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394-4402 3944402 All-Terrain Hydraulic Cylinder Repair Seal Kit for Large Wheel Loaders 990K

Name: 394-4402 3944402 All-Terrain Hydraulic Cylinder Repair Seal Kit for Large Wheel Loaders 990K
Brand: Guangzhou Opal Machinery Parts Operation Department
SKU: 394-4402
Price: 7.00 USD
Availability: InStock

제품 세부정보

원래 장소: 중국

브랜드 이름: OUB

인증: ISO9001

모델 번호: 394-4402

결제 및 배송 조건

최소 주문 수량: 10

가격: 협상 가능

포장 세부 사항: 내부 PP 백. outer는 필름 포장 된 상자입니다.

배달 시간: 탈수를받은 후 5-15 일 이내에

지불 조건: L/C,D/A,D/P,T/T,웨스턴 유니온

공급 능력: 1000PCS

최고 가격 받기

제품 세부정보

제품 설명

제품 세부정보

강조하다: 
                                                                                                                                                                                                                                                All-Terrain Hydraulic Cylinder Seal Kit, Wheel Loader 990K Repair Seal Kit, Large Hydraulic Cylinder Seal Kit
                              

부품 번호 ::	394-4402	부품 이름::	씰 키트
모델:	990K	기계:	휠 로더
재료:	NBR	색상:	블랙, 브라운, 화이트

부품 번호 ::	394-4402
부품 이름::	씰 키트
모델:	990K
기계:	휠 로더
재료:	NBR
색상:	블랙, 브라운, 화이트

제품 설명

1. Quick Details of seal 394-4402:

Part NO.	394-4402
Machine	wheel loader
Size	OEM
Material	NBR
Oil seal type	SEAL KIT

2. 394-4402 picture:

394-4402 3944402 All-Terrain Hydraulic Cylinder Repair Seal Kit for Large Wheel Loaders 990K 0
3. Service part number :

PART NO.	PART NO.	Part NO.
567-1748	2225824	2D-6533
1410749	3052215	8M-4389
1453576	2074710	9H-3360
2314707	6V5326	6F-8146
4S5924	6E4240	3D-8422
5494308	5673612	6V-1196
5673714	5673611	5P-4889
951701	1401800	032-8970
2100835	2339744	325-3780
5671750	1598010	4F-8824
5671748	8T7000	2S8439
161-9835	5P5874	3511768

4. FAQ

Q: Please describe the natural color, surface texture and structural style of all components in the kit without any extra coating or pigment.
A: Components made of low-temperature resistant NBR present uniform jet black, with a soft velvety surface and fine grain texture, and they can be bent freely without permanent deformation. Reinforced polyurethane seals are dark amber, featuring a dense and solid texture with smooth finished edges. Glass-filled PTFE backup rings are light gray, and tiny glass particle textures can be observed on the flat surface. The fabric guide rings are natural russet brown, with neat woven textures running across the whole surface. All parts adopt standard industrial sealing profiles, including U-type, square-cut and circular styles, and every edge is precisely machined without burrs or defects.

Q: What are the unique advantages of low-temperature resistant NBR compared with conventional rubber materials in actual use?
A: Different from ordinary rubber that tends to harden and lose flexibility in cold weather, this customized NBR formula is enhanced with low-temperature resistance technology. It can maintain excellent sealing elasticity when the ambient temperature drops sharply, and will not crack or shrink due to cold brittleness. Meanwhile, it inherits excellent oil resistance and anti-aging properties. After long-term immersion in hydraulic oil and exposure to alternating wind, frost and sunlight on open construction sites, its overall performance stays stable, fully adapting to all-weather operation in regions with obvious seasonal temperature differences.

Q: In what working scenarios do reinforced polyurethane seals show their greatest value?
A: As the core dynamic sealing parts, polyurethane seals bear the longest running cycles and the largest working loads. When the loader lifts heavy bulk materials, stretches and retracts the boom continuously, or swings the bucket to complete loading and dumping actions, these seals closely fit the moving rod and piston. They can resist continuous friction and periodic pressure changes effectively, and will not deform or creep even after tens of thousands of reciprocating movements. Their reliable performance directly ensures the lifting force and operating sensitivity of the entire hydraulic system.

Q: How do glass-filled PTFE backup rings cooperate with main seals to extend the overall service life?
A: The added glass fiber greatly improves the structural rigidity and compression resistance of PTFE material. These thin backup rings are installed beside the main PU seals, filling the tiny gaps of installation grooves completely. When the loader suddenly lifts ultra-heavy materials or travels over bumpy ground to generate instantaneous hydraulic pressure peaks, the PTFE rings can share the excessive pressure evenly, preventing the lip of main seals from being squeezed, twisted or damaged. Besides, its low-friction characteristic also optimizes the moving smoothness of internal components.

Q: What practical effects do fabric guide rings bring to the operation of hydraulic cylinders?
A: During the working process, unbalanced load will generate certain lateral thrust on the piston. The fabric guide ring can absorb and offset this eccentric force in real time, guiding the piston to move along the central axis all the time. It avoids eccentric wear caused by piston deviation, and greatly reduces the direct friction between metal parts. This not only makes the cylinder run more stably and quietly, but also slows down the wear speed of the cylinder tube and piston, protecting expensive metal components effectively.

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394-4402 3944402 All-Terrain Hydraulic Cylinder Repair Seal Kit for Large Wheel Loaders 990K

All-Terrain Hydraulic Cylinder Seal Kit

Wheel Loader 990K Repair Seal Kit

Large Hydraulic Cylinder Seal Kit

BUCKET 실린더 밀폐 키트 2478998,

ARM 실린더 밀폐 키트 CTC,

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실린더 씰 키트

수력 봉지 키트

차단기 씰 키트

펌프 오일 밀봉

피스톤 씰 링

피스톤 막대 밀폐

크랜크 샤프트 오일 밀폐

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