Anti-corrosion grooved pipe fittings elbow reducing tee flexible coupling fitting

fire sprinkler steel pipe grooved fitting

Anti-corrosion grooved pipe fittings elbow reducing tee flexible coupling fitting

grooved fitting
FOB
500pieces
China
10Day
A grooved fitting is a type of piping connection used primarily in fire fighting system. It features a groove around the pipe's circumference, allowing for easy and secure joining with another pipe or fitting using a clamp. This design facilitates quick installation, disassembly, and maintenance while providing a leak-resistant seal, making it ideal for various applications.
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What Is Grooved Fitting? 

  
Grooved fittings are mechanical pipe joining systems commonly used in piping systems for various applications, including HVAC, fire protection, plumbing, and industrial processes. These fittings are designed with a groove around the circumference of the pipe, which allows for quick and easy connection without the need for welding, threading, or flanging.
The advantages of grooved fittings include ease of installation, flexibility in handling thermal expansion and contraction, and the ability to disassemble and reassemble the system easily for maintenance or modification. They are widely used in systems where a strong, reliable, and flexible connection is required. 
According to system classification, it can be used in fire water systems, air conditioning hot and cold water systems, water supply systems, petrochemical pipeline systems, thermal power generation and military pipeline systems, sewage treatment pipeline systems, etc. According to the classification of pipeline materials, it can be used to connect steel pipes, copper pipes, stainless steel pipes, plastic lined steel pipes, ductile iron pipes, thick walled plastic pipes, as well as hose and valve fittings with steel pipe joints and flange joints.
 

Grooved Fitting Description 

 
NameGrooved Fittings For Fire Fighting System
BrandYoufa Grooved pipe fittings manufacturers
Type: Elbow,Tee,Reducer,flange,crossGrooved Fittings
Material: GR.A GR.BTechnics:Casting
Connection:GroovedShape:Equal
Head Code:SquareColor:White / Red / Black /blue/Silver as per customers'quirement
Size:Customized SizeCertificate:ISO 9001 / CE / FM / UL
Surface treatment:Painted/Epoxy/Galvanized/Dacromet
Application:fire fighting / air-conditioning / water supply / sewage etc.
Standard:ANSI B36.10, JIS B2302,ASME/ANSI/BS1560/DIN2616/GB/T 5131.11-2006,GB/T348-88/GB/T3512/CECS 151-2003
 
 

Grooved Fitting Product Show 

 
 red painted grooved pipe fitting
 
 

Grooved Fitting Product Specifications

 
mechanical cross grooved fitting

MECHANICAL CROSS (GROOVED)

NORMAL SIZE (mm/in)OUTSIDE DIAMETER (mm)
100×50(4×2)114.3×60.3
100×65(4×2-1/2)114.3×73
100×65(4×2-1/2)114.3×76.1
100×80(4×3)114.3×88.9
125×65(5×2-1/2)139.7×76.1
125×80(5×3)139.7×88.9
150×65(6×2-1/2)165.1×76.1
150×80(6×3)165.1×88.9
150×100(6×4)165.1×114.3
200×65(8×2-1/2)219.1×76.1
200×80(8×3)219.1×88.9
200×100(8×4)219.1×114.3
250×65(10×2-1/2)273×76.1
250×80(10×3)273×88.9
250×100(10×4)273×114.3
 
mechanical cross grooved fitting

MECHANICAL CROSS(THREADED)

