What materials are used for the capillary tube and bellows?

The sensor and capillary tube are made of copper or chrome-plated copper, while the bellows uses phosphor bronze or stainless steel.

Factory Original Corrosion Resistant Temperature Sensing Bulb Assembly for Capillary Thermostat

Name: Factory Original Corrosion Resistant Temperature Sensing Bulb Assembly for Capillary Thermostat
Brand: Thermal International Co., Ltd.
SKU: 1982474631

Guangdong, ChinaThermal International Co., Ltd.

US$1.81

1,000-4,999 Pieces

US$1.76

5,000-9,999 Pieces

US$1.68

10,000+ Pieces

Sample price:US$2.00/piece.Request sample

Product profile

Customization

Available

Certification

Brand

Thermal International

Model NO.

BS-302

Applicable Temperature

-35℃~180℃

Over-Temperature Tolerance

Can Withstand Set Temperature +40℃ (Short Time)

Sensing Medium Pressure

0.1~1.7MPa (Varies with Temperature)

Bellwall Pressure Resistance

≥1.0MPa (Some Models Can Reach 7MPa)

Temperature Error

±2~4℃ (High Precision Models Can Reach ±1.5℃)

Response Time

≤7s (Static Environment)

Transport Package

Carton Packaging

Specification

Temperature Sensing Bulb Assembly

Trademark

Thermal International

Origin

China

HS Code

73219000

Production Capacity

50000PCS/Week

Key features

Corrosion Resistant Material: Made of copper, chrome-plated copper, phosphor bronze, and stainless steel for durability.

Electrical-free Safety: Purely mechanical structure requires no power supply, ideal for explosion-proof equipment.

Customizable Capillary Length: Standard length is 2m, but can be customized from 3m up to 10m upon request.

1-Year Warranty Coverage: We offer a comprehensive 1-year guarantee for all our temperature sensing bulb assemblies.

Company profile

Importers and ExportersHigh Repeat Buyers Choice

Thermal International Co., Ltd.

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2008-09-01Nearest Port: Shenzhen, ningbo and ShanghaiAverage Response Time: ≤2.88hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, FCA

AI-Powered supplier vetting

SummaryThermal International Co., Ltd. is identified as a private manufacturer/factory in Shenzhen, China, specializing in home-appliance heating elements, thermostats, switches, and motors. The supplier reports ISO 9001 certification, six production lines in one operational record, and a separate company description claiming ten assembly lines across three owned factories. It reports 11–20 R&D engineers, 11–20 quality-control staff, and product output information for hot plates, heating elements, and thermostats. Export activity began in 2008, with 51%–70% of total sales from exports and self-operated import/export rights. The supplier states that it supports on-site and third-party inspections, pre-sales consultation, timely delivery, and after-sales service. However, several areas—including outsourcing procedures, inventory, overseas operations, OEM/ODM, SDK-related R&D, quality traceability, customer cases, and current audit validity—remain unverified or explicitly unknown.

Supplier typeThe supplier is explicitly classified as a Manufacturer/Factory, with a stated factory location in Shenzhen, China. Its reported production infrastructure includes six production lines in one record, while another description claims ten assembly lines across three owned factories, so the exact consolidated factory footprint is inconsistent but manufacturing status is clear.

CertificationsThe supplier reports ISO 9001 certification for its management system. This is explicit evidence of certification holding, although no certificate number, scope, or validity period is provided.

After-Sales capabilityThe supplier states that it provides personalized service from pre-sales consultation through after-sales service, with a sales team offering professional advice and timely delivery. These statements support the existence of an after-sales service commitment, although no service-level details or performance evidence are supplied.

Production capacityThe supplier reports six production lines in one factory record, while its company description states ten assembly lines across three owned factories. It also provides product-specific output quantities for hot plates, heating elements, and thermostats, which explicitly supports established production capacity, although the differing line counts should be clarified.