Fixed a bug with mirrored tvalves and pipecaps, made it possible to make pipecaps from pipe dispensor and removed insulated pipes from it because they dont do anything sepcial

code/ATMOSPHERICS/components/tvalve.dm

@@ -339,6 +339,18 @@ obj/machinery/atmospherics/tvalve
 obj/machinery/atmospherics/tvalve/mirrored
 	icon_state = "tvalvem0"
 
+	New()
+		switch(dir)
+			if(NORTH)
+				initialize_directions = SOUTH|NORTH|WEST
+			if(SOUTH)
+				initialize_directions = NORTH|SOUTH|EAST
+			if(EAST)
+				initialize_directions = WEST|EAST|NORTH
+			if(WEST)
+				initialize_directions = EAST|WEST|SOUTH
+		..()
+
 	initialize()
 		var/node1_dir
 		var/node2_dir

code/ATMOSPHERICS/pipes.dm

@@ -1015,10 +1015,22 @@ obj/machinery/atmospherics/pipe
 		volume = 35
 
 		dir = SOUTH
-		initialize_directions = SOUTH
+		initialize_directions = NORTH
 
 		var/obj/machinery/atmospherics/node
 
+		New()
+			..()
+			switch(dir)
+				if(SOUTH)
+				 initialize_directions = NORTH
+				if(NORTH)
+				 initialize_directions = SOUTH
+				if(WEST)
+				 initialize_directions = EAST
+				if(EAST)
+				 initialize_directions = WEST
+
 		hide(var/i)
 			if(level == 1 && istype(loc, /turf/simulated))
 				invisibility = i ? 101 : 0