NORMAL SIZE
(mm/in)
OUTSIDE DIAMETER
(mm)
NORMAL SIZE
(mm/in)
OUTSIDE DIAMETER
(mm)
50×25(2×1)60.3×Rc1125×25(5×1)139.7×Rc1
65×25(2-1/2×1)76.1×Rc1125×32(5×1-1/4)139.7×Rc1-1/4
65×32(2-1/2×1-1/4)76.1×Rc1-1/4125×40(5×1-1/2)139.7×Rc1-1/2
65×40(2-1/2×1-1/2)76.1×Rc1-1/2125×50(5×2)139.7×Rc2
80×25(3×1)88.9×Rc1125×65(5×2-1/2)139.7×Rc2-1/2
80×32(3×1-1/4)88.9×Rc1-1/4125×80(5×3)139.7×Rc3
80×40(3×1-1/2)88.9×Rc1-1/2150×25(6×1)159×Rc1
80×50(3×2)88.9×Rc2150×32(6×1-1/4)159×Rc1-1/4
100×25(4×1)108×Rc1150×40(6×1-1/2)159×Rc1-1/2
100×32(4×1-1/4)108×Rc1-1/4150×50(6×2)159×Rc2
100×40(4×1-1/2)108×Rc1-1/2150×50(6×2-1/2)159×Rc2-1/2
100×50(4×2)108×Rc2150×50(6×3)159×Rc3
100×65(4×2-1/2)108×Rc2-1/2150×25(6×1)165.1×Rc1
100×25(4×1)114.3×Rc1150×32(6×1-1/4)165.1×Rc1-1/4
100×32(4×1-1/4)114.3×Rc1-1/4150×40(6×1-1/2)165.1×Rc1-1/2
100×40(4×1-1/2)114.3×Rc1-1/2150×50(6×2)165.1×Rc2
100×50(4×2)114.3×Rc2150×65(6×2-1/2)165.1×Rc2-1/2
100×65(4×2-1/2)114.3×Rc2-1/2150×80(6×3)165.1×Rc3
125×25(5×1)133×Rc1200×25(8×1)219.1×Rc1
125×32(5×1-1/4)133×Rc3200×32(8×1-1/4)219.1×Rc1-1/4
125×40(5×1-1/2)133×Rc1-1/4200×40(8×1-1/2)219.1×Rc1-1/2
125×50(5×2)133×Rc1-1/2200×65(8×2-1/2)219.1×Rc2
125×65(5×2-1/2)133×Rc2200×80(8×3)219.1×Rc2-1/2
125×80(5×3)133×Rc2-1/2200×50(8×2)219.1×Rc3
 
mechanical tee grooved fitting

MECHANICAL TEE (GROOVED)

NORMAL SIZE (mm/in)OUTSIDE DIAMETER (mm)
100×50(4×2)114.3×60.3
100×65(4×2-1/2)114.3×73
100×65(4×2-1/2)114.3×76.1
100×80(4×3)114.3×88.9
125×65(5×2-1/2)139.7×76.1
125×80(5×3)139.7×88.9
150×65(6×2-1/2)165.1×76.1
150×80(6×3)165.1×88.9
150×100(6×4)165.1×114.3
200×65(8×2-1/2)219.1×76.1
200×80(8×3)219.1×88.9
200×100(8×4)219.1×114.3
250×65(10×2-1/2)273×76.1
250×80(10×3)273×88.9
250×100(10×4)273×114.3
 
mechanical tee grooved fitting

MECHANICAL TEE (GROOVED)

NORMAL SIZE (in)OUTSIDE DIAMETER (mm)
2-1/2″×1″73×33
2-1/2″×1-1/4″73×42
2-1/2″×1-1/2″73×48
3″×1″89×33
3″×1-1/4″89×42
3″×1-1/2″89×48
3″×2″89×60
4″×1″114×33
4″×1-1/4″114×42
4″×1-1/2″114×48
4″×2″114×60
4″×3″114×73
6″×1″114×89
4″×2-1/2″168×33
6″×1-1/4″168×42
6″×1-1/2″168×48
6″×2″168×60
6″×2-1/2″168×73
6″×3″168×89
8″×2″219×60
 
reducing tee grooved fitting

REDUCING TEE (GROOVED)

