User guide
21-3
Safety Valves
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Spare Parts
The S245B safety valves are direct loaded high performance safety valves with lifting device. They
protect pressurized compressed air vessels (cylinders, tanks) against excessive pressure. S245B
safety valves are used for compressors and other industrial purposes.
Soft seat version, set pressure within the range of 1,0 - 12,0 bar
Soft seat version, set pressure within the range of <1,0 or >12,0 bar
Safety valve insert, set pressure 6 bar, for sizes R 1/2"
A152-1/2AA
Safety valve insert, set pressure 6 bar, for sizes R 3/4"
A152-3/4AA
Safety valve insert, set pressure 6 bar, for size R 1"
A152-1AA
Safety valve insert, set pressure 8 bar, for sizes R 1/2"
A152-1/2AB
Safety valve insert, set pressure 8 bar, for sizes R 3/4"
A152-3/4AB
Safety valve insert, set pressure 8 bar, for size R 1"
A152-1AB
Safety valve insert, set pressure 10 bar, for sizes R 1/2"
A152-1/2AC
Safety valve insert, set pressure 10 bar, for sizes R 3/4"
A152-3/4AC
Safety valve insert, set pressure 10 bar, for size R 1"
A152-1AC
Safety valve insert with chrome plated body, set pressure 8 bar, for sizes R 1/2"
A152-1/2BB
Safety valve insert with chrome plated body, set pressure 8 bar, for sizes R 3/4"
A152-3/4BB
Safety valve insert with chrome plated body, set pressure 10 bar, for sizes R 1/2"
A152-1/2BC
Safety valve insert with chrome plated body, set pressure 10 bar, for sizes R 3/4"
A152-3/4BC
Safety valve insert, set pressure 6 bar, for sizes R 1 1/4"
A160-11/4AA
Safety valve insert, set pressure 8 bar, for sizes R 1 1/4"
A160-11/4AB
Safety valve insert, set pressure 10 bar, for sizes R 1 1/4"
A160-11/4AC
High performance safety valve for compressed air, S245B
Approvals CE, VdTUEV, ASME
Body material brass
Port connection type external threads
Max. media temperature 180
o
C
Pressure setpoint range 1 ... 12 bar
Additional description • Sturdy metal construction
• Shakeproof lifting mechanism admitting no additional load
• Type S245B approved by VdTUEV for pressure range from 0,5 - 30,0
bar and approved by ASME (American Society of Mechanical
Engineers) for pressure range 2,8 - 30,0 bar (41 - 435 PSI)
• Type S245B certified to Pressure Equipment Directive 97/23/EC,
Reference No. CE 0035
• Set pressure settings possible between 0,5 and 30 bar in steps of 0,1 bar
Spring bonnet material Port diameter (inch)
Type
brass G 1/2
S245B-12ZA*...
brass G 3/4
S245B-34ZA*...
brass G 1
S245B-1ZA*...
cast iron GG25 G 1 1/4
S245B-114ZA*...
cast iron GG25 G 1 1/2
S245B-112ZA*...
cast iron GG25 G 2
S245B-2ZA*...
Spring bonnet material Port diameter (inch)
Type
brass G 1/2
S245B-12ZB*...
brass G 3/4
S245B-34ZB*...
brass G 1
S245B-1ZB*...
cast iron GG25 G 1 1/4
S245B-114ZB*...
cast iron GG25 G 1 1/2
S245B-112ZB*...
cast iron GG25 G 2
S245B-2ZB*...