What payment methods do you accept?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

What is the quality control process?

We perform 100% visual inspection on all finished products with traceability of raw materials.

What is the function of this drop-in check valve?

It prevents return flow during kicks, allowing downward pumping to circulate the well and control drill pipe pressures.

High-Performance Drop-in Check Valve for Efficient Flow

Name: High-Performance Drop-in Check Valve for Efficient Flow
Brand: Mudanjiang Kaidi Petroleum Machinery Co., Ltd.
SKU: 2091958462

Heilongjiang, ChinaMudanjiang Kaidi Petroleum Machinery Co., Ltd.

US$288.00-1,299.00

1 Piece

Sample price:US$1000.00/piece.Request sample

Product profile

Customization

Available

Check Valve Assembly O.D.

34mm

Landing Sub O.D.

89mm

Model NO.

Drop-In Check Valve

Stop Ring I.D.

31mm

Working Pressure

35 (70)MPa

Transport Package

Wooden

Specification

89-229mm

Trademark

KAIDI

Origin

China

HS Code

8481300000

Production Capacity

50000pieces/Year

Key features

Prevents Upward Flow: Stops return flow during kicks to control drill pipe pressures and prevent blowouts.

Full-Bore Sub Design: Allows fluid to be pumped downward for well circulation while blocking upward flow.

Customization Available: Offers full and flexible customization based on customer drawings and specific requirements.

Special Material Processing: Expertise in nickel-based and titanium alloys for high strength and corrosion resistance.

100% Quality Inspection: All finished products undergo visual inspection with uniform instructions and traceability.

Fast Lead Time: Production completed within 15 workdays regardless of peak or off-peak seasons.

Multiple Payment Options: Accepts LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

OEM/ODM Services: Professional manufacturer offering both OEM and ODM services for oilfield tools.

Company profile

Importers and ExportersYears of Export ExperienceQuality AssuranceHigh Repeat Buyers Choice

Mudanjiang Kaidi Petroleum Machinery Co., Ltd.

Heilongjiang, 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: 10 years CertifiedNearest Port: DalianAverage Response Time: ≤1.35h

AI-Powered supplier vetting

SummaryKaidi Petroleum Machinery is a limited company with 21 employees, focused on API oilfield drilling tools and non-standard OEM products. It reports OEM service for well-known brands, modern CNC-based production equipment, two production lines, and export experience of 10 years. Its customization capabilities cover samples, designs, minor changes, full customization, and flexible customization. Quality controls include documented inspection instructions, quality assurance, traceable raw-material identification, complaint procedures, and corrective-action processes. However, it reports no supplier-management certification, no available SDK, only one R&D engineer, and no available R&D audit documentation. Financial credibility cannot be assessed because the provided financial fields contain years rather than financial results or monetary data.

Supplier typeThe supplier is identified as a limited company with 21 employees and no parent group affiliation. Its stated business is technology-based petroleum equipment, specifically API oilfield drilling tools and non-standard OEM products.

CertificationsNo supplier-management system certification is reported. This is a stated absence of certification evidence, although the supplier does report quality assurance, traceability, documented procedures, and maintained quality records.

After-Sales capabilityThe supplier has a clear customer-complaint procedure with records, and it maintains written procedures and records for service-capability assessment and corrective/preventive actions. These controls support after-sales handling, but no specific response-time or service coverage information is provided.

Production capacityProduction resources include CNC cutting and machining equipment, CNC and conventional lathes, laser marking, sandblasting, cranes, modern workshops, two production lines, and eight quality-control testing devices. The supplier also reports a lead time within 15 workdays during off-peak seasons, supporting an established production capability.

Customization capabilityThe supplier explicitly offers customization from samples and designs, minor and full customization, and flexible customization. It also reports strong customization for special-alloy processing and OEM services for well-known brands, providing direct evidence of broad customization capability.