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ASSEMBLY well head, 6"

https://unicat.msf.org/cat/product/23803
STD CWATASSYW01

Valid Article

Former Code(s): CWATAWELH01-
The product is part of at least one Kit. A kit is a collection of products (medical and/or logistic) that are needed for a certain intervention in emergency. The choice and quantity of the articles reflects the MSF protocols for this specific situation. The use of Kits allows to start an intervention without a detailed evaluation.
OC subscriptions: included in supply or field order tools (e.g. UniField)
SC subscriptions: included in supply or field tools
OC validations: approved for procurement and use by an OC for international or local orders specifying context and activity in Medical Standard Lists (MSL)

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ASSEMBLY well head, 6"

Form

Assembly composed of:

  • A 6" borehole outlet head with cable passage
  • A 2" galvanized steel elbow
  • A 2" female threaded gate valve

Per assembled pieces.

Fit

The borehole head fit on top of a 6" casing.

​The gate valve fits on a 2" male threaded coupling.

Function

To be installed at the top of a casing.

Allows the passage of cables and the adjustment of the pump flow and protects the riser pipes.

Protects the well from external pollution and falling objects. ​

A well head or well cap is the top covering of a well. It is bolted directly onto the casing stick up.

Well heads usually have a rubber seal to prevent insects from crawling in – make sure it is not damaged during installation.

The main functions of a well head is to keep small insects, animals, dirt, and debris from entering the well and potentially contaminating the aquifer.

It is also necessary to have a functioning connection from the riser pipe to the tank or supply network and is protecting the riser pipes from damage. By adding the gate valve onto the wellhead, the flow of the pump can be adjusted.

The well head has an access port that allows periodic water-level measurements and has a screened breathing tube to allow air pressure to equalize as water levels rise and fall in the well.

It is essential that casings are sealed off with a well head to prevent contamination and damage to the borehole and aquifer and to allow for proper installation of riser pipes.