Exhaust Valve (129100-11112) for Yanma 4D88 and 4D84

**Product Information:**
  • Model No.: 129100-11112
  • Application: Excavator
  • Quality: High-Quality Copy Made in China
  • Delivery Time: 1-3 Working Days After Payment Confirmation
  • Shipping Method: DHL, UPS, FedEx, and More
  • Packaging: Neutral Packing
  • HS Code: 8409911000
  • Type: Piston Components
  • Condition: New
  • After Sales Service: Full One-Stop Support
  • Stock Status: Available in Sufficient Quantities
  • Brand: YANMA
  • Origin: China
**Why Choose Us?** 1. **Professional Experience:** With over 20 years of experience in the machinery parts industry, we are well-equipped to meet your needs. 2. **Top Quality:** We source our products from the best manufacturers in China, ensuring both OEM and high-quality copy items meet strict quality standards before delivery. 3. **Competitive Pricing:** We offer wholesale pricing for OEM parts as well as high-copy and aftermarket options for KOMATSU, CUMMINS, and CAT components. 4. **One-Stop Solution:** We stock a wide range of parts to help you complete your purchases efficiently without the need to switch suppliers. 5. **Reliable After-Sales Support:** If you have any questions after receiving the product, our team is always here to assist. We provide full support from purchase to delivery. 6. **Lowest Shipping Costs:** We’ve built long-term partnerships with top forwarders to ensure you get the most cost-effective shipping options. **Compatible Models:**
Komatsu Excavator: PC200-3/5/6/7/8, PC300-5/6/7/8, PC400-5/6/7/8, PC600, P650, PC1250 Wheel Loader: WA380-1/3, WA400-1, WA420-3, WA470-3, WA500-1, WA600-1 Bulldozer: D65, D85, D155, D275, D355, D375, D475 Engine: S6D95, S6D102, S6D107, S6D108, S6D114, S6D125, 6D140, S6D155, S6D170
Cummins Engine: 6BT, 6CT, M11, NT855, NH220, K19, K38, IK50, QSB6.7, QSM11
Caterpillar Excavator: 320B/C/D, 320DL, 325B/C/D, 330C/D, 336D, 345B/C/D, 365C, 385C/D, 349D, 390D Bulldozer: D5C/D/M, D6C/D/N/T/R, D7G, D8K, D8H, D8L, D8N, D9G/H, D10N, D11N Wheel Loader: 950, 966, 970, 977, 980, 983, 988 series Engine: S6K, 3066, C6.4, 3116, 3126, C7, C9, C-9, C13, C15, C18, 3306, 3046, 3406E, 3500, D342
**DISONG – Your Trusted Partner for All Machinery Parts in China** Whether you're looking for high-quality spare parts or cost-effective alternatives, DISONG offers a comprehensive range of products tailored to meet your needs. Our extensive inventory ensures that you can find everything you need in one place. **Contact Us:** Tel: 0086-82526355 / 8252-6052 Mobile: 0086-13322802138 / 13809770471 Website: [http://gz-kcc.en.made-in-china.com](http://gz-kcc.en.made-in-china.com) We are committed to providing fast delivery, reliable service, and competitive pricing. Let us be your one-stop solution for all your machinery parts needs.

Galvanized Steel

Galvanized steel can be classified into two main types: hot-dip galvanized steel and electro-galvanized steel.

Hot-dip galvanization is the most common method of galvanizing steel. In this process, the steel is first cleaned and then immersed in a bath of molten zinc at a temperature of around 450°C. The zinc reacts with the surface of the steel, forming a series of zinc-iron alloy layers that provide excellent corrosion protection.

Electro-galvanization, on the other hand, is a process that involves using an electric current to deposit a thin layer of zinc onto the steel surface. This method is typically used for thinner gauge steel and provides a smoother finish than hot-dip galvanization. However, it may not be as durable as hot-dip galvanization and is typically used for less demanding applications.

In addition to its corrosion resistance, galvanized steel is also fire-resistant and has good thermal conductivity. It is also relatively easy to fabricate and can be formed into a wide range of shapes and sizes, making it a versatile material for various applications.

However, galvanized steel may not be suitablefor all applications. It has a shorter lifespan than some other corrosion-resistant materials, such as stainless steel, and may require regular maintenance to ensure its continued protection against corrosion. Additionally, galvanization can affect the appearance of the steel, giving it a characteristic dull gray or silver color that may not be desirable for some aesthetic applications.

Another consideration with galvanized steel is the potential environmental impact of the galvanizing process. The production of galvanized steel typically involves the use of large amounts of energy and resources, and the disposal of waste products from the galvanizing process can have environmental implications. However, efforts are being made to improve the sustainability of the galvanizing process, such as through the use of more energy-efficient production methods and the recycling of waste materials.

Overall, galvanized steel is a popular and versatile material that offers excellent corrosion resistance and durability. Its use is widespread in a variety of industries and applications, and it will likely continue to be an important material for many years to come.

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Wuxi Shengshu Metal Co., Ltd. , https://www.wuxissmetal.com

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