Your bridge to the most competitive resources of HVAC&R in China.

+86 20 31149172 info@tofee.com.cn

Water Flow Switch (Metal Case)

  • PRODUCT DETAIL
  • DOWNLOAD
  • SHIPPING
  • PAYMENT
Description

The paddle type liquid flow switches are single-pole, double-throw (SPDT) switches that are used in liquid lines carrying water, ethylene glycol, or other liquids not classified as hazardous. They can be wired to energize one device and de-energize another device powered from the same source when liquid flow, either exceeds or drops below the set flow rate.

The flow switches are recommended for liquid pressure and temperature as mentioned below and must not be used on lines carrying liquids below 0°C. They can be used on liquids with high salt or chlorine content but is not for use in hazardous atmospheres.

The typical applications in HVAC include chillers, boilers, etc.

 

Features

∎ NEMA 3 or NEMA 3R Enclosure on Selected Models:

⋅ Allows use in indoor or outdoor applications.  

∎ Stainless Steel Bellows on Selected Models:

⋅ Allow use in fluid lines carrying chlorinated water, treated water, or other nonhazardous fluids.

∎ Low-Flow Operation on Selected (Sensitive) Models:

⋅ Actuates switch with less than 1.0 GPM (3.8 L/min) flow for water applications or 9.0 GPM (34.1 L/min) flow for steam applications.

∎ Gold-Plated Contacts on MG Models:

⋅ Reduces intermittent contact problems in low-voltage and low-current circuits.

∎ Maximum Fluid Pressure of 150 psig (1034 kPa):

⋅ Permits use in a wide range of pressure flow conditions.

 

Specifications
ProductFlow Switch
Maximum Liquid Pressure10 Bar (145psig)
Minimum Liquid Temperature0℃ (32℉)
Maximum Liquid Temperature121℃ (250℉)
Electrical Ratings120VAC208VAC240VAC277VAC
Horsepower111
Full Load Amperes16.08.88.0
Locked Rotor Amperes96.052.848.0
Non-inductive Amperes16.016.016.016.0
Operating Pressure10 Bar (145psig)
Withstand Pressure17.5Bar (254psig)
Insulation ResistanceOver 100 ohm, DC500VM
Withstand VoltageAC1500V/1minute
Contact Point Life1000K Cycle
Bellows Life500K Cycle
Pilot Duty125VA at 24/277VAC
Wiring ConnectionScrew Type Terminals
Pipe ConnectorDN25(1”) BSP thread (NPT customizable)

Conduit Connection One 7/8 in. (22mm) Hole for 1/2 in. Conduit with 1-3/32 in. (28mm) knockout Ring for 3/4 in. Conduit

 

Detailed Images

 

              ⇒ Choose quantity of paddles to have the suitable total paddle length for matching pipe size. 

 

              ⇒ 4 paddle supplied as standard.

 

 

Video

 

SHIPPING

Delivery Options:

Delivery Method
Incoterms Term
Applicable Countries
LCL, FCL by sea
EXW, FOB, CFR, CIF
General for all countries.
Air courier to door
DDU, DDP
General for all countries.
Air cargo to airport
CIF
General for all countries.
Door to door by road
DDP
Cambodia, Laos, Myanmar, Thailand, Vietnam. (keep expanding to more countries)
Door to door by seaDDU, DDPCambodia, Indonesia, Malaysia, New Zealand, Philippines, Singapore, Thailand, United Arab Emirates, United Kingdom, United States.   (keep expanding to more countries)
LCL=Less than Container Load.     FCL =Full Container Load
DDU = Delivery Duty Unpaid        DDP = Delivery Duty Paid
The above shipping information is general, and changing from time to time. Confirmation with us is necessary for each order.

Guangzhou tofee China one-stop hvac supplier

 

PAYMENT

Payment Options:
  • T/T (Telegraphic Transfer)
  • L/C (Letter of Credit)
  • Western Union
  • Alibaba Trade Assurance (Alipay)
PREV
NEXT

FOLLOW US