Pressure Reducing Valve
Description
<br><div style="max-height: 350px;"><p style="text-align: justify; ">SHIELD manufactures two types of Pressure Reducing Valves, such as Globe Type and Angle Type. SD-PRV-G (globe) and SD-PRV-A (angle) Pressure Reducing Valves automatically reduce a higher inlet pressure to a steady lower outlet pressure regardless o changing ow rate andor varying inlet pressure. The valves pilot control system is very sensitive to slight downstream pressure fluctuation, and will automatically open or close to maintain the desired pressure setting. The downstream pressure can be set over a wide range by turning the adjustment screw on the CRD pilot control. The adjustment screw is protected by a screw-on cover, which can be sealed to discourage tampering.</p><p style="text-align: justify; ">Our diaphragm actuated design is proven highly reliable and easy to maintain. We oer both aglobe or angle pattern with a ull range o adjustments. These valves are also available in a variety o material options. Epoxy coating is strongly recommended or all re system valves (excluding bronze valves). The SDPRV- G and SD-PRV-A can be supplied with optional</p><p style="text-align: justify; ">internal and external epoxy coating o the main valve wetted surfaces.</p><p style="text-align: justify; ">This Valve is indispensable when the fire pump pressure exceeds 12-bar. </p><div style="text-align: justify; "><br></div></div><br><div style="max-height: 350px;"><p><span style="font-size: 12pt;"> </span></p><table style="border: none;"><br><tbody><tr><br><td style="width:155.8pt;border:solid windowtext 1.0pt;<br>mso-border-alt:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt"><br><p><span style="font-size:12.0pt"> </span></p><br><p><span style="font-size:12.0pt">Size</span></p><br></td><br><td style="width:77.95pt;border:solid windowtext 1.0pt;<br>border-left:none;mso-border-left-alt:solid windowtext .5pt;mso-border-alt:<br>solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt"><br><p><span style="font-size:12.0pt">175 lb Class</span></p><br></td><br><td style="width:233.75pt;border:solid windowtext 1.0pt;<br>border-left:none;mso-border-left-alt:solid windowtext .5pt;mso-border-alt:<br>solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt"><br><p style="margin-bottom:0in;margin-bottom:.0001pt;line-height:<br>normal">1/1/2 “ to 8” (Globe), 2”-6” (Angle)</p><br></td><br></tr><br><tr><br><td style="width:77.95pt;border-top:none;border-left:<br>none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;<br>mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;<br>mso-border-alt:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt"><br><p><span style="font-size:12.0pt">300 lb Class</span></p><br></td><br><td style="width:233.75pt;border-top:none;<br>border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;<br>mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;<br>mso-border-alt:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt"><br><p>1/1/2 “ to 8” (Globe), 2”-6” (Angle)<span style="font-size:12.0pt"></span></p><br></td><br></tr><br><tr style="mso-yfti-irow:2;height:57.55pt"><br><td style="width:155.8pt;border:solid windowtext 1.0pt;<br>border-top:none;mso-border-top-alt:solid windowtext .5pt;mso-border-alt:solid windowtext .5pt;<br>padding:0in 5.4pt 0in 5.4pt;height:57.55pt"><br><p><span style="font-size:12.0pt"> </span></p><br><p><span style="font-size:12.0pt"> </span></p><br><p><span style="font-size:12.0pt">End Details</span></p><br></td><br><td style="width:311.7pt;border-top:none;<br>border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;<br>mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;<br>mso-border-alt:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt;height:57.55pt"><br><p><span style="font-size:12.0pt">50 ANSI B16.42 (Ductile<br>Iron) (Bronze)</span></p><br><p><span style="font-size:12.0pt">300 # (Ductile Iron)</span></p><br><p><span style="font-size:12.0pt">300 # (Cast Steel)</span></p><br><p><span style="font-size:12.0pt">300# (Ductile Grooved<br>End)</span></p><br><p><span style="font-size:12.0pt"> </span></p><br></td><br></tr><br><tr><br><td style="width:155.8pt;border:solid windowtext 1.0pt;<br>border-top:none;mso-border-top-alt:solid windowtext .5pt;mso-border-alt:solid windowtext .5pt;<br>padding:0in 5.4pt 0in 5.4pt"><br><p><span style="font-size:12.0pt">Pressure Differential </span></p><br></td><br><td style="width:155.85pt;border-top:none;<br>border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;<br>mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;<br>mso-border-alt:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt"><br><p><span style="font-size:12.0pt">175 lb Class</span></p><br></td><br><td style="width:155.85pt;border-top:none;border-left:<br>none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;<br>mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;<br>mso-border-alt:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt"><br><p><span style="font-size:12.0pt">30-165 psi</span></p><br></td><br></tr><br><tr><br><td style="width:155.8pt;border:solid windowtext 1.0pt;<br>border-top:none;mso-border-top-alt:solid windowtext .5pt;mso-border-alt:solid windowtext .5pt;<br>padding:0in 5.4pt 0in 5.4pt"><br><p><span style="font-size:12.0pt">Pressure Adjustment</span></p><br></td><br><td style="width:155.85pt;border-top:none;<br>border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;<br>mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;<br>mso-border-alt:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt"><br><p><span style="font-size:12.0pt">300 lb Class</span></p><br></td><br><td style="width:155.85pt;border-top:none;border-left:<br>none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;<br>mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;<br>mso-border-alt:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt"><br><p><span style="font-size:12.0pt">30-165 psi</span></p><br></td><br></tr><br><tr><br><td style="width:155.8pt;border:solid windowtext 1.0pt;<br>border-top:none;mso-border-top-alt:solid windowtext .5pt;mso-border-alt:solid windowtext .5pt;<br>padding:0in 5.4pt 0in 5.4pt"><br><p><span style="font-size:12.0pt">Temperature Range</span></p><br></td><br><td style="width:311.7pt;border-top:none;<br>border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;<br>mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;<br>mso-border-alt:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt"><br><p><span style="font-size:12.0pt">Water to 180 deg F (Max)</span></p><br></td><br></tr><br><br><tr><br><td style="border:none"></td><br><td style="border:none"></td><br><td style="border:none"></td><br><td style="border:none"></td><br></tr><br><br></tbody></table><p><br><br></p><p><span style="font-size:12.0pt"> </span></p></div><br>
