Grooved Threaded Pipe Reducer

Size: 2”X 8”(DN50-DN200)
Material: Ductile iron ASTM A536, 65-45-12
Dimension: ISO6182、AWWA C606、GB 5135.11
Connection:ASME B36.10、ASTM A53-A53M、ISO 4200
Thread: If have ISO 7-1,BS 21,BSPT, NPT,ASME B1.20.1
Pressure Rating: 175PSI-500PSI
Surface Treatment: Red Painting,Epoxy Coating ,Hot-Dip Galvanized,Electroplated
Bolt & nut: ASTM A449/ CLASS 8.8/ ISO 898
Gasket: EPDM, Nitrile, Silicone rubber, etc.
Certificate: UL Listed / FM Approved
Application: Fire Protection,Waterworks,HVAC,Plumbing,GAS,Irrigation,or other piping systems

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Product Description

Products Details

A grooved and threaded reducer is a pipe fitting that combines a grooved and threaded connection. It is designed to join two pipes of different diameters, thereby reducing the size from one end to the other. Threaded connections involve the use of threads on pipes and fittings, while grooved connections typically include grooves, gaskets, and coupling systems on the pipe ends to create a sealed connection.

The following are general guidelines on how to use grooved and threaded reducers in piping systems:

Prepare the pipeline:

Make sure larger diameter pipes have threaded and grooved ends.
Smaller diameter pipes should also have threaded and grooved ends.
Thread sealant applications:

Apply thread sealant or tape to the threaded portion of the pipe to ensure the threaded connection is tight and leak-free.
Grooved connection:

Place a washer on the grooved end of each pipe.
Slide the coupling over the grooved end to secure the pipe in place.
Threaded connection:

Screw the larger diameter threaded end into the corresponding threaded opening of the grooved threaded pipe reducer.
Screw the smaller diameter threaded end into the other end of the reducer.
Protect the connection:

Use appropriate tools to tighten threaded connections securely.
Make sure the grooved connection is properly sealed with couplings and gaskets.
Follow manufacturer’s guidelines:

Always follow the manufacturer’s guidelines for the specific grooved pipe reducer being used.
Comply with any applicable industry standards and regulations.
As for contact standards, the threaded portion of the connection will follow standard pipe thread specifications. ANSI/ASME B1.20.1 is the universal standard for pipe threads in the United States, but standards may vary by region.

For grooved sections, various standards can be applied depending on the industry and application. ANSI/NFPA 53 and ISO 6182 are examples of standards covering grooved end fittings for fire service.

When installing grooved and threaded reducers in a piping system, be sure to consult the manufacturer’s documentation and follow relevant industry standards and local codes.

Grooved Threaded Pipe Reducer


Grooved Threaded Pipe Reducer

Nominal Size
Pipe O.D
L  mm
50X25/2X1 60.3X33.7 300/2.07 64 FM    UL
50X32/2X114 60.3X42.4 300/2.07 64 FMUL
50X40/2X12 60.3X48.3 300/2.07 64 FMUL
65X25/212X1 73.0X33.7 300/2.07 64 FMUL
65X32/212X1Y4 73.0X42.4 300/2.07 64 FM  UL
65X40/212X112 73.0X48.3 300/2.07 64 FMUL
65X50/212X2 73.0X60.3 300/2.07 64 FMUL
65X25/30DX1 76.1X33.7 300/2.07 64 FM  UL
65X32/30DX114 76.1X42.4 300/2.07 64 FM   UL
65X40/3ODX12 76.1X48.3 300/2.07 64 FMUL
65X50/3ODX2 76.1X60.3 300/2.07 64 FMUL
80X25/3X1 88.9X33.7 300/2.07 64 FMUL
80X32/3X114 88.9X42.4 300/2.07 64 FMUL
80X40/3X12 88.9X48.3 300/2.07 64 FMUL
80X50/3X2 88.9X60.3 300/2.07 64 FMUL
80X65/3X212 88.9X73.0 300/2.07 64 FM    UL
80X65/3X30D 88.9X76.1 300/2.07 64 FM  UL
100X25/4Y4ODX1 108.0X33.7 300/2.07 76 FMUL
100X32/414ODX114 108.0X42.4 300/2.07 76 FM  UL
100X40/414ODX12 108.0X48.3 300/2.07 76  FM  UL
100X50/414ODX2 108.0X60.3 300/2.07 76 FM  UL
100X65/414ODX3OD 108.0X76.1 300/2.07 76 FMUL
100X80/414ODX3 108.0X88.9 300/2.07 76 FM  UL
100X25/4X1 114.3X33.7 300/2.07 76 FMUL
100X32/4X114 114.3X42.4 300/2.07 76 FMUL
100X40/4X112 114.3X48.3 300/2.07 76 FM   UL
100X50/4X2 114.3X60.3 300/2.07 76 FMUL
100X65/4X2V 114.3X73.0 300/2.07 76 FMUL
100X65/4X3OD 114.3X76.1 300/2.07 76 FMUL
100X80/4X3 114.3X88.9 300/2.07 76 FMUL
125X25/5120DX1 139.7X33.7 300/2.07 89 FM  UL
125X32/512ODX114 139.7X42.4 300/2.07 89 FM  UL
125X40/512ODX1V2 139.7X48.3 300/2.07 89 FM    UL
125X50/5120DX2 139.7X60.3 300/2.07 89 FM  UL
125X65/512ODX3OD 139.7X76.1 300/2.07 89 FMUL
125X80/512ODX3 139.7X88.9 300/2.07 89 FM  UL
125X100/512ODX4 139.7X114.3 300/2.07 89
150X25/614ODX1 159.0X33.7 300/2.07 89 FMUL
150X32/614ODX114 159.0X42.4 300/2.07 89 FM  UL
150X40/614ODX112 159.0X48.3 300/2.07 89 FM  UL
150X50/614ODX2 159.0X60.3 300/2.07 89 FM  UL
150X65/614ODX3OD 159.0X76.1 300/2.07 89 FM  UL
150X80/6V4ODX3 159.0X88.9 300/2.07 89 FMUL
150X25/6V2ODX1 165.1X33.7 300/2.07 102 FMUL
150X32/6V2ODX114 165.1X42.4 300/2.07 102 FMUL
150X40/612ODX1V2 165.1X48.3 300/2.07 102 FM  UL
150X50/6V2ODX2 165.1X60.3 300/2.07 102 FM  UL
150X65/612ODX3OD 165.1X76.1 300/2.07 102 FM    UL
150X80/6V2ODX3 165.1X88.9 300/2.07 102 FM  UL
150X100/612ODX4 165.1X114.3 300/2.07 102
150X125/612ODX512OD 165.1X139.7 300/2.07 102
150X25/6X1 168.3X33.7 300/2.07 102 FM   UL
150X32/6X114 168.3X42.4 300/2.07 102 FM   UL
150X40/6X112 168.3X48.3 300/2.07 102 FM   UL
150X50/6X2 168.3X60.3 300/2.07 102 FM   UL
150X65/6X212 168.3X73.0 300/2.07 102 —                                                                        —
150X65/6X3OD 168.3X76.1 300/2.07 102 FM   UL
150X80/6X3 168.3X88.9 300/2.07 102 FM  UL
200X25/8X1 219.1X33.7 300/2.07 127 FM   UL
200X32/8X114 219.1X42.4 300/2.07 127 FM   UL
200X40/8X112 219.1X48.3 300/2.07 127 FM   UL
200X50/8X2 219.1X60.3 300/2.07 127 FM   UL
200X65/8X3OD 219.1X76.1 300/2.07 127 FM  UL
200X80/8X3 219.1X88.9 300/2.07 127 FM   UL
200X100/8X4 219.1X114.3 300/2.07 127 FM   UL

