121.20.588.00
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The 121.20.588.00 unit features a bidirectional rotation and a displacement of 25 cc. Manufactured by Danfoss as part of the MCD Soft Starters series, it includes a pilot Ø36.5 mm mounting flange with 4 bolt holes. The unit utilizes a taper 1:8 drive gear with M12x1.25 threading.
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Product Description:
121.20.588.00 from Danfoss is a new addition to MCD Soft Starters family offers a displacement of 25 cc. This spec explains the volumetric capacity per revolution and determines the fluid volume delivered for each mechanical cycle. Its rotation is bidirectional and can enable reversible operation and removes the need for separate reversing mechanisms in installations. The mounting flange uses a pilot diameter of 36.5 mm with four bolt holes to ensure concentric alignment and stable attachment to compatible frames.
Its drive gear uses a taper of 1:8 with M12x1.25 thread and key 4/6, thus secures axial seating and allows standardized mating to common couplings. The machine’s inlet port size is 23.5×40 with M8 threads and it also provides a defined connection geometry for fluid intake and simplifies hose and manifold selection. Further, outlet port size is 23.5×40 with M8 threads as well and maintains flow symmetry while easing piping layout. The model’s rear cover incorporates a side drain with a 1/4 gas fitting on the vertical axis to permit controlled fluid evacuation during service operations.
Its ports position is specified as standard from catalogue which aligns spare ordering and guarantees that port locations match installation drawings. The unit 121.20.588.00 specifies a mark position standard on top at the drive gear side to facilitate consistent identification and orientation during assembly and inspection. Its standard marking places serial or batch identifiers in a predictable location for traceability. Screws are also standard and allow the use of common fasteners and reduce the need for special tooling in maintenance. Further, the drive seals are standard in nature, simplifying procurement for replacements and ensuring compatibility with mating surfaces and typical operating fluids.
Frequently Asked Questions about 121.20.588.00:
Q: What role does displacement play for part 121.20.588.00?
A: The displacement of 25 cc simply sets the volumetric output per revolution. This value determines the fluid volume delivered for each mechanical cycle and guides pump selection for required flow rates.
Q: Why is the mounting flange important on part 121.20.588.00?
A: The mounting flange is Pilot Ø36.5 mm with 4 bolt holes which secures concentric alignment. This specification ensures stable attachment to compatible frames and reduces misalignment risk.
Q: What should be noted about the inlet connection of 121.20.588.00?
A: Inlet port size of 23.5×40×M8 for this model defines the physical connection geometry. That dimension supports compatible hose and manifold selection and simplifies installation planning.
Q: How does the outlet port affect system balance for 121.20.588.00?
A: The outlet port size is 23.5×40×M8 which mirrors the inlet dimension. This symmetry preserves flow balance and eases piping layouts in compact assemblies.
Q: What is the purpose of the rear cover drain on 121.20.588.00?
A: The drain location on 121.20.588.00 helps to prevent trapped pockets and aids service procedures. As the rear cover includes a side drain 1/4 Gas on the vertical axis, it permits controlled fluid evacuation.
