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UNIVALVE – Precision Marine Valve Engineering

Leading manufacturer of high-performance marine valves for LNG, methanol, SCR, BWMS, and ballast systems. Engineered for durability, safety, and compliance with JIS, GB, DL, and HD standards.

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About UNIVALVE

Shanghai Univ Valve Co., Ltd. is a professional manufacturer focused on the research, development, production, and sales of modern marine valve solutions.

Why Choose UNIVALVE?

  • Advanced manufacturing technology and strict quality control
  • Compliant with international standards: JIS, GB, DL, HD, ANSI, DIN, ISO
  • Specialized in cryogenic, duplex stainless steel, and automated marine valves
  • Global distribution with strong presence in Asia, Europe, and the Middle East
UNIVALVE Manufacturing Facility

Application Fields

Our valves are engineered for critical marine systems requiring reliability and corrosion resistance.

Marine Ballast Water System

Reliable valves for BWMS compliance and efficient ballast control.

Exhaust Desulfurization

High-corrosion resistance valves for scrubber systems.

LNG Dual Fuel Supply

Cryogenic valves designed for -165°C LNG applications.

Methanol Fuel Systems

Specialized valves for alternative fuel marine propulsion.

Our Marine Valve Products

High-quality, certified marine valves for every system on board.

Hydraulic Marine Butterfly Valve

Hydraulic Marine Butterfly Valve

Duplex SS 2205/2507 with manual & hydraulic operation for SCR systems.

  • Body: Duplex SS 2205/2507/1.4469
  • Seal: VITON/PTFE/RPTFE
  • Standard: JIS, ANSI, DIN
Stainless Steel Butterfly Check Valve

Stainless Steel Butterfly Check Valve

Wafer type, PN6-PN16, ideal for seawater and corrosive media.

  • Body: SS304/316L/2205/2507
  • Seat: Viton/NBR/EPDM/PTFE
  • Pressure: 5K, 10K, 16K (JIS)
Cryogenic Butterfly Valve

Cryogenic Butterfly Valve

Buttwelded type with view port for LNG systems.

  • Temp: Down to -165°C
  • Standards: JIS, ANSI, DIN
  • Seal: PTFE, RPTFE
Cryogenic Flow Control Valve

Cryogenic Flow Control Valve

Flange type for precise LNG flow regulation.

  • Body: Stainless Steel / Duplex
  • Operation: Manual / Pneumatic
  • Design: Extended bonnet
Pneumatic 2-Way Valve

Pneumatic 2-Way Cryogenic Valve

With actuator, limit switch, and signal output.

  • Actuator: Pneumatic double-acting
  • Signal: 4-20mA feedback
  • Standard: ISO 5211 mounting
Stainless Steel Stop Valve

Stainless Steel Stop Valve

CB/T3942-02 A/AS straight type for liquefied gas carriers.

  • Pressure: Up to 6.4 MPa
  • Temp: Down to -165°C
  • Material: SS316L, 2205, 2507
Double Eccentric LUG Butterfly Valve

Double Eccentric LUG Butterfly Valve

High-performance sealing with minimal friction.

  • Body: Duplex SS 2205/2507
  • Seal: PTFE/RPTFE
  • Flange: JIS, ANSI, DIN
Vacuum Breaker Valve

Vacuum Breaker Valve

JIS/ISO/ANSI flange for tank and pipe vacuum protection.

  • Function: Prevents vacuum collapse
  • Material: Stainless Steel 316
  • Mounting: Top of tank/pipeline

Certified Quality

Compliant with international standards and certified for marine applications.

Advanced Materials

Duplex 2205/2507, SS316L, and cryogenic-grade alloys for extreme environments.

Global Support

Dedicated technical service and fast delivery worldwide.

Get in Touch

For product inquiries, technical support, or partnership opportunities, visit our official website.

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