| Place of Origin: | China |
| Brand Name: | Royal Way |
| Certification: | ISO 9001:2015 Quality Management System |
| Model Number: | AS568-222 |
| Highlight: | AS568-222 O-Ring,70 Shore A Rubber O Ring,NBR O-Ring |
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|---|---|---|---|
Royal Way supplies the AS568-222 O-ring in NBR / Buna-N at 70 Shore A for oilfield valves, pump assemblies, hydraulic cylinders and service equipment. The standard size measures 1.484 inches inside diameter with a 0.139 inch cross-section, giving maintenance teams and OEM buyers a precise part-number reference for repeat sourcing.
This listing features the flexible NBR 70A configuration. Its familiar AS568 dash number, defined section and petroleum-oil sealing compound make it a practical choice for equipment programs that specify this size and material combination. Buyers can organize an order around size, elastomer, hardness, equipment reference and inspection scope.
| Specification | Featured configuration |
|---|---|
| AS568 dash number | AS568-222 |
| Inside diameter | 1.484 in (37.69 mm) |
| Cross-section | 0.139 in (3.53 mm) |
| Outside diameter | 1.762 in (44.75 mm) |
| Elastomer | NBR / Buna-N |
| Hardness | 70 Shore A |
| Seal profile | Continuous molded O-ring |
| Oilfield applications | Valves, pumps, hydraulic cylinders and service tools |
| Supply program | Standard-size supply, maintenance orders and OEM production |
NBR / Buna-N is widely selected for oilfield and hydraulic sealing programs involving petroleum oils and compatible fluids. The 70 Shore A hardness offers a flexible material configuration for equipment builds that specify this durometer, while the AS568-222 section provides a clear dimensional basis for part identification and maintenance planning.
| Build element | Product detail | Program value |
|---|---|---|
| Size | AS568-222 | Clear dash-number identification for purchasing and spares |
| Compound | NBR / Buna-N | Oilfield material option for petroleum-oil and compatible hydraulic-fluid service |
| Hardness | 70 Shore A | Flexible hardness choice for specified glands and equipment |
| Profile | Continuous molded O-ring | Compact sealing element for compatible valve and pump assemblies |
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Royal Way supports AS568 O-ring sourcing in NBR / Buna-N, HNBR / HSN and FKM, with 70 and 90 Shore A options. The featured AS568-222 is NBR 70A; buyers can coordinate other compound and hardness combinations for equipment projects with different operating media or build requirements.
| Elastomer family | Hardness choices | Oilfield program focus |
|---|---|---|
| NBR / Buna-N | 70 or 90 Shore A | Petroleum-oil and compatible hydraulic-fluid sealing |
| HNBR / HSN | 70 or 90 Shore A | Heat, abrasion, aging and mechanical-duty programs |
| FKM / fluoroelastomer | 70 or 90 Shore A | Selected higher-temperature, fuel and chemical-equipment seals |
AS568-222 O-rings are supplied for equipment whose specified gland uses this dash size. The NBR 70A configuration supports procurement and maintenance programs for compatible valve bodies, pump assemblies, hydraulic cylinders, pressure-control equipment and downhole service tools.
Jiangsu Ruowei Energy Technology Co., Ltd. manufactures Royal Way oilfield rubber seals and custom molded components. O-ring production connects material preparation, mold setup, rubber molding, vulcanization, trimming, finishing and dimensional review, giving equipment buyers a direct path from a standard AS568 callout to a repeatable factory order.
| Production stage | Factory capability |
|---|---|
| Compound preparation | Prepare the specified NBR, HNBR or FKM material build |
| Mold setup | Set production tooling for the selected O-ring size and profile |
| Molding and vulcanization | Form and cure the continuous elastomer profile |
| Finishing | Trim and finish molded rings for a clean, uniform profile |
| Dimensional review | Review the finished size and specified material properties |
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Royal Way rubber seal production operates within Jiangsu Ruowei's ISO 9001:2015 quality management system. In-house resources support material and process review through cure analysis, tensile and elongation testing, hardness and density measurement, and video measurement for dimensional inspection. Inspection points can be coordinated with the selected product and purchase program.
| Inspection resource | Production review focus |
|---|---|
| Moving-die rheometer | Compound cure behavior and process review |
| Tensile and elongation tester | Mechanical-property evaluation for rubber compounds |
| Hardness and density instruments | Specified material-property checks |
| Video measuring equipment | O-ring profile and dimensional review |
Royal Way supports API-oriented equipment manufacturers, oilfield distributors and service teams with standard-size O-rings and drawing-based rubber components. For an AS568-222 program, buyers can coordinate the dash number, NBR compound, hardness, equipment reference, order quantity and inspection points with the factory team.
What are the dimensions of an AS568-222 O-ring?
The nominal size is 1.484 inch ID, 0.139 inch cross-section and 1.762 inch OD.
Which material and hardness are featured here?
This configuration is NBR / Buna-N at 70 Shore A.
Can Royal Way supply other materials?
AS568 O-ring programs are available in NBR, HNBR and FKM, with 70 and 90 Shore A options.
Which oilfield equipment uses this O-ring?
Compatible valves, pumps, hydraulic cylinders, pressure-control equipment and downhole service tools can specify AS568-222.
What information helps prepare an OEM quotation?
Share the dash number, elastomer, hardness, equipment reference or drawing, quantity and inspection requirements.
Specify the AS568-222 NBR 70 Shore A O-ring for your oilfield valve, pump and hydraulic-service program. Contact Royal Way for standard-size supply, OEM production and oilfield rubber manufacturing support.
Contact Person: Chris Miao
Tel: +8615618817170
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