Usually made of casting steel, top entry ball valves are valves that assembled its ball from the top side. It comprises one single body just like a globe valve that has body and bonnet except for an internal ball type. The top entry ball valves usually used where requires a minimal disassembly for in-line maintenances of its internal parts. Therefore it’s commonly used in high-pressure application or where doesn’t require frequent maintenances system etc. The top entry ball valves is characterized that it allows minimal thread connection to reduce the possible leakiness.

Full port and reduced port design are optional,  PERFECT provides a complete line of top entry ball valve for sale that is supplied to various industries. Available forms floating top entry and trunnion top entry. Our top entry ball valve is available form 150 up to 2500 pressure. We are a fully stocked manufacturer and distributor of the top entry ball valve and we make the valve easy to find for your need. We can also accept the OEM design, so whether you need special valves or have a large order to place, we can provide you with the customized service for you. Please review the charts below for available sizes & pressure & material or fill the contact form below.

  • Quick disassembly and easy maintenance. The valve to be repaired need not be removed from the line and can be removed and repaired online.
  • Top entry floating ball valve combined gate valve and ball valve advantages and equipped with a compression spring on the ball, which applies a pre-tightening force on the ball to make the sealing surface of the valve seat close contact in all cases, providing good sealing performance.
  • Top entry trunnion mounted valve ball valve uses the ANSI 302 spring material and adjusting nut is added to make the valve easier to install and remove.

Top entry ball valve design

Application Fluid regulation and control
Design Standard
  • API 6D
  • ASME B16.34
  • BS 1868
F to F Standard ASME B16.10
Testing Standard API 598
End Connection Standard ASME B16.5
  • NPS 1/2 to 2
  • DN 15 to 50
Pressure Class Range
  • 500 to 1500
  • PN 110 to 260
Ends Flange End, Butt weld
  • Body: ASTM A216 WCB, Super Duplex, etc
  • Ball: ASTM A216 WCB, A479 SS316, CF8M, Super Duplex, etc
  • Seat/Seat inserts: ASTM A105+ENP, Delvon, Nitrile, PTFE, etc

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