ermeto alenco lister valves

Balanced Shut-Off - Type 509

Up to 1" BSP

Ermeto Blanced Shut off valve, W509,

1" BSP and over

Ermeto balanced shut- off valve, W509,
BSP Size Part No. A C D E L Maximum WP Liquid Maximum WP Gas
3/8" W50904S 98 63 - 63 63 540 bar 340 bar
1/2" W50907S 114 75 - 76 79
3/4" W50929S 149 106 - 102 86
1" W50911S 187 134 29 63 98 540 bar 340 bar
1 1/4" W50902S 216 160 38 127 114
1 1/2" W50914S 245 179 43 152 121 510 bar 255 bar