NORMAL SIZE
(mm/in)
OUTSIDE DIAMETER
(mm)
NORMAL SIZE
(mm/in)
OUTSIDE DIAMETER
(mm)
65×50(2/1/2×2)76.1×60.3150×80(6×3)165.1×88.9
80×50(3×2)88.9×60.3150×100(6×4)165.1×114.3
80×65(3×2-1/2)88.9×76.1150×125(6×5)165.1×139.7
100×50(4×2-1/2)108×76.1200×50(8×2)219.1×60.3
100×80(4×3)108×88.9200×65(8×2-1/2)219.1×76.1
100×50(4×2)114.3×60.3200×80(8×3)219.1×88.9
100×65(4×2-1/2)114.3×76.1200×100(8×4)219.1×114.3
100×80(4×3)114.3×88.9200×125(8×5)219.1×139.7
100×80(4×3)114.3×88.9200×150(8×6)219.1×165.1
125×100(5×4)133×108250×150(10×4)273×114.3
125×65(5×2-1/2)139.7×76.1250×150(10×6)273×165.1
125×80(5×3)139.7×88.9250×200(10×8)273×219.1
125×100(5×4)139.7×114.3300×100(12×4)323.9×114.3
150×100(6×4)159×108300×125(12×5)323.9×139.7
150×100(6×4)159×114.3300×150(12×6)323.9×165.1
150×125(6×5)159×133300×200(12×8)323.9×219.1
150×65(6×2-1/2)165.1×76.1300×250(12×10)323.9×273
 
reducing tee grooved fitting

TEE (GROOVED)

NORMAL SIZE (mm/in)OUTSIDE DIAMETER (mm)
50(2)60.3
65(2-1/2)76.1
80(3)88.9
100(4)108
100(4)114.3
125(5)133
125(5)139.7
150(6)159
150(6)165.1
150(6)168.3
200(8)219.1
250(10)273
300(10)323.9
 
reducing cross grooved fitting

REDUCING CROSS(GROOVED)

NORMAL SIZE (mm/in)OUTSIDE DIAMETER (mm)
100×65(4×2-1/2)114.3×76.1
100×80(4×3)114.3×88.9
125×65(5×2-1/2)139.7×76.1
125×80(5×3)139.7×88.9
125×100(5×4)139.7×114.3
150×65(6×2-1/2)165.1×76.1
150×80(6×3)165.1×88.9
150×100(6×4)165.1×114.3
150×125(6×5)165.1×139.7
200×100(8×4)219.1×114.3
200×125(8×5)219.1×139.7
200×150(8×6)219.1×165.1
 
cross grooved fitting

CROSS (GROOVED)

NORMAL SIZE (mm/in)OUTSIDE DIAMETER (mm)
65(2-1/2)76.1
80(3)88.9
100(4)114.3
125(5)139.7
150(6)165.1
200(8)219.1
  
11.25° elbow grooved fitting45° elbow grooved fitting      90° elbow grooved fitting

Elbow

NORMAL SIZE (mm/in)OUTSIDE DIAMETER (mm)
50(2)60.3
65(2-1/2)76.1
80(3)88.9
100(4)108
100(4)114.3
125(5)133
125(5)139.7
150(6)159
150(6)165.1
200(8219.1
 
threaded reducer fitting

REDUCER (THREADED)

NORMAL SIZE
(mm/in)
OUTSIDE DIAMETER
(mm)
NORMAL SIZE
(mm/in)
OUTSIDE DIAMETER
(mm)
50×25(2×3/4)60.3×Rc3/4125×50(5×2)133×Rc3
50×25(2×1)60.3×Rc1125×65(5×2-1/2)133×Rc2
50×40(2×1-1/2)60.3×Rc1-1/2125×25(5×1)139.7×Rc1
65×25(2-1/2×1)76.1×Rc1125×32(5×1-1/4)139.7×Rc1-1/4
65×50(2-1/2×2)76.1×Rc2125×40(5×1-1/2)139.7×Rc1-1/2
80×25(3×1)88.9×Rc1125×50(5×2)139.7×Rc2
80×65(3×2-1/2)88.9×Rc2-1/2125×65(5×2-1/2)139.7×Rc2-1/2
100×25(4×1)108×Rc1125×80(5×3)139.7×Rc3
100×32(4×1-1/4)108×Rc1-1/4150×25(6×1)159×Rc1
100×40(4×1-1/2)108×Rc1-1/2150×32(6×1-1/4)159×Rc1-1/4
100×50(4×2)108×Rc2-1/2150×40(6×1-1/2)159×Rc1-1/2
100×65(4×2-1/2)108×Rc3150×50(6×2)159×Rc2
100×80(4×3)108×Rc2150×50(6×2-1/2)159×Rc2-1/2
100×25(4×1)114.3×Rc1150×50(6×3)159×Rc3
100×32(4×1-1/4)114.3×Rc1-1/4150×25(6×1)165.1×Rc1
100×40(4×1-1/2)114.3×Rc1-1/2150×32(6×1-1/4)165.1×Rc1-1/4
100×50(4×2)114.3×Rc2150×40(6×1-1/2)165.1×Rc1-1/2
100×65(4×2-1/2)114.3×Rc2-1/2150×50(6×2)165.1×Rc2
100×80(4×3)114.3×Rc3150×50(6×2-1/2)165.1×Rc2-1/2
125×25(5×1)133×Rc1150×50(6×3)165.1×Rc3
125×32(5×1-1/4)133×Rc1-1/4200×25(8×1)219.1×Rc1
125×40(5×1-1/2)133×Rc1-1/2200×80(8×3)219.1×Rc3
 
