stainless steel valve
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APPLICATION FIELDS
APPLICATION FIELDS
Marine Ballast Water System
Marine Exhaust Desulfurization System
Marine Air Conditioning System
Marine Methanol Fuel Supply System
Marine LNG Dual Fuel Supply System
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CUSTOMER-ORIENTED
CUSTOMER-ORIENTED
—— UNIVALVE ——

Hot Selling Hydraulic Marine Valves And Accessories

Marine Duplex Stainless Steel Flange Butterfly Valve Hydraulic With Manual Operated SCR SYSTEM
Marine SCR Valve Hydraulic With Manual Operated Flange Butterfly Valve 2205 Body

Material Options
Body:Duplex SS 2205/2507/1.4469
Disc:    Duplex SS 2205/2507/1.4469
Seal:  VITON/PTFE/RPTFE
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Marine Stainless Steel Butterfly Check Valve Wafer Type 5K 10K & 16K /PN6 PN10 & PN16
Marine Stainless Steel Butterfly Check Valve Wafer Type 5K 10K & 16K /PN6 PN10 & PN16
Flanges as per JIS B2220 - 5K 10K & 16K /PN6 PN10 & PN16
 
Bodu:Stainless Steel 304/316/316L/321/2205/2507/1.4529
Disc:304/316/316L/321/2205/2507/1.4529
Stem:304/316/316L/321/2205/2507/1.4529
Seat:Viton/NBR/EPDM/PTFE
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Marine Cryogenic Butterfly Valve With View Port Buttwelded Type LNG SYSTEM
Marine Cryogenic Butterfly Valve With View Port Buttwelded Type LNG SYSTEM
Flanges as per JIS B2220 - 5K 10K & 16K /DIN PN6 PN10 PN16 PN25 & PN40 /ANSI 150LB 300LB 600LB
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Marine Cryogenic Flow Control Valve Flange Type LNG SYSTEM
Marine Cryogenic Flow control valve Flange Type LNG SYSTEM
 
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Marine Cryogenic Pneumatic 2-way Valve Flange Type LNG SYSTEM
Marine Cryogenic Pneumatic 2-way Valve Flange Type LNG SYSTEM
 
Pneumatic 2-way Valve FC + Actuator + Limit switch+signal output
 
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Marine Stainless Steel Flanged Stop Valve CB/T3942-02 A/AS Straight Type
Suitable:
Design, manufacturing, and acceptance of shut-off valves for pipeline systems of liquefied gas carriers, bulk chemical carriers, and ships with a nominal pressure of no more than 6,4MPa and a design temperature of no less than -165C. Pipeline systems for corrosive media in other ships.
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Marine Stainless Steel Double Eccentric LUG Butterfly Valve
Marine Stainless Steel Double Eccentric LUG Butterfly Valve
Flanges as per JIS B2220 - 5K 10K & 16K /DIN PN6 PN10 PN16 PN25 & PN40 /ANSI 150LB 300LB 600LB
 
Bodu:Duplex Stainless Steel  2205/2507/1.4529
Disc:2205/2507/1.4529
Stem:2205/2507/1.4529
Seal:PTFE/RPTFE
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Marine Stainless Steel Vacuum Breaker Valve JIS/ISO/ANSI Flange
Marine Stainless Steel Vacuum Breaker Valve JIS/ISO/ANSI Flange
The VACUUM BREAKER VALVE is mounted on top of a section of containers or pipes,functioning to break the special vacuum inside.
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—— UNIVALVE ——

Professional Manufacturer For Electric Marine Valves

Shanghai Univalve Marine Equipment Co., Ltd. (UNIVALVE) is a professional manufacturer that develops and produces industrial valves and marine valves. It is a qualified supplier for China Shipbuilding Industry, CSSC Power, CSSC 711 Research Institute and major offshore platforms. UNIVALVE has four major production bases, located in Shanghai, Wenzhou, Tianjin and Taizhou. The Shanghai production base mainly produces high-pressure valves and exports oil valves to the Middle East, Central Europe and other foreign trade businesses. The Taizhou production base mainly produces marine valves and marine accessories. 
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Diverse Designs & Techniques To Meet Your Custom Needs

We can accept customized non-standard valves with pictures and samples, including cast iron, cast steel, stainless steel, bronze, aluminum alloy, titanium alloy, Monel, and super duplex stainless steel.
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Certificate Obtained​​​​​​​
Under the guidance of the quality policy of "keep improving and pursuing perfection", the company's products are sold at home and abroad. And we can also provide LR (UK), ABS (USA), BV (France), DNV/GL (Norway), NK (Japan), KR (South Korea), CCS (China), RINA (Italy), Product certificates from domestic and foreign classification societies such as RS (Russia).​​​​​​​
—— UNIVALVE ——
Get the Latest Marine Valve News
What are the 4 types of ball valves.png

Ball valves​ are a crucial type of marine valve used in many piping systems on ships and offshore structures. They are designed to control the flow of liquids and gases by using a rotating ball with a central bore. When aligned with the flow, the ball allows full passage; when rotated, it shuts off flow completely. Thanks to their simplicity and reliability, marine ball valves are widely used in the marine industry, where space constraints and safety standards are critical.

14 May 2025
Marine Center-Pivoted Handle Manual Butterfly Valve.png

A marine valve​ is a crucial component used aboard vessels for controlling the flow of liquids and gases through the ship’s piping systems. From engine cooling systems to fuel management, marine valves help regulate pressure, direction, and flow rates. These valves ensure safety, efficiency, and performance in various maritime applications. Whether on a cargo ship, LNG carrier, or oil tanker, marine valves are essential to a ship's infrastructure.

14 May 2025
Marine Cryogenic Ball Valve Flange Type LNG SYSTEM.png

Cryogenic testing is essential in ensuring that valves perform reliably under extreme low-temperature conditions. This process validates the functionality of cryogenic flow control valves​ and ensures they can handle the unique demands of industries such as LNG, methanol, and marine applications. In this article, we will explore the standards for cryogenic valve testing, the importance of cryogenic valves, and the industries that rely on them.

13 May 2025
 Univalve Marine
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Address:No. 320 Jiahao Road, Jiading District, Shanghai
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