Quality Control:

Advanced equipment guarantee the production of high quality products.

Advantages of DISA moulding line:
1. High quality precise casting less scrap and lower finishing costs.
2.High Production Efficiency
(1). Fast production: 350 moulds per hour, pattern changing time cut down to 2-3 minutes
(2). higher profitability over a longer service life.
3. Safety and Environmental Friendly safe, easy and clean operation (CE and ISO 14001 compliant)

High-precision, hydraulicly driven mould transport,no shifting, distortion, ordisplacement of moulds.
The advantage of the sand supply system:The sand supply system is from the best class sand processing equipment manufacturers of China, with straight structure, easier maintenance, environmently friendly, high degree of automation, high safety factor, good parameters of sand stability.

Fluid Tech is honored as the National enterprise technical center and is capable and qualified to conduct full series of tests and inspections including chemical checking, etc. Inspection facilities include: spectrometer, carbon sulfur analyzer, metallurgical microscope, tensile strength testing equipment, pressure testing equipment, adhesive force testing equipment, CMM, hardness tester, etc.From incoming inspection to finished product, quality is checked and monitored in the whole process. Each step of the manufacturing process is carefully documented, regularly reviewed for revision control and updating standard. Quality procedures are constantly monitored and updated to assure that only the highestand most consistent quality products are supplied to our valued customers.

Grooved Threaded Pipe Reducer

Grooved Threaded Pipe Reducer

Application and Case

Products are used in fire protection system, water system, HVAC system, plumbing, gas system, irrigation system, etc.These products are used in many projects , such as China Taiwanese Building 101, Xiamen Building,Wuhan Expo Building and other famous landmark projects.

Grooved Threaded Pipe Reducer


1. What is the minimum quantity of the order?
Answer: The purchase volume of mixed products is 4 tons

2. How long is the delivery time of the order?
Answer: The delivery time for general orders is about 30 days. If the order is urgent and we have stock, around 7 days.

3. What payment methods do you accept?
Answer: We accept payment terms such as TT, L/C, DP, Western Union, Paypal, etc.

4. Where is your departure port of shipment? Is it possible to deliver to the designated warehouse?
Answer: The port of departure of our goods is generally Tianjin Port or Qingdao Port. We can transport the goods to designated warehouses, such as Yiwu, Guangzhou, etc.

5. What certificates do your products have?
Answer: Our products have FM/UL certificates, and we cooperate with third-party quality inspection certification before the factory, such as SGS,TUV

6.What are the series of your products?
Answer: Our products are divided into heavy series, medium series and light series according to different markets and standards. In order to buy more competitive products for you, please communicate your purchasing needs with the salesperson.

7. Do product packaging cartons and labels support customization?
Answer: Packaging cartons and labels can be customized according to customer requirements.

8.Does the purchased product support customization?
Answer: The product supports customization, but there are purchase quantity requirements and mold costs. For details, please consult the salesperson.

9.What are the packaging methods of the product?
Answer: The packaging of the product includes carton packaging, pallet packaging, wooden box packaging, and woven bag packaging.

Grooved Threaded Pipe Reducer