Stainless Steel Heavy Duty Flexible Coupling, Model 97HP Manufacturer

Stainless Steel Heavy Duty Flexible Coupling, Model 97HP

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The model 97HP stainless steel flexible coupling is designed for high pressure applications including reverse osmosis and desalination systems. To adapt the special environment, the housing materials are made from high strength and corrosion resistance material of duplex CD3MN (2205) and super duplex steel CE8MN, CE3ME (2507). The bolts are made from 316L stainless steel and the heavy duty nuts are made of silicon bronze to help prevent galling during repetitive use.

Size: 3/4"to 12" (DN20 to DN300)
Rated working pressure: 1200 psi (83 bar)
Only for SCH 80 groove pipe

Nominal	Pipe	Rated Working	Pipe End	Dimensions
Size	OD	Pressure	Separation	A	B	C
mm in	mm in	psi bar	mm in	mm in	mm in	mm in
20 0.75	26.70 1.050	1200 82.68	0-1.6 0-0.06	53 2.087	86 3.386	44 1.732
25	32.00 1.260	1200 82.68	0-1.6 0-0.06	59 2.323	91 3.583	44 1.732
25 1	33.40 1.315	1200 82.68	0-1.6 0-0.06	60 2.362	93 3.661	44 1.732
32	38.00 1.496	1200 82.68	0-1.6 0-0.06	70 2.756	100 3.937	44 1.732
32 1.25	42.20 1.660	1200 82.68	0-1.6 0-0.06	72 2.835	102 4.016	44 1.732
40 1.5	48.30 1.900	1200 82.68	0-1.6 0-0.06	79 3.110	121 4.764	44 1.732
50	57.00 2.244	1200 82.68	0-1.6 0-0.06	89 3.504	133 5.236	45 1.772
50 2	60.30 2.375	1200 82.68	0-1.6 0-0.06	91 3.583	135 5.315	45 1.772
65 2.5	73.00 2.875	1200 82.68	0-1.6 0-0.06	104 4.094	145 5.709	45 1.772
65	76.10 3.000	1200 82.68	0-1.6 0-0.06	108.5 4.272	152 5.984	45 1.772
80 3	88.90 3.500	1200 82.68	0-1.6 0-0.06	125 4.921	166 6.535	45 1.772
100	108.00 4.250	1200 82.68	0-3.2 0-0.13	154 6.063	197 7.756	52 2.047
100 4	114.30 4.500	1200 82.68	0-3.2 0-0.13	157.4 6.197	207 8.150	52 2.047
125	133.00 5.250	1200 82.68	0-3.2 0-0.13	178 7.008	231 9.094	52 2.047
125 5	141.30 5.563	1200 82.68	0-3.2 0-0.13	192 7.559	248 9.764	52 2.047
150	159.00 6.259	1200 82.68	0-3.2 0-0.13	216 8.504	265 10.433	52 2.047
150 6	168.30 6.625	1200 82.68	0-3.2 0-0.13	227 8.937	282 11.102	52 2.047
200 8	219.10 8.625	1200 82.68	0-3.2 0-0.13	281 11.063	244 9.606	64 2.520
250 10	273.00 10.75	1200 82.68	0-3.2 0-0.13	342 13.465	400 15.748	65 2.559
300 12	323.90 12.75	1200 82.68	0-3.2 0-0.13	397 15.630	478 18.819	65 2.559
DN350	377
400	400
400	426
450	457
450	478
500	508
500	530
1000	630

Material Specification

Optional housing materials:

Super duplex 2507 (CE3MN) conforming to ASTM A890 Grade 5A

CE8M conforming to ASTM A890 Grade 2A

Duplex 2205(CD3MN) conforming to ASTM A890 Grade 4A

Austenic 254SMO (CK3MCuN) conforming to A743

Austenic 904L (CN2MCuN) conforming to A351

Type 316 conforming to ASTMA743 CF8M

Type 316L conforming to ASTM A743 CF3M

Rubber Gaskets
The gasket is C-shaped, made of EPDM (ethylene propylene diene monomer). The service temperature range is -50~150℃. It is recommended for used in applications including cold water, hot water, dilute acid, oil-free air and multiple chemical products. Not for use in petroleum applications.

Bolts
Type 316 stainless steel track bolts conforming to ASTM A193 B-8M

Nuts
Silicon bronze heavy duty nuts conforming to ASTM B98 C65100