DOUBLE ECCENTRIC BUTTERFLY VALVES :: ACCESSORIES Shaft lubricating systems A greaser placed on the upper end of the valve (near the stem bearings) allows the shaft lubrication. TA-LUFT Our SOFT SEAL range can be equipped with system to avoid emissions in the atmosphere. This insulating system called "TA-LUFT" can be supplied upon simple request of the customer. The above described result is obtained through the change of the packing ring. The valves can be equipped with Garlock EVSP 9000 gasket to avoid leakage during the helium proofs. Live-loading A careful shaft manufacturing, the insertion of special bearings for the shaft centering and the use of compression springs are the requirements to obtain a live-loading performance. This performance reduces the packing ring maintenance necessities. Standard angular dial indicators The insertion of a graduated indicator (placed on the actuator) permits to verify the opening angle of the valve. Connection pipes Connection pipes can be supplied upon simple request of the customer.