seat 35 when gate valve 25 is in the closed position gate valve seat 35 provides a seal that facilitates prevention of liquid leaking around gate valve 25 gate valve 25 is attached to rod 65 in an embodiment as illustrated gate valve 25 is attached to rod 65 on the longitudinal end of gate valve 25 distal to gate valve seat 35 rod 65 is attached to tie bar 70 in an embodiment as illustrated rod 65 is attached to tie bar 70 on the longitudinal end of rod 65 distal to gate valve 25 it is to be understood that rod 65 is shown in fig1 by dashed lines for illustrated purposes only to show its location as rod 65 is not visible as shown from the side view of fig1 i e it is disposed within gate housing 30 rod 65 and gate valve 25 are longitudinally moveable through the interior of gate housing 30 in an embodiment gate housing 30 is secured to pig receiver unit 10 gate housing 30 may be secured to pig receiver unit 10 by any suitable means cylinder guide 60 is secured to gate housing 30 cylinder guide 60 extends longitudinally upward from gate housing 30 pig gate valve assembly 20 also includes tie bar 70 and actuator support 75 tie bar 70 and actuator support 75 are disposed on opposing ends of actuators 40 45 from each other tie bar.