3003 Mono Compatible

Coupling Rod

Intermediate drive link between rotor and drive shaft — alloy-bushed ends.

Specifications

Coupling Rod — Key Parameters

Series	Standard Monobloc C-series
Sizes	1 / 2 / 3 / X / 4 / 5 / 6 / 7 / 8 / 9 / A
Stage Codes	A / B / D / K
Rod Materials	SS304 · SS316L · Duplex · Alloy steel

The coupling rod sits between the rotor and the drive shaft as the intermediate transmission link, accommodating the rotor’s eccentric motion. Both ends are fitted with alloy bushings to dramatically improve wear resistance at the hinge points and extend overall pump service life.

Coupling Rod

Intermediate drive link between rotor and drive shaft — alloy-bushed ends.

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Other Components

Coverage

Compatible Mono Models

Stage configurations (1–8 stage pumps):

Short Pitch — Stage 1	Short Pitch — Stage 2	Short Pitch — Stage 4	Long Pitch — Stage 1
C12A	C012	C014	C12K
C13A	C12B	C14D	C13K
C1XA	C13B	C15D	C1XK
C14A	C1KB	C16D	C14K
C15A	C14B	C17D	C15K
C16A	C15B	C18D	C16K
C17A	C16B	C19D	C17K
C18A	C17B	C1AD	C18K
C19A	C18B		C19K
C1AA	C19B		C1AK
	C1AB

More models available on request — contact us with your pump nameplate data.

Structure

Part Position in the Pump

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Send us your pump model and serial number — our engineers will match the exact part and quote within 24 hours.

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