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About UsYantai Gao Hong Hydraulic Technology Co., Ltd. is located in Yantai Economic and Technological Development Zone. Mainly engaged in construction machinery, ships, agricultural machinery, coal machinery, military, aerospace hydraulics, excavator parts, hydraulic products, research and development, production, sales of high-tech industries.
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ProductsIn 2013, the company introduced foreign hydraulic pilot technology, research and development production of hydraulic pilot series products. The company has more than 30 patents, the company's own brand “GH” hydraulic pilot handle has won more than 20 national patents, approved by the national science and technology-based small and medium-sized enterprises.
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BlogThe company takes “win-win cooperation, innovation and development” as the concept, the pursuit of quality satisfaction as the goal, and strive to create a domestic professional hydraulic parts manufacturers and suppliers.
🔧 Must-Know Tips: Pick a Durable Log Grapple in 3 Minutes!
Release time:
2025-06-18
📌 Key Selection Criteria
1️⃣ Compatibility: Ensure compatibility with excavator tonnage
2️⃣ Steel Thickness: Key components (jaw plates/brackets) require ≥25 mm wear-resistant steel plates
3️⃣ Hydraulic System: Opt for dual-circuit rotation motors; pressure recommended at 210-350 bar (match host machine)
4️⃣ Sealing: Prioritize high-quality sealing components
💥 Common Failure Points
⚠️ Swivel joint oil leakage (45% failure rate)
⚠️ Jaw plate fracture (caused by overload)
⚠️ Cylinder internal leakage (seal aging)
⚠️ Pin shaft wear (insufficient lubrication)
✅ Prevention Measures
🔸 Daily hydraulic oil level and pipeline inspection
🔸 Lithium-based grease replenishment every 50 operating hours
🔸 Avoid continuous rotation beyond 270°
🔸 Install overload protection valves (pressure ≈110% system pressure)
【📢 Industry Data】
Genuine manufacturer product lifespan: 8,000 hours
Substandard products: <2,000 hours
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Contact Us
Address: Beijing Zhongchangxing Industrial Park, Jinsha River Road, Yantai Development Zone
Tel:+86-535-3410889
Mobile:+86-17753568399 / 13780928788
E-mail:order@ytgaohong.com
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