Emerson Sempell series Скачать руководство пользователя страница 18

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"Z"

A160

Sempell

SerieS STe 4 ConTrol DeviCe for SafeTy valveS

Operating instructiOns

SySTeM CirCUiT DiaGraM
Design with pressure regulator R2 for increased lifting air pressure

SySTeM CirCUiT DiaGraM

Pneumatic control unit A163

loading air

Compressed-air

supply

lifting

ø22 x 2 Pipe

Compressed air hose ø19 mm

Safety valve

Pipe ø22 x 2 on site

Detail “Z”

System

pressure

Sense line

Scope of supply

Air exhaust

Compressed air supply connection pipe ø22 x 2

Main supply

lifting air

Safety valve

Pulse generating unit A161

System

noteS

E1 - E3

Pressure sense line

a1 - a3

Shut-off valve

D1 - D3

Pressure switch

C Key
G

valve interlock

P1 - P5

Test connection

D Throttle
f filter
B

Cavity for loading

Cavitye for lifting

y1 - y3

Solenoid valve (closed-circuit principle)

Solenoid valve (open-circuit principle)

Pressure gauge for loading

Pressure gauge for lifting (easing)

R1, R2

Pressure control valve

A160

Pneumatic actuator

Safety valve

Содержание Sempell series

Страница 1: ...injury while discharging in case of open discharge line Extreme vibrations chatter can lead to an inadmissible increase of operating pressure with possibly destruction of the safety valve or to destruction of the balanced bellows with unintentional escape of medium Application limits It is only allowed to use the safety valves and the control device according to the details of this operating instr...

Страница 2: ...he pressure space H of the pneumatic actuator for lifting air with the atmosphere Via pressure regulator R1 filter F and throttle D the loading air is on the loading cavity B of the pneumatic actuator It causes an additional closing force to the spindle of the spring loaded safety valve with pneumatic actuator The pressure gauge MB in the control unit shows the loading pressure the control lamps Y...

Страница 3: ...tches for working and testing are on the front panel Pressing the switch Lamp Test en ergizes all control lamps The pneumatic control unit contains the connections for the compressed air supply of the pneumatic section through pressure regulator R1 and air filter F to three closed circuit 2 2 way solenoid valves Y1 Y2 Y3 one open circuit 3 2 way solenoid valve Y4 and the pressure gauges for loadin...

Страница 4: ...m pressure has no influence In doing so temporarily prevent the response of the safety valve by the pneumatic actuator 4 2 Pre setting In case of a new adjustment or of great deviations pre set both micro switches of the pressure switch D1 D2 D3 approximately at their set value first The precision pressure switches Manocomb Sem 2K have calibrated nominal value scales for P max and P min with an ac...

Страница 5: ...he actual status of the control device by visual check The actual function will be shown as follows The safety valve is closed and loading air is applied Electric switch unit white control lamp Operation shines Gauge reading is in the black area Operation Green lamps Y1 Y2 Y3 and B shine Pneumatic control unit gauge reading present at Load MB Inspection window Load is green 4 7 Testing 4 7 1 Check...

Страница 6: ...ressure P max at the test gauge Solenoid valve Y3 powerless Drop of the loading air indicator at the pressure gauge Load 0 2 bar no lifting air Indicator pressure gauge Lifting 0 bar ampere meter in position Test 1 Slowly drop pressure until the pressure switch switches back Read corresponding pressure P min at the test gauge Solenoid valve Y3 is energized and closes Loading air will be charged In...

Страница 7: ...o the highest value Press and hold push button for displacement force reserve of solenoid valve Y3 Slowly turn the potentiometer anti clockwise until the solenoid valve Y3 actuate power will be reduced Solenoid valve Y3 opens The load will be relieved The loading air pressure has to drop to 0 2 bar indicator pressure gauge Load ampere meter into position Test 1 register the reading of the potentio...

Страница 8: ... the hand actuation until the solenoid valves Y1 Y4 have relieved the piston space B Indicator shown pressure at the gauge lowers to p 0 bar 4 7 6 Safety valve adjustment pneumatic To execute the adjustment of the safety valve at any system pressure and without considerable disturbance of the actual working procedures the following test method is proposed For each safety valve determine once the a...

Страница 9: ...d according to VdTÜV Merkblatt SV 846 5 1 At inspection test Before commissioning 1 Check correspondence of approved type test identification number with the mark on the control unit 5 2 At periodic inspections 1 Check external state 2 Yearly check control device according to section 5 1 point 4 3 Yearly check the adjustment of the main valve without loading and lifting air see section 4 7 6 4 Yea...

