Gold Member Since 2015
Audited Supplier
Weifang Yinuo Casting Co., Ltd.

Coupling for Drinking Water, Irrigation Coupling, Ductile Iron Coupling manufacturer / supplier in China, offering FM/UL/Ce Listed Ductile Iron Grooved Rigid Coupling for Drinking Water, Ductile Iron Casting Pipe Fittings High Quality Threaded/Grooved Concentric/ Eccentric Reducer 300 Psi, FM/UL 300psi Ductile Iron Grooved 90 Degrees Elbow for Fire Fighting Water Supply and so on.

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Supplier Homepage Product Coupling FM/UL/Ce Listed Ductile Iron Grooved Rigid Coupling for Drinking Water

FM/UL/Ce Listed Ductile Iron Grooved Rigid Coupling for Drinking Water

Purchase Qty.:
(Pieces)
100-999 1,000-4,999 5,000+
FOB Unit Price: US $5 US $3 US $1.9
Purchase Qty. (Pieces) FOB Unit Price
100-999 US $5
1,000-4,999 US $3
5,000+ US $1.9
Get Latest Price
Production Capacity: 100000PCS/Year
Transport Package: Cartons with Pallet / Wooden Case
Payment Terms: L/C, T/T, Western Union, Paypal
Basic Info
  • Model NO.: XGQT01
  • Structure: Universal
  • Material: Iron
  • Raw Material: Cast Iron/ Ductile Iron-ASTM A536
  • Finish: Epoxy/ Painted / Galvanized
  • Gasket: EPDM
  • Thread Standard: BSPT/ BSPP/ NPT
  • Size: 1"-12"
  • Trademark: 1NUO
  • Origin: China
  • Connection: Grooved
  • Flexible or Rigid: Rigid
  • Standard: Standard
  • Pressure: 300 Psi
  • Color: Ral 3000 Red / Orange/ Blue/ White
  • Bolt and Nut: Cold Heading Steel- Gold / Silver
  • Groove Specification: According to Victaulic/ Groovelook
  • OEM/ODM: Yes
  • Specification: FM UL
  • HS Code: 7307110000
Product Description
1. Rigid Coupling Specification:  

This white /blue coupling is specially designed for drinkinig water with Silicon rubber.
For Irrigation and sewage or other water treatment industry, we recommend EPDM gasket.
SizePipe O.D Working PressureBolt Size
mm/inPSI/MPaNo.-Size mm
25               
1     
33.7       
1.327
300
2.07
2-M10*45
32               
42.4
1.669
300
2.07
2-M10*45
40
1 1/2
48.3
1.900
300
2.07
2-M10*45
50         
2
60.3       
2.375
300
2.07
2-M10*55
65
2 1/2
73
2.875
300
2.07
2-M10*55
65       
3OD
76.1       
3.000
300
2.07
2-M10*55
80        
3
88.9       
3.500
300
2.07
2-M10*60
100       
4
114.3      
4.500
300
2.07
2-M10*65
125       
5.5OD
139.7      
5.500
300
2.07
2-M10*75
150       
6 OD
165.1
6.500
300
2.07
2-M10*75
150       
6
168.3      
6.625
300
2.07
2-M10*75
200       
8
219.1      
8.625
300
2.07
2-M10*100
250      
10  
273.0      
10.748
300
2.07
2-M10*130
300      
12
323.9      
12.752
300
2.07
2-M10*130
 

NOTE:  
Gasket Material Temperature Range                   Recommendations
EEPDM-34ºC~ +110ºCRecommended for hot water, dilute acid, oil-free gas 
and other chemicals(except for hydrocarbon ) within the specified temperature range. Not recommended for petroleum and hydrocarbon.
DNBR-29ºC~ +82ºCRecommended for petroleum products, gas with oil vapors, mineral oil and vegetable oil. Not recommended for high temperature materials.
SSilicon Rubber-40ºC~ +177ºCRecommended for high temperature and dry air, and some high temperature chemicals.

2. Product Details
Material Ductile Iron-ASTM A536
Groove SpecificationAccording to Victaulic/ Groovelook
Thread StandardBSPT/ BSPP/ NPT
Bolt and NutCold Heading Steel- Gold color
Pressure300 psi
FinishEpoxy/ Painted / Galvanized
ColorRal 3000 Red / Orange/ Blue/ White
Brand1NUO
PackageCartons with Pallet / Wooden Case
Delivery Time20-40 days as per every order
CapacityFour Automatic Vertical Production Lines
Application1. fire fighting& fire sprinkler system for commercial and civil fire protection construction, such as water supplying, gas supplying, air-conditioning etc.
2. Industrial pipeline system in shipping, mine, oil field, cement,  mine piping , chemical plant etc.
3.  Ordinary piping delivery in sewage treatment, Subway station, airport etc.


3. What could we do for you?   

(1) FM/UL/CE certified standard high quality grooved fittings with best price.
(2) A quick delivery time within  20-30 days, and most convenient shipping port- Qingdao port.
(3) Only small quantity of MOQ for your order- 1 pallet .
(4) Free Samples offered and only request little express fee.
(5) We are very happy to welcome you visit our factory in Weifang, China.
(6)Product Insurance under written PICC to guarantee your order.


4. Why choose "1NUO" Brand?     
In Chinese, "1NUO" means "The Promise" ,which is a promise to our high quality and good reputation forever. When you choose 1NUO, you gain our guarantee and your valuable market. We  believe that every customer's requirements can be satisfied by our professional & customized services.

5. What  we could offer else:      
Fire fighting systems and water systems: Flexible Coupling, 90° Elbow, 45° Elbow, Tee, Mechanical Tee, Mechanical Cross, Reducer, Flange, Cap ... 
For all grooved fittings and more information, pls Contact below e-mail now !
 


6. Instanllation Instruction for Riquid & Flexible Coupling

1. Pipe preparation: Check pipe end for proper grove demensions and assure that pipe end is free of indentations and projections that would prevent proper sealing.
2. Lubricate gasket: Check gasket to be sure it's compatible for the intended service. Apply thin lubricant to the outside and seal lips of the gasket.
3. Gasket installation: Slip the gasket over one pipe, making sure the gasket lip does not overhang the pipe end.
4. Alignment: After aligning two pipe ends toghther, pull the gasket into position, centering between the grooves on each pipe. The gasket should not extend into the groove on either pipe.
5. Housing installation: Remove one bolt&nut and loosen the other nut. Place one housing over the gasket, making sure the housing fit into the pipe grrooves. Swing the other housing over the gasket and into the grooves on both pipes. Reinsert the bolt and connect two housing.
6. Tighten nuts: Firstly tighten nuts by hand and make sure oval neck bolt completely fits into bolt hole. Then securely tighten nuts alternatively and equally to specified bolt torque by using spanner.
7. Installation complete-rigid coupling: For rigid coupling, keep the gaps between bolt pads evenly spaced. Gaskets cannot be visual.
8. Installation complete-flexible coupling: For flexible coupling, two housing should be connected iron to iron. Gaskets cannot be visual.

Caution:
Proper torquing of bolts is required to obtain specified performance. Over torquing the bolts may result in damage to the bolt and/or casting which could result in pipe joint separation. Under troquing the bolts may result in lower pressure retention capabilities, lower bend load capabilities, joint leakage and pipe joint separation. Pipe joint separation may result in significant property damange and serious injury.
 
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