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SAFETY VALVES <br /> '— SAFETY VALVE- Mounted in fuel lines in submersible systems at the island <br /> surface level to shut-off in the event of fire or impact, preventing fuel spillage and <br /> fire.This is accomplished as the top of the Valve shears instantly upon impact or <br /> the fusible link melts and closes the Valve in the event of fire. The Valve features <br /> - a flapper-style poppet design, which allows unobstructed flow. Its patented design <br /> houses the poppet and seat in the lower valve body,completely independent of <br /> M the shear section, so even with the top off, the Valve provides a 100% liquid tight <br /> seal. A stainless steel reset nut eliminates stripping the fusible link during valve <br /> S reset, reducing downtime by allowing manual valve reset. An air test port allows <br /> h- = pneumatic testing of the line without breaking its integrity. <br /> Madel# Size Top Thread Weight(Ibs.) Height Width <br /> 521 521RFS-15 1'12" Female 5.2 631a' 41I2" <br /> 521 RMS-15 1'12" Male 5.3 613115 41l2" <br /> Female 521RUS-15 iVz" Union 6.3 75(16' 4112" <br /> Patented 3,378,021 <br /> - " Zinc-plating assures maximum corrosion resistance <br /> " Stainless steel shaft and spring construction provide added reliability <br /> " Ears and raised bosses allow secure .-rlve anchoring <br /> "Can be anchored by using the 521 KR ',J-Clamp Anchor <br /> • UL listed 195P <br /> * r <br /> D <br /> D � <br /> Malec <br /> F'v.t.. <br /> 7 . µ. <br /> rib _ <br /> 41� Union <br />