AS568-213 NBR O-Ring 90 Shore A Rubber O Ring for Oilfield Valve and Pump Sealing

AS568-213 NBR 90 Shore A O-Ring for Oilfield Valve and Pump Sealing

Royal Way manufactures the AS568-213 NBR 90 Shore A O-ring for oilfield equipment builders, maintenance teams and seal distributors. This compact dash-size ring combines a 0.921-inch inside diameter with a 0.139-inch cross-section, giving purchasing teams a clear size reference for valve, pump and hydraulic-service programs.

The featured Buna-N compound is selected for petroleum-oil and compatible hydraulic-fluid applications. Its 90 Shore A hardness provides a firmer sealing element for equipment designs that specify this material grade and gland configuration. Share the AS568 number, compound and hardness with your team to streamline replacement sourcing and production planning.

AS568-213 dimensions and featured build

90A NBR performance for oilfield service

NBR / Buna-N is a proven choice for petroleum oils and compatible hydraulic fluids across oilfield and industrial equipment. The 90 Shore A option brings a firmer compound configuration for glands designed around this hardness, supporting seal programs for compact valve passages, pump housings and hydraulic components.

Applications across valves, pumps and pressure-control tools

AS568-213 seals support oilfield equipment programs where the specified gland calls for this size and NBR 90A construction. Royal Way helps buyers organize repeat sourcing for valve bodies, pump assemblies, hydraulic cylinders and pressure-control service tools.

• Oilfield valve bodies, covers and manifold assemblies
• Pump housings and hydraulic service components
• Pressure-control equipment and downhole tool glands
• OEM spare-parts programs and maintenance inventory

Factory production for repeatable O-ring supply

Jiangsu Ruowei Energy Technology Co., Ltd. produces Royal Way rubber seals through an integrated manufacturing workflow. The AS568-213 program connects compound preparation and mold setup with controlled molding, vulcanization, finishing and dimensional review, supporting repeat orders for oilfield equipment makers and distributors.

ISO 9001 quality management and inspection capability

Royal Way production operates within Jiangsu Ruowei's ISO 9001:2015 quality management system. In-house inspection resources help review compound behavior, mechanical properties, hardness, density and molded dimensions across oilfield rubber production programs.

OEM supply for oilfield equipment programs

Royal Way supports oilfield valve, pump and pressure-control OEM programs with AS568 O-rings, compound options and custom molded rubber components. For API equipment projects, buyers can coordinate the specified size, NBR grade, hardness, equipment reference, order quantity and inspection points with the factory team.

Frequently asked questions

What are the dimensions of an AS568-213 O-ring?
It measures 0.921 inch inside diameter and 0.139 inch cross-section; the reference outside diameter is 1.199 inches.

Which material and hardness are featured?
This product configuration is NBR / Buna-N at 90 Shore A.

Where is this O-ring used in oilfield equipment?
Compatible valve, pump, hydraulic-cylinder and pressure-control assemblies can specify the AS568-213 size.

Can Royal Way support other compound builds?
Royal Way also supports AS568 O-ring programs in NBR, HNBR and FKM with 70 and 90 Shore A options.

What should I include in an RFQ?
Share the AS568 size, compound, hardness, equipment reference, quantity and requested inspection scope.

Choose the Royal Way AS568-213 NBR 90 Shore A O-ring for your oilfield valve, pump and hydraulic-service program. Contact our team for standard-size supply, OEM production and factory-direct rubber sealing support.