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Product details

1. Core Working Principle of Rubber Inflatable Seals

The core working principle of rubber inflatable seals is to utilize the deformable characteristics of elastic materials and the dynamic adjustment of gas pressure to achieve tight sealing and gap filling. Essentially, through the mechanical action of "inflating and deflating," the flexible seal undergoes a "contraction-expansion" transformation within the sealing groove, ultimately forming a gapless sealing barrier.

2. What are the Cross-Section Classifications?

(1) Circular Cross-Section Inflatable Seals (O-rings)

Features: Simple structure, strong versatility, expands into a circular shape after inflation, provides uniform fit, suitable for conventional flat or circular sealing surfaces.

Suitable Scenarios: General equipment doors, pipe interfaces, ordinary valve seals.

(2) Rectangular/Square Cross-Section Inflatable Seals

Features: Large contact area after expansion, strong sealing stability, suitable for wide gap sealing (gap ≥ 5mm), some have built-in reinforcing layers to prevent deformation.

Suitable Scenarios: Large equipment doors, culvert pipes, irregular cavity seals. (3) Trapezoidal/Wedge-shaped seal Inflatable

Features: One side is beveled, prioritizing contact with the edge of the sealing surface after inflation, suitable for sloping sealing grooves or sealing surfaces with height differences.

Suitable for: Valve cores, pipe flanges, and equipment door edge sealing.

(4) M-type/Double-lip Inflatable Seal

Features: M-shaped cross-section, forming a double sealing lip after inflation, providing stronger airtightness and blocking gas and liquid media.

Suitable for: Vacuum chambers, sterile equipment, and high-pressure pipeline valves.

(5) Irregularly Shaped Inflatable Seal (Customized)

Features: Customized shape according to the equipment sealing groove (e.g., L-shape, U-shape, irregular curve), precisely adapting to special structures.

Suitable for: Semiconductor equipment, nuclear industry testing boxes, and customized mechanical equipment. Inflatable seal with reinforced layer

Features: Built-in fiberglass, aramid fiber, or stainless steel wire braided layer enhances compressive strength (up to 3.0 MPa) and prevents bulging and rupture under high pressure.

Suitable applications: High-pressure vessels, aerospace equipment, heavy machinery.

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TIANJIN JINHANG TECHNOLOGY CO.,LTD

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4 month

Main Product: rubber inflatable seal, silicone inflatable seal, Integral molded inflatable seal, Reinforced fabric inflatable seal , Inflatable seal, silicone inflatable gasket

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