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Leading API 6D Valve Manufacturer in China

Certified to API Q1, API 6D, and ISO standards. Global supply, fast delivery, and competitive pricing for industrial valve solutions.

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About RockySea Petro

RockySea Petro is a professional supplier and manufacturer of API 6D valves, specializing in high-performance industrial valve solutions for the oil, gas, and petrochemical sectors. With years of experience and a commitment to excellence, we deliver reliable, durable, and compliant valve systems trusted by clients worldwide.

We are proud to hold certifications in API Q1, API 6D, and ISO standards, ensuring every product meets rigorous international quality and safety requirements. Our manufacturing processes are optimized for precision, efficiency, and consistency.

API 6D Certified
ISO Compliant
Global Supply
24-Hour Quotation
API 6D Valve Manufacturing Facility

Our API 6D Valve Products

High-quality, certified industrial valves for oil, gas, and pipeline applications.

API 6D Ball Valve

API 6D Ball Valve

Tightly seals with a 90° turn. Ideal for switching and shutting off in pipelines.

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API 6D Gate Valve

API 6D Gate Valve

Raises a gate to control flow. Minimal obstruction when fully open.

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API 6D Plug Valve

API 6D Plug Valve

Rotary valve with plunger closure. 90° rotation for port connection.

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API 6D Butterfly Valve

API 6D Butterfly Valve

Disc rotates around shaft. Simple structure for low-pressure control.

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API 6D Check Valve

API 6D Check Valve

Prevents backflow automatically. Essential for unidirectional pipelines.

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Industrial Valve Assembly

Custom Valve Solutions

Tailored designs for specific pipeline and industrial needs.

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High-Pressure Gate Valve

High-Pressure Gate Valve

Engineered for extreme pressure environments in oil fields.

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Stainless Steel Ball Valve

Stainless Steel Ball Valve

Corrosion-resistant design for harsh chemical and marine use.

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Why Choose RockySea Petro?

Your trusted partner for industrial valve solutions.

API & ISO Certified

Compliant with API Q1, API 6D, and ISO standards for quality assurance.

Fast Delivery

Immediate shipment available. Global logistics network ensures timely delivery.

Competitive Pricing

Direct factory pricing with no middlemen. High value without compromising quality.

One-Stop Solution

From design to delivery, we handle every step of your valve supply chain.

15+
Years Experience
50+
Countries Served
10K+
Valves Delivered
24h
Quotation Response

Frequently Asked Questions

What is API 6D?

API 6D is the standard specification for pipeline valves used in the petroleum and natural gas industries. It covers design, manufacturing, testing, and documentation requirements.

Are your valves certified?

Yes, all our valves are manufactured in compliance with API Q1, API 6D, and ISO standards to ensure quality and safety.

How fast can you deliver?

We offer immediate shipment for in-stock items. Custom orders are processed quickly with global logistics support.

Can I get a custom valve design?

Yes, we provide tailored valve solutions based on your technical specifications and application needs.

Get in Touch

Need a quote or have technical questions? Contact us today.

Email: sales@rspetro.com

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