What materials are used for the sealing surface?

The sealing surface uses NBR (oil-resistant) or EPDM (water/steam-resistant) rubber.

What is the nominal pressure rating?

The nominal pressure is PN1.6 MPa, with a shell test pressure of 2.4 MPa and sealing test pressure of 1.76 MPa.

What certifications does the company hold?

The company holds ISO9001:2015, ISO45000:2018, and ISO14001 management system certifications.

Durable Rubber Flap Check Valve for Efficient Flow Control

Name: Durable Rubber Flap Check Valve for Efficient Flow Control
Brand: Tianjin Jintong Valve Manufacturing Co., Ltd.
SKU: 2099655912

Tianjin, ChinaTianjin Jintong Valve Manufacturing Co., Ltd.

US$10.00-100.00

1 Piece

Product profile

Customization

Available

Media

Water

Driving Mode

Manual

Model NO.

H44X-16Q

Connection Form

Flange Connection

Structure

EPDM

Seal Form

Metal Hard Seal

Valve Stem

Nothing

Work Pressure

1.6 MPa

Working Temperature

Normal Temperature (-40°C<T<120°C)

Material of Seal Surface

Rubber

Valve Body

Found

Standard

GB/T13927-2022

Application

Industrial Usage, Water Industrial Usage, Household Usage

Model No.

Cbf02-TF01

Body Material

Cast Lron/Ductile Lron/Wcb/CF8m/CF8/Al-Bronze

Seat Material

NBR/EPDM/PTFE/FKM/Silicone etc

End Standard

Pn6/10/16/25/21/150lb/JIS5K/10 K/As2129 Table D/E/

Power

Di/Nylon/1.4469/1.4529/Saf2205/ 2507/CF8/CF8m etc

Coating

Fbe Epoxy Coated

Face to Face

En558:API609:DIN3202:Is05752:BS 5155:Awwa

Transport Package

Wooden Box, Wooden Pallet

Specification

DN50-DN3000

Trademark

JINTONG

Origin

Tianjin

HS Code

1207960

Production Capacity

10000000pieces/Year

Key features

Bubble-Tight Sealing: Complies with GB/T 13927 Class VI for zero leakage performance.

Fast Response Time: Opens/closes within 0.5 seconds based on flow velocity.

Low Pressure Loss: Swing structure offers low resistance, approx. 0.02-0.05 MPa for DN100.

Customizable Options: Custom body, seat, coating, and face-to-face dimensions available.

24-Hour Technical Support: Comprehensive after-sales system with 24-hour fault diagnosis and repair.

Multi-Media Compatibility: Suitable for water, steam, oil, and non-corrosive liquids.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceQuality AssuranceManagement Certification

Tianjin Jintong Valve Manufacturing Co., Ltd.

Tianjin, 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: 1 Year CertifiedNearest Port: Tianjin PortAverage Response Time: ≤18h

AI-Powered supplier vetting

SummaryThe supplier is a combined valve manufacturing company with reported design, development, production, sales, installation, maintenance, and service capabilities. It offers broad customization, ODM services, OEM services for popular brands, and has reported new-product development, 12 R&D patents, and auditable design documentation. Quality-related evidence includes ISO9001, ISO14001, OHSAS18001, CE, TS, and CCC certifications, plus documented finished-product inspection instructions that are uniformly followed. However, several service-control procedures lack written records, the supplier has no valid manufacturing-capacity contract with an affiliated subcontractor, and it reports no overseas branches, agents, warehouse, showroom, offline trade-show participation, or overseas service countries. Financial credibility cannot be determined from the provided slices because the financial entries only identify years and do not provide assessable financial results.

Supplier typeThe supplier is identified as a combined company rather than an offshore entity. Its stated business scope covers valve design, development, production, sales, installation, maintenance, and service, indicating an integrated manufacturing-and-service supplier profile.

CertificationsThe company reports ISO14001 environmental, ISO9001 quality, OHSAS18001 occupational health and safety, CE, TS, and CCC certifications. These are explicit certifications relevant to environmental management, quality management, occupational safety, and product or market compliance.

R&D capabilityThe supplier reports new products during the past year, ODM capability, an available SDK, 12 R&D patents, and auditable documentation covering design inputs, outputs, reviews, verification, and validation. R&D personnel are also described as responsible for product improvement and production support, providing explicit evidence of structured innovation capability.

Production capacityProduction evidence includes CNC machines, drilling machines, and lathes; a stated valve manufacturing base; uniformly followed finished-product inspection instructions; inventory capability; and quality assurance in quality-control processes. Nevertheless, the supplier reports no valid manufacturing-capacity contract with an affiliated subcontractor, so the full reliability and scalability of production capacity remain partly unverified.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM services, demonstrating broad stated capability across both customer-provided and supplier-developed designs.

Product Q&A

Q:What is the warranty period?

The product features a service life that far exceeds peer products, supported by a comprehensive after-sales service system with 24-hour technical support for fault diagnosis and repair.

Q:What is the minimum order quantity?

The minimum order quantity is 10 units.

Q:What is the lead time for delivery?

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

Q:What payment terms are accepted?

Accepted payment terms include LC, T/T, D/P, PayPal, Western Union, and Small-amount payment.

Q:Can the valve be customized?

Yes, customization is available from samples, designs, full customization, minor customization, and flexible customization.