Mechanical Well Water Pump Pressure Control Switch

Place of Origin China
Brand Name Sier
Certification CE,RoHS
Model Number SPK21
Minimum Order Quantity 1piece
Packaging Details Carton
Delivery Time 7days
Supply Ability 5000 pieces each month
Product Details
Max. Voltage 250V Pressure Range 20-100PSI
Max. Current 12A/20A Operating Temperature. 0-55 Degree
Application Liquid Product Name Pressure Switch
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250V Pressure Control Switch


20A Pressure Control Switch


100PSI Pressure Control Switch

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Product Description

≤12 bar (Diaphragm type)

>12 bar (Piston Type)


3% of adjusted value


10…20% of adjusted value

Repeatability 5% of adjusted value
Working temperature


Protection grade IP65

Power rating      output

≤ DC 42V            1A

≤ DC 115V          0.15A

≤ AC 42V            3A

≤ AC 125V          3A

≤ AC 250V          0.5A

Electric connector Hirschman(DIN), other type optional

Diaphragm type: NBR

Piston type : steal with NBR-seal

Process connection : Galvanized steel

Housing shell : Engineering plastics




Our Services

1. OEM Manufacturing welcome: Product, Package...

2. Sample order

3. We will reply you for your inquiry in 24 hours.

4. after sending, we will track the products for you once every two days, until you get the products. When you got the

goods, test them, and give me a feedback.If you have any questions about the problem, contact with us, we will offer

the solve way for you.




1. How fast can you delivery goods?

Always 7-10 working days since order confirmed, if need goods urgently, we can arrange expedited production.


2. What’s your MOQ?

We have no MOQ limits, 1 piece for test purpose at first is acceptable.


3. Can you offer free samples?

Yes, we can offer free samples, however you should pay for the samples at first, and then we will return the cost when you release bulk order.