.4571	A 313 Grade 316Ti
13	Lifting stem	CW614N	B 455 UNS C38500
14	Lever	1.4408	A 351 CF8M

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) and ASME Code
Section VIII.

Type 06418	Technical data
Nominal size	GW	1/2	3/4	1/2	3/4	1	1-1/4	1-1/2	2
Orifice	d₀	7.0	7.0	10.5	10.5	15.0	23.0	23.0	23.0
Dimension code	.X.	0704	0706	1004	1006	1510	2312	2314	2320
Set pressure range	bar	3.3-50.0	3.3-50.0	2.9-50.0	2.9-50.0	2.9-50.0	2.0-50.0	2.0-50.0	2.0-50.0
Outlet	GA	1	1	1	1	1-1/4	2	2	2
Height	H	175	175	175	175	194	270	270	268
Length	L₁	14	16	14	16	18	20	20	25
Length	L₂	36	36	36	36	42	56	56	54
Wrench size across flats	S₁	30	30	30	30	41	55	55	65
Wrench size across flats	S₂	41	41	41	41	50	70	70	70
Weight	ca. kg	1.00	1.02	0.98	1.01	1.52	3.80	3.85	4.28
Coefficient of discharge	α_w	0.82	0.82	0.58	0.58	0.5	0.62	0.62	0.62
Coefficient of discharge	rated slope	0.862	0.862	1.517	1.517	2.769	7.55	7.55	7.55

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. The safety valve is marked with the lower capacity of both calculations.

Set pressure in bar (ü)	GW	1/2 & 3/4	1/2 & 3/4	1	1-1/4, 1-1/2 & 2
	d₀ (mm)	7.0	10.5	15.0	23.0
	A₀ (mm²)	38.48	86.6	176.63	415.27
	Medium	Air in m³/h
2.0		-	-	-	563
2.9		-	143	252	737
3.0		-	147	259	756
3.3		93	158	279	814
4.0		108	185	325	949
5.0		130	222	391	1142
6.0		153	260	458	1335
7.0		174	298	524	1528
8.0		196	335	590	1721
9.0		219	373	656	1914
10.0		241	410	722	2107
12.0		285	486	855	2493
14.0		330	561	987	2879
16.0		373	636	1119	3265
18.0		418	711	1252	3651
20.0		461	787	1384	4037
22.0		507	862	1517	4422
24.0		550	937	1649	4808
26.0		595	1012	1781	5194
28.0		638	1088	1914	5580
30.0		683	1163	2046	5966
32.0		727	1238	2178	6352
34.0		772	1313	2311	6738
36.0		815	1389	2443	7124
38.0		860	1464	2576	7510
40.0		904	1539	2708	7896
42.0		949	1614	2840	8282
44.0		992	1690	2973	8668
46.0		1037	1765	3105	9054
48.0		1081	1840	3238	9440
50.0		1126	1915	3370	9825

Set pressure in bar (ü)	GW	1/2 & 3/4	1/2 & 3/4	1	1-1/4, 1-1/2 & 2
	d₀ (inch)	0.276	0.414	0.591	0.907
	A₀ (in²)	0.060	0.134	0.274	0.644
	Medium	Air in SCFM
50		60	102	180	524
60		70	118	208	607
70		79	134	236	690
80		89	150	265	772
90		98	167	294	855
100		107	183	322	938
110		117	199	350	1021
120		126	215	379	1103
130		136	231	407	1186
140		145	248	435	1269
150		155	264	464	1352
175		179	304	535	1558
200		202	344	606	1766
225		226	384	677	1972
250		250	425	748	2179
275		273	465	818	2386
300		297	506	889	2593
325		321	546	960	2800
350		345	586	1031	3007
375		368	626	1102	3213
400		392	667	1173	3420
425		416	707	1244	3627
450		439	748	1315	3834
475		463	788	1386	4041
500		487	828	1457	4248
525		510	869	1528	4455
550		534	909	1599	4662
575		558	949	1670	4868
625		605	1030	1812	5282
675		653	1111	1954	5696
725		700	1191	2096	6109