Custom Fabric Reinforced Phenolic Resin Wear Ring NFK WR 110x103x12 Hydraulic Cylinder Piston Guide Ring Anti-Friction Support Seal Ring
Price:
Negotiation
MOQ:
20 PCS
Delivery Time:
3-4 days
Brand:
NFK
Product Description
Custom Fabric Reinforced Phenolic Resin Wear Ring NFK WR 110x103x12 Hydraulic Cylinder Piston Guide Ring Anti-Friction Support Seal Ring
Product Specifications
| Material | Fabric-Reinforced Phenolic Resin |
|---|---|
| Size | Inside Diameter d12~ d600φmm |
| Applicable Main Fluid | General oil hydraulic oil |
| Stress | 40-60 Mpa |
| Temperature | -60°C to +200°C |
| Speed | 0.008~1.0 m/s |
| Trip | Less than 2000 mm |
| Sliding Resistance | Medium |
| Product Name | Wear Ring |
| Part Number | WR 110x103x12 |
| Application | Hydraulic system |
| Quality | High Quality |
| Packing | Carton Box |
| MOQ | 20 PCS |
| Warranty | No |
| Shipping | Sea Air Express |
| Payment | Credit Card/Paypal/Western Union/TT |
Professional Repair and Maintenance Information
Daily Maintenance and Upkeep Standards
- Regular Cleaning and Inspection: Conduct visual inspection every 300-500 hours of operation. Check for scratches, burrs, cracks, localized detachment, and abnormal wear. Clean impurities and dust from hydraulic oil to prevent particle adhesion and accelerated wear.
- Operating Condition Control: Avoid prolonged operation under overpressure, overtemperature, or uneven loads. Ensure smooth equipment start-up and shutdown, avoiding sudden impact loads. For extended shutdowns, clean cylinder interior to maintain lubrication.
- Lubrication and Protection: Apply suitable hydraulic system grease evenly to guide ring working surface during assembly and maintenance to maintain smooth sliding and reduce friction loss.
Common Faults and Repair Solutions
- Fault 1: Stuttering or sluggish cylinder movement - Clean guide ring and cylinder grooves, correct installation position. Minor deformation can be fine-tuned; severe wear requires replacement.
- Fault 2: Equipment vibration and abnormal noise - Inspect guide ring wear; replace if exceeds standard. Check cylinder and piston rod wear, clean system impurities.
- Fault 3: Localized cracking and surface peeling - Irreparable damage; replace with new custom-made guide ring. Check pressure and temperature control systems.
Disassembly and Replacement Precautions
Use gentle disassembly methods. Avoid prying or forceful striking. Clean sealing grooves and working surfaces before installation. Ensure perfect fit of WR 110x103x12 specification without twisting or misalignment. Test piston rod sliding smoothness before trial run.
Replacement Cycle Recommendations
- Normal light load conditions: Replace every 8000-10000 operating hours
- Heavy load, high-frequency conditions: Check and replace every 4000-6000 operating hours
Storage Requirements for Spare Guide Rings
Store in dry, cool, well-ventilated environment away from high temperatures, corrosive substances, oil stains, and sharp objects. Avoid compression deformation. Keep products flat; do not stack or apply heavy pressure.
WR Phenolic Reinforced Fabric Wear-Resistant Ring Installation Process
I. Pre-Installation Preparation
Required Tools & Supplies
NFK WR wear ring, 400# fine sandpaper, industrial cleaning solvent, lint-free rags, assembly plastic sleeve, rubber mallet, high-viscosity hydraulic lubricant, caliper, nitrile protective gloves, chamfer file
Component & Workpiece Inspection
Verify specifications: 110*103*12, NFK WR phenolic fabric wear ring; check no cracks, delamination, surface scratches or deformation.
Inspect piston groove: Remove all metal chips, old wear ring fragments and oil sludge. All groove inlet edges must have smooth chamfers (sharp edges will scratch phenolic fabric layers).
Check piston outer surface: No burrs, rust, pits or deep scratches; polish minor imperfections with fine sandpaper until smooth.
Cleaning
Thoroughly wipe the piston surface and sealing groove with cleaning solvent, fully dry to eliminate metal debris that causes abrasion.
II. Lubrication Treatment
Coat the inner and outer circumferential surfaces of the NFK WR phenolic wear ring evenly with hydraulic lubricant.
Apply a thin layer of lubricant inside the piston mounting groove to reduce friction during press-fitting and prevent dry scraping damage.
III. Press-Fitting Installation Steps
Align the NFK WR wear ring with the piston end, slowly slide the ring onto the piston body, and move it to the target mounting groove.
Fit a plastic assembly sleeve over the wear ring outer diameter to avoid direct hammer impact on phenolic fabric surface.
Tap the sleeve uniformly around the circumference with a rubber mallet, steadily pushing the wear ring fully into the piston groove.
Confirm the wear ring sits completely flush inside the groove without tilting, protruding edges or twisting.
Slide the wear ring back and forth manually to test smooth movement, ensure no jamming or uneven tightness.
