ISO Weld / Clamp / Male Flange Check Valves
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ISO Weld / Clamp / Male Flange Check Valves

Item No.: CV-ISO
Material:
Contact Parts- SS304 or 316L
Sealing Part- EPDM
INQUIRY
Description
Connection Style:
(1) Welded,threaded,clamped,flange
(2) To assure the connection and substitution with imported facilities,all the connection styles with pipe or equipment are made to IDF/ISO,SMS international standard size.

3A, DIN, SMS, IDF, RJT, ISO standards are available.

Technical Parameter
Required differential pressures to turn on the valve that fitted in a vertical pipeline are about
··Max.Pressure for transfer material:10bar
··Max.Temperature:140℃(EPDM)
··Min.Temperature:-10℃
Type Size A B C D Sketch



Weld Check Valves
1" 22.4 25.4 75 70  
                                                                   
1 1/2" 35.1 38.1 88 75
2" 47.8 50.8 102 85
2 1/2" 59.5 63.5 134 100
3" 72.1 76.1 144 115
4" 97.6 101.6 182 150



Clamp Check Valves
1" 22.4 25.4 75 95.4  
                                  
1 1/2" 35.1 38.1 88 100.4
2" 47.8 50.8 102 110.4
2 1/2" 59.5 63.5 134 125.4
3" 72.1 76.1 144 140.4
4" 97.6 101.6 182 181.8



Male Check Valves
1" 22.4 Rd40×1/6” 75 100  
 
1 1/2" 35.1 Rd60×1/6” 88 115
2" 47.8 Rd70×1/6” 102 125
2 1/2" 59.5 Rd85×1/6” 134 148
3" 72.1 Rd98×1/6” 144 163
4" 97.6 Rd132×1/6” 182 210



Flange Check Valves
1" 22.4 64 79 120  
 
1 1/2" 35.1 72 87 125
2" 47.8 90 106 135
2 1/2" 59.5 102 120 150
3" 72.1 115 134 165
4" 97.6 146 166 200