What is the reset value for the valve?

The reset value is -20% of the preset pressure.

What are the available connection sizes?

Available sizes include 1/2''M*1/2''F and 1/2''M*3/4''F.

What is the average lead time for delivery?

The average lead time is one month for both peak and off-peak seasons.

Durable 2.5-8bar Threaded Brass Safety Valve for Boiler Use

Name: Durable 2.5-8bar Threaded Brass Safety Valve for Boiler Use
Brand: Zhejiang Huibo Valve Technology Co., Ltd.
SKU: 1971493921

Zhejiang, ChinaZhejiang Huibo Valve Technology Co., Ltd.

US$1.00-10.00

1,000 Pieces

Sample price:US$1.18/piece.Request sample

Product profile

Customization

Available

Media

Water

Certification

ISO, CE

Model NO.

HB-14201-A

Temperature

Ordinary Temperature

Connection

Thread

Pressure

Adjustable

Closed

Structure

Lever

Material

Brass

Name

1/2"- 3/4" Boiler Use Brass Safety Relief Valve

Key Words

Boiler Valve

Surface

Forged Brass

Connection Standard

ISO228

Thread

PT. PF. NPT. G. BSPT

Medium

Water, Oil, Air

Normal Pressure

1.6MPa

Working Temperature

-20℃ to 120℃

Delivery Port

Shanghai/Ningbo

Usage

Industrial and Household

Transport Package

Export Standard Packing

Specification

1/2''

Trademark

Origin

China

HS Code

8481804090

Production Capacity

100000pieces/Month

Key features

Adjustable Pressure Range: Preset nominal pressure spans 2.5 to 8 bar with 10% overpressure tolerance.

Diverse Thread Standards: Supports PT, PF, NPT, G, and BSPT connection standards per ISO228.

ISO and CE Certified: Meets international safety and quality standards for global markets.

OEM and ODM Services: Custom manufacturing available with dedicated R&D engineers.

Multi-Media Compatibility: Suitable for water, oil, and air applications in industrial settings.

Lever Structure Design: Robust lever mechanism ensures reliable safety relief performance.

Forged Brass Material: Constructed from high-quality forged brass for durability.

Company profile

Zhejiang Huibo Valve Technology Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2017-12-31 CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤4.72h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryZhejiang Huibo Valve Technology Co., Ltd. is a China-based limited company established in 2008, with 100 employees and a 22,000 m² manufacturing plant in Yuhuan, Zhejiang. It presents itself as a valve manufacturer with an owned factory, six production lines, stated annual outputs of three million each for brass ball valves, brass gas valves, and angle valves, plus one million brass manifolds and one million radiators. The supplier holds ISO 9001:2015 and ISO 14001:2015 certifications and reports SGS and CE qualifications for its products. Evidence supports established manufacturing, quality-system certification, export experience since 2017, and broad international market coverage. However, the provided information does not sufficiently verify after-sales processes, financial credibility, specific customer cases, or dedicated customization capabilities.

Supplier typeThe supplier is identified as Zhejiang Huibo Valve Technology Co., Ltd., a Chinese limited company located in Yuhuan, Zhejiang. It is described both as a manufacturer with its own factory and, in company records, as a trade company; its stated products are primarily brass valves and HVAC system components.

CertificationsThe supplier reports ISO 9001:2015 and ISO 14001:2015 management-system certificates, while its product description also states that products have SGS and CE certificates. These certifications provide explicit evidence of quality and environmental-management credentials, although the slices do not provide certificate numbers, scopes, or validity dates.

R&D capabilityThe supplier states that it continuously upgrades products and technology, and it reports three R&D engineers, advanced low-pressure casting, hot forging, multi-station machinery, and high-precision CNC equipment. These details indicate some technical-development capability, but there is no quantified record of new product launches, patents, R&D investment, or documented innovation outcomes.

Production capacityProduction capability is supported by a 22,000 m² plant, six production lines, and stated annual outputs of three million brass ball valves, three million brass gas valves, three million angle valves, one million brass manifolds, and one million radiators. The supplier also states one-month fulfillment times in both off-peak and peak seasons, although the basis and verification of these figures are not provided.

Customization capabilityThe supplier offers custom brass valves for HVAC systems and identifies HVAC system parts and brass valve products as specialties. This supports the existence of a customization offering, but the slices do not specify design engineering services, customization limits, tooling capability, minimum order requirements, or examples of completed custom projects.

Product Q&A

Q:Can I have a sample before placing the order?

Sure, we would like to provide you samples for testing before official purchasing.

Q:What is your MOQ order?

100pcs for manifold. 1000-3000pcs for other ordinary products, if product needs new mold to produce, then MOQ is 5000pcs.

Q:How to proceed an order for your products?

Firstly, pls let us know your requirments and application Seconly, we provide quotation according to your needs. Thirdly, samples confirmation Forth, order details confiramtion, Fifthly, production arrangement after receiving deposit.

Q:What is the maximum working pressure?

The maximum working pressure is 10 bar.

Q:What is the minimum sealing pressure?

The minimum sealing pressure is -5% of the preset pressure.