reducer grooved fitting

REDUCER (GROOVED)

NORMAL SIZE
(mm/in)
OUTSIDE DIAMETER
(mm)
NORMAL SIZE
(mm/in)
OUTSIDE DIAMETER
(mm)
65×50(2-1/2×2)76.1×60.3150×65(6×2-1/2)159×133
80×50(3×2)88.9×60.3150×80(6×3)159×139.7
80×65(3×2-1/2)88.9×76.1150×100(6×4)165.1×76.1
100×65(4×2-1/2)108×76.1150×125(6×5)165.1×88.9
100×80(4×3)108×88.9150×125(6×5)165.1×114.3
100×50(4×2)114.3×60.3150×125(6×5)165.1×139.7
100×65(4×2-1/2)114.3×76.1150×50(6×2)165.1×60.3
100×80(4×3)114.3×88.9200×65(8×2)219.1×60.3
125×100(5×4)133×76.1200×65(8×2-1/2)219.1×76.1
125×100(5×4)133×88.9200×80(8×3)219.1×88.9
125×50(5×2)133×108200×100(8×4)219.1×114.3
125×65(5×2-1/2)133×114.3200×125(8×5)219.1×139.7
125×65(5×2-1/2)139.7×60.3200×150(8×6)219.1×159
125×80(5×3)139.7×76.1200×150(8×6)219.1×165.1
125×80(5×3)139.7×88.9250×100(10×4)273×114.3
125×100(5×4)139.7×108250×150(10×6)273×165.1
125×100(5×4)139.7×114.3250×200(10×8)273×219.1
150×65(6×2-1/2)159×76.1300×150(12×6)323.9×165.1
150×80(6×3)159×88.9300×200(12×8)32×9×219.1
150×100(6×4)159×108300×250(12×10)323.9×273
150×100(6×4)159×114.3
 
heavy duty flange grooved fitting

  HEAVY DUTY FLANGE (GROOVED)

NORMAL SIZE
(mm/in)
OUTSIDE DIAMETER
(mm)
WORKING PRESSURE
(MPA)
DIMENSIONS(MM)NO. OF
HOLES
ABCD
65(2-1/2×2)76.12.563.5171851458
65(3)88.92.563.5172001608
100(4)1082.567.516.52351908
100(4)114.32.568152301908
150(6)1592.568173002508
150(6)1652.568173002508
200(8)219.12.5772036031012
 
flange adapter grooved fitting

ADAPTOR FLANGE (GROOVED)

NORMAL SIZE
(mm/in)
OUTSIDE DIAMETER
(mm)
WORKING PRESSURE
(MPA)
DIMENSIONS(MM)NO. OF
HOLES
ABCD
50(2)60.31.650151601254
65(2-1/2)76.11.650151781454
80(3)88.91.650151941608
100(4)1081.655152131808
100(4)114.31.655152131808
125(5)1331.658172432108
125(5)139.71.658172432108
150(6)1591.665172802408
150(6)165.11.665172802408
200(8)219.11.67819340295812
250(10)2731.6831740435512
300(12)323.91.6881741641012
 
blind flange grooved fitting

BLIND FLANGE

NORMAL SIZE
(mm/in)
OUTSIDE DIAMETER
(mm)
WORKING PRESSURE
(MPA)
HEIGHT
(MM)
50(2)60.32.528
65(2-1/2×2)76.12.528
80(3)88.92.529
100(4)1082.531
100(4)114.32.531
125(5)1332.531.5
125(4)139.72.531.5
150(6)1592.531.5
150(6)165.12.531
200(8)219.12.536.5
250(10)2732.533
 
