Yes, we have a strong research & development team. The products can be made according to your request.

Can you provide the relevant documentation and certificate?

Yes, We can provide the international certificates and relevant chemical analysis, mechanical properties, pressure test reports according to the customers need.

How to deal with after sales ?

warranty time : 12 months from the shipment ; and we will be responsible for all the quality problems. We will provide process guidance services, replacement parts, on-site guidance and maintenance services. (both parties shall negotiate the relevant expenses)

1. 20 years of manufacturing and developing experience; 2. A Strong R & D team; 3. Service experience for thousands of customers at home and abroad; 4. Export to 30 countries including Southeast Asia, East Asia, Eastern Europe and Central Asia; 5. Five casting production lines with stable casting quality, high production efficiency and fast delivery time

Do you have agent or representative abroad?Can we join you?

Yes,We have some agents abroad. You have experience in valve and related industries. Welcome to join us. We will provide you with professional service and strong support to win more market share

Ductile Cast Iron Dual Plate Wafer Check Valve Non Return Check Valve

Name: Ductile Cast Iron Dual Plate Wafer Check Valve Non Return Check Valve
Brand: Chengxin Valve Co., Ltd.
SKU: 2145964362

Hebei, ChinaChengxin Valve Co., Ltd.

US$18.00

1-49 Pieces

US$17.00

50+ Pieces

Sample price:US$20.00/piece.Request sample

Product profile

Customization

Available

Media

Water,Oil,Steam

Temperature

Ordinary Temperature

Model NO.

DH77X-16

Material

Cast Iron

Connection Form

Clamp

Structure

Butterfly

Pressure

Ordinary Pressure

Flow Direction

Reversing

Standard

DIN

Application

Industrial Usage, Water Industrial Usage

Certificate

ISO9001, ISO14001,ISO45001

Color

Blue, Red,Grey, Black

Warranty

1 Year

Keyword

Check Valve

Trade Item

FOB, CIF, EXW

Payment

T/T, L/C

Transport Package

Wooden Box or Pallet

Specification

1100*1100*1100

Trademark

CHX

Origin

Hebei, China

HS Code

8481804090

Production Capacity

50000 Pieces/Year

Key features

Ductile Iron Construction: Body and bonnet made of ductile iron for durability and strength.

Multi-Color Customization: Available in Blue, Red, Grey, and Black colors to meet specific needs.

Wide Size Range: Sizes from 2' to 28' (DN50~DN800) for various industrial applications.

Strict Quality Control: 28 tests per procedure; ISO9001, ISO14001, ISO45001 certified.

Professional OEM/ODM: Strong R&D team supports custom manufacturing based on client requests.

Fast Delivery Options: 7-15 days for regular stock; 20-45 days for customized products.

Global Export Experience: Exported to 30+ countries including Russia, Korea, Vietnam, and Dubai.

Comprehensive Warranty: 1-year warranty covering quality problems with replacement parts and guidance.

Company profile

Quality AssuranceManagement CertificationImporters and ExportersProduct Certification

Chengxin Valve Co., Ltd.

Hebei, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableNearest Port: TIANJIN, QINGDAOAverage Response Time: ≤1.80hTerms of Payment: LC, T/T, Western Union, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, EXW

AI-Powered supplier vetting

SummaryThe supplier manufactures and sells ordinary valves and plugs, conducts related research and development, and performs black metal casting. It reports three production lines, annual casting production exceeding 6,000 tons, inventory capability, and 100% finished-product inspection supported by five quality inspectors and raw-material traceability. The supplier holds ISO9001:2015, ISO45001:2018, ISO14001, and CE-related certification capability. It has documented service procedures, corrective-action processes, and complaint-handling records, but lacks an overseas warehouse, overseas showroom, valid manufacturing-capacity contract with affiliated subcontractors, and outsourcing SOP. Customization is available across samples, designs, full, minor, and flexible requirements. The supplier reports OEM service for well-known brands and exports to several countries and regions. Financial information is insufficient for a substantive credibility judgment.

Supplier typeThe supplier is a valve and plug manufacturer and seller with related R&D, black metal casting, metal-product sales, and special-equipment activities. It also undertakes casting business and produces construction, textile, and lathe machinery accessories in batches, indicating a manufacturing-oriented industrial supplier.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 certifications, along with CE product-certification capability. These are explicit certifications or certification capabilities supporting quality, occupational safety, environmental, and market-compliance processes.

After-Sales capabilityThe supplier has more than 100 sales outlets in major and medium-sized Chinese cities, a domestic sales and service network, inventory capability, and documented procedures and records for service capability, corrective/preventive actions, and customer complaints. However, it has no overseas warehouse or overseas showroom, limiting certain overseas service resources.

R&D capabilityThe supplier explicitly conducts research and development of valves, plugs, and metal products and offers multiple product-related technical activities. However, it reports no available SDK, so the evidence supports conventional product R&D but not software-development integration capability.

Production capacityThe supplier reports three production lines, annual casting production exceeding 6,000 tons, inventory capability, 100% finished-product inspection, five quality inspectors, and raw-material traceability. At the same time, it lacks continuous batch-volume reconciliation, an outsourcing SOP, and a valid manufacturing-capacity contract with affiliated subcontractors; these process gaps do not negate the explicitly documented production capacity.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization, and also provides OEM services for well-known brands. This directly demonstrates broad product adaptation and OEM capability.

Client casesThe supplier reports OEM service for well-known brands, exports to Russia, Pakistan, South Korea, Vietnam, Dubai, Africa, and other regions, and has more than 100 domestic sales outlets. These statements provide evidence of brand-related and geographically diverse customer experience, although no specific customer names or project details are provided.

Product Q&A

Q:Are you a trading company or manufacturer?

We are a professional valve factory Located In Hebei, China.

Q:What's Execution Standard of products?

ISO,ANSI,AWWA,DIN,BS,JIS,EN,GOST,AS standard.

Q:How long is your delivery time?

Generally it is 15 days if the goods are in stock. It is 25-30 days if the goods are not in stock, it is according to quantity.

Q:Do you provide samples ? is it free or extra ?

Yes, Welcome sample order to test and check the quality of products. The sample amount is less than $100, the product cost is free, and the customer needs to pay the express delivery fee. If the sample amount is higher than $100, and the sample cost and express delivery fee need to be negotiated by both parties.

Q:What is your terms of payment ?

30% T/T in advance ,70% balance before shipment or see copy of bill of lading.