FM/UL Fire System Used Fire Fighting Concentric Grooved Reducer

• Customization: Available
• Type: Concentric
• Material: Iron
• Model NO.: WAN154
• Technics: Casting
• Standards: ASTM-A536
• Customized: Non-Customized
• Packaging Detail: Product Packaged in Cartons on Wood Pallet or Case
• Delivery Detail: Within 30 Days After Confirming The Order
• Size: 1"-12"
• Working Pressure: 300psi, 2.07MPa
• Payment: Tt/LC .
• Name: Grooved Pipeing Fittings - Flange and Adpator
• Connection: Female
• Keyword: Grooved Concentric Reducer
• Transport Package: Export Standard Sea-Worthy Packing
• Specification: 1"-12
• Trademark: Kingmertal
• Origin: China (Mainland)
• HS Code: 73071100
• Production Capacity: 500 Ton/Tons / Month

Product Description

FM UL approved  (Grooved fittng Reducer Coupling) ,fire fighting pipe fitting reducer 
1.FM UL approved of all grooved coupling
2.Size:1-12" 
3.Material:ductile iron ASTM-A536 Grade 65-45-12
4.Surface :painting,epoxy,hot dip galvanzed grooved coupling
5.Gasket : EDPM , tempersture Range :     (-34----+110ºC)
                  SILICON , tempersture Range : (-40----+177ºC)
                  NITRILE, tempersture Range :   (-29----+82ºC)

6.Thread :BSPT or NPT
7.Painting /Epoxy RAL 3000
8.Bolts and Nuts: ISO 898-1class 8.8

Introduction to Ductile Iron Grooved Fittings

Ductile Iron Grooved Fittings are pipe connectors made of ductile iron, designed for quick installation using grooves and couplings. They are widely used in fire protection, water supply/drainage, HVAC, and industrial piping systems.

 

Key Features

1. High Strength & Corrosion Resistance

   • Ductile iron offers higher tensile strength and better corrosion resistance compared to standard cast iron (typically coated with zinc or epoxy).

2. Quick Installation

   • Uses grooved mechanical joints-no welding or threading required, saving time and labor costs.

3. Seismic & Movement Tolerance

   • Flexible connections absorb vibrations and minor displacements, making them ideal for earthquake-prone areas.

4. Excellent Sealing

   • Rubber gaskets (EPDM/NBR) ensure leak-proof performance, even under high pressure.

5. Easy Maintenance & Disassembly

   • No pipe cutting needed, simplifying system modifications or repairs.
      

     Common Standards

   • International Standards:

     • ASTM A536 (Ductile Iron Material)

     • AWWA C606 (Grooved Joints)

     • UL/FM (Fire Safety Certifications)

   • Chinese Standards:

     • GB/T 13295 (Ductile Iron Pipes for Water/Gas)

     • CJ/T 156 (Grooved Pipe Couplings)

   • Ductile Iron Grooved Fittings are widely adopted in fire protection, plumbing, HVAC, and industrial systems due to their high strength, rapid installation, and vibration resistance. They are particularly suited for projects requiring efficiency, reliability, and long-term durability.

      

     Advantages vs. Traditional Methods

     Feature	Grooved	Welded	Threaded
     Installation	Fast (no heat)	Slow (welder)	Moderate (threading)
     Seismic Performance	Excellent (flexible)	Poor (rigid)	Fair (prone to loosening)
     Maintenance	Easy disassembly	Permanent	Removable but wears out
     Pipe Compatibility	Steel, stainless steel	Metal pipes only	Small-diameter metal pipes

   • Ductile Iron Grooved Fittings are widely adopted in fire protection, plumbing, HVAC, and industrial systems due to their high strength, rapid installation, and vibration resistance. They are particularly suited for projects requiring efficiency, reliability, and long-term durability.

PACKING

GUANGZHOU KINGMETAL STEEL INDUSTRY CO., LTD. is an Industry Group Company. It is a professional company in designing, producing
and selling steel pipe, pipe fittings, flanges, valves . We have our own big factories with modern machine line to make high quality products,
which is mainly to be exported to oversea markets..

We have advanced technology of management; we win the trust because of our good quality.We have clannish conscientious and passionate salesman, we gladden and steady the customers with our best service.

We are pure-hearted and awaiting for your kind attention to our company.