QRA4.U UV flame detector

QRA4.U-UV flame detector, for pipeline installation, normal sensitivity (US)

The detector UV unit is located behind the rotary louver at the front of the detector tube, and the louver flange is connected to the shell. Quartz glass windows can protect pipes and louvers from dust. The wear-resistant housing can accommodate the stepper motor and electronic equipment driving the shutter to control the shutter.

QRA2, Siemens flame detector QRA2 wholesale sales in Germany,

The ultraviolet photo-eye qra2 detects ultraviolet light, which is used to detect blue flame, that is, ultraviolet light in flame, and can be used for flame safety detection of fuel or gas.

□ Mainly used for safety detection of gas burners, including standard type and high sensitivity type. QRA2M is high sensitivity type, and those without M are standard type.

LGB2/LGB4 can only be used with additional accessories AGQ1

LFL LFE1 LFE10

LMG can only be used with additional accessories AGQ2

SIEMENS program controller:

LGB series (LGB21.130A27, LGB21.230A27, LGB21.330A27, LGB22.230B27

LGB22.330A27、LGB22.330A17）

LMG series (LMG21.330B27, LMG22.330B27)

LMO series (LMO44.255C2)

LOA series (LOA24.171B27)

LAL series (LAL1.25, LAL2.25,)

LFL series (LFL1.322, LFL1.333, LFL1.335, LFL1.622)

LOK series (LOK16.250A27)

LGK series (LGK16.333A27, LGK16.335A27, LGK16.622A27)

LME series (LME11.330C2, LME21.330C2, LME22.232C2, LME39.100C2

LME39.400A2）

LEV series (LEC1/8892)

LAE series (LAE10, LAE1/8865)

2、 SIEMENS flame detector:

QRB1, QRB3, QRA2, QRA10. C, QRA10M. C, QRA53. E27, QRA53. G27, QRA55. E27, QRA55. G7, QRA4. U, RAR7, RAR9 selenium tube flame detector)

3、 SIEMENS actuator (servo motor):

SQN3 series (SQN30.111A2700/SQN30.111A3500, SQN30.121A2700/SQN30.121A3500, SQN30.151A2700

SQN31.101A2700、SQN31.402A2700、）

SQN70 series (SQN70.224A20, SQN70.294A20, SQN70.464A20, SQN70.624A20

SQN70.664A20）

SQM1 series (SQM10.15502, SQM10.15562, SQM21.18502, SQM20.18502/SQM10.16502/SQM10.16562)

SQM5 series (SQM56.687A2G3)

4、 SIEMENS gas and air valve/valve actuator:

SKP1 series (SKP10.123A27, SKP10.110B27, SKP10.111B27, SKP15.000E2, SKP15.001E2)

SKP2 series (SKP20.110B27, SKP25.003E2S, SKP25.001E2)

SKP7 series (SKP75.003E2, SKP75.001E2, SKP70.110B27, SKP70.111B27)

5、 Gas valve

VGD20…（VGD20.503）

VGD40…（VGD40.080、VGD40.100、VGD40.125、VGD40.150）

VGG…（VGG10.404P、VGG10.504P）

VGF…（VGF10.654P、VGF10.804P）

6、 Boiler and process controller RWF40 series (RWF55.50A9 RWF50.20A9)

7、 Gas valve, gas and air pressure switch, filter.

Siemens SIEMENS pressure switch: QPL25.003, QPL25.010, QPL25.050, QPL25.500

Main models:

Combustion controller and program controller

1（LME11.330C2,LME11.330C2BT,LME21.330C2,LME21.430C2BT,LME22.331C2.LME22.331C2BT）

LFL1.322/LFL1.333/LFL1.335

LMV27.100A2/LMV37.400A2/LMV51.100C2/LMV51.300B2

Damper actuator

SQM45.295B9/SQM48.497B9/SQM48.697B9

Electric eye and flame detector

1、QRI2B2.B180B/QRI2B2.B180B1/QRI2A2.B180B/QRI2A2.B180B1