What is the Minimum Order Quantity (MOQ)?

We welcome an MOQ of 1 piece for starting cooperation.

Do you provide free samples?

Free samples are available for first-time cooperation under sincere partnership terms.

How do you handle quality problems?

We offer replacement, compensation, or resending of goods based on the specific condition of the issue.

Stainless Steel Low Pressure Automatic Air Compressor Relief Regulating Valve

Name: Stainless Steel Low Pressure Automatic Air Compressor Relief Regulating Valve
Brand: Wenzhou Joneng Valves Co., Limited
SKU: 775050905

Zhejiang, ChinaWenzhou Joneng Valves Co., Limited

US$10.00-40.00

1 Piece

Sample price:US$5.00/piece.Request sample

Product profile

Customization

Available

Size

1"-4"

Transport Package

Wooden Case

Model NO.

JN-SV2002

Specification

1"-4"

Trademark

JONENG

Origin

Wenzhou China

HS Code

8481804090

Production Capacity

3000PCS/Year

Key features

3-Year Warranty Coverage: Comprehensive 3-year guarantee on all stainless steel components for peace of mind.

Food-Grade Sanitary Design: SS304/316 construction with FDA/3A compliance for safe food and pharma use.

Automatic Pressure Relief: Automatically vents trapped air and excess pressure to prevent system damage.

ISO 9001 & CE Certified: Manufactured under strict international standards for quality and safety assurance.

Fast 7-10 Day Delivery: Quick turnaround for normal products, ensuring timely project completion.

Customization Available: Flexible customization options including size, design, and sample-based production.

Vacuum Protection Feature: Allows controlled air entry to prevent tank collapse during vacuum formation.

Easy Installation & Maintenance: Tri-clamp design enables quick assembly, disassembly, and CIP/SIP cleaning.

Company profile

High Repeat Buyers ChoiceIn-stock CapacityQuality AssuranceR&D Capabilities

Wenzhou Joneng Valves Co., Limited

Zhejiang, China

Business Type: Manufacturer/Factory CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 9 Years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤0.92h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier is an export-oriented manufacturer with stated production capacity for valves, pipe fittings, unions, and manhole covers, supported by two production lines, CNC turning equipment, and six to ten quality-control staff. It holds ISO 9001:2015 and ISO 14001:2015 certifications, and reports documented procedures for corrective and preventive actions and customer complaints. The supplier offers broad customization from samples and designs, but reports no new products in the past year, no ODM service, no SDK, and only one year of R&D-engineer experience. It has inventory capability and contracts with associated subcontractors, but no overseas warehouse, showroom, agent, or branch. Financial information is limited to year references, so financial credibility cannot be determined. No customer cases are provided.

Supplier typeThe supplier presents itself as a manufacturing company producing manhole covers, butterfly valves, pipe fittings, unions, and diaphragm valves. It operates two production lines, uses a CNC lathe, has inventory capability, and holds valid manufacturing contracts with associated subcontractors; its exports account for 51%–70% of total sales and it has nine years of export experience.

CertificationsThe supplier reports ISO 9001:2015 and ISO 14001:2015 certificates. These certifications cover quality and environmental management systems, and the supplier also reports a sustainable-development management system certification listing the same standards.

After-Sales capabilityThe supplier has documented and followed procedures for corrective and preventive actions and for handling customer complaints. It also reports in-stock service capability, but has no overseas warehouse, overseas showroom, agent, or branch, and lists zero countries with overseas services; therefore, documented support exists while overseas service coverage is limited.

R&D capabilityThe supplier reports no new products during the past year, no ODM service, no available SDK, and total R&D-engineer experience of one year. These statements indicate limited demonstrated innovation resources and output in the provided evidence.

Production capacityThe supplier reports product-specific annual capacities of 12,000 manhole covers, 50,000 butterfly valves, 150,000 pipe fittings, 150,000 unions, and 15,000 diaphragm valves, supported by two production lines, CNC turning equipment, six to ten quality-control staff, inventory capability, and valid subcontractor contracts. However, finished products are checked by packing staff, which describes the inspection arrangement but does not by itself establish a deficiency.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, flexible customization, and minor customization. This capability is stated consistently in both the R&D/design-service information and the production information.

Product Q&A

Q:Are you a manufacturer or trading company?

We are a manufacturer factory with our own exporting license and three specialized facilities.

Q:What certifications do you have?

We hold ISO, FDA, LFGB, CE, and PED certificates, along with design patents.

Q:How do you control product quality?

We use 3 spectro PMI machines for raw materials, pressure testing, and hardness testing, with dedicated staff inspecting during production and for finished goods.

Q:What is the warranty period?

We provide a 3-year warranty for all stainless steel products, excluding gaskets and easily broken parts.

Q:What is the delivery time?

Normal products are delivered in 7-10 days, while bulk orders take 15-25 days depending on quantity.