ABOUT US
Strictly regulated Efficient Pursuit of excellence Committed to win-win
Marine piping 
Marine shafting 
Marine steering
Marine piping
Dongtai Oceangoing Marine Fittings Co., Ltd. is a professional marine product supporting manufacturer specializing in the research, development, and production of marine shafting, rudder system, and piping system (including various valves, joints, and accessories). The company is a national high-tech enterprise with independent intellectual property rights and a provincial-level metrology assurance confirmation unit, leading the technological level in the industry.
- Butterfly valve
- Ball valve
- Stop valve
- Stopback valve
- Check valve
- Gate valve
- Wave tube valve
- Tonghai Valve
- Threaded valve
- Fire valve
- Discharge valve
- Depth measuring valve
- Wave prevention valve
- Titanium alloy quick-opening side valve
- Safety valve
- Pressure reducing valve
- Siphon valve
- Blind plate valve
- Piping valve
- Valve group
- Pressure gauge valve
- Deck valve
- Instrument valve
- Plunger valve
- Float valve
- Throttle valve
- Pressure regulating valve
- Stop valve
- Water filter
- Oil filter
- Y-shaped filter
- Air pipe head
- Pressure-resistant injection head
- Small shaft transmission device
- Fluid flow observer
- Deck leak opening
- Inhalation filter
- International shore connection fitting
- Threaded connection
- Socket-type pipe joint
- Welded pipe joint
- Weld-free joint
- Quick couplings for hoses
- Fire hydrant
- Copper rod welding joint
- Pipe fittings
- France
PARAMETER
- Functional Parameters
- Product Features
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Nominal diameter: DN40 - DN1200
Nominal pressure: 0.6MPa - 2.5MPa
Structural forms: Center type, Double eccentric type, Triple eccentric type (metal seal)
Installation forms: Flange type, Socket type, Ear type
Body material: Copper alloy, Cast steel, Stainless steel, Cast iron
Sealing materials: Nitrile rubber, Fluororubber, EPDM, Polytetrafluoroethylene
Drive forms: Handle, Worm gear manual, Screw, Electric, Electro-hydraulic, Pneumatic, Hydraulic
Flange standards: National standard, Ship standard, German standard, Japanese standard, American standard
Operating medium: Fresh water, Seawater, Fuel oil, Lubricating oil - Product Features
- The butterfly valve can be clamped by the flange on the pipeline or connected with its own flange to the pipeline flange. It can be controlled manually or electrically by a handle or handwheel, or electronically by an electric actuator, hydraulically or pneumatically by a hydraulic or pneumatic actuator. It can perform on-site and remote control, have opening and closing indication or signal feedback functions. Different materials can be selected according to different media such as water, oil, gas, corrosive substances, and high temperatures. The butterfly valve has the characteristics of compact structure, convenient and flexible operation, and complete functions.
COPYRIGHT DONGTAI OCEANGOING MARINE FITTINGS CO.,LTD ICP：苏ICP备2025202369号-1
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15061681069
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