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Table 3

SIL LEVEL

Parameter

Value

Hardware Failure Tolerance - HFT

Common Cause Failure - CCF in points

Safe Failure Fraction - SFF in %

65%

Expected Lifetime Cycles - B

10d

251278

Expected Lifetime - T

10d

[years]

Probability of Dangerous Failures - PFH

[1/h]

1.33E-07

Performance Level - PL

Safety Integity Level - SIL

Mean Time to Dangerous Failure - MTTF

[years]

860

DESIGNED LIFETIME

Designed operating cycles (According to EN 161)

Time (years)

from 100.000 to 200.000 depends on diameter

Содержание 35500011

Страница 1: ...AUTOMATIC NORMALLY CLOSED SOLENOID VALVE FOR GAS 355AA DN 15 DN 20 DN 25 CE 51CT4873 ED05 CE 51CM4100 ED05 MADE IN ITALY EN EC approval according to EN 161 compliant with Regulation EU 2016 426...

Страница 2: ...2 EN INDEX pag English 3 Drawings 14 Dimensions table 1 16 Spare coils and connectors table 2 17 SIL Level table 3 18 Diagram 19...

Страница 3: ...CRIPTION Normally closed automatic fast opening solenoid valves for gas They open the flow of gas when the coil is electrically powered and close them when power is disconnected They can be controlled...

Страница 4: ...nty it could compromise correct device operation The manufacturer is not liable for malfunctions caused by unauthorised tampering or use of non original parts 1 5 IMPROPER USE The product must only be...

Страница 5: ...N 20 200 mbar DN 25 500 mbar Opening time 1 s Closing time 1 s Protection rating IP65 Class A Mechanical resistance Group 2 Rp Threaded connections DN 15 DN 20 DN 25 according to EN 10226 NPT threaded...

Страница 6: ...s not too long to prevent damaging the body of the device when screwing it on In accordance with EN 161 a suitable filter must be installed upstream of a gas closing safety device With outdoor install...

Страница 7: ...the pipe s thermal expansion If the device is to be installed in a ramp it is the installer s responsibility to provide suitable supports or correctly sized supports to properly hold and secure the a...

Страница 8: ...ghtening recommended tightening torque 0 4 N m 10 the centre screw 13 The valve needs to be earthed either through the pipe or through other means ex cable jumpers 3 3 INSTALLATION IN PLACES WHERE THE...

Страница 9: ...ALLATION Burner Gas Train 1 Gas filter 2 OPSO shut off valve 3 Pressure regulator 4 Minimum pressure switch 5 355AA fast opening automatic solenoid valve 6 Maximum pressure switch 7 Slow opening autom...

Страница 10: ...tallertodefinethefrequencyofthesechecksbasedontheseverityoftheserviceconditions 5 0 MAINTENANCE No maintenance operations need to be carried out inside the device If the coil and or connector need to...

Страница 11: ...icroswitch that signals the closed position CPI SWITCH is a magnetic proximity sensor with normally open contact It provides a signal when the valve obturator closes If the solenoid valve comes with t...

Страница 12: ...he nut 20 The kit is now installed Open and close the solenoid valve by supplying and cutting off power 2 3 times to make sure the microswitch is signalling correctly 7 0 TRANSPORT STORAGE AND DISPOSA...

Страница 13: ...Protection rating 230V Power supply voltage frequency if Vac followed by electrical absorption TS Temperature range within which product operation is guaranteed Conformity with Regulation EU 2016 426...

Страница 14: ...14 EN fig 1 DN 15 20 P max 200 mbar...

Страница 15: ...15 EN fig 2 DN 25 P max 500 mbar fig 3 CPI installation...

Страница 16: ...centre screw 14 Lower cap on versions set up for CPI installation 15 Microswitch 16 Aluminium washer 17 CPI adjustment ring nut 18 CPI connector centre screw 19 CPI connector 20 CPI fastening nut 21 C...

Страница 17: ...50 Hz B13052 BO 0410 24 VDC 17W 24 Vac Rectifier 14 VA 35500184 Rp DN 20 35500195 Rp DN 25 35500642 Rp DN 15 110 V 50 60 Hz B13089 BO 0420 110 V RAC 17W 110 Vac 230 Vac Rectifier 17 VA 35500653 Rp DN...

Страница 18: ...Expected Lifetime Cycles B10d 251278 Expected Lifetime T10d years 87 Probability of Dangerous Failures PFHD 1 h 1 33E 07 Performance Level PL d Safety Integity Level SIL 2 Mean Time to Dangerous Fail...

Страница 19: ...19 EN dv 0 65 dv 1 dv 0 47 dv 1 67 Pressure drop diagram calculated with P1 50 mbar dv density relative to the air 1 methane 2 air 3 town gas 4 lpg...

Страница 20: ...he right to any technical and construction changes Registered Office Travis Perkins PLC Lodge Way House Lodge Way Harlestone Road Northampton NN5 7UG Telephone Number 0116 245 5500 www bssindustrial c...

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