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Type series booklet ZJSVA/ZXSVA 7253.1/3-10
Start and Stop
Control Valves
p approx. 600 bar
ZJSVA DN 65/60 - 250/125
with butt weld ends
with pressure-sealed bonnet
Applications
In industrial plants, power stations, process engineering and
marine engineering.
For water, steam, gas, oil and other non-aggressive media.
Other applications on request.
Operating data
Maximum allowable pressure 600 bar
Maximum allowable temperature 650 C
Pressure-temperature ratings see next side
Materials
Body: P 250 GH 1) 1.0460 up to 450 C
15 NiCuMoNb 5 1.6368 up to 450 C
16 Mo 3 1.5415 up to 530 C
13 CrMo 4-5 1.7335 up to 550 C
10 CrMo 910 1.7380 up to 570 C
X 20 CrMo V 11-1 1.4922 up to 600 C
X 10 CrMoVNb 9-1 1.4903 up to 650 C
X 11 CrMoWVNb 9-1-1 1.4905 up to 650 C
Other materials on request
Design
Straight-way pattern with vertical bonnet or angle pattern
Rigid throttling plug
Forged body
Stem sealed by gland packing
Pressure-sealed bonnet
Non-rotating stem
Position indicator
Sealing surfaces made of wear-resistant and corrosion-re-
sistant stellite
Yoke suitable for mounting electric and pneumatic actuators
(DIN ISO 5210)
1) previously: C 22.8
Standard variants
Position switch
Stem protecting tube
Free from non-ferrous metals
Locking arrangement
Electric or pneumatic actuators
Spur gear or bevel gear
Actuator bush
Other butt weld end designs
Perforated throttling plug
Orifice plates at inlet and outlet
Acceptance tests to technical codes such as TRD/TRB/
AD2000 or customer specification
References
Operating instructions: 0570.82
On all enquires / orders please specify
1 Type 7 Material
2 PN 8 Medium
3 DN 9 Flowrate
4 Working pressure 10 Pipe connection
5 Differential pressure 11 Optional extras
6 Operating temperature 12 Type series bookletnumber
Whenordering spares, indicate originalworks numberandyear
of manufacture.
*) Indispensable for variant with throttling plug
The valves meet the safety requirements of the Pressure
Equipment Directive 97/23/EC (PED) of annex I for fluids of
the groups 1 and 2.
The valves do not have a potential internal source of ignition
and can be used in potentially explosive atmospheres,
group II, category 2 (zones 1+21) and category 3 (zones
2+22) according to ATEX 94/9/EC.
DIN ISO 9001 PED 97/23/EC
