What is the working pressure of the hose?

The hose has a working pressure of 20 Bar (300 PSI) and a burst pressure of 60 Bar (900 PSI).

Professional Twin Hose for Welding Operations with Enhanced Durability

Name: Professional Twin Hose for Welding Operations with Enhanced Durability
Brand: Changzhou Qianfeng Rubber&Plastics Products Factory
SKU: 2280689895

Jiangsu, ChinaChangzhou Qianfeng Rubber&Plastics Products Factory

US$0.80-5.00

2,000 Meters

Sample price:US$5.00/meter.Request sample

Product profile

Customization

Available

Material

EPDM

Color

Red (for Acetylene), Blue/Green (for Oxygen),

Model NO.

QF 901

Product Name

Twin Line Hose

Application

Welding, Cutting, Heating, Industrial Gas Delivery

Certification

ISO 9001

Working Pressure

20 Bar

Bursting Pressure

60 Bar

Size

1/4 Inch-1 Inch

Temperature Range

-20°C to +80°C

Brand

OEM / ODM / [Custom]

Constitution

U (Polyurethane) / PVC / Rubber / Nylon / Hybrid /

Reinforcement

High Tensile Synthetic Textile

Surface Finish

Smooth, Corrugated/Ribbed

Transport Package

Carton

Specification

1/4 inch-1 inch

Origin

China

HS Code

4009320000

Production Capacity

100000/Month

Key features

Twin-Line Bonded Design: Oxygen and acetylene hoses joined to prevent tangling, tripping, and crossover for improved safety.

Heavy-Duty Durability: Synthetic rubber cover resists abrasion, ozone, oil, and heat without cracking or hardening.

High Pressure Rating: 20 Bar working pressure and 60 Bar burst pressure for safe industrial gas delivery.

Certified Quality: Manufactured according to ISO 3821 and EN 559 standards for reliable performance.

Customizable Options: Offers customization for length, wall thickness, and fittings to meet specific project needs.

Company profile

Self-brandedPatents AwardedIn-stock CapacityFast Delivery

Changzhou Qianfeng Rubber&Plastics Products Factory

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 2 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤6.16h

AI-Powered supplier vetting

SummaryThe supplier manufactures and sells rubber products, sealing fillers, and hardware products, with import and export authorization indicated in its business scope. It reports extrusion molding and weaving production lines, inventory capability, and stated customization services. Service indicators include lead times within 15 working days in both peak and off-season periods, acceptance of LC and T/T, and quotation terms including FOB, CIF, CFR, and EXW. However, the evidence identifies limitations in documented R&D controls, recent product development, overseas service infrastructure, manufacturing-capacity contracting, sustainable-management systems, and customer references. ISO9001:2015 certification and recent fire-drill activity are reported, but the available information does not establish broader certification coverage or financial strength.

Supplier typeThe supplier's stated business scope covers sales and manufacturing of rubber products, manufacturing of hardware products, sales of sealing fillers, and import and export of goods and technology. This supports classification as a manufacturer and trading/export-capable supplier in these product categories.

CertificationsAn ISO9001:2015 certificate is explicitly reported. The slices do not identify additional certifications or provide certificate validity and scope details, so the assessment is limited to the stated quality-management certification.

After-Sales capabilityR&D engineer responsibilities explicitly include after-sales service, and the supplier reports service-related records, 30 qualified service-capability suppliers, and lead times within 15 working days in both peak and off-season. However, the assessment procedure lacks a written procedure, so the evidence supports capability but not fully formalized service governance.

R&D capabilityThe supplier offers ODM services and reports CAD and PS software capability, but states that it had no new products during the past year, has no R&D audit documentation available, no SDK, and only one R&D patent. These are explicit limitations in demonstrated recent innovation and R&D process maturity.

Production capacityExtrusion molding and weaving production lines are reported, along with in-stock capability and lead times within 15 working days in both peak and off-season. Nevertheless, the factory and related subcontractors have no valid manufacturing-capacity contract, finished-product inspections have instructions but no written records, and overseas warehousing is unavailable.

Customization capabilityThe supplier explicitly reports customization from samples, customization from designs, full customization, minor customization, and flexible customization, consistently across two slices. This is direct evidence of broad customization coverage.