DANA PIROOZ KISH

Type 06478

Cryogenic Safety Valves, angle type, bronze, PN63, type tested TÜV-SV.836. S/G

Standard safety valve, with carbon filled PTFE valve seal, closed bonnet, with lifting device Outlet: female thread G 1/2 acc. to ISO 228/1 "cleaned and degreased for oxygen service"

Part No. 06478.X.0000
Inlet: male thread type G (BSPP) acc. to ISO 228/1
Part No. 06478.X.5000
Inlet: male thread NPT acc. to ANSI B 1.20.1
Part No. 06478.0600.0000
Inlet: union type braze fitting for pipe outside diameter 12 mm

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 +150°C / +302°F (423K), suitable for horizontal installation

Materials		DIN EN	ASME/ASTM
1	Outlet body	CC491K	B 62 UNS C83600
2	Inlet body	1.4301	A 276 Grade 304
3	Valve seal	PTFE / Carbon filled (25%)
4	Disc	CW452K	B 159 UNS C51900
5	Guide plate	CC493K	B 505 UNS C93200
6	Stem	CW614N	B 283 UNS C38500
7	Spring	1.4571	A 313 Grade 316Ti
8	Bonnet	1.4301	A 276 Grade 304
9	Spring clamp	CW614N	B 283 UNS C38500
10	Thread ring	CW614N	B 283 UNS C38500
11	Lifting cap	CW614N	B 283 UNS C38500
12	Lifting spring	1.4571	A 276 Grade 316Ti
13	Lifting stem	CW614N	B 283 UNS C38500
14	Lifting device	CW614N	B 283 UNS C38500
15	Braze fitting	1.4301	A 276 Grade 304
16	Union nut	CW614N	B 283 UNS C38500

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).

Type 06478	Technical data
Nominal size	GW	1/4	3/8	1/2	3/4
Orifice	d₀	6.0	6.0	6.0	6.0
Dimension code	.X.	0200	0300	0400	0600
Set pressure range	bar	4.5-45.0	4.5-45.0	4.5-45.0	4.5-45.0
Height	H	126	126	126	140
Length	L₁	12	13	14	15.5
Length	L₂	26	26	26	40
Socket depth	b	-	-	-	10
Wrench size across flats	S₁	27	27	27	27
Wrench size across flats	S₂	-	-	-	32
Weight	ca. kg	0.40	0.42	0.44	0.47
Coefficient of discharge	α_w	0.66	0.66	0.66	0.66

Dimensions in mm.

Discharge capacities
Calculation of mass flow 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 a fully opened valve.

d₀- orifice
A₀ - flow area

Set pressure in bar (ü)	GW	1/4	3/8	1/2	3/4
	d₀ (mm)	6.0	6.0	6.0	6.0
	A₀ (mm²)	28.3	28.3	28.3	28.3
	Medium	Air
4.5		76	76	76	76
5.0		83	83	83	83
6.0		97	97	97	97
7.0		111	111	111	111
8.0		125	125	125	125
9.0		139	139	139	139
10.0		153	153	153	153
12.0		181	181	181	181
14.0		209	209	209	209
16.0		237	237	237	237
18.0		265	265	265	265
20.0		293	293	293	293
22.0		321	321	321	321
24.0		349	349	349	349
26.0		377	377	377	377
28.0		404	404	404	404
30.0		432	432	432	432
32.0		460	460	460	460
34.0		488	488	488	488
36.0		516	516	516	516
38.0		544	544	544	544
40.0		572	572	572	572
42.0		600	600	600	600
44.0		628	628	628	628
45.0		642	642	642	642