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</table></td> </tr> </table> </form></td> </tr> </table> </td> </tr> </table> </td> <td width="430" valign="top"><img src="prodhed.jpg" width="391" height="55" alt="New Innovations"><br> <table width="100%" border="0" cellspacing="10"> <tr valign="top"> <td> <p align="left"><i><b><font size="+1" face="Arial, Helvetica, sans-serif">Double-Acting Piston Seals OK Profile</font></b></i></p> <p align="center"><font size="-1" face="Arial, Helvetica, sans-serif"><b>OK Profile Piston Seals for medium to heavy-duty double-acting hydraulic piston seal applications</b></font></p> <p align="left"><font face="Arial, Helvetica, sans-serif"><b>OK Profile Applications</b></font><font size="-1" face="Arial, Helvetica, sans-serif"><br> Designed for higher temperatures and pressures, the OK Piston Seals are recommended for heavy-duty hydraulic applications. The OK sealing assembly is suitable for working pressures up to 7250 PSI (500 bar) and above in some specific situations. The Piston Seals OK Profile is an effective and less expensive alternative to costly capped T-Seals and PTFE loaded cap seals.</font></p> <p align="center"><font size="-1" face="Arial, Helvetica, sans-serif"><img src="5206.jpg" alt="" width="250" height="177"></font></p> <p align="left"><font face="Arial, Helvetica, sans-serif"><b>Advantages of Piston Seals </b></font></p> <ul> <li><b><font size="-1" face="Arial, Helvetica, sans-serif" align="left">Lower installation costs</font></b></li> <li><b><font size="-1" face="Arial, Helvetica, sans-serif" align="left">Piston Seals with extended seal life</font></b></li> <li><b><font size="-1" face="Arial, Helvetica, sans-serif" align="left">High extrusion resistance at high pressures and large gaps due to the special compound properties of the cylinder sealing ring</font></b></li> <li><b><font size="-1" face="Arial, Helvetica, sans-serif" align="left">Piston Seals are resistant to high shock loads</font></b></li> <li><b><font size="-1" face="Arial, Helvetica, sans-serif" align="left">Low break-out and running friction even after lengthy stand-still under high pressures</font></b></li> <li><b><font size="-1" face="Arial, Helvetica, sans-serif" align="left">High abrasion resistance Piston Seals</font></b></li> <li><b><font size="-1" face="Arial, Helvetica, sans-serif" align="left">Premium static and dynamic sealing function</font></b></li> <li><b><font size="-1" face="Arial, Helvetica, sans-serif" align="left">Small profile</font></b></li> <li><b><font size="-1" face="Arial, Helvetica, sans-serif" align="left">Suitable housing according to ISO7425 -2</font></b></li> <li><b><font size="-1" face="Arial, Helvetica, sans-serif" align="left">Passes over ports without nibbling or extruding</font></b></li> </ul> <p><font face="Arial, Helvetica, sans-serif"><b>Field of application</b></font><font size="-1" face="Arial, Helvetica, sans-serif"><br> Working pressure:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>7250 psi (500 bar)</b><br> Working temperature:<b> -40&deg; F to 250&deg; F</b><br> Surface speed: <b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3.28 f/s (1 m/s)</b></font></p> <p><font face="Arial, Helvetica, sans-serif"><b>Ease of Installation</b></font><font size="-1" face="Arial, Helvetica, sans-serif"><br> This durable two-piece seals are designed to be compressed in the bore upon installation to minimize seepage at the gap. The OK piston seal s split design facilitates its installation on solid pistons without the necessity of auxiliary tools. The OK Profile can be snapped into closed-groove spaces. <b>Note:</b> The installation groove must be carefully deburred and cleaned of all foreign material. The cylinder bore must have a leading edge chamfer.</font></p> <p><font face="Arial, Helvetica, sans-serif"><b>Compound formulated to extend seal life</b></font><font size="-1" face="Arial, Helvetica, sans-serif"><br> The cylinder seal ring is produced of W4650, a glass reinforced nylon. The tensile strength and flexibility exhibited by W4650 provides maximum stretch during installation. Other beneficial characteristics of this material include the ability to capture and contain system contaminants such as metal chips, excellent compressive strength and the ability to resist extrusion or chipping when passing over cylinder ports. (See W4650 Physical Properties Table)</font></p> <p><font face="Arial, Helvetica, sans-serif"><b>Expander Ring</b></font><font size="-1" face="Arial, Helvetica, sans-serif"><br> This is an NBR-based elastomer with 70 shore A hardness. The rubber expander ring provides good compression set resistance which in turn increases potential seal life.</font></p> <font face="Arial, Helvetica, sans-serif"><b>W4650 Physical Properties</b></font> <table width="100%" border="0" cellspacing="2" cellpadding="2"> <tr valign="top" bgcolor="#CCCCCC"> <td width="38%" nowrap> <center> <b><font size="-1" face="Arial, Helvetica, sans-serif"> Physical Property</font></b></center></td> <td width="33%" nowrap> <center> <b><font size="-1" face="Arial, Helvetica, sans-serif"> ASTM Test Method </font></b></center></td> <td width="29%" nowrap> <center> <b><font size="-1" face="Arial, Helvetica, sans-serif"> Values</font></b></center></td> </tr> <tr valign="top" bgcolor="#FFFF99"> <td nowrap> <center> <font size="-1" face="Arial, Helvetica, sans-serif"> Tensile Strength</font></center></td> <td nowrap> <center> <font size="-1" face="Arial, Helvetica, sans-serif"> D-638</font></center></td> <td nowrap> <center> <font size="-1" face="Arial, Helvetica, sans-serif"> 17,000-23,000 PSI</font></center></td> </tr> <tr valign="top" bgcolor="#FFFF99"> <td nowrap> <center> <font size="-1" face="Arial, Helvetica, sans-serif"> Compressive Strength</font></center></td> <td nowrap> <center> <font size="-1" face="Arial, Helvetica, sans-serif"> D-695</font></center></td> <td nowrap> <center> <font size="-1" face="Arial, Helvetica, sans-serif"> 21,000-28,000 PSI</font></center></td> </tr> <tr valign="top" bgcolor="#FFFF99"> <td nowrap> <center> <font size="-1" face="Arial, Helvetica, sans-serif"> Flexural Strength</font></center></td> <td nowrap> <center> <font size="-1" face="Arial, Helvetica, sans-serif"> D-790</font></center></td> <td nowrap> <center> <font size="-1" face="Arial, Helvetica, sans-serif"> 23,000-30,000 PSI</font></center></td> </tr> <tr valign="top" bgcolor="#FFFF99"> <td nowrap> <center> <font size="-1" face="Arial, Helvetica, sans-serif"> Water Absorption</font></center></td> <td nowrap> <center> <font size="-1" face="Arial, Helvetica, sans-serif"> D-570</font></center></td> <td nowrap> <center> <font size="-1" face="Arial, Helvetica, sans-serif"> .50-.70%</font></center></td> </tr> <tr valign="top" bgcolor="#FFFF99"> <td nowrap> <center> <font size="-1" face="Arial, Helvetica, sans-serif"> Elongation</font></td></center> <td nowrap> <center> <font size="-1" face="Arial, Helvetica, sans-serif"> D-638</font></center></td> <td nowrap> <center> <font size="-1" face="Arial, Helvetica, sans-serif"> 3-10%</font></td></center> </tr> <tr valign="top" bgcolor="#FFFF99"> <td nowrap> <center> <font size="-1" face="Arial, Helvetica, sans-serif"> Tensile Modulus</font></center></td> <td nowrap> <center> <font size="-1" face="Arial, Helvetica, sans-serif"> D-638</font></center></td> <td nowrap> <center> <font size="-1" face="Arial, Helvetica, sans-serif"> 900,000 PSI</font></center></td> </tr> <tr valign="top" bgcolor="#FFFF99"> <td nowrap> <center> <font size="-1" face="Arial, Helvetica, sans-serif"> Shear Strength</font></center></td> <td nowrap> <center> <font size="-1" face="Arial, Helvetica, sans-serif"> D-732</font></center></td> <td nowrap> <center> <font size="-1" face="Arial, Helvetica, sans-serif"> 10,000-12,000 PSI</font></center></td> </tr> <tr valign="top" bgcolor="#FFFF99"> <td nowrap> <center> <font size="-1" face="Arial, Helvetica, sans-serif"> Flexural Modulus</font></center></td> <td nowrap> <center> <font size="-1" face="Arial, Helvetica, sans-serif"> D-790</font></center></td> <td nowrap> <center> <font size="-1" face="Arial, Helvetica, sans-serif"> 870,000-1,000,000</font></td></center> </tr> <tr valign="top" bgcolor="#FFFF99"> <td nowrap> <center> <font size="-1" face="Arial, Helvetica, sans-serif"> Hardness, Rockwell</font></center></td> <td nowrap> <center> <font size="-1" face="Arial, Helvetica, sans-serif"> D-785</font></center></td> <td nowrap> <center> <font size="-1" face="Arial, Helvetica, sans-serif"> 119-121 R 94-96 M</font></center></td> </tr> <tr valign="top" bgcolor="#FFFF99"> <td nowrap> <center> <font size="-1" face="Arial, Helvetica, sans-serif"> Deformation Under Load<br> (2000 PSI @ 122&deg; F)</font></center></td> <td nowrap> <center> <font size="-1" face="Arial, Helvetica, sans-serif"> D-621</font></center></td> <td nowrap> <center> <font size="-1" face="Arial, Helvetica, sans-serif"> .2-.4%</font></td></center> </tr> </table> </td> </tr> </table> </td> </tr> </table> <table width="615" border="0" cellspacing="0" cellpadding="0"> <tr> <td width="99"><img src="main51.jpg" width="66" height="37"></td> <td width="76"><img src="main52.jpg" width="76" height="37"></td> <td width="44"><a href="index.html"><img src="bhome.jpg" width="44" height="37" border="0" alt="Home"></a></td> <td width="82"><a href="products.htm"><img src="bprod.jpg" width="82" height="37" border="0" alt="Product Line"></a></td> <td width="103"><a href="order.html"><img src="border.jpg" width="103" height="37" border="0" alt="Online request"></a></td> <td width="69"><a href="about.htm"><img src="babout.jpg" width="69" height="37" border="0" alt="About Us"></a></td> <td width="10"><a href="contact.htm"><img src="bcontact.jpg" width="59" height="37" border="0" alt="Contact"></a></td> <td width="58"><a href="new.html"><img src="bnew.jpg" width="97" height="37" border="0" alt="New Innovations"></a></td> <td width="36"><img src="main53.jpg" width="19" height="37"></td> </tr> </table> <!-- PowerPhlogger Code START --> <script language="JavaScript" type="text/javascript" src="pphlogger.js"></script> <noscript><img alt="" src="http://www.ciic.com/pphlogger/pphlogger.php?id=valseal&st=img"></noscript> <!-- PowerPhlogger Code END --> <script src="http://www.google-analytics.com/urchin.js" type="text/javascript"> </script> <script type="text/javascript"> _uacct = "UA-3691386-1"; 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