BALL VALVE, BUTTERFLY VALVE, GATE VALVE - UNIQUE PIPELINE CO., LTD

About Unique Pipeline Co., Ltd

Trusted Valve Manufacturer Since 2008

CHINA UNIQUE GROUP LIMITED, founded in 2008 and located in Wenzhou, covers an area of 35,000㎡ with two subsidiary factories, over 120 staff, and more than 150 sets of advanced manufacturing facilities.

We specialize in designing and manufacturing high-performance valves for critical services such as Oil & Gas, Petrochemicals, Power Plants, and Offshore platforms. Our product range includes Gate Valves, Globe Valves, Check Valves, Ball Valves, Butterfly Valves, Low-Temperature Valves, Forging Steel Valves, and Strainers.

Our valves meet international standards including ASME, ANSI, DIN, JIS, Gost, and GB, and are widely used in gas, petroleum, oil refining, chemical industries, shipbuilding, and power transmission pipeline systems.

2008

Founded

35,000m²

Facility Area

120+

Employees

Our Commitment

UNIQUE VALVE = Quality Assurance + Quick Delivery + Reasonable Price + Satisfied Service

Quality Assurance

Rigorous testing and adherence to international standards ensure reliability in critical applications.

Quick Delivery

Efficient production and logistics enable fast turnaround times without compromising quality.

Reasonable Price

Competitive pricing through optimized manufacturing and direct factory supply.

Satisfied Service

Dedicated support team available to assist with technical queries and order fulfillment.

Our Valve Products

We manufacture a comprehensive range of industrial valves designed for durability, precision, and performance in demanding environments.

Ball Valve

High-performance ball valves for on/off control in oil, gas, and chemical applications. Available in floating and trunnion-mounted designs.

ASME, ANSI, DIN, JIS standards
Sizes: 1/2" to 48"
Materials: Carbon Steel, Stainless Steel, Alloy

Butterfly Valve

Compact and lightweight butterfly valves ideal for large diameter pipelines in water, gas, and HVAC systems.

Triple offset, double offset, and resilient seat types
Pressure ratings up to 600#
Wafer, lug, and flanged connections

Gate Valve

Rising stem and non-rising stem gate valves for full flow isolation in pipelines. Ideal for high-pressure applications.

Wedge and parallel slide designs
Class 150 to 2500
API 600, BS 1414 compliant

Check Valve

Prevents backflow in piping systems. Available in swing, lift, and dual plate designs for various flow conditions.

Horizontal and vertical installation
Low pressure drop design
Suitable for liquid and gas media

Globe Valve

Precise throttling and flow regulation in process systems. Ideal for frequent operation and tight shutoff.

Outside screw & yoke design
Guided disc for stability
Class 150 to 600

Strainer

Y-type and basket strainers to protect pumps, valves, and other equipment from debris in pipelines.

Replaceable mesh screens
Easy maintenance and cleaning
ASME B16.34 compliant

Forging Steel Valve

High-integrity forged steel valves for critical high-pressure and high-temperature applications.

ASTM A105, A182 materials
Socket weld and threaded ends
Ideal for instrumentation and small bore lines

Low-Temperature Valve

Cryogenic valves designed for LNG, ethylene, and other sub-zero applications with extended bonnets.

Tested to -196°C (LN2)
Extended stem design
API 607, API 6FA fire-safe options

Plug Valve

Durable plug valves for on/off and throttling service in oil, gas, and chemical processing.

Lubricated and non-lubricated types
90° quarter-turn operation
Tight shutoff with minimal maintenance

DIN Valve

Valves manufactured to DIN standards for European and international markets.

DIN 3352, DIN 3353, DIN 3202
Flanged and threaded connections
PN10 to PN40 pressure ratings

View Full Product Catalog

Why Choose Unique Pipeline?

Advanced Manufacturing

Over 150 sets of modern equipment ensure precision and consistency in every valve produced.

International Standards

Compliant with ASME, ANSI, DIN, JIS, Gost, and GB standards for global market acceptance.

Global Reach

Products marketed worldwide with proven performance across diverse industrial applications.

Expert Team

120+ skilled professionals dedicated to quality, innovation, and customer satisfaction.

Frequently Asked Questions

What industries do your valves serve?

Our valves are used in Oil & Gas, Petrochemicals, Power Plants, Offshore platforms, Chemical industries, Shipbuilding, and Power transmission pipeline systems.

What standards do you manufacture to?

We produce valves to ASME, ANSI, DIN, JIS, Gost, and GB standards, ensuring compatibility with international specifications.

Do you offer custom valve solutions?

Yes, we can customize valves based on specific requirements including materials, dimensions, pressure ratings, and end connections.

What is your typical delivery time?

Delivery times vary based on order size and complexity, but we prioritize quick turnaround while maintaining quality.

Are you a member of any industry associations?

Yes, we are a proud member of the China Valve Industrial Association, reflecting our commitment to industry excellence.

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