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-20~120℃ Brass Adjustable Pressure Switches

China Keram (Nanjing)ELECTRICAL Equipment Co., Ltd. certification
China Keram (Nanjing)ELECTRICAL Equipment Co., Ltd. certification
Customer Reviews
The flow switch is very good, the appearance is also beautiful, in line with the manufacturer's description.


The differential pressure transmitter is in line with my use requirements, and the manufacturer is also very cooperative, helping me solve a lot of problems, and the service is very good.

—— John

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-20~120℃ Brass Adjustable Pressure Switches

-20~120℃ Brass Adjustable Pressure Switches
-20~120℃ Brass Adjustable Pressure Switches
-20~120℃ Brass Adjustable Pressure Switches -20~120℃ Brass Adjustable Pressure Switches -20~120℃ Brass Adjustable Pressure Switches -20~120℃ Brass Adjustable Pressure Switches -20~120℃ Brass Adjustable Pressure Switches

Large Image :  -20~120℃ Brass Adjustable Pressure Switches

Product Details:
Place of Origin: China
Brand Name: KeramControls
Certification: CE
Model Number: Q Series
Payment & Shipping Terms:
Minimum Order Quantity: 10
Packaging Details: package
Delivery Time: 7 days
Supply Ability: 10000pics/month

-20~120℃ Brass Adjustable Pressure Switches

Range: 5-16bar Operating Temperature:: -20~120℃
Maximum Pressure: 33bar Protection: IP44
High Light:

IP44 Brass Adjustable Pressure Switches


33bar Brass Adjustable Pressure Switches


Brass Q Series Pressure Switches

-20~120℃ brass adjustable pressure switches




Q series pressure switch is a pressure switch used to detect flow failures in equipment. The medium can be liquid or gas, and the medium temperature can be as low as -20°C to as high as 120°C. The range is optional, and its connection to the medium is brass. material, can effectively prolong the service life.

Pressure switches are widely used in high and low pressure protection control of household, commercial and automotive refrigeration systems, steam conditions and power stations; accumulators, receivers, flash tanks, separators, scrubbers, oil refining units. It can also be applied to high and low pressure protection control of various equipment tools.

  • Q series single pressure controls can be not only used in fluorinated refrigerant, but also in the air and liquid(allowed liquid temp. -20 to 120°C)
  • Adjustable range and differential settings
  • Renovated SPDT micro-switch ensures the reliable switch function
  • Flexible mounting bracket suits various kids of application
  • Upper lid is optional (IP44)
  • Various connections are available on request
  • Automatic and manual reset version
  • The material of bellows is copper and pressure interface is brass
  • Several models available in drip-proof enclosure for marine applications or in explosion-proof enclosure for special applications
  • CE approval

Technical Data


Model Range(bar) Differential(bar) Factory setting(bar) Max bellows pressure
Min Max Min Max OFF ON
Q3 -0.5 3 0.35 1.5 2 1 16.5
Q6 -0.5 6 0.6 4 3 2 16.5
Q6M -0.5 6 ≤1 3 Manual reset 16.5
Q10 1 10 1 3 6 5 16.5
Q16 5 16 1 4 10 8 33
Q20 5 20 2 5 16 3 33
Q30D 5 30 3 10 20 15 33
Q30 6 30 3-5(fixed) 20 15-17 33
Q30M 6 30 ≤4 20 Manual reset 33



Calibration unit on scale plate with “bar” & “psig”, could be revised into “Mpa”& “kgf/cm2” if required by customers. Connections could have selections as British Flare (E), solder (C) and capillary (S).

Dimensions (mm)


-20~120℃ Brass Adjustable Pressure Switches 0

Electric Rating


Rated Amps(A)

Rated Voltage







Non-Inductive Current 20A 10A 10A
Inductive Current Full Load Current 15A 8A 8A
Locked Roter 72A 64A

Electric wiring


-20~120℃ Brass Adjustable Pressure Switches 1

-20~120℃ Brass Adjustable Pressure Switches 2


-20~120℃ Brass Adjustable Pressure Switches 3




1 Q: What's the delivery time?

A: According to the specification and quantity of your order, generally 4

days for normal standard products within 10pcs.


2 Q:Are you manufacturer or trading company?

A: We are manufacturer with many years of experience.We have our

own factory.Welcome to visit our factory.


3 Q: Can we use our logo on the products?

A: Yes.We can provide OEM service.


4 Q: Do you have products with ex-proof certificate?

A: Yes,we can offer intrinsic-safety and flame proof certificates.


5 Q: What is the warranty of your products?

A: Normal is 12 months.


6 Q: What's the means of transport?

A: Express such as TNT,Fedex,DHL,UPS, or logistics by indicator.



Contact Details
Keram (Nanjing)ELECTRICAL Equipment Co., Ltd.

Contact Person: Jackchen

Tel: 17805133926

Send your inquiry directly to us (0 / 3000)