What materials are available for the valve body?

Valve body materials include WCB, A105, WC6, CF8 (304SS), and CF8M (316SS).

What standards does the safety valve comply with?

It is designed and manufactured in accordance with ASME Section I / VIII, A 526/527, and EN ISO 4126.

Vacuum Relief Valve (or Vacuum Breaker)

Name: Vacuum Relief Valve (or Vacuum Breaker)
Brand: Kaigao Valve Co., Ltd.
SKU: 2133583912

Henan, ChinaKaigao Valve Co., Ltd.

US$50.00-300.00

1 Piece

Product profile

Customization

Available

Media

Steam, Air, Gas, Water, Oil

Standard

ASME I / ASME VIII, 526, En ISO 4126

Structure

Spring Loaded, Pilot Operated

Material

Carbon Steel ,Stainless Steel ,Alloy Stee

Product Name

Pressure Safety Valve

Keywords

Safety Relief Valve, Pressure Safety Valve, Spring

Nominal Diameter

DN15 ~ DN200

Valve Body Material

Wcb, A105, CF8 (304ss), CF8m (316ss), Wc6

Applicable Temperature

-29℃ ~ 350℃

Execute Institution

Spring Loaded, Pilot Operated

Transport Package

Export Wooden Case

Specification

Standard Specifications or Customized

Trademark

Ginsenka

Origin

Hainan, China

Production Capacity

5000000pieces/Year

Key features

Precise & Reliable Opening: Calibrated spring ensures accurate opening at set pressure for dependable overpressure protection.

Full Flow Discharge: Optimized lift and bore design allows maximum flow capacity to quickly stabilize system pressure.

Automatic Resealing: Spring force automatically closes valve tightly when pressure drops, preventing media loss.

Standard Compliance: Designed per ASME Section I/VIII, A526/527, and EN ISO 4126 for global acceptance.

Material Flexibility: Available in Carbon Steel, Stainless Steel, and Alloy Steel for diverse media and temperatures.

Versatile Application: Proven performance in power generation, oil & gas, chemical processing, and manufacturing.

Bubble-Tight Seal: Precise force balance creates a bubble-tight seal when closed, ensuring safety.

Wide Pressure Range: Nominal pressure PN1.6 - PN42.0Mpa (Class 150 - 2500) for various industrial needs.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceIn-stock Capacity100% Finished Products Inspection

Kaigao Valve Co., Ltd.

Henan, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2025-09-04Nearest Port: QingdaoAverage Response Time: ≤3.54hTerms of Payment: LC, T/T, D/P

AI-Powered supplier vetting

SummaryThe supplier appears to be an industrial machinery and components trader/manufacturer with a broad scope covering foundry machinery, forgings, powder metallurgy products, instruments, special equipment, building materials, plastics, textiles, and electronic products. It reports more than 10 production lines, inventory capability, two R&D engineers, raw-material traceability, and quality assurance. However, the evidence also shows no available SDK, no valid manufacturing-capacity contract with affiliated subcontractors, no overseas warehouse, showroom, agents, branches, or overseas-service countries, and no documented corrective-action, complaint-handling, warehouse-control, supplier-assessment, or fire-drill procedures. Quality-testing equipment was recorded as zero, while only customer-request sample provision is documented for R&D. Financial records are referenced by year, but no assessable financial results are provided.

Supplier typeThe supplier’s stated business scope covers machinery and components and multiple industrial product categories, while its description presents valve engineering and manufacturing capabilities. The evidence supports classifying it as an industrial equipment supplier with manufacturing-related activities, although the breadth of its trading scope suggests it may also operate as a diversified distributor.

After-Sales capabilityThe supplier has inventory capability and accepts multiple service quotation and payment arrangements, but it has no overseas warehouse, showroom, agents, branches, or overseas-service countries. It also lacks written corrective/preventive-action and customer-complaint procedures, indicating limited documented after-sales infrastructure.

R&D capabilityThe supplier has two R&D engineers and describes advanced valve sealing and automated-control technologies, but it explicitly has no available SDK. The documented R&D responsibility is limited to providing samples according to customer requirements, so broader innovation capability is not established.

Production capacityMore than 10 production lines, inventory capability, and a stated quality-assurance system indicate some operational capacity. Nevertheless, there is no valid manufacturing-capacity contract with affiliated subcontractors, quality-testing equipment is recorded as zero, and no warehouse-control process was found on site, creating significant production-control weaknesses.

Customization capabilityThe supplier provides samples according to customer requirements and describes customized valve solutions with selectable sealing technologies and electric, pneumatic, or hydraulic controls. This is explicit evidence of product-level customization capability, although the scope and formal process for customization are not detailed.