What is the average lead time for production?

The lead time is within 15 workdays during the off-season and one month during the peak season.

How is the quality controlled before shipment?

We perform 100% inspection on finished products, including both visual and function inspections, following uniform instructions.

Quiet Drain Micron Resistance Rubber Lined Slow Closing Swing Check Valve Backflow Preventer

Name: Quiet Drain Micron Resistance Rubber Lined Slow Closing Swing Check Valve Backflow Preventer
Brand: Like Valve (Tianjin) Co., Ltd.
SKU: 1981048072

Tianjin, ChinaLike Valve (Tianjin) Co., Ltd.

US$282.00

1-4 Pieces

US$265.00

5-14 Pieces

US$249.00

15-19 Pieces

US$232.00

20+ Pieces

Sample price:US$270.00/piece.Request sample

Product profile

Customization

Available

Media

Water

Temperature

Ordinary Temperature

Material

Cast Iron

Connection Form

Flange

Structure

Swing

Pressure

Low Pressure

Standard

ANSI

Application

Water Industrial Usage

Standard or Nonstandard

Standard

Product Name

Slow Shut Check Valve

Body

Ductile Iron

Plate

Rubber Coated

Allen Bolts

Carbonization Process

Seals

NBR, EPDM

Bonnet

Gray Irorn, Ductile Iron, Cast Steel

Stem

Ductile Iron

O-Ring Seals

NBR

Bolt

Carbon Steel, Alloy Steel

Transport Package

Wooden Case

Specification

8 in

Trademark

Origin

China

HS Code

8481804090

Production Capacity

1000000

Key features

Water Hammer Elimination: Automatically prevents reverse flow and eliminates destructive water hammer effects.

Slow Closing Mechanism: Features a counter weight swing design for slight resistance and quiet operation.

High-Quality Seals: Equipped with durable NBR or EPDM seals for reliable performance.

Durable Materials: Constructed from ductile iron, cast steel, and stainless steel components.

ISO Certified Quality: Manufactured under ISO9001:2015 and ISO14001 management systems.

CE Product Certification: Meets CE safety and quality standards for industrial water applications.

OEM/ODM Support: Offers flexible customization from samples, designs, or full customization.

100% Inspection: Every finished product undergoes strict visual and function inspection.

Company profile

Importers and ExportersFast DeliveryHigh Repeat Buyers ChoiceExperienced Team

Like Valve (Tianjin) 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.Export Year: 2007-03-02Nearest Port: TianjinAverage Response Time: ≤6.92h

AI-Powered supplier vetting

SummaryThe supplier is a Tianjin-based manufacturer and engineering/trading provider with two production lines and stated valve output of 18,000 pieces. It reports API6D certification for its products, an ISO9001-based quality management system, and OHSAS/OHSMS 18001 certification. The supplier supports extensive customization, OEM services for recognized brands, and direct export with 51%–70% of sales from exports. Quality procedures, complaint handling, corrective actions, and supplier assessment procedures are documented and followed. However, it has fewer than five quality-control staff, no reported R&D engineer experience, no stock, overseas warehouse, overseas branch, or overseas showroom capabilities, and no SDK availability. Financial credibility cannot be fully assessed from the permitted information because the provided financial records are incomplete and monetary figures are excluded.

Supplier typeThe supplier operates as a manufacturer and engineering/trading provider covering hardware and electrical equipment, pipeline engineering design and construction, wire and cable sales, and import/export activities. Its factory is located in Jinnan District, Tianjin, China, with two production lines and stated valve production output.

CertificationsThe supplier states that its products have API6D certification and that its quality management system follows ISO9001 requirements; it also reports OHSAS/OHSMS 18001 certification for supplier management systems. These are explicit certification or standards-related credentials, although the supplied information does not provide certificate validity dates or scopes in detail.

After-Sales capabilityThe supplier has documented and followed procedures for customer complaints, corrective and preventive actions, quality assurance, and supplier-service assessment. However, it reports no overseas agents or branches, no overseas warehouse, no overseas showroom, no in-stock service capability, and service coverage in zero countries, so international local-service capability is limited.

Production capacityThe supplier operates two production lines and reports valve output of 18,000 pieces, with valid manufacturing contracts covering associated subcontractors and a standard outsourcing procedure. Lead time is stated as within 15 working days in both peak and off-season periods, but the factory lacks stock capability and does not continuously reconcile quantities for each batch or mass production.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization. It also reports OEM capability for recognized brands, providing direct evidence of broad product adaptation and OEM service capability.

Client casesThe supplier states that it provides OEM services for recognized brands, and its products reportedly hold API6D certification. These statements indicate experience serving brand customers, but no named customers, project references, order examples, or independently verifiable case details are provided.