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Xiamen Dezhengkai Sealing Technology Co., Ltd

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City:xiamen

Country/Region:china

Contact Person:MrGao

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China Jb982-77 Combined Sealing Washer Seals Self-Centering Combined Washer wholesale

Jb982-77 Combined Sealing Washer Seals Self-Centering Combined Washer

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Brand Name :DZK

Model Number :Jb982-77

Certification :ROHS

Place of Origin :CHIAN

MOQ :100PCS

Price :negotiate

Payment Terms :L/C,T/T

Supply Ability :1000000PCS/MONTH

Delivery Time :7-10 days

Packaging Details :100pcs/bag

product name :Combined Sealing Washer Seals

Primary Materials :304 stainless steel, NBR

Temperature Range :-25°C to +100°C

Medium :oil

Governing Standard :Jb982-77

Hardness :70 Shore Hardness

characteristic :Oil-resistant, wear-resistant, waterproof and dustproof, high-temperature resistant

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JB982-77 Combined Sealing Washer | All-Metal Self-Sealing Washer for High-Pressure & High-Temperature Applications

Integral Sealing & Fastening | Aerospace & Hydraulic Standard | Reusable Design

Product Overview

The JB982-77 Combined Sealing Washer is a precision-engineered,Composed of a metal gasket and rubber, it uses oil as the medium and is used for sealing threaded pipe joints and plugs. Its operating pressure is 400 kgf/cm² (39.2 MPa) and operating temperature ranges from -25℃ to 80℃. The gasket is a component placed between the connected part and the nut, usually a flat metal ring. It serves to protect the surface of the connected part from scratches by the nut and distribute the pressure of the nut on the connected part.

Technical Specifications (Typical)

Parameter	Standard Specification
Governing Standard	Jb982-77
Primary Materials	304 stainless steel, NBR
Temperature Range	-25°C to +100°C
Hardness	70 Shore Hardness
characteristic	Oil-resistant, wear-resistant, waterproof and dustproof, high-temperature resistant

Core Features and Advantages

Two-in-One Design: Combines the functions of a flat washer and a sealing washer, simplifying the assembly process.
All-Metal Construction: Made of stainless steel, suitable for extreme temperature and pressure environments.
Pressure-Activated Sealing: The sealing lip deforms under bolt torque to form an airtight or liquid-tight seal.
Reusable: Can usually be reused multiple times if within the deformation limit, reducing lifecycle costs.
Wide Compatibility: Resistant to corrosion, radiation, and most highly corrosive chemicals.

Application Fields

It is widely used in hydraulic and pneumatic systems, construction machinery and other fields. It is suitable for working conditions with sealing surface deviation or vibration, ensuring sealing reliability.