check valve
1) ductile iron GGG500/7
2) fusion bonded epoxy coating
3)standard: AWWA, DIN

 

1.  Material:
1) valve body and bonnet: ductile iron ASTM-A-536,GGG500-7
2) DIS: grey iron/bronze,grey iron

 

 

Check valve

 

2.Features:

 

1) The check valves supplied are mainly used for preventing the water

 

    and steam medium from flowing backward

 

2) Material:

 

    a) Valve body and bonnet: ductile iron ASTM-A-536, GGG500-7

 

    b) Disc: grey iron/ bronze, grey iron or grey iron/ rubber

 

3) Size: 50 - 400mm/ 2" - 16"

 

4) Pressure grade

 

    a) 250 PSI

 

    b) PN10

 

    c) PN16

 

5) Coating

 

    a) Fusion-bonded epoxy 200-250 microns inside and outside .

 

    b) Coating as per customers' requirement

 

 

3. sample for free, but you should pay for the freight charge for the samples

 

4.payment term

 

a)30% TT upon placing order and 70% TT when the goods are finished but before shipment      or the payment can be 50% upon placing order,and balance 50%upon Copy B/L,.

 

b) L/C or D/P

 

5.  Detail Speicifications

 

 

 

Size	DN40 - DN1400
Design Standard	API 609
End flange	EN1092 ,ANSI 125/150# ,DIN2501
Face to face	EN 558-1, BS5155 , ISO 5752
Top flange	ISO 5211
Body	Ductile iron,Stainless steel,WCB
Disc	Ductile iron,CF8,CF8M,C95400,C95500
Stem	SS416,SS420,SS431,SS316
Seat	NBR,EPDM
Suitale medium	Sewage, Sea water, Air, Foodstuff and Oil