AROSeals & Packing

ARO Packing, U-Cup: U-Cup

ARO Seals & Packing. Specifications: Product Type: U-Cup.

SKU 3G-OTH-87126

Also listed as: Y18650 · Y186 50

Brand

ARO

Item

Packing, U-Cup: U-Cup

Local availability & support

Delivery: Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

ARO

Manufacturer Part Number

Y186-50 

Product Type

U-Cup 

Technical Documents

No technical documents available for this product.

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ARO Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

ARO Seals & Packing. Specifications: Product Type: U-Cup.

Frequently Asked Questions

What is an ARO U-Cup packing seal used for?

An ARO U-Cup packing seal, part Y186-50, is used in pneumatic and hydraulic cylinders to prevent fluid leakage around reciprocating rods. It provides reliable sealing in industrial pumps, actuators, and valves across machining, material handling, and other plant equipment.

What are the specifications of the ARO Y186-50 U-Cup?

The ARO Y186-50 is a U-Cup type packing seal. Its manufacturer part number is Y186-50. This seal is designed for rod sealing applications in fluid power systems. For exact dimensions and material composition, consult the ARO technical datasheet.

Where to buy ARO Y186-50 U-Cup seals worldwide?

3G Electric supplies the ARO Y186-50 U-Cup seal to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact our team for a quote and lead time on this genuine ARO part.

How to install an ARO U-Cup packing seal?

To install an ARO U-Cup seal, ensure the gland and rod are clean and free of burrs. Lubricate the seal with compatible hydraulic oil. Use a seal installation tool to avoid twisting or cutting the lip. Press the U-Cup evenly into the groove until seated.

Used in

Common applications for ARO

Chemical processing — ARO AODD pumps with PTFE diaphragms and check valves for transferring corrosive acids and solvents.

Wastewater treatment — ARO aluminum-housing AODD pumps handling sludge and abrasive slurries in treatment plants.

Packaging automation — ARO PremAir series solenoid valves controlling pneumatic actuators on filling and sealing machines.

Mining operations — ARO 316 stainless steel AODD pumps for dewatering and transferring abrasive mine tailings.

Material handling — ARO MaxAir series foot pedal valves for manual control of conveyor diverters and lift tables.

Maintenance repair — ARO repair kits for field servicing of lower pump assemblies in industrial fluid systems.

ARO Products

3G Electric supplies ARO seals & packing. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

Browse all ARO products →Contact our engineers →