FM / UL Approved Ductile Iron Grooved Coupling Rigid Coupling

• Connection: Grooved, Fixed and Assembled by Rubber and Bolts
• Structure: Vertical
• Flexible or Rigid: Rigid
• Material: Ductile Iron, DIN 1693 Ggg42, ASTM A536
• Standard: Standard
• Size: Dn25-300(1"-12") or as Customer′s Requirement
• Model NO.: Rigid Coupling
• Type: Rigid Coupling, Flexible Coupling
• Surface Furnish: Paint, Epoxy or Galvanization,Decomet
• Certificate: ISO, FM, UL
• Technology: Casting
• Transport Package: Export Cardboard Box, Wooden Case or Pallet
• Specification: 80mm
• Trademark: KM
• Origin: China
• HS Code: 7204100000
• Production Capacity: 2000ton/Month

Product Description

Ductile Iron Grooved Pipe Coupling
We can also produce according to your drawings.
 

Size	DN25-300(1"-12") or as customer's requirement
Material	Ductile iron or ferritic nodular iron
Standard	DIN, ASTM, JIS, ANSI etc. Or according to customer's drawing
Surface Furnish:	Red painted, orange painted, galvanized, red spraied, orange spraied, dacromet, epoxy powder, epoxy, electroplate, galvanized+epoxy, etc.
Pressure	300PSI, 450PSI, 500PSI, or as request
Applications:	Fire protection, Water supply system, General pipe system, Air-conditioning, Sewage system, Cement pipe system, Mine pipe systems
Packing:	1 )Packed in cartons and then packaged in pallet which will be covered by plastic film. 2)In fumigation-free wooden case
ADVANTAGE:	Easy to assemble and disassembel, easy to operate
Engineering Tests:	Vaccum Test, Hydrostatic Strength Test, Air Leakage TEST, Moment Test, Hot Gasket Test, Cold Gasket Test, Flame Test, Cycling Pressure Resistance(Water Heamer Test),
	Friction Loss Determination, Leakage Test-Assembly without Gasket, Torsion Test, Flexibility Test for Flexible Fittings, Seismic Evaluation, Lateral Displacement, Hydrostatic Fluctuation Pressure Test, Fire Test

Flexbile Coupling
Nominal Size mm/in	Pipe O.D mm/in	Working Pressure PSI/MPa	Dimensions mm/in
			Ø	L	H
25	33.7	300	55.	95	45
1	1.327	2.07	2.165	3.74	1.772
32	42.4	300	65	105	45
1¼	1.669	2.07	2.559	4.133	1.772
40	48.3	300	71.	110     4.331	45
1½	1.9	2.07	2.795		1.772
50	60.3	300	82	124	45
2	2.375	2.07	3.228	4.882	1.772
65	73.0	300	98	141	45
2½	2.875	2.07	3.858	5.551	1.772
65	76.1	300	100	142	45
3OD	3	2.07	3.937	5.59	1.772
80	88.9	300	113	160	46
3	3.5	2.07	4.449	6.299	1.811
100	114.3	300	142	190	49
4	4.5	2.07	5.59	7.48	1.929
125	139.7	300	168	218	49
5.5OD	5.5	2.07	6.614	8.583	1.929
150	165.1	300	194	244	49
6.5OD	6.5	2.07	7.638	9.606	1.929
150	168.3       6.625	300	198	248	49
6		2.07	7.795	9.764	1.929
200	219.1	300	256.	320	60
8	8.625	2.07	10.079	12.598	2.362
250	273	300	328	420	64
10	10.748	2.07	12.913	16.535	2.52
300	323.9	300	380	454	64
12	12.752	2.07	14.961	17.874	2.52