Vakuumli kelebek klapan ishlab chiqaruvchi, ko'mir gazi, tabiiy gaz, suyultirilgan neft gazi, shahar gazi, issiq va sovuq havo, kimyoviy tayyorgarlik va energiya ishlab chiqarish uchun atrof-muhitni muhofaza qilish uchun javob beradi. U suv ta'minoti va drenaj kabi muhandislik tizimlarida turli xil korroziy va{0}}korroziv bo'lmagan suyuqlik muhitlarini tashuvchi quvur liniyalarida muhitni tozalash va kesish faoliyati uchun ishlatiladi.
The gate valve is an opening and closing gate. The movement direction of the gate is straight with the direction of the fluid. The gate valve can only be fully opened and fully closed. '. To improve its manufacturability and compensate for the error of the sealing surface viewpoint during the processing, this kind of gate is called an elastic gate.
Eshik valfi yopilganda, muhrlash yuzasi faqat muhrlanish uchun o'rta bosimga tayanishi mumkin, ya'ni faqat o'rta bosimga tayanib, sızdırmazlık uchun eshikning muhrlangan yuzasini boshqa tomondan valf o'rindig'iga bosadi. o'z-o'zidan yopiladigan-yopishtiruvchi sirt. Ko'pgina eshik klapanlari muhrlanishga majbur bo'ladi, ya'ni valf yopilganda, sızdırmazlık yuzasining mahkamligini ta'minlash uchun eshik kuchli tashqi kuch bilan vana o'rindig'iga bosilishi kerak.
