This pneumatic hard seal flat gate valve is the best choice for industrial fluid control. Pneumatic drive, easy to operate, hard seal design to ensure the valve under high pressure conditions of excellent sealing performance. Flat gate valve structure makes fluid control more stable and reliable. With its more than 40 years of technical accumulation and exquisite technology, Lianggu carefully creates each valve to ensure excellent quality. Lianggu pneumatic hard seal plate gate valve, widely used in petroleum, chemical and other harsh conditions, to provide a solid guarantee for industrial fluid control, help the industry to move forward steadily.