Which standards does the valve comply with?

The valve complies with ASME B16.34, DIN, MSS SP-110, and EN 1226 standards.

Is the product CE certified?

Yes, the product has CE certification.

What is the pressure rating of the valve?

The valve is designed for Ordinary Pressure with PN16/40 ratings.

Forged Casting Weld Clamp Manual Pneumatic Diaphragm Check Valve

Name: Forged Casting Weld Clamp Manual Pneumatic Diaphragm Check Valve
Brand: Wenzhou Leina Valve Co., Ltd.
SKU: 620223204

Zhejiang, ChinaWenzhou Leina Valve Co., Ltd.

US$5.98

50 Pieces

Product profile

Customization

Available

Material

Stainless Steel

Connection Form

Flange

Model NO.

Pn40 Wafer Check Valve

Structure

Tubular

Pressure

Ordinary Pressure

Function

Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence

Sealing Form

Bellows Globe Valve

Standard

DIN

Application

Industrial Usage, Water Industrial Usage, Household Usage

Size

1/2"-12"

Type

Wafer

Weight

Heavy Type

DIN

Pn40

Transport Package

Small Box-Cartons-Plywood Case

Specification

CE and ISO proved

Trademark

LEINA

Origin

China

HS Code

8481804090

Production Capacity

5000/Month

Key features

Stainless Steel Construction: Made from high-grade A351-CF8M and SUS316 materials for durability.

Wafer Design: Compact one-piece seat design suitable for space-constrained installations.

Comprehensive Customization: Offers full customization, minor customization, and flexible options from samples or designs.

Wide Size Range: Available in sizes from 1/2 inch to 12 inches to fit various pipe systems.

Strict Quality Control: 100% visual and function inspection for all finished products before shipment.

Multiple Certification Standards: Complies with ASME, DIN, MSS, and EN standards for global reliability.

OEM and ODM Services: Professional manufacturer offering OEM and ODM services with 2 R&D engineers.

CE Certified: Products meet CE certification requirements for safety and quality assurance.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceSelf-branded

Wenzhou Leina Valve Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 12 Years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤5.39h

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad customization, OEM/ODM service, CE and ISO9001:2015 certification, three production lines, 6–10 quality-control staff, and in-stock capability. It has exported for 12 years and accepts multiple payment and quotation terms. However, service-management procedures lack documented records, there is no valid manufacturing-capacity contract with an affiliated subcontractor, and no overseas warehouse or showroom. Innovation evidence is limited because no new product was reported in the past year and no SDK is available. Financial information is inconsistent across the provided records, so financial credibility cannot be conclusively assessed. Customer-case evidence is limited to no Fortune 500 cooperation and a repeat-buyer preference of 50%–80%.

Supplier typeThe supplier appears to be a manufacturer offering OEM and ODM services, operating three production lines and providing customization from samples, designs, and full specifications. It also has in-stock capability, but manufacturing capacity involving an affiliated subcontractor is not supported by a valid contract.

CertificationsThe supplier reports an ISO9001:2015 management-system certificate and CE product certification. These are explicit certifications relevant to quality management and product compliance.

Production capacityThe supplier operates three production lines, has 6–10 quality-control staff, maintains inventory capability, and has exported for 12 years. Reported lead times are 2–3 months in one slice, while another gives an unclear range, and the absence of a valid subcontracting contract is a documented capacity-control weakness.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization, and also provides OEM and ODM services. This is direct evidence of broad customization capability.