Страница 10: ...here is no further maintenance necessary The pressure regulator R1 in the control unit of the compressed air supply is a simple acting membrane regulator with automatic release of the secondary pressure By moving up and turning of the regulator handle adjust the pressure and read it at the pressure gauge Moving down the regulator handle secures the adjustment 7 1 Storage At delivery of the control...

Страница 11: ...d as little as possible pressure fluctuations The power supply of the heater can be disconnected by an additional switch For outdoor installation additionally protect the system from direct exposure of sunlight After commissioning check the pressure sense lines up to the pressure switch on tightness Upstream each pressure switch D1 D2 D3 there is a corresponding shut off valve A1 A2 A3 in the impu...

Страница 12: ...res Open the front door of the electric switch unit A162 Disconnect the power supply by the key operated switch Indicator white control lamp Operation goes out Open front door of the pneumatic control unit A163 Register the shown pressure at the gauge of the pressure regulator R1 Shutoff compressed air supply at the handwheel of the pressure regulator R1 Indicator shown pressure at the gauge lower...

Страница 13: ...the whole maintenance unit pressure regulator R1 and filter F In doing so do not loosen gasket ring Loosen the 4 cross slotted bolts at the maintenance unit and at the same action block the hexagonal nuts Remove bottom cover After loosen the hexagonal screw size 10 mm with plate it is possible to remove the filter Clean or replace filter if necessary see also section 6 1 Installation The installat...

Страница 14: ...ndards and Specification Other Applied EC Directives Sempell GmbH Werner von Siemens Straße 41352 Korschenbroich Control Devices STE 4 with CE Marking Module H1 TÜV CERT Certification agency for QM Systems of TÜV Rheinland Industrie Service GmbH Am Grauen Stein 51101 Köln registration number 0035 Type test VdTÜV SV 846 TÜV CERT Certification agency for QM Systeme of TÜV Rheinland Industrie Service...

Страница 15: ...ressure switch Manocomb Sem 2K A116 Pinter Div P1 P3 3 Vice coupling 2103 01 44 00 Hydrotechnik Div Spare part list Electrical Switch Unit A162 see documentation electric switch unit Spare part list pneumatic switch unit A163 Part no Name of part Order no Dim Manufacturer Material Y1 Y3 2 2 way valve 404 B G1 2 Bürkert Div Y4 3 2 way valve 340 C Bürkert Div MH MB Pressure gauge 1 827 231 035 Bosch...

Страница 16: ...G2 D2 E3 E1 P3 A3 G3 D3 P1 A1 G1 D1 b bar a bar 0 bar a b b bar a bar bar 0 b a bar b bar a bar 0 a b Sempell Series STE 4 Control Device for safety valves Operating Instructions Pneumatic Control Unit A163 Impulse Unit A161 Design B2 Manual lifting ...

Страница 17: ...cal switching unit Pressure Travel System pressure Pulse generating unit Pneumatic control unit A163 Loading air Compressed air supply Lifting air Safety valve Pulse generating unit A161 System Notes E1 E3 Pressure sense line A1 A3 Shut off valve D1 D3 Pressure switch C Key G Valve interlock P1 P5 Test connection D Throttle F Filter B Cavity for loading H Cavity for lifting Y1 Y3 Solenoid valve cl...

Страница 18: ... Safety valve Pipe ø22 x 2 on site Detail Z System pressure Sense line Scope of supply Air exhaust Compressed air supply connection pipe ø22 x 2 Main supply Lifting air Safety valve Pulse generating unit A161 System Notes E1 E3 Pressure sense line A1 A3 Shut off valve D1 D3 Pressure switch C Key G Valve interlock P1 P5 Test connection D Throttle F Filter B Cavity for loading H Cavitye for lifting ...

Страница 19: ...o safety valves Diagram for the Adjustment Control of the Safety Valve Loading Lifting Lifting by manual operating design B2 Safety valve superheater Safety valve drum Pressure superheater Sense line Water lock Lifting air pressure bar Characteristic line Set pressure uncontrolled System pressure bar Pressure drum ...

Страница 20: ...pressure applications high safety factor systems To allow for possible variations in tube hardness when the application demands the maximum pressure sealing capabilities of the fitting it is recommended that the nuts are tightened until the tube cannot be rotated by hand From this point the nut should then be tightened 1 turns Retightening and disassembly With A Lok tube fittings the connection ca...

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Emerson Sempell series, Руководство по эксплуатации

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