What are the payment terms and minimum order quantity?

The minimum order quantity is 1. Payment terms include LC, T/T, D/P, PayPal, Western Union, and Small-amount payment.

What is the function of this non-slam check valve?

It features an oil cylinder self-sealing single-disc nozzle type design, functioning as a DDCV, NRVr Silence, SFCV Rubber Lobe, NRVz Silence, or NRVG Silence valve to prevent slamming.

Oil Cylinder Self-Sealing Single-Disc Nozzle Type Non Slam Check Valve

Name: Oil Cylinder Self-Sealing Single-Disc Nozzle Type Non Slam Check Valve
Brand: Zhejiang Naibang Valve Co., Ltd.
SKU: 2202781505

Zhejiang, ChinaZhejiang Naibang Valve Co., Ltd.

US$150.00

5-99 Pieces

US$5.00

100+ Pieces

Product profile

Customization

Available

Material

Stainless Steel

Connection Form

Wafer

Structure

Swing

Pressure

Ordinary Pressure

Function

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

Sealing Form

Gland Packings Globe Valve

Flow Direction

Unidirection

Standard

ANSI

Application

Industrial Usage, Water Industrial Usage

Size

2" to 48 "

Class

150lb to 2500lb

Certificates

API 6D, CE, ISO9001

Application Fields

Metallurgy,Light Industrial,Electric Power,Petroch

Delivery Detail

20~45 Days According to The Specific Quantities

Transport Package

Standard Export Wooden Case

Specification

API598, API6d, ANSI, Bs, DIN, JIS

Trademark

NAIBANG

Origin

China

HS Code

8481300000

Production Capacity

5000PCS/Year

Key features

Self-Sealing Design: Oil cylinder self-sealing single-disc nozzle type prevents slamming and ensures reliable sealing.

Wide Material Range: Available in WCB, LCB, CF8, CF8M, stainless steel, duplex, and exotic materials for various conditions.

Corrosion Protection: Inside and outside epoxy coating provides robust corrosion protection for long-term durability.

Strict Compliance: Meets API 594, API 6D, API 607, API 608, ASME B16.34, and ANSI B16.10 standards.

Customizable Options: Custom size (2-48 inches), class (150-2500lb), and certificates (API 6D, CE, ISO9001) available.

100% Inspection: Finished products undergo 100% visual and functional inspection to ensure quality and safety.

Versatile Application: Suitable for water, oil, gas, and caustic media in metallurgy, power, and petrochemical industries.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceIn-stock Capacity

Zhejiang Naibang 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 CertifiedExport Year: 24 Years CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤7.93h

AI-Powered supplier vetting

SummaryThe supplier demonstrates OEM and ODM capability, customization from samples and designs, five production lines, stated valve production capacity, in-stock service, and documented quality-control and complaint-handling procedures. It reports ISO9001:2015 certification and exports to Southeast Asia, the Middle East, and other countries or regions. However, it lacks a valid manufacturing-capacity contract with its associated subcontractor, overseas warehouses, overseas agents or branches, an overseas showroom, offline trade-show participation, and an available SDK. R&D evidence is mixed: design customization and ODM are available, but no new products were reported in the past year. Financial evidence is limited to year labels rather than assessable financial results, so credibility cannot be determined from the provided data.

Supplier typeThe supplier is presented as a manufacturing-oriented valve supplier with OEM service for well-known brands, in-stock capability, five production lines, and products used in power, water processing, construction, petrochemical, metallurgy, paper, and pharmaceutical applications. It also exports to Southeast Asia, the Middle East, and other countries or regions, but has no overseas agents or branches.

CertificationsThe supplier reports quality assurance in its quality-control processes and holds an ISO9001:2015 certificate along with unspecified additional certifications. The available evidence supports certification holding, although the additional certifications are not identified.

After-Sales capabilityThe supplier has a documented and followed customer-complaint procedure, written supplier-assessment procedures with records, and service proximity to Shanghai and Ningbo ports. However, it has no overseas warehouse, overseas showroom, overseas agents or branches, or stated overseas service coverage, limiting direct international service infrastructure.

Production capacityThe supplier reports five production lines, valve production quantities, in-stock capacity, a one-month peak-season fulfillment time, and a broad equipment base including CNC, lathes, grinding, drilling, cutting, painting, and sand-blasting equipment. However, it lacks a valid contract covering manufacturing capacity with its associated subcontractor, which is a documented operational deficiency.

Customization capabilityThe supplier explicitly offers customization from samples and from designs, and also provides ODM services. These statements directly support both sample-based and design-based customization capability.

Client casesThe supplier states that it provides OEM services for well-known brands and that its products have been used in domestic power stations, wastewater processing, urban construction, petrochemical, oil extraction, metallurgy, fertilizer, paper, and pharmaceutical applications. It also reports exports to many countries and regions, providing concrete application and market references, although no customer names are supplied.

Product Q&A

Q:What materials are available for this check valve?

Materials include WCB, LCB, CF8, CF8M, CF3, CF3M, WC6, WC9, C5, C12, low temperature steels, low alloy steels, stainless steels, duplex stainless steels, and other exotic materials.

Q:What standards does this valve comply with?

It complies with ASME B16.34, API6D, API 607 (Fire safe), API 608 (Anti static), ASME B16.10 (Face to face), ASME B16.25 (Welding ends), and inspection tests per API 598.

Q:Is customization available for size and pressure class?

Yes, customization is available for size (2 to 48 inches) and class (150lb to 2500lb), along with certificates like API 6D, CE, and ISO9001.

Q:What is the lead time for delivery?

Delivery detail is 20-45 days according to specific quantities. Peak season lead time is one month to 1-3 months, while off-season is within 15 workdays to one month.

Q:What quality inspection is performed on finished products?

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