IV. Cylinder Assembly Process
Lubricate the inner wall of the cylinder barrel before assembly to reduce friction between wear ring and cylinder tube.
Keep the piston coaxial with the cylinder barrel, slowly push the piston assembly into the cylinder; avoid tilting or offset insertion that scrapes the phenolic wear ring.
Complete assembly of end cover, seals and locking parts, tighten bolts diagonally and evenly to maintain uniform concentricity.
V. Test Run Inspection
Conduct low-pressure no-load reciprocating movement of the piston several times, check for abnormal friction noise.
Gradually raise hydraulic pressure to rated working pressure, perform continuous reciprocating test.
Check temperature rise and surface abrasion of the wear ring; no abnormal heat or scratch marks means installation is qualified.
VI. Critical Installation Notes & Forbidden Operations
Never use metal screwdrivers, steel hammers or sharp tools to pry the wear ring — phenolic resin fabric is easy to crack and peel.
Installation without chamfered groove edges is prohibited; sharp corners will cut the fabric reinforcement layer.
Dry assembly without lubricant will cause severe surface scratching and early failure of the wear ring.
Do not stretch or bend the wear ring excessively during fitting; permanent deformation leads to uneven guiding clearance.
Storage rules: Keep wear rings away from high temperature, strong acid and direct sunlight; discard deformed, cracked or delaminated products.
VII. Common Fault Troubleshooting After Installation
Abnormal friction noise during operation: Insufficient lubrication, piston tilt during assembly, burrs left on cylinder bore.
Fast surface wear of wear ring: Metal debris remained in groove, sharp chamfer edges, mismatched assembly clearance.
Wear ring falls out of groove: Not fully pressed into the groove, groove size tolerance out of range.
Piston stuck inside cylinder: Over-compressed deformed wear ring, unbalanced bolt tightening causing piston offset.
Product Categories
| Piston Seal | SPGW, SPGO, SPG, SPGA, NCF, ODI, OSI, OUIS, OHM, OKH |
|---|---|
| Wiper Seal | DKB, DKBI, DKBI3, DKBZ, DKI, DWI, DKH, DWIR, DSI, LBI, LBH, VAY |
| Rod Seal | IDI, IUH, ISI, IUIS, SPNO, IUY |
| Wearing Ring | WR, KZT, RYT |
| U Seal | UPI, UPH, USH, USI, UNI, V99F, V96H |
| Rotary Seal | ROI, SPN, CSI, VAY |
| Buff Seal | HBTS, HBY, HBTTS |
| Back Up Ring | N4W, BRT-PTFE, BRT-NYLON, BRT2, BRT3, BRT-G, BRT-P, BRN2, BRN3 |
| Center Joint Kit | GEAR PUMP SEAL KIT |
| O Ring | Oring Kit P series, G series, AS series, S series, M 1.5 series, M 2.0 series, M 1.9 series, M 2.4 series, M 3.0 series, M4.0 series |
Packaging, Delivery & Payment Terms
Packaging Details
Kraft cartons, color cartons, and exquisite packaging paper boxes
Delivery Time
- 1-2 days if in stock
- 7-15 days if goods out of stock (Urgent shipment air freight)
- 15-30 days if goods out of stock (orders on the way)
- 90-120 days if goods out of stock (new order)
Payment Terms
- 30% T/T in advance and 70% balance paid before shipment
- Western Union, Cash, T/T, Bank, PayPal
- Others available for discussion
Product Catalog
Comprehensive range of WR model sizes available including WR 146*140*12.5, WR 110*105*6, WR 125*120*6, WR 160*148*15, and many more specifications.
NFK High-Quality Seals Manufacturing Experts
- 18 years experience in seal and seal kit business in domestic and overseas markets
- Many years trade experience
- Competitive pricing with original quality
- Small orders accepted with 1 working day delivery
- Over 13 software systems to check part numbers for Hitachi, Komatsu, Kobelco, Hyundai, Doosan, Sumitomo, EC, Liebherr
Product Images
The above photos are actual photos taken of our products.
Frequently Asked Questions
Q1: The pictures you saw here may not be related to the real products. Please contact us for more details if you want to check products.
A: In order to give you fast and accurate pricing information, we need some details about the machine.
Q2: How long is your delivery time?
- 1-2 days if in stock
- 5-7 days if goods out of stock (Urgent shipment air freight)
- 10~15 days if goods out of stock (orders on the way)
Q3: Do you have a minimum order requirement?
A: Small trial order is acceptable.
Q4: What are your payment terms?
A: T/T, Western Union, Cash, Bank, PayPal
Q5: How do you make our business long-term and good relationship?
A: We will continue to improve process control and product quality while reducing operating costs to provide competitive pricing. We treat every customer seriously and provide full-range services and one-stop sealed solutions. We offer professional OEM services for seals, seal kits, o-ring kits, and other products.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
GUANGZHOU UP OIL-SEALS TRADING CO.,LTD
Location
NO.11 BUILDING JING'AN GARDEN HULIN ROAD TIANHE DISTRICT GUANGZHOU CHINA
Contact Person
FION LIU