Z641 GB pneumatic valve Description: Product Name: Z641 GB pneumatic valve Product Description: Z641 GB pneumatic valve Transmission code: 6, said pneumatic; connection type code: 4 shows the flange connection; structure code: 1 represents the rigid gate; sealing surface Material Code: H, said stainless steel, W represents a direct processing; pressure valve code: 16, said pressure for sixteen kilograms; Z641 GB pneumatic valve actuators have both positive and negative features two functions, so the valve opening and closing methods are gas open air to close two kinds of modes of action. Gate metal contact unique structure, reliable operation, with a high cutting performance, superior to conventional shut-off valve. Allowable leakage reached 10-8 × KV. Using a wide range of carbon steel gate valve temperature can be -196 ℃ to 500 ℃, small caliber 40mm, large as 600mm. Seat parallel, 60 ° V-notch and the 90 ° V-notch three, needs to adapt to different occasions. ● Body jacket is available in the form of heat, after cooling medium to easy to plug, condensation or coking occasions. Article Source: http: //www.bxgst.net/zfax/1240.html