18
Materials of construction
Description
ATEX pumphead
ATEX gearbox
ATEX electric motor
ATEX air motor
ATEX air filter regulator lubricator
ATEX drive coupling
18.1
Watson-Marlow manufactured parts
Close coupled pumphead adaptors
Description
313 Close coupled adaptor
505L Close coupled adaptor assembly (including
cover)
501 & 621 Close coupled duplex adaptor [DFX]
501 & 621 Close coupled adaptor mechanical
variator [DV]
621 duplex close coupled pump drive shaft components
Description
Key
Shaft
Baseplates
Description
501, 621 & 701 Series CC pumps baseplate
501, 621, 701 Series CC pumps stainless steel
baseplate
Motor (drive) spacers and mounting blocks
Description
501/621/701 Series motor (drive) foot spacer(s)
34
Material
See pumphead user manual
See manufacturer's instructions
See manufacturer's instructions
See manufacturer's instructions
See manufacturer's instructions
See manufacturer's instructions
Material
Aluminium
Aluminium
Material
Mild steel
Steel alloy
Material
Aluminium
304 & 316 Stainless
steel
Material
Aluminium
PB0448:m-501-621-701atex-en-01
Finish
Finish
Umber grey powder
coating
Black anodised
Finish
Natural
Natural
Finish
Umber grey powder
coating
Natural
Finish
Umber grey powder
coating