Product Description:
The Parker 2-series O-rings are high-precision elastomeric seals, expertly molded to comply with the AS568A dimensional standards. This product line includes dash numbers ranging from 2-201 to 2-284, all maintaining a consistent cross-sectional thickness of 3.53 mm (0.139"). The inside diameters vary widely, starting at approximately 7.59 mm for the 2-201 size and extending up to 456.06 mm for the 2-284 size, thus accommodating a diverse range of gland sizes from small hydraulic fittings to large-scale industrial housings.
These O-rings are offered in three distinct elastomer families to address various fluid compatibility and temperature requirements. The NBR (Nitrile) variety is suited for general-purpose use involving petroleum and hydraulic fluids. FKM (Fluoroelastomer) compounds provide excellent resistance to aggressive chemicals and high-temperature conditions. Additionally, the EPDM (Ethylene Propylene) versions are ideal for applications involving water, steam, and polar solvents.
Each elastomer formulation ensures dependable resistance to compression set and maintains sealing effectiveness under both static and dynamic gland conditions. This makes the Parker 2-series O-rings a reliable choice across a broad spectrum of industrial and hydraulic sealing applications.
Features:
AS568A Dimensional Compliance: These seals are molded in accordance with the standard dash-number tolerances, ensuring they are fully compatible for drop-in interchangeability.
Consistent Cross-Section Size: The entire series from 2-201 to 2-284 features a uniform cross-section measuring 3.53 ± 0.10 mm in cord diameter. This uniformity simplifies the design of glands and aids in efficient spare-parts management.
NBR (Nitrile) for General-Purpose Use: NBR material exhibits excellent resistance to petroleum-based oils, fuels, and hydraulic fluids. It typically operates effectively within a temperature range of approximately -34°C to +100°C (-30°F to +212°F).
FKM (Fluoroelastomer) for Chemical Resistance: FKM seals provide high resistance against aggressive chemicals, acids, and various fuels. Their standard service temperature range spans from about -25°C to +200°C (-13°F to +392°F).
EPDM (Ethylene Propylene) for Water and Steam Applications: EPDM is the preferred choice when dealing with hot water, steam, and polar solvents. It typically performs well within the temperature range of approximately -50°C to +150°C (-58°F to +302°F).
Extensive Size Range: Covering 84 dash numbers from 2-201 up to 2-284, this series encompasses inner diameters ranging roughly from 7.59 mm to 456.06 mm, providing broad size coverage for diverse applications.
Technical Parameters:
| Hardness (Shore A) |
70, 75 |
| Material |
NBR, FKM, EPDM |
| Cross-Section |
3.53 mm |
| Typical Parker Compound |
N0674-70, V0747-75, E3609-70 |
| Tolerance |
±0.10 mm, ±0.15 mm |
| Inside Diameter |
4.34 mm to 456.06 mm |
Applications:
In the field of Hydraulic and Pneumatic Systems, NBR O-rings are commonly utilized. These seals play a crucial role in ensuring tight connections for cylinder seals, valve bodies, and various fluid line connections, providing reliable performance under pressure.
For applications in Chemical Processing, FKM O-rings are preferred due to their excellent resistance to aggressive chemicals. They are extensively used in pump housings, reactor seals, and transfer lines that handle harsh media, ensuring durability and safety.
When it comes to Water and Steam Systems, EPDM O-rings offer optimal sealing solutions. These rings are suitable for boiler fittings, hot water valves, and sanitary process lines, where they provide effective sealing against water and steam exposure.
In General Industrial Assembly, AS568 2-series O-rings are widely applied. They are ideal for use in gearboxes, actuators, flanges, and standard gland sealing, supporting a variety of mechanical assemblies with dependable sealing performance.
Support and Services:
Our Pulse Valve Diaphragm is designed to deliver reliable performance and long service life in demanding industrial applications. For technical support, please ensure you have the product model number and specifications available to facilitate accurate assistance.
We offer comprehensive services including installation guidance, troubleshooting, and maintenance tips to help you maximize the efficiency of your pulse valve diaphragm. Our technical team can provide detailed information on compatibility, operating conditions, and replacement procedures.
Regular inspection and timely replacement of the diaphragm are crucial to maintaining optimal performance and preventing system downtime. We recommend following the maintenance schedule outlined in the product manual and using only genuine replacement parts.
For any technical inquiries or service requests, please refer to the product documentation or visit our support website for FAQs, user manuals, and instructional videos that assist in the proper handling and servicing of your pulse valve diaphragm.
Packing and Shipping:
Each Pulse Valve Diaphragm is carefully packaged to ensure maximum protection during transit. The diaphragm is first placed in a sealed anti-static bag to prevent contamination and moisture damage. It is then cushioned with foam or bubble wrap and placed inside a sturdy cardboard box designed to absorb shocks and impacts.
For bulk orders, multiple units are securely packed in larger boxes with additional padding to prevent movement and potential damage. All packages are clearly labeled with product information and handling instructions to facilitate smooth processing.
We offer reliable shipping options worldwide, including standard and expedited services. Each shipment is tracked to ensure timely delivery. Our packaging and shipping process is designed to maintain the integrity and quality of the Pulse Valve Diaphragm from our facility to your doorstep.
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