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Brass water flow switch for water pump

Certification
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.

—— KENT

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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Brass water flow switch for water pump

Brass water flow switch for water pump
Brass water flow switch for water pump
Brass water flow switch for water pump Brass water flow switch for water pump Brass water flow switch for water pump Brass water flow switch for water pump Brass water flow switch for water pump

Large Image :  Brass water flow switch for water pump

Product Details:
Place of Origin: China
Brand Name: KeramControls
Certification: CE
Model Number: KWFS
Payment & Shipping Terms:
Minimum Order Quantity: 10
Packaging Details: Package
Delivery Time: 7days
Payment Terms: L/C, T/T
Supply Ability: 2000pics/month

Brass water flow switch for water pump

Description
Output: SPDT 15(8A) 24/250VAC Flow Rates: See Flow Rate Table
Liquid Applications: Hot, Chilled, Well, Pool And Sea Water,Brine Or Ethylene Glycol Parts Material In Contact With Fluid: Brass
High Light:

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Brass water flow switch for water pump

 

Description

 

KWFS liquid flow switch is a micro switch that transmits signals to achieve the purpose of controlling liquid flow.It is a pressure-triggered quick switch, also known as a sensitive switch. Its working principle is: the external mechanical force acts on the action reed through the transmission element, and after the energy is accumulated to the critical point, an instantaneous action is generated, so that the moving contact and the fixed contact at the end of the action reed are quickly connected or disconnected. open. When the force on the transmission element is removed, the action reed produces a reverse action force. When the reverse stroke of the transmission element reaches the critical point of the action of the reed, the reverse action is completed instantaneously. The contact distance of the micro switch is very small, and it has the characteristics of short action stroke, small pressing power, and rapid on-off.

 

It can be used in the field of HVAC, as well as heat pumps. It is made of stainless steel, and the medium temperature can reach -20~120℃.


Application


Control and monitor liquid flow of boilers, pumps, etc., of heating, cooling, and air conditioning equipment.


Features

 


● Flow control of water and normal media
● Renovated SPDT micro switch ensures the reliable switch function
●15(8A)250VAC switch rating
● IP65, class I enclosure
● Set point adjustable
● Stainless steel paddle
●Brass material
● Max. liquid temp 120℃
● Max working pressure 13.5Ba


Specifications

 

Type of operation On/Off,single-stage,micro switch
Output SPDT 15(8A) 24/250VAC
Flow rates See flow rate table
Flow rate setting adjustment Internal screw
Sensing element Paddle
Liquid applications Hot, chilled, well, pool and sea water,Brine or ethylene glycol
Parts material in contact with fluid Brass
Paddle material Stainless steel
Liquid temperature -20℃~120℃
Permissible ambient temperature -40℃~85℃
Permissible ambient humidity 10…90% RH, non-condensing
Cable entry M18 Fitting
Housing Fire Resistance ABS or PC
Protection IP65
Color White
Weight 1.0Kg

Types of Model

Model Connection
KWFS-1 1/2" -14 NPT
KWFS-2 3/4" -14 NPT
KWFS-3 1" -11½ NPT

Liquid Flow Rate Table

 

Line Pipe Size(in.) 1 1-¼ 1-½ 2 2-¼ 3 4 4Z 5 5Z 6 6Z 8 8Z
Min.flow Flow Increase
&②Connected
4.2
(1.0)
5.8
(1.3)
7.5
(1.7)
13.7
(3.1)
17.6
(4.0)
27.5
(6.2)
64..7
(14.7)
35.2
(8.0)
12.5
(28.4)
57.01
(12.9)
90.0
(43.1)
74.0
(16.8)
374.7
(85.1)
204.7
(46.5)
Flow Decrease
&③Connected
2.5
(0.6)
3.7
(0.8)
5.0
(1.1)
13.7
(2.2)
11.9
(2.7)
19
(4.3)
50.1
(11.4)
26.9
(6.1)
101.1
(22.9)
41.0
(9.3)
158.0
(35.9)
54.0
(12.3)
319.7
(72.6)
170.0
(3806)
Max.flow Flow Increase
&②Connected
9.2
(2.1)
13.3
(3.0)
17.6
(4.0)
26.9
(6.1)
30.8
(7.0)
50.2
(11.4)
127.6
(29.0)
81.0
(18.4)
245.0
(55.6)
118.0
(18.4)
374.7
(85.1)
144.0
(32.7)
759.5
(172.5)
415.0
(94.2)
Flow Decrease
&③Connected
8.1
(1.9)
12.5
(2.8)
16.3
(3.7)
25.1
(5.7)
28.6
(6.5)
471
(10.7)
122.0
(27.7)
76.2
(17.3)
234.7
(53.3)
111.0
(25.2)
359.7
(81.7)
134.7
(30.6)
729.6
(165.7)
400.6
(90.8)


Note:
①For flow rates with suffix "Z", the 6 inch paddle must be installed.
②The flow rate unit of the above table is GPM (m /h)

 


Electrical Wiring


Brass water flow switch for water pump 0
 


Installation


The flow switch can be installed in every position far from elbows or throttlings, with arrow on flow direction. If pipe is vertical, recalibrate range to balance paddle weight. If the device is downwards mounted, take care to slags and apply it in a straight pipe that is far from filters,valves,etc.,with length at least 5 times the diameter of pipe upstream and downstream the unit.
 

Note:
The flow switch is factory calibrated at its minimum sensitivity.To increase the set valve,turn the adjustment screw clockwise.The cut-out valve must be ≥the minimum flow necessary to guarantee the protection of the plant.

 


Dimensions (mm)
Brass water flow switch for water pump 1
Paddles

Brass water flow switch for water pump 2

 

Install Paddle
Pipe NO.
1" 1
11/4" 1
11/2" 1
2" 1,2
21/2" 1,2
3" 1,2,3
4" 1,2,3
4"Z 1,2,3,4
5" 1,2,3
5"Z 1,2,3,4
6" 1,2,3
6"Z 1,2,3,4
8" 1,2,3
8"Z 1,2,3,4

 

Brass water flow switch for water pump 3

 

FAQ

 

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)