threaded flange

THREADED FLANGE

NORMAL SIZE
(mm/in)
OUTSIDE DIAMETER
(mm)
WORKING PRESSURE
(MPA)
DIMENSIONS(MM)NO. OF
HOLES
ABCD
25(1)Rc11.61810851104
32(1-1/4)Rc1-1/41.618111001304
40(1-1/2)Rc1-1/21.619131101454
50(2)Rc21.62013125154
65(2-1/2)Rc2-1/21.621151441784
80(3)Rc31.625.515160193.58
100(4)Rc41.625.7515180213.58
 
bolts nuts
 
 
The mechanical properties of bolts shall not be lower than grade 8.8 specified
in GB / T 3098.1, and the thread tolerance shall be 6G. The mechanical
properties of the nut shall comply with
Grade 8 requirements specified for nuts in GB / T 3098.2, thread tolerance 6h.

BOLTS & NUTS

SIZETHREADED
LENGTH L1
TOTAL
LENGTH
FISHTAIL BOLT
WIDTH
NUT WIDHT
M10×5530±355±1.214.5±0.59.6~10
M10×6030±360±1.214.5+0.59.6~10
M10×6530±365±1.214.5±0.59.6~10
M12×6536+465±1.215.2±0.411.6~12
M12×7036+470+1.215.2±0.411.6~12
M12×7541+470+1.215.2±0.411.6~12
M16×8541+485+1.219.0-19.915.3~16
M20×12050+5120+2.024±0.818.9~20
 
flange

GASKET RING

NAMEGASKETGENERAL SERVICE
RECOMMENDATION
TEMPERATURE
RANGE
EPDMEWater supply, drainage, sewage and normal temperature air, weak acid and weak alkali-30°C~+130°C
NBRDPetroleum based oils-20°C+80°C
SILICOMN
RUBBER
SDrinking water, hot dry air and some hot chemicals-40°C~+180°C
 
 
projects of grooved fitting
 
 
 

Grooved Fitting FAQ

 

1.Q: What is a grooved fitting?

   A: A grooved fitting is a type of pipe fitting that uses a groove system to connect pipes quickly and securely without the need for welding or threading. The groove is cut into the pipe ends, and a coupling with a gasket is used to join the pipes together, ensuring a leak-tight seal.
 

2.Q: What are the main benefits of using grooved fittings?

   A: Grooved fittings offer several advantages:
       Speed of Installation: They are quicker to install compared to traditional methods like welding or threading.
       Flexibility: Grooved systems allow for easy maintenance and modifications.
       Safety: No need for welding, which reduces fire hazards.
       Reliability: Provides a durable and leak-proof connection.
 

3.Q: What materials are grooved fittings made from?

   A: Grooved fittings are typically made from ductile iron, carbon steel, or stainless steel. The choice of material depends on the application and the type of fluids or gases being transported.
 

4.Q: Are grooved fittings compatible with other types of piping systems?

   A: Yes, grooved fittings can be connected to other types of piping systems, such as threaded, flanged, or welded systems, using appropriate adapters or transition fittings.
 

5.Q: How do I ensure a proper installation of grooved fittings?

   A: Proper installation requires:
       Ensuring the groove is cut according to manufacturer specifications.
       Using the correct gasket material for the application.
       Tightening the coupling bolts to the recommended torque.
       Regularly inspecting the system for any signs of wear or damage.
 

6.Q: Can grooved fittings be used in high-temperature applications?

   A: Yes, grooved fittings can be used in high-temperature applications if they are made from materials suitable for the temperature range, such as stainless steel, and if the appropriate high-temperature gaskets are used.
 

7.Q: What maintenance is required for a grooved fitting system?

   A: Regular maintenance includes:
       Checking for leaks or signs of wear.
       Ensuring the bolts are tight and in good condition.
       Replacing gaskets if they show signs of aging or damage.
 

8.Q: Can I reuse grooved fittings?

   A: Some components of grooved fittings, like couplings and bolts, can be reused if they are in good condition. However, gaskets should generally be replaced when disassembling and reassembling the system to ensure a proper seal.