INDUSTRY
Type 06120, Type 06121
Safety Valves, angle type, cast iron
type tested, TÜV-SV.577. S/G/L

Standard safety valve metal to metal seated, with lifting device Flanged connection acc. to DIN EN 1092-1 PN16

Part No. 06120.X.0000
open bonnet
Part No. 06121.X.0000
closed bonnet

Available options - on request only:

- Disc with soft sealing
- Extended pressure and temperature ranges


Applications:
Provided as safety device for protection against excessive pressure in pressure vessels. Approved for gases, vapours and fluids.
Working temperatures: -10°C / +14°F (263K) up to +200°C / +392°F (473K)

 
Type 06120, Type 06121
 

Materials

DIN EN

ASME/ASTM
1 Body 0.6025 A 48-83 Gr. 35B
2 Disc 1.4122 no reference
3 Stem 1.4021 A 276 Grade 420
4 Spring 1.1200 A 227
5 Bonnet 0.7040 A 536-87 Gr. 60-40-18
6 Lifting device 0.7040 A 536-87 Gr. 60-40-18

 
Type 06120, Type 06121
 

Type 06120, 06121Technical data
Nominal sizeDN 1520253240506580100
Orificed0121818182329374660
Dimension code.X.015002000250032004000500065008001000
Set pressure rangebar0.2-160.2-160.2-160.2-160.2-160.2-160.2-160.2-160.2-16
Flange diameterD95105115140150165185200220
Height Type 06120H310315320325335360470525605
Height Type 06121H305310315320330355475530590
LengthL19095100105115125145155175
LengthL29095100105115125145155175
Weightca. kg5.06.06.08.09.012.015.020.033.0
Coeff. of discharge gases, vapoursαw 0.290.290.380.380.380.380.380.380.38
Coeff. of discharge fluidsαw 0.190.190.250.250.250.250.250.250.25
Dimensions in mm.



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

Medium:
A = Saturated steam in kg/h
B = Air in m³/h at 0°C and 1013.25 mbar
C = Water in kg/h at 20°C

The capacity indicated below is for a fully opened valve.

d0 - orifice
A0 - flow area


Set
pressure
in bar (ü)		DN152025 & 3240
d0 (mm)12181823
A0 (mm²)113.1254.5254.5415.5
MediumA BCABCABCABC
0.2------3439177055632890
0.5151884630351900637425101021204090
1.0313711466780258010112133901651975540
2.057691621129156365017020648002783367840
3.077951985177217447023228458803794639600
4.09812022922212725160290356679047358211100
5.011714525632653275770347429759056670012400
6.013617028073083826320404501831065981813600
7.015519430323504386820459574898075093614700
8.0175219324239449373005166469600842105515700
9.01942433439437548774057271810200934117316600
10.021326836254806048160629791107001026129117500
12.025131739715667148930741936118001210152819200
14.0289366428965082596508521081127001391176420700
16.03274154585736935103009641225136001574200122200

Set
pressure
in bar (ü)		DN506580100
d0 (mm)29374660
A0 (mm²)660.61075.31662.12827.8
MediumA BCABCABCABC
0.288101460014216575002202551160037543119700
0.51631916510265311106004104811640069781927800
1.0263313881042851014300661788222001125134137700
2.0442534125007208702030011131344313001893228753300
3.06037371530098111992480015171854384002581315365300
4.075292517600122415052870018922327443003218395875400
5.0900111319700146518113210022652800496003853476384300
6.01048130121600170621173510026363273543004485556892400
7.01192148923300194024233790029993746586005102637399800
8.013391677249002179272940600336842196270057307177107000
9.014851865264002418303543000373746926650063587982113000
10.016322053279002656334245300410551657010069848787119000
12.0192424293050031323954497004842611176800823710397131000
14.0221128053300035994566537005563705782900946412006141000
16.02503318135200407451785740062978003887001071413616151000
Produktdetails Produktanfrage


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