Shanghai Songjiang Jingning Shock Absorber Co.,Ltd.
                                                                                                           
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Since 2004
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Weatherproof Outdoor Pipeline Expansion Joint: UV-Resistant Neoprene Flanged Rubber Bellows for Exposed Systems

Price Negotiable
Price: US$10.51~56.51/pc
MOQ: 1
Delivery Time: 5--15 working days
Brand: JINGNING
Product Description

Weatherproof Outdoor Pipeline Expansion Joint: UV-Resistant Neoprene Flanged Rubber Bellows for Exposed Systems


Product Description

Exposed pipelines operating in open environments are under constant siege from changing natural forces. Built to brave the most unforgiving elements, this premium outdoor-grade pipeline expansion joint utilizes an aggressively weather-hardened neoprene exterior cover. This specialized outer skin forms an impenetrable defensive barrier that actively repels intense ultraviolet rays, sub-zero frost penetration, heavy ozone exposure, and corrosive coastal salt air. By preventing environmental degradation at the surface, it ensures that the critical internal structure of the joint remains completely uncompromised over decades of continuous exposure.

Beneath its rugged exterior, the advanced elastomeric inner core maintains its optimal structural elasticity across decades of punishing seasonal temperature cycles. This makes it an indispensable asset for safeguarding vulnerable exterior rooftop utilities, cross-country water transmission lines, and exposed bridge-crossing conduits from premature cracking, hardening, or catastrophic failure. Functioning as a highly durable, zero-maintenance shock absorber, this joint seamlessly self-compensates for the relentless thermal breathing, expansion, and contraction of long-run pipe networks. It delivers complete structural peace of mind for engineering assets directly abandoned to the harsh realities of natural environments.


Performance characteristics

  • All-Weather UV & Ozone Shielding: Features a specialized, high-density neoprene outer layer formulated with advanced anti-ozonants. This protective matrix completely deflects intense solar radiation and atmospheric ozone, preventing surface checking and brittleness.

  • Sub-Zero Frost & Thermal Flex-Stability : Engineered to maintain perfect mechanical elasticity across a broad operational temperature spectrum. The elastomeric core resists freezing and hardening during sub-zero winter drops while managing high ambient heat without structural softening.

  • Coastal Salt Air & Corrosion Immunity : Highly resistant to the molecular penetration of airborne chlorides and moisture typical of coastal and marine environments, eliminating the rust and chemical decay that shortens the lifespan of standard industrial joints.

  • Continuous Thermal Breathing Accommodation: Specifically calibrated to absorb the massive, compounding longitudinal expansion and contraction (thermal breathing) characteristic of long-run, unshaded outdoor piping networks during peak daylight-to-night transitions.


Product Specification

Size Length Allowable Movements in Operation
mm inch mm Axial Compression mm Axial Extension
mm

Transverse Movement

mm

Angular Deflection mm
25 1 130/152 20 12 14 15°
32 1 1/4 95/130/152 20 12 14 15°
40 1 1/2 95/130/152 20 12 14 15°
50 2 105/130/152 20 12 14 15°
65 2 1/2 115/130/152 20 12 14 15°
80 3 130/135/152 20 12 14 15°
100 4 130/152 20 12 14 15°
125 5 130/152/165 20 12 14 15°
150 6 130/152/185 20 12 14 15°
200 8 130/152/210 20 12 14 15°
250 10 130/203/230 20 12 14 15°
300 12 130/203/245 25 16 22 15°
350 14 200/255 25 16 22 15°
400 16 200/255 25 16 22 15°
450 18 200/255 25 16 22 15°
500 20 200/255 25 16 22 15°
600 24 260 25 16 22 15°
700 28 260 25 16 22 15°
800 32 260 25 16 22 15°
900 36 260 25 16 22 15°
1000 40 260/300 25 16 24 15°
1100 44 300 25 16 24 15°
1200 48 300 25 16 24 15°

Note: If the medium is oil, acidic or alkaline substances, and there are special requirements for the working temperature, you can customize it by sending a letter or drawing. Please specify when ordering


Product Details

Production Flow


1.Raw material

Top level CR/EPDM/NBR

rubber raw materials,

No recycled rubber

2.Plasticating and mixing

Special Formulation for better Bending with Nylon,For Better Strength,Sealing

3.Workblanks wraping

Cooper plated steel wire reinforcement prevent pull off


4.Vulcanizing

Automatic vulcanization machine ensure vulcanization time and pressure

5.Inspecting
100% strict inspection is to be responsible for consumers

6. Packaging
Protective Packaging for No
Rust and Breakage


Application


Flexible Joint Flange are widely used in various fields, including construction, chemical industry, shipbuilding, tap water, gas, chemical pipelines, petroleum pipelines, food pipelines, air conditioning pipelines, and sewage treatment.


Our Services

1.24-hour online

2.Free samples provided

3.Support customization

4.Provide drawings

5.Multiple payment styles to choose from

6.Factory inspection (material, specifications, quantity, pressure, packaging)

7.Long warranty period

8.Suitable packaging for transportation


Our Customer


Certificate

FAQ

Q: Will intense sunlight cause the rubber to dry rot or crack?

A: No, the outer skin is formulated with anti-ozonants and UV-blockers to prevent environmental drying, cracking, and weathering.

Q: Can this be buried directly underground?

A: For direct burial, we highly recommend adding a protective metal shroud to shield the rubber from soil shifting and sharp rocks.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Shanghai Songjiang Jingning Shock Absorber Co.,Ltd.
Location Room 1002, Xinghua Building,Zhengzhou City, China
Contact Person Wu

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