Attributes

Brand	-
Category	Standard Parts, Components & Industrial Consumables / Couplings
Origin	-
Material	304 Stainless Steel
Coupling Type	DJM Diaphragm
Configuration	Single and Double Diaphragm
Elastic Element	DML Elastic Disc
Included Component	Expansion Sleeves
Model Series	SJM 012345678910
Max Torque Capacity	High Torque Transmission
Misalignment Compensation	Angular, Parallel, and Axial
Surface Finish	Polished and Corrosion Resistant
Application Industry	Industrial Machinery and Pumps

6 reviews

Anonymous

Mar 27, 2026

Rating: 5/5

Perfect fit for our pump assembly

The stainless steel construction is top-notch. We installed the double diaphragm version on a high-speed pump, and it handles the misalignment perfectly without any vibration issues.

Anonymous

Mar 18, 2026

Rating: 5/5

Excellent for corrosive environments

Using these in a facility with high humidity and occasional chemical exposure. The 304 stainless steel holds up beautifully with no signs of rust after three months of operation.

Anonymous

Mar 12, 2026

Rating: 5/5

Robust and reliable

We replaced an older rubber coupling with this DJM type. The difference in durability is night and day. The DML elastic element seems very resilient under heavy load.

Anonymous

Mar 10, 2026

Rating: 4/5

Good value for industrial use

Solid engineering. The single diaphragm model works great for our conveyor system. Instructions could be slightly more detailed, but standard installation practices apply.

Anonymous

Mar 07, 2026

Rating: 5/5

Smooth operation

Very impressed with the balance of this coupling. It runs smoothly at high RPMs. The expansion sleeves ensure a tight grip on the shafts without damaging them.

Anonymous

Mar 05, 2026

Rating: 4/5

Great quality, slightly long lead time

The coupling itself is excellent quality and the expansion sleeves made installation very easy. Only giving 4 stars because shipping took a bit longer than expected, but the product is worth the wait.

5 FAQ

Q: What is the maximum operating temperature for the DML elastic element?

A: The standard DML elastic element can typically withstand temperatures ranging from -40°C to +120°C. For extreme temperatures, please contact us for specialized options.

Q: Can I mix single and double diaphragm configurations in the same order?

A: Yes, you can order both single and double diaphragm configurations. Please specify the required quantity for each type when placing your order.

Q: Are the expansion sleeves included in the package?

A: Yes, the expansion sleeves are included with every DJM type disc assembly unit as stated in the product description.

Q: How do I determine the correct size for my motor shaft?

A: Please refer to the technical datasheet for bore size ranges. If you provide your motor model and shaft diameter, our team can recommend the exact SJM series part number you need.

Q: Does this coupling require lubrication during operation?

A: No, the DJM type diaphragm coupling is designed to be maintenance-free and does not require lubrication, which helps keep your system clean.

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