Grooved One-Stop Coupling Manufacturer

Grooved One-Stop Coupling

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Ductile iron grooved fittings

Grooved one-stop coupling is a type of rigid quick-change pipe fitting. With a unique structural design, it eliminates the need to disassemble bolts, nuts, and gasket during installation. The coupling can be directly inserted into the pipe end and tightened with bolts and nuts.

Features

The installation efficiency is more than three times that of standard couplings. The unique structural design prevents the loss of bolts and nuts during the installation process.

Recommended Applications

Grooved one-stop coupling is suitable for various types of pipes, such as water supply, drainage, HVAC systems, and other pipelines.

Key Specifications

Available sizes: 1~12 inch |DN25~DN300
Working pressure: 300PSI/2.07MPa
Certificate: FM/UL/CE certified
Coating: epoxy/galvanized
Color: red/orange/white, etc.
Material: ductile iron

Specifications

Nominal Size	Pipe OD	Dimensions			Bolt Size
mm/in	mm/in	mm/in			No.-Size / mm
mm/in	mm/in	A / mm	B / mm	C / mm	No.-Size / mm
25 / 1	33.7 / 1.327	58 / 2.28	98 / 3.85	45 / 1.77	3/8*45-2
32 / 1 1/4	42.4 / 1.669	68 / 2.68	106 / 4.17	45 / 1.77	3/8*45-2
40 / 1 1/2	48.3 / 1.9	74 / 2.91	114 / 4.49	45 / 1.77	3/8*45-2
50 / 2	60.3 / 2.375	86 / 3.39	128 / 5.04	45 / 1.77	3/8*55-2
65 / 2 1/2	73 / 2.875	98 / 3.86	137 / 5.39	45 / 1.77	3/8*55-2
65 / 2 1/2	76.1 / 3	103 / 4.06	141 / 5.55	45 / 1.77	3/8*55-2
80 / 3	88.9 / 3.5	114 / 4.49	158 / 6.22	45 / 1.77	3/8*55-2
100 / 4	114.3 / 4.5	143 / 5.63	192 / 7.56	49 / 1.93	1/2*65-2
125 / 5	139.7 / 5.5	172 / 6.77	222 / 8.74	50 / 1.96	1/2*75-2
150 / 6	165.1 / 6.5	199 / 7.83	252 / 9.92	50 / 1.96	1/2*75-2
150 / 6	168.3 / 6.625	202 / 7.95	252 / 9.92	50 / 1.96	1/2*75-2
216 / 8	216.1 8.51	258 / 10.16	322 / 12.67	58 / 2.28	5/8*95-2
200 / 8	219.1 / 8.625	258 / 10.16	322 / 12.67	58 / 2.28	5/8*95-2
267 / 8	267.2 / 10.52	313 / 12.32	390 / 15.35	58 / 2.28	3/4*110-2
250 / 10	273 / 10.75	320 / 12.60	394 / 15.51	60 / 2.36	3/4*110-2
318 / 12	318.3 / 12.53	369 / 14.53	450 / 17.72	58 / 2.28	3/4*120-2
300 / 12	323.9 / 12.75	372 / 14.64	450 / 17.72	64 / 2.51	3/4*120-2

What problems can be solved by grooved piping systems?

Due to the advantages of grooved couplings, grooved piping systems can address complex installation issues, noise problems, and the negative effects of vibrations on pipelines. They also help reduce maintenance costs in the long run.