Detailed De
1, Standards :. DIN3352 F4/F5 , BS5163 ,ANSI B16.34 , BS5150, AWWA
2, Material :
Body : |
Ductile Iron GGG500-7/Cast iron GG250 |
Wedge |
D/I , core fully vulcanized with NBR or EPDM rubber |
Wedge Nut : |
Brass |
Stem |
Stainless steel , BS970 431S29 or DIN17440x20Cr13 |
Gasket |
NBR |
Bonne |
GGG500-7 |
O ring |
NBR |
Washer |
Carbon steel or Stainless steel |
3, pression grade : PN10/PN16/PN25
Application
1 |
Face to face is according to DIN3202-F4 |
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2 |
Flange drilled is according to DIN2532/2533/2501 |
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Test |
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Working pressure |
PN10 |
PN16 |
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Shell pressure |
1.5MPa |
2.4MPa |
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Seat pressure |
1.1MPa |
1.76MPa |
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4,Size : DN10 to DN600
5, Type : flanged type, push-on type, mechanical joint type, plain ends type etc;
6, coating : fusion bonded epoxy coating inside and outside .
7 , package :
carton for each item |
wooden boxes outside |
as per customers’ requirements |
8. Certificate :
ISO9001 |
BV Product Conformity |
SGS certificate |
9 , Inspection
Foundry in-house |
Third Party inspection available upon request. |
10,Product advantage :
1. Ductile Iron body and bonnet for high strength and impact resistance. |
2. Ductile Iron wedge inside and outside fully rubberized with vulcanized EPDM or NBR, suitable for potable water. |
3. Rubber bonnet gasket for longevity and protection of bonner bolts, |
4. Stainless steel stem with rolling thread for high strength and corrosion resistance. |
5. Back sealing facility to allow for replacement of seals under full poeration pressure. |
6. