Do you offer customization services?

Yes, we support custom materials, sizes, pressure ratings, and special anti-H2S treatments for unique well conditions.

What certifications do your products have?

Our products are produced strictly per API Spec 7K and ISO9001 with full inspection records and test reports.

What is the minimum order quantity?

The minimum order quantity is 1 piece.

API Q1 F & G Type Drill Pipe Float Valve Plunger & Flapper Float Valve

Name: API Q1 F & G Type Drill Pipe Float Valve Plunger & Flapper Float Valve
Brand: Qingdao Hna Oilfield Equipment Manufacturing Co., Ltd.
SKU: 2170593842

Shandong, ChinaQingdao Hna Oilfield Equipment Manufacturing Co., Ltd.

US$50.00-100.00

1 Piece

Product profile

Customization

Available

After-sales Service

Yes

Warranty

1 Year

Certification

API 7K, ISO 9001:2015

Power Source

Mechanical

Operation Pressure

10000~15000 Psi (70~105 MPa)

Applicable Medium

Mud, Drilling Fluid, Completion Fluid

Structure

Vertical

Material

Alloy Steel, 17-4pH, Super 13cr (Customizable)

Standard

API Spec 7K, API Q1

Working Pressure

10000psi ~ 15000psi (70MPa ~ 105MPa)

Working Temperature

-20℃ ~ 180℃, High Temperature Customized Available

Full Sizes

1r, 1f-2r, 2f-3r, 3r, 3f, 4r, 4f, 5r, 5f, 6r, 6f

Application Field

Land Drilling, Offshore Drilling, Workover

Transport Package

by Sea

Specification

Customized

Trademark

HNA

Origin

China

Production Capacity

100

Key features

API 7K & ISO 9001 Certified: Complies with API Spec 7K and ISO9001 standards for well control safety.

High Pressure Resistance: Rated working pressure up to 15000 PSI (105 MPa) for deep drilling.

Customizable Materials: Optional 17-4PH or Super 13Cr alloys for sour and high-temperature wells.

Dual Functional Types: F plunger for rapid sealing; G flapper for low flow resistance.

Wide Size Range: Available in sizes from 1R to 6F matching API drill pipe standards.

One-Year Warranty: Comprehensive 1-year warranty coverage for mechanical defects.

Complete Repair Kits: Includes pullers, adapter subs, and replacement sealing components.

Corrosion Resistant Design: Sandblasted and coated surfaces for harsh onshore and offshore environments.

Company profile

Years of Export ExperienceFast DeliveryQuality AssuranceManagement Certification

Qingdao Hna Oilfield Equipment Manufacturing Co., Ltd.

Shandong, 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: 23 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤1.66h

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier with broad customization, ODM, and OEM capabilities. It holds ISO9001:2015, ISO45001:2018, and ISO14001 certifications, and reports documented quality, corrective-action, and complaint-handling procedures. Its export share is stated at 71%–90%, with 23 years of export experience, inventory capability, and participation in the Offshore Technology Conference. However, it does not provide 3D software design services, has no available SDK, no overseas warehouse, showroom, agent, or branch, and no valid manufacturing-capacity contract with affiliated subcontractors. No new products were launched in the past year, and only two R&D engineers are reported. Financial records are identified for 2021–2023, but the provided information does not contain sufficient financial performance detail to assess credibility. Customer evidence includes OEM service for well-known brands and repeat-buyer preference of 50%–80%, but no Fortune 500 cooperation.

Supplier typeThe supplier explicitly describes itself as a professional technical supplier and emphasizes learning, innovation, superior products, and technical support. This supports classification as a professional technical supplier rather than a purely trading-oriented entity.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 certifications in both its sustainability and management-system information. These stated certifications provide explicit evidence of formal quality, occupational health and safety, and environmental management systems.

After-Sales capabilityThe supplier states that it provides pre-sales and after-sales technical support, while documented procedures and records exist for corrective and preventive actions and customer complaints. These statements support an established after-sales and issue-resolution process.

R&D capabilityThe supplier has two R&D engineers and offers ODM services, but it does not provide an SDK, did not launch new products in the past year, and does not offer 3D software design services. The evidence shows some development capability but also explicit limitations in recent innovation output and technical-service scope.

Production capacityThe supplier reports in-stock service capability, 23 years of export activity, an export share of 71%–90%, and proximity to Qingdao Port. However, it has no valid manufacturing-capacity contract with affiliated subcontractors and lacks overseas warehouses, branches, and agents, so production and international fulfillment capability cannot be rated as clearly strong overall.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, flexible customization, and ODM services. This is direct evidence of broad customization capability, although 3D software design services are not provided.

Client casesThe supplier reports participation in the Offshore Technology Conference, OEM service for well-known brands, and repeat-buyer preference of 50%–80%. However, it reports no cooperation with Fortune 500 companies and provides no specific customer names or case details, so the evidence is positive but limited.