Katup Kupu-Kupu yang Dioperasikan Tipe Pegangan β--PPH
Mudah dibuka dan ditutup, ketahanan cairan rendah, dan struktur sederhana....
Salah satu fitur utama katup kupu-kupu adalah konstruksinya yang sederhana dan kompak. Biasanya terdiri dari piringan berputar, yang disebut bilah atau pelat kupu-kupu, dan mekanisme penggerak. Katup kupu-kupu mengatur aliran fluida dengan memutar bilah kupu-kupu. Katup tertutup bila potongan kupu-kupu tegak lurus dengan arah fluida, sedangkan katup terbuka bila potongan kupu-kupu sejajar dengan arah fluida.
Mudah dibuka dan ditutup, ketahanan cairan rendah, dan struktur sederhana....
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Pipa plastik yang dilas hampir tidak pernah gagal pada saat pengelasan; gagal ketika ada sesuatu yang dimasukkan ke dalamnya. Pola tersebut berulang di seluruh pabrik kimia, selip pengolahan air, dan bangku basah semikonduktor: jalur β-PPH atau PVDF berjalan dengan tenang selama bertahun-tahun, kemudian sambungan...
Lihat SelengkapnyaSeorang insinyur jalur pelapisan menggambarkan masalahnya dengan jelas: header distribusi utama membentang di sepanjang dinding, dan empat tetesan semprotan perlu disalurkan dari tempat yang sama, dua ke kiri dan dua ke kanan, pada ketinggian yang sama. Anda dapat membuat simpul tersebut dari dua tee dan kopling,...
Lihat SelengkapnyaKopling ulir selang betina 3/4 inci mungkin terlihat seperti ulir pipa biasa, tetapi sebenarnya tidak. Ketika teknisi pemeliharaan di stasiun pemberian dosis bahan kimia memberi tahu kami bahwa saluran PPH-nya terus mengalir di sambungan selang, penyebabnya dengan cepat diketahui: seseorang telah memasang putaran...
Lihat SelengkapnyaWhat factors affect the service life of butterfly valves?
1. Media Characteristics
Corrosivity, abrasiveness, temperature, and pressure are key factors determining the lifespan of the valve body and seals. High temperatures or strong acid/alkali media accelerate the aging of rubber or metal sealing surfaces.
Butterfly valves manufactured by Jiangsu Leiting Precision New Materials Co., Ltd. utilize corrosion-resistant alloy materials and high-performance seals, maintaining a longer service life under harsh conditions such as chemical and solar energy applications.
2. Operating Frequency and Opening/Closing Method
Frequent opening and closing leads to wear on the valve stem, valve disc, and seals, with lifespan decreasing exponentially with the number of openings and closings.
The company's hard-seal butterfly valves employ a triple-eccentric structure, reducing frictional resistance and making them suitable for high-frequency regulation scenarios.
3. Installation and Maintenance Quality
Misalignment, uneven tightening, or residual impurities can prematurely damage the valve seat.
Leiting possesses a complete assembly and testing line and a professional technical team, ensuring that every butterfly valve undergoes alignment, cleaning, and sealing tests before leaving the factory, significantly improving reliability.
4. Materials and Manufacturing Processes
High-quality valve body casting, precision machining, and surface heat treatment directly determine the valve's pressure resistance and impact resistance.
The company has invested 110 million RMB in new material R&D and automated production lines, and has obtained 81 patents (36 invention patents, 36 utility model patents, and 9 design patents), maintaining an industry-leading position in material innovation and process optimization.
What are the key maintenance points for Butterfly Valves?
1. Regular Cleaning
Remove dust, oil, and media residue from the inside and outside of the valve body to prevent impurities from entering the sealing surface and causing leakage.
Leiting provides on-site cleaning services using specialized non-corrosive cleaning agents to ensure the valve's internal structure remains clean.
2. Lubrication and Seal Inspection
Appropriately lubricate the rotating parts of the valve stem, bearings, and valve disc to reduce friction and wear.
Regularly inspect the wear and aging of rubber or PTFE seals and replace them when necessary. The company uses self-developed high-elasticity sealing materials to extend the replacement cycle.
3. Calibration and Functional Testing
Calibrate the electric or pneumatic actuators to ensure accurate opening/closing strokes and response times that meet design requirements.
Leiting's intelligent testing system can complete fully automated functional testing before shipment and provides on-site commissioning reports.
4. Corrosion and Rust Prevention Treatment
Use anti-corrosion coatings or rust-preventive oils in humid or corrosive environments to prevent metal surfaces from rusting.
The company uses a double-layer anti-corrosion coating (primer + weather-resistant topcoat) on the valve body surface, suitable for highly corrosive environments such as seawater and chemical plants.