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PC400‑5 Joystick Pilot Valve Seals NBR Repair Kit For Construction & Heavy‑Duty Machinery

Place of Origin TAIWAN
Brand Name NFK
Model Number PC400‑5 Joystick Pilot Valve Seals
Minimum Order Quantity 5SET
Price Negotiation
Packaging Details 8 PCS /SET
Delivery Time Mini Order 1 Day After Payment
Payment Terms Western Union,Cash,Bank,PayPal.HSBC,CITY BANK.
Supply Ability 30000 SET /MONTH
Product Details
Machine Model PC400‑5 Joystick Pilot Valve Seals Material NBR
Egory Construction Machinery Excavator Parts Packing Plywood Case
Advantage Wear Resistance:corrosion Resistance, High Temperature And High Pressure Sub Egory Excavator Walk Pump Parts
Condition Brand New, Ready To Be Installed Brand TAIWAN
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PC400-5 joystick pilot valve seals

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NBR excavator seal repair kit

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heavy-duty machinery valve seals

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Product Description
PC400‑5 Joystick Pilot Valve Seals NBR Repair Kit
Product Overview
Professional NBR repair kit for Komatsu PC400‑5 excavator joystick pilot control valves, designed for heavy-duty construction and mining machinery applications.
Specification Details
Place of Origin Taiwan, China
Brand Name Taiwan
Model Number PC400‑5 Joystick Pilot Valve Seals
Minimum Order Quantity 5 SET
Price Negotiable, special bulk discount for heavy-equipment spare-parts wholesalers
Technical Specifications
Parameter Specification
Core Material Custom-modified heavy-duty NBR (87-89 Shore A) with PTFE backup washers
Rated Working Pressure 35 Bar
Max Instant Surge Pressure 45 Bar
Operating Temperature -30℃ to +110℃
Standard Color Black
Service Condition Frequent micro-stroke reciprocating dynamic sealing
Performance Advantages
  • Optimized NBR formula for frequent micro-reciprocating motion, reducing early fatigue cracks
  • Complete kit includes matched PTFE anti-extrusion backup washers
  • Each component individually marked with part number for easy identification
  • Reduces internal pilot-circuit leakage and improves joystick sensitivity
  • Anti-dust contamination performance for dusty construction environments
  • Strict OEM dimensional tolerance for direct replacement installation
Application Range
Komatsu PC400‑5 excavator joystick pilot control valve, heavy-duty construction machinery pilot hydraulic systems, and mining engineering equipment operating handle repair.
Compatible Models
Related pilot seal kit series: PC100‑5, PC120‑5, PC200‑3, PC200‑5, PC300‑5, PC400‑5, PC450‑6
Packaging & Delivery
Individual anti-dust PE bags with component serial numbers, desiccant included, moisture-proof kraft color carton. Custom OEM private-label services available.
Delivery Time: 1-2 working days for stocked goods; 15-30 working days for bulk orders
Payment Methods: Western Union, Cash, Bank Transfer, PayPal, HSBC, CITY BANK
Supply Capacity: 30,000 SET per month
Supported Machine Brands & Models
Komatsu: PC45MR, PC56‑7, PC60‑7, PC70‑8, PC60‑6, PC40‑7, PC40‑8, PC60‑2, PC60‑5, PC60‑6, PC75, PC100‑5, PC120‑6, PC150‑5, PC130‑7, PC200‑3, PC200‑6, PC200‑8, PC210LC‑8, PC220‑8, PC240LC‑8, PC300‑3, PC300‑5, PC300‑6, PC300‑7, PC360‑7, PC400‑3, PC400‑5, PC600‑6

Other Major Brands: Hitachi, CAT, Hyundai, Kobelco, Doosan/Daewoo, EC Series, Sumitomo, Kato, and Chinese local brands including CLG200, Sunward60, Sunward70, XG820
Product Images
PC400-5 Joystick Pilot Valve Seals Kit Component View PC400-5 Joystick Pilot Valve Seals Detailed Close-up PC400-5 Joystick Pilot Valve Seals Packaging
Frequently Asked Questions
Q1: What is the difference between this PC400‑5 joystick pilot valve seal kit and ordinary aftermarket seal kits?
A1: Our product uses upgraded modified heavy-duty NBR compound optimized for frequent micro-reciprocating movement inside pilot valve. Compared with ordinary general-purpose NBR kits, it has lower compression set and better anti-fatigue performance. This complete kit includes PTFE anti-extrusion backup washers which are missing in many basic economical kits.
Q2: What machine and fault symptoms does this PC400‑5 joystick pilot valve seal kit apply to?
A2: Specifically designed for Komatsu PC400‑5 large excavator joystick pilot control valve. Solves typical failure symptoms including joystick drifting, slow operating response, unstable pilot pressure, and external oil seepage around joystick base.
Q3: Do I need extra modification when installing this pilot valve seal kit?
A3: No modification required. All sealing components are manufactured strictly according to OEM dimensional tolerances for direct-fit replacement. Professional maintenance personnel are recommended for installation.
Q4: What are working pressure and temperature parameters?
A4: Rated pilot working pressure: 35 Bar, maximum instant surge pressure: 45 Bar. Working temperature range: -30℃ to +110℃.
Q5: Do you accept small trial orders for machinery repair shops?
A5: Yes, MOQ is 2 sets. Small trial orders are supported for excavator repair shops and retail buyers. Volume-based discounts available for wholesale orders.
Quality Assurance & Support
  • Complete excavator spare-parts database for accurate matching
  • Professional sales team with 7+ years experience in construction machinery hydraulic parts
  • Strict pre-shipment inspection of dimensions, hardness, and component completeness
  • Free export document service for all orders
  • Rapid after-sales technical support within 24 hours