Gate valve block  480, 481, 482, 483, 484
 Structure in Zenex composite material.
 Withstands chemicals and extreme temperatures between -57 ° C and +177 ° C.
 Completely surrounds the valve handle to prevent accidental operation.
 Suitable for confined spaces and insulated pipes.
 Removable center disc for riser stem valves.
 The device can be locked using up to four padlocks; “Danger DO NOT OPERATE” label included.
 Safe use in hazardous areas.
 Suitable for use in explosive atmospheres (for category 2 areas).
 480:  Gate valve block suitable for handles with a diameter between 2.71 and 8.12 cm
 481:  Gate valve block suitable for handles with a diameter between 5.41 and 13.54 cm
 482:  Gate valve block suitable for handles with a diameter between 10.83 and 17.60 cm
 483:  Gate valve block suitable for handles with a diameter between 16.24 and 27.07 cm
 484:  Gate valve block suitable for handles with a diameter between 21.66 and 35.19 cm