IMPA 734601–734605 | Steel Slip-On Flat Face Flanges for Shipbuilding, Marine Piping & Offshore Projects
Suhaan Ship Supply – Marine Steel Flange Supplier for Shipyards, Ports & Offshore EPC Projects
Suhaan Ship Supply is a leading ship and marine supplier in Mumbai, JNPT (Nhava Sheva), and across all major Indian ports, shipyards, dry docks, and offshore locations, supplying IMPA & ISSA standard marine flanges, valves, pipe fittings, and technical spares for commercial vessels, offshore rigs, and shipbuilding projects.
We specialize in JIS B2220 steel welding slip-on flat face flanges (5K pressure class) designed for:
✔ Marine piping systems
✔ Shipbuilding & dry dock fabrication
✔ Offshore EPC and utility pipelines
✔ Engine room and ballast systems
 
Looking for a JIS B2220 steel slip-on flange supplier near Mumbai port for urgent ship supply or shipyard requirement?
⚓ Suhaan Ship Supply – Your trusted marine flange & piping supplier across India
👉 Fast delivery at Mumbai, JNPT, Mundra, Kandla, Chennai, Vizag & all ports
👉 Immediate RFQ response | Competitive pricing | Certified marine products
 
IMPA JIS B2220 Steel Slip-On Flat Face Flanges (5K)
🛠️ Product Range (Small Sizes)
IMPA 734601 – 10 mm
IMPA 734602 – 15 mm
IMPA 734603 – 20 mm
IMPA 734604 – 25 mm
IMPA 734605 – 32 mm
✔ Standard: JIS B2220 (5K Pressure Rating)
✔ Type: Slip-On Welding Flange (SOFF – Flat Face)
✔ Material: Carbon Steel / Marine Grade Steel
✔ Connection: Slip-On Welded Type
✔ Face Type: Flat Face (FF)
Key Features & Technical Advantages
✔ Easy Alignment & Installation – Slip-on design simplifies welding and fitting
✔ Flat Face Sealing Surface – Suitable for low-pressure marine piping systems
✔ Strong Welded Connection – Provides reliable pipeline stability onboard vessels
✔ JIS B2220 Compatibility – Widely used in Japanese and marine piping systems
✔ Cost-Effective Marine Solution – Ideal for utility, ballast, and service lines
 
Applications in Marine, Shipbuilding & Offshore
Ballast and bilge systems
Freshwater & seawater pipelines
Cooling water circulation systems
Engine room utility piping
Firefighting service lines
Shipyard fabrication projects
Offshore platforms and marine infrastructure systems
Compliance & Standards 
JIS B2220 flange standard
IMPA & ISSA marine catalog compliance
ISO-certified manufacturing quality
IMO marine engineering requirements
Class compatibility (ABS, DNV, LR, BV – as applicable)
DG Shipping India compliance & PSC readiness
✔ Ensures safe, inspection-ready, and globally accepted marine installations