Low Pressure Stainless Steel Coupling

Drawing & Specification

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Low Pressure Stainless Steel Coupling

Available Sizes:3/4”~12”(DN20~DN300)
Material: SS304 SS316 & SS316L
Rated Working Pressure:350psi(25bar)
Only for SCH20S pipe fittings

Material Specification

SS304 stainless steel applys to ASTM A351 CF8 or A743 Gr.CF8
SS316 stainless steel applys to ASTM A743 CF8M
SS316L stainless steel applys to ASTM A743 CF3M

Rubber Gaskets

The gasket is C sharped, made of EPDM material , application for cold water, hot water, rare acid, oil-free air and multiple chemical products,(-50℃~150℃）.

Bolts & Nuts

SS3304 stainless steel track bolts apply to ASTM F-593
SS316 stainless steel track bolts apply to ASTM F-593
SS316 stainlee steel track bolts apply to ASTM A193 B-8M with silicone bronze heavy duty nuts to ASTM B98 C65100

Size		Rated Working Pressure	Pipe End Separation	Dimension
Normial	Pipe OD			A	B	C
mm	mm	psi	mm	mm	mm	mm
inch	inch	Bar	inch	inch	inch	inch
20	26.7	350	0-1.6	47	84	41
3/4	1.05	24.13	0-0.06	1.85	3.307	1.614
25	32	350	0-1.6	50	89	41
	1.26	24.13	0-0.06	2	3.504	1.614
25	33.4	350	0-1.6	52	90	41
1	1.315	24.13	0-0.06	2.047	3.543	1.614
32	38	350	0-1.6	59	97	42
	1.496	24.13	0-0.06	2.323	3.819	1.654
32	42.2	350	0-1.6	61	99.7	42
1-1/4	1.66	24.13	0-0.06	2.402	3.925	1.654
40	48.3	350	0-1.6	67	106.3	42
1-1/2	1.9	24.13	0-0.06	2.638	4.185	1.654
50	57	350	0-1.6	79	118	42
	2.244	24.13	0-0.06	3.11	4.646	1.654
50	60.3	350	0-1.6	81	121	42
2	2.375	24.13	0-0.06	3.189	4.764	1.654
65	73	350	0-1.6	96	143.1	43
2-1/2	2.375	24.13	0-0.06	3.79	5.634	1.693
65	76.1	350	0-1.6	98	147.3	43
	3	24.13	0-0.06	3.858	5.799	1.693
80	88.9	350	0-1.6	111	160.9	43
3	3.5	24.13	0-0.06	4.37	6.335	1.693
100	114.3	350	0-1.6	138	189.5	47
4	4.5	24.13	0-0.06	5.433	7.461	1.85
150	168.3	350	0-1.6	194.2	246.2	55
6	6.625	24.13	0-0.06	7.646	9.693	2.165
200	219.1	350	0-1.6	251	310	60
8	8.625	24.13	0-0.06	9.882	12.205	2.362
250	273	350	0-1.6	342	400	65
10	10.75	24.13	0-0.06	13.465	15.748	2.559
300	323.9	350	0-1.6	297	478	65
12	12.75	24.13	0-0.06	15.63	18.819	2.559