Monel 400 Hexagon Vespel Insert Lock Nut For Higher Temperature Corrosive Applications
Product Summary
Monel 400 hexagon lock nut with Vespel insert, engineered for higher temperature and corrosive applications such as marine, chemical and high-temperature equipment.
Basic Properties
country of origin
China
Brand Name
FLRS or OEM
certificate
ISO9001
PRODUCT MODEL
FLRS-LN-VS-205
Trading Properties
MOQ
100 Pieces
unit price
USD 2.50-15.00 / Piece
payment method
T/T,L/C,PayPal,Western Union
Supply Capacity
200 Tons per Month
Product Custom Attributes
Highlight
High Temperature Lock Nut
,Corrosive Applications Lock Nut
,Monel 400 Vespel Lock Nut
Product Name:
Hexagon Lock Nut For Higher Temperature Corrosive Applications
Body Material:
Monel 400 (UNS N04400)
Insert Material:
Vespel Polyimide
Size:
M3-M24
Standard:
DIN 985 / DIN 934 / ASME B18.16.6
Thread:
Metric / UNC / UNF
Finish:
Plain / Passivated
Temperature Range:
Up To 260 C Continuous (Vespel Insert)
Application:
Higher Temperature And Corrosive Service
Locking Type:
Prevailing Torque
Product Description
Detailed Specifications & Features
Monel 400 Hexagon Vespel Insert Lock Nut for Higher Temperature or Corrosive Applications
Built for the hardest environments, this Monel 400 hexagon lock nut combines a corrosion-resistant Monel 400 (UNS N04400) nickel-copper alloy body with a Vespel polyimide insert. It is designed for higher temperature or corrosive applications where standard lock nuts quickly fail, holding locking torque in seawater, acids, alkali and elevated-temperature joints.
Key Selling Points
- Higher Temperature — Vespel insert holds locking torque up to 260°C continuous.
- Corrosive Applications — Monel 400 resists seawater, acids and alkali.
- Vespel Insert — non-metallic polyimide insert for reusable prevailing-torque locking.
- Vibration Resistant — keeps joints tight under vibration and thermal cycling.
- Non-Magnetic — suitable for instrumentation and sensitive assemblies.
Specifications
| Product Name | Hexagon Lock Nut with Vespel Insert |
| Body Material | Monel 400 (UNS N04400) Nickel-Copper Alloy |
| Insert Material | Vespel Polyimide Insert |
| Size Range | M3 – M24 (custom available) |
| Standard | DIN 985 / DIN 934 / ASME B18.16.6, OEM |
| Thread | Metric, UNC, UNF |
| Finish | Plain / Passivated |
| Temperature Range | Up to 260°C continuous (Vespel insert), higher intermittent |
| Locking Type | Prevailing Torque (non-metallic Vespel insert) |
Applications
Higher-temperature process equipment, chemical and petrochemical plants, marine and offshore hardware, heat exchangers, pumps and valves, oil & gas, and desalination systems.
Typical Higher Temperature & Corrosive Service
- Steam, exhaust and process lines where nylon-insert nuts cannot survive.
- Chemical and seawater joints exposed to aggressive media.
- Equipment subject to thermal cycling and vibration.
Packaging & Service
Small MOQ available. Standard export carton and plywood case packing, or as per customer requirement. OEM / ODM service welcome.
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