What material is the plug made of?

Premium natural rubber (NR) -- high elasticity, tear-resistant, durable across -20 Celsius to +70 Celsius.

Do you offer custom sizes?

Yes, custom diameters and configurations per your drawings.

Pipe Sealing Inflatable Rubber Air Bladder for Urban Sewer Pipelines

Name: Pipe Sealing Inflatable Rubber Air Bladder for Urban Sewer Pipelines
Brand: Hengshui Jingtong Rubber Co., Ltd.
SKU: 2000400351

Hebei, ChinaHengshui Jingtong Rubber Co., Ltd.

US$5.00-10.00

10 Pieces

Sample price:US$5.00/piece.Request sample

Product profile

Customization

Available

Condition

New

Certification

ISO

Model NO.

PR-001

Pressure

Low Pressure

Shape

Round

Material

Nr / EPDM / NBR Optional,Multi-Layer Polyester Fi

Function

Detection Type, Closure Type

Color

Black

Inflatable Way

Inflator

Dimension

50mm-2000mm

Hardness (Shore a)

55±5 (Nr), 60±5 (EPDM/NBR)

Type

with/Without Catheter

Tensile Strength

≥14MPa

Elongation at Break

≥450%

Working Inflation Pressure

0.015~0.20MPa

Reusable Times

≥200 Cycles

Temperature Range

-20℃~+80℃ (Standard), -30℃~+90℃ (Custom)

Transport Package

in The Carton

Specification

Dimention: 50mm

Trademark

HengJingGong

Origin

Made in China

HS Code

4016950090

Production Capacity

500 PCS / Day

Key features

Natural Rubber Body: Durable NR body resists repeated inflation with high elasticity.

Quick Inflatable Seal: Inflates in seconds via air pump for a tight 360-degree seal.

Wide Size Range: Fits pipes 50mm to 1200mm; custom diameters available.

Multi-Purpose Use: Leak testing, sewer blocking, drainage isolation, pipeline maintenance.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceExperienced TeamPatents Awarded

Hengshui Jingtong Rubber Co., Ltd.

Hebei, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 10 Years CertifiedNearest Port: Tianjin Port,Qingdao PortAverage Response Time: ≤5.05h

AI-Powered supplier vetting

SummaryThe supplier is identified as a factory and limited company with associated companies, offering a broad range of bridge, rubber, sealing, and customized products. It reports 10 production lines, defined product output, six to ten quality-control staff, and export experience of 10 years, with exports representing 41%–50% of total sales. The supplier provides extensive customization and ODM services and reports new products during the past year. However, no supplier-management-system certification is reported, and its service-capability procedures lack written records for assessment and corrective/preventive actions. Complaint handling has a clear procedure with follow-up records. The supplier has no overseas warehouse, showroom, agent or branch, or offline trade-show participation. Financial credibility cannot be assessed from the available non-financial information.

Supplier typeThe supplier is explicitly classified as a factory and limited company, with associated companies and manufacturing as the industry of those companies. This supports direct manufacturing status rather than a trading-only profile.

CertificationsThe supplier-management-system certification field is explicitly reported as NIL. No certification evidence is provided for this field, indicating a stated lack of supplier-management-system certification.

After-Sales capabilityThe supplier has a clear customer-complaint handling procedure with follow-up records, which is positive evidence for after-sales issue management. However, assessment and corrective/preventive-action procedures have no records, so the service system is only partially documented.

R&D capabilityThe supplier reports new products during the past year and provides ODM services, indicating active product-development capability. However, it reports no available SDK, which limits evidence of software-development or integration capability.

Production capacityThe supplier is a factory operating 10 production lines, with six to ten quality-control staff and stated output across rubber culvert balloons, seismic isolation bearings, waterstops, and expansion joints. It also reports inspection instructions that are uniformly followed, supporting established production and quality-control operations.

Customization capabilityThe supplier explicitly offers customization from samples and designs, full, minor, and flexible customization, including made-to-order products with complex profiles and different materials. It also provides ODM services, demonstrating broad customization coverage.

Client casesThe supplier states that it provides OEM services for well-known brands, which is direct evidence of at least one customer-case category. No customer names, project details, volumes, or independently verifiable case documentation are provided.