Specifications
Brand Name :
Siemens
Model Number :
QBM81-10
Place of Origin :
Germany
MOQ :
1
Price :
Negotiable
Payment Terms :
T/T,Western Union
Supply Ability :
500pcs/month
Delivery Time :
3 working days
Packaging Details :
original package
Condition :
Siemens original brand new
Warranty :
One year
Shipping way :
DHL FedEx express
Application :
Automation Industries, oil, gas, chemical industries
Certificate :
CE ISO TUV
Description

Differential Pressure Switch QBM81-…


for air and nonaggressive gases

For ventilation and air conditioning plants

To monitor air filters, air flow, fan belts

To monitor pressure in clean rooms, kitchens etc.

Easy to mount

>1 mio switching cycles

Highly precise setting

Long-term stability

Use

In ventilation and air conditioning plants to:

Monitor differential pressure, underpressure and overpressure

Monitor air filters and air flows

Recognize torn fan belts

Differential pressure switches can be used in clean rooms, kitchens, etc.

Type summary


Type Pressure range
QBM81-3 0,2…3 mbar 20…300 Pa 0.08…1.2 inH2O
QBM81-5 0,5…5 mbar 50...500 Pa 0.2…2 inH2O
QBM81-10 1…10 mbar 100…1000 Pa 0.4…4 inH2O
QBM81-20 5…20 mbar 500…2000 Pa 2…8 inH2O
QBM81-50 10…50 mbar 1000…5000 Pa 4…20 inH2O

Siemens Differential pressure switch QBM81-… CA1N1552E

Building Technologies 2014-07-30

Ordering

When ordering, please indicate quantity, name and product number. Example:

1 differential pressure switch QBM81-5

The accessory duct probe FK-PZ3 are included in the delivery. Additional accessories must be ordered separately.

Mechanical design

The differential pressure switch QBM81-... consists of:

Housing and cover

Diaphragm

1 sheet-steel mounting bracket

Accessory duct probe connection kit (FK-PZ3):

2 duct adaptors

4 fixing screws

2 m tubing, 5/8 mm dia.

Accessories

For precise measurements, two additional duct probe sets must be delivered; see also data sheet CA1N1589E:

FK-PZ1 Set containing two stainless steel duct adaptors with rubber grommet

FK-PZ2 Set containing two duct adaptors with aluminum fixing rosettes,

4 screws

Technical design

The differential pressure between the two pressure connections deflects a springloaded diaphragm. This special diaphragm ensures the long-term stability of switching points.


Each type is engraved with individual scales for very precise adjustment. The adjustment options are illustrated in the 5 diagrams in Section "Functions" below.

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Siemens QBM81-10 Differential Pressure Switch For Air And Nonaggressive Gases

Ask Latest Price
Brand Name :
Siemens
Model Number :
QBM81-10
Place of Origin :
Germany
MOQ :
1
Price :
Negotiable
Payment Terms :
T/T,Western Union
Contact Supplier
Siemens QBM81-10 Differential Pressure Switch For Air And Nonaggressive Gases

Shenzhen Hengyo Power Technology Co., Limited

Verified Supplier
1 Years
shenzhen
Since 2013
Business Type :
Distributor/Wholesaler, Exporter, Seller, Manufacturer, Trading Company
Total Annual :
2000000-5000000
Employee Number :
20~50
Certification Level :
Verified Supplier
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