DANA PIROOZ KISH

Type 06605

Safety Valves, angle type, bronze, type tested TÜV-SV.1080. S/G

Standard safety valve with O-ring valve seal, closed bonnet, with lifting device, with enlarged outlet Inlet: male thread NPT acc. to ANSI B 1.20.1 Outlet: female thread type G (BSPP) acc. to ISO 228/1

Part No. 06605.1204.0000

Available options - on request only:

- external parts nickel plated

Applications:
Provided as safety device for protection against excessive pressure in gas cylinders and pressure vessels. Approved for gases and vapours, preferably for non-inflammable refrigerants acc. to EN 378-1.
Working temperature: -50°C / -58°F (223K) up to +150°C / +316°F (423K)

Materials		DIN EN	ASME/ASTM
1	Body	CC491K	B 62 UNS C83600
2	Inlet body	CW614N	B 111 UNS C28000
3	O-ring	PTFE
4	Disc	CW614N	B 249 UNS C38500
5	Stem	CW614N	B 249 UNS C38500
6	Bonnet	CW614N	B 249 UNS C38500
7	Spring	1.4571	A 313 Grade 316Ti
8	Lifting device	CW614N	B 249 UNS C38500
9	Closing cap	CW507L	B 36 UNS C26800

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 06605	Technical data
Nominal size	GW	1/2
Orifice	d₀	12.5
Set pressure range	bar	14.0-30
Outlet	GA	1
Height	H	151
Length	L₁	36
Length	L₂	48
Wrench size across flats	S₁	32
Wrench size across flats	S₂	41
Weight	ca. kg	0.7
Coefficient of discharge	α_w	0.7

Dimensions in mm.

Discharge capacities
Calculation of mass flow acc. to AD2000-Merkblatt A2

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	1/2
	d₀ (mm)	12.5
	A₀ (mm²)	122.7
	Medium	Air
14.0		969
15.0		1034
16.0		1099
17.0		1164
18.0		1229
19.0		1294
20.0		1372
21.0		1437
22.0		1503
23.0		1569
24.0		1634
25.0		1700
26.0		1765
27.0		1831
28.0		1897
29.0		1962
30.0		2047