1890 Orifice Areas

<body topmargin=0 leftmargin=0 marginheight=0 marginwidth=0> <table cellpadding=0 cellspacing=0 border=0><tr> <td valign="top" colspan=2 height=90 BGCOLOR="#000066" TEXT="#F7F7FF" bgproperties="fixed" background="66b00c10dkbliw.jpg"> <div> <FONT SIZE="2" COLOR="#FF6600" FACE="Arial" ><A HREF="index.htm" TARGET="_top" TITLE="PRD Technologies Inc."><U><B>HOME </B></U></A><B> </B></FONT><B>   </B><A HREF="id91.htm" TARGET="_top" TITLE="Orifice Areas"><U><B> </B></U></A><FONT SIZE="2" COLOR="#FF6600" FACE="Arial" ><A HREF="id91.htm" TARGET="_top" TITLE="Orifice Areas"><U><B> BACK </B></U></A></FONT><A HREF="id91.htm" TARGET="_top" TITLE="Orifice Areas"><U><B> </B></U></A><B>|  </B><FONT SIZE="7" COLOR="#FF6600" FACE="Arial" ><B> </B></FONT><FONT SIZE="7" COLOR="#FFFFCC" FACE="Arial" ><B>  </B></FONT><FONT SIZE="6" COLOR="#FFFFFF" FACE="Arial" ><B>PRD Technologies Inc.</B></FONT></div> <bR> <div> <I><B>PRESSURE RELIEF SOLUTIONS & SERVICES</B></I></div> </td> </tr><tr> <td valign="top" width=210 BGCOLOR="#FFFFFF" TEXT="#080000"> <div> 1890 Orifice Areas</div> <div> <B>1890 Series</B></div> <div> <B><IMG SRC="06f8abd0.jpg" border=0 width="138" height="189" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></B></div> <div> <A HREF="id91.htm" TARGET="_top" TITLE="Orifice Areas"><U><B>Return to Orifice Area Summary</B></U></A></div> <div> <B><IMG SRC="57482420.jpg" border=0 width="130" height="66" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></B></div> </td> <td valign="top" height=390 BGCOLOR="#FFFFFF" TEXT="#080000"> <div> <IMG SRC="41a9b3e0.png" border=0 width="155" height="62" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></div> <bR> <div> Farris Engineering Valve Orifice Areas</div> <bR> <div> <B>1890,1890L Series</B></div> <bR> <div> Serial # Suffix M</div> <div> <TABLE BORDER="2" CELLPADDING="2" CELLSPACING="1" WIDTH="239" BORDERCOLORLIGHT="#C0C0C0" BORDERCOLORDARK="#808080" FRAME="BOX" RULES="ALL" HSPACE="0" VSPACE="0" > <tR> <tD VALIGN=TOP HEIGHT= 20 ><NOBR><div> <B>Inlet Size</B></div> </NOBR></tD> <tD VALIGN=TOP WIDTH="71"><div> <B>Vapor</B></div> </tD> <tD VALIGN=TOP WIDTH="71"><div> <B>Liquid</B></div> </tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 20 WIDTH="71"><div> <B>1/2</B></div> </tD> <tD VALIGN=TOP WIDTH="71"><div> 0.089</div> </tD> <tD VALIGN=TOP WIDTH="71"><div> 0.077</div> </tD> </tR> <tR> <tD VALIGN=TOP HEIGHT= 20 WIDTH="71"><div> <B>3/4</B></div> </tD> <tD VALIGN=TOP WIDTH="71"><div> 0.089</div> </tD> <tD VALIGN=TOP WIDTH="71"><div> 0.077</div> </tD> </tR> </TABLE></div> <bR> <div> <B>Coeff of Discharge : Vap Kd = 0.953</B></div> <div> <B>Liq Kd = 0.755 </B><FONT SIZE="2" COLOR="#000000" FACE="Arial" ><B>(Use ASME Code Liq Equation)</B></FONT></div> <bR> <div> <B>Certified for Air, Steam, Liquid Service</B></div> </td> </tr></table></body>