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Check Valve

Name แบบปิดสนิท (รองลื้นด้วยแหวนยาง) และแบบรั่วซึมต่ำ (รองลิ้นด้วยโลหะ) Zero leakage-Rubber Seated & Low Leakage-Metal Seated
Model CV-S(L)-W PN.10 , CV-S(S)-W PN.16 CV-S(L)-WH PN.10 , CV-S(S)-WH PN.16
Dimensions (DN) Laying length (L) Minimum Thickness(e)mm. MinimumShaftDia. (s) Hydraulic Dash-pot Bore By-Pass Sizing (mm.)
inch millimeter Short Body mm. Long Body mm. PN.10 & PN.16
Inch. mm.
3 80 241±2 310±3 10 ½ 12.7 ∅ 1½ inch Model CV-M
4 100 292±3 350±3 11 ½ 12.7 ∅ 1¼ inch
6 150 356±3 480±3 11 16
8 200 495±3 600±4 12 ¾ 19
10 250 622±4 730±4 14 22 ∅ 2 inch Model CV-L
12 300 698±4 850±5 15 22
14 350 *787±5 980±5 16 22
16 400 *914±5 1100±6 17 1 ¼ 32 ∅ 2½ inch GV DN 100
18 450 *965±2 1200±6 20 1 ¼ 32 ∅ 3 inch
20 500 *1067±6 1250±6 21 1 ½ 38
24 600 *1219±6 1450±6 24 1 ½ 38 ∅ 4 inch
28 700 - 1650±8 27 2 50
32 800 1850±8 29 2 ½ 63.5
36 900 2050±8 31 3 ¼ 82 ∅ 5 inch GV DN 150
40 1000 2250±8 33 4 100 ∅ 6 inch

 

Remarks   
* Laying length (L) short body size 350 to 600 conform to standard TIS 383-2529                       
**Dimensions of flange conforming to ISO 7005-2 see appendix A

Material

Model Part accessories
Body Disc Shaft Hinge Gasket Body Sealing Disc Sealing
DN 80 to 300 DN 350 to 1000
CV-S(L)-WPN.10 Cast iron-FC 20 Cast iron-FC 20 Stainless Steel Rod Bronze Stainless Steel Casting Rubber “NBR”   for Worked Temp.  0-80 oCRubber  “EPDM” for Worked Temp.          -10 to 120 oC Bronze Low leakage : Bronze Zero leakage : Rubber “NBR”   for Worked Temp.   0-80 oCRubber  “EPDM” for Worked Temp. -10 to 120 oC
CV-S(S)-W PN.16 Ductile iron FCD 45 Ductile iron FCD 45
CV-S(L)-WH PN.10 Cast iron-FC 20 Cast iron-FC 20
CV-S(S)WH PN.16 Ductile iron FCD 45 Ductile iron FCD 45

 

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