Grooved rigid couplings

Products

Grooved rigid couplings

Grooved rigid couplings are mainly used to connect steel pipes for fire protection system, potable water supply system, municipal construction, mine, chemical factory and other occasions when steel pipes used.

Material of body: ductile cast iron (ASTM A536,Grade: 65-45-12)

Material of gasket: EPDM, NBR, silicon rubber

Standard: UL213

Working pressure: 2.07MPa / 300PSI

Surface treatment: electrostatics powder painting, galvanization

Colors: RAL3000, blue, white or as customized

Bolts and nuts: stainless steel, grade 8.8

All sizes are UL listed and FM approved

Product parameters

Nominal size	Pipe OD	Working Pressure	Product Dimension (inch / mm)			Bolt/Nut
inch / mm	inch / mm	PSI / MPa	Φ	L	H
1 25	1.327 33.7	300 2.07	2.205 56	3.78 96	1.772 45	10*45

1 1/4 32	1.669 42.4	300 2.07	2.598 66	4.173 106	1.772 45	10*45

1 1/2 40	1.9 48.3	300 2.07	2.835 72	4.488 114	1.772 45	10*45

2 50	2.375 60.3	300 2.07	3.189 81	4.961 126	1.85 47	10*55

2 1/2 65	2.875 73	300 2.07	3.74 95	5.472 139	1.85 47	10*55

3 (OD) 65	3 76.1	300 2.07	3.898 99	5.63 143	1.85 47	10*55

3 80	3.5 88.9	300 2.07	4.409 112	6.181 157	1.89 48	10*55

4 100	4.5 114.3	300 2.07	5.433 138	7.598 193	1.969 50	12*65

5 1/2 (OD) 125	5.5 139.7	300 2.07	6.535 166	8.701 221	1.969 50	12*70

5 125	5.563 141.3	300 2.07	6.654 169	8.74 222	1.969 50	12870

6 1/2 (OD) 150	6.5 165.1	300 2.07	7.598 193	9.843 250	2.008 51	12*70

6 150	6.625 168.3	300 2.07	7.717 196	10.079 256	2.008 51	12*70

8 200	8.625 219.1	300 2.07	10 254	12.677 322	2.48 63	16*85

10 250	10.75 273	300 2.07	12.323 313	15.433 392	2.52 64	20*100

12 300	12.75 323.9	300 2.07	14.409 366	17.52 445	2.598 66	20*110

Product parameters

Nominal size	Pipe OD	Working Pressure	Product Dimension (inch / mm)			Bolt/Nut
inch / mm	inch / mm	PSI / MPa	Φ	L	H
1 25	1.327 33.7	300 2.07	2.205 56	3.78 96	1.772 45	10*45

1 1/4 32	1.669 42.4	300 2.07	2.598 66	4.173 106	1.772 45	10*45

1 1/2 40	1.9 48.3	300 2.07	2.835 72	4.488 114	1.772 45	10*45

2 50	2.375 60.3	300 2.07	3.189 81	4.961 126	1.85 47	10*55

2 1/2 65	2.875 73	300 2.07	3.74 95	5.472 139	1.85 47	10*55

3 (OD) 65	3 76.1	300 2.07	3.898 99	5.63 143	1.85 47	10*55

3 80	3.5 88.9	300 2.07	4.409 112	6.181 157	1.89 48	10*55

4 100	4.5 114.3	300 2.07	5.433 138	7.598 193	1.969 50	12*65

5 1/2 (OD) 125	5.5 139.7	300 2.07	6.535 166	8.701 221	1.969 50	12*70

5 125	5.563 141.3	300 2.07	6.654 169	8.74 222	1.969 50	12870

6 1/2 (OD) 150	6.5 165.1	300 2.07	7.598 193	9.843 250	2.008 51	12*70

6 150	6.625 168.3	300 2.07	7.717 196	10.079 256	2.008 51	12*70

8 200	8.625 219.1	300 2.07	10 254	12.677 322	2.48 63	16*85

10 250	10.75 273	300 2.07	12.323 313	15.433 392	2.52 64	20*100

12 300	12.75 323.9	300 2.07	14.409 366	17.52 445	2.598 66	20*110

Inquiry

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