1.Pengenalan Katup Bola Tetap Tahan karat Steel
Dibandingkan dengan katup bola mengambang, gaya yang dihasilkan oleh tekanan fluida di depan katup pada bola semuanya ditransfer ke bantalan, sehingga bola tidak akan bergerak ke dudukan katup, sehingga kursi katup tidak akan menanggung terlalu banyak tekanan. ;
Selain itu, katup bola tetap stainless steel memiliki torsi kecil, deformasi kecil pada dudukan katup, kinerja penyegelan yang stabil, dan masa pakai yang lama, yang cocok untuk aplikasi tekanan tinggi dan diameter besar.
2. Parameter spesifik dariKatup Bola Tetap Tahan karat Steel
Nama Produk |
Katup Bola Tetap Tahan karat Steel |
||
DN |
DN50~DN1200 |
Jenis koneksi |
bergelang |
PN(MPa |
1.6Mpa~42.0Mpa |
Jenis aktuator |
manual penggerak, Aktuator Pneumatik, Hidrolik atau listrik |
Rentang Suhu Desain |
-20~+100â+450â |
Standar |
GB〠DIN〠API〠ANSI |
Tubuh |
Tahan karatBaja |
Media yang Berlaku |
Air, minyak, gas, dan berbagai media korosi |
3.Fitur dariKatup Bola Tetap Tahan karat Steel
1) Tahan karat steel fixed ball valve has two-piece and three piece valve body structures. The middle flange is connected by bolts, and the seal is made of reinforced polytetrafluoroethylene inlaid into the stainless steel ring. There is no spring at the back of the steel ring to ensure that the valve seat is close to the ball and keep the seal.
2) There is no PTFE bearing on the upper and lower valve stems of the Tahan karat steel fixed ball valve, which reduces friction and saves labor. There is no adjusting plate at the bottom of the small shaft to ensure the joint position between the ball and the sealing ring. Full bore design for pipeline cleaning.
3) Tahan karat steel fixed ball valve automatic pressure relief function: when the stagnant medium pressure in the valve cavity rises abnormally and exceeds the preload of the spring, the valve seat will retreat from the ball to achieve the effect of automatic pressure relief, and the valve seat will reset automatically after pressure relief.
4) Tahan karat steel fixed ball valvedrain pipeline: the drain valve L is set up above and below the valve body to check whether the valve seat leaks. During operation, when the valve is fully open or closed, the pressure in the middle chamber can be removed and the packing can be directly replaced; Can be discharged in the cavity retention, reduce the pollution of the medium to the valve. Auxiliary seal setting system;
4. Spesifikasi teknisdari Katup Bola Tetap Tahan karat Steel
Dasar desain |
Standar nasional |
standar Amerika |
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Kriteria desain |
GB/T12237 |
AP16D |
ANSI B16.34 |
|
Panjang struktur sambungan flensa |
GB/T12221 |
AP16D |
ANSI B16.10 |
|
Panjang struktur (pengelasan) |
GB/T15188.1 |
AP16D |
ANSI B16.10 |
|
Menghubungkan flensa |
GB/T9113 |
ANSI B16.5〠B16.47 |
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JB/T79 HG20592 |
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Ujung pantat |
GB/T12224 |
ANSI B16.25 |
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Tes dan inspeksi |
GB/T9092 |
AP16D |
AP1598 |
5.Aplikasi dari Katup Bola Tetap Tahan karat Steel
Tahan karat steel fixed ball valve is widely used to cut off or circulate the medium in the transportation pipeline of food, medicine, petroleum, chemical industry, natural gas, steel, environmental protection, papermaking, etc.
6.Tentang MST
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ranee@milestonevalve.com
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