Products - Chain / Sprocket - Chain and Sprocket for Water Treatment Systems / Sprocket - Accessories

Example of assembled flight

Overview of tank

Flights for sludge collector used to be made from American cypress or synthetic wood, but they were difficult to work with because of their weight, and strong buoyancy while underwater could disengage the chain. FRP flights overcome these defects, as they are light and have no buoyancy. They also have superior corrosion resistance.

Mounting Procedure

Note: 1. Total flight length should not exceed 6,000mm.
2. Filler blocks are required to mount flights onto chain.
Two sets of filler blocks will be provided for each flight.

Chain and Shoe Attachment Dimensions

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Roller shoe

Typical Application of Roller shoe

Roller shoe has the following characteristics, compared to traditional sliding shoes:

Contact with the rail rolls rather than slides, extending lifespan.
Reduced rolling resistance cuts running costs.
Rail wear is reduced by rolling contact.
The rollers can be replaced separately.

Type	Dimension L （mm）	Mass （kg）
Under Type	50	1.1
	60	1.2
	70	1.3
Side Type	-	1.0
FRP Type	-	0.5

Under Type

Side Type

FRP Type

Note

The rails should be made of stainless steel or plastic.
Side-type shoes should be attached alternately, as shown in the diagram on the right, to ensure balance of the flights.
Remove any foreign bodies (spatter, mortar fragments, etc.) from on the rail before running the machinery.

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4 kinds of shoe to help flight running, made of ductile iron, stainless steel, chromium cast iron, and plastic.

Dimension A （mm）	Material	Mass （kg）
50	Cast ductile iron	1.6
	Cast stainless steel
	Cast chrome steel
	Plastic	0.22
60	Cast ductile iron	1.7
	Cast stainless steel
	Cast chrome steel
	Plastic	0.24
70	Cast ductile iron	1.8
	Cast stainless steel
	Cast chrome steel
	Plastic	0.25

Note: Specify dimension A and the material when placing your order.

Cast ductile iron, cast stainless steel, cast chrome iron

Plastic

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Enlarged seal portion

TX6 type oil seal

Oil seals for rotating components used under water must have excellent sealing performance. TX6 type oil seals have a triple-lipped structure for excellent performance, and prevent grease deterioration. They also block the entry of grit and other foreign bodies, extending the service lives of bushings, sleeves and other components.

Model Numbering System for TX6 Type Oil Seals

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Stainless spray nozzle

Hitachi stainless spray nozzle has simple structure to make easier removing foreign materials. All parts are made of 300 class stainless steel to assure high corrosion resistance. Pin and screw were designed to have sufficient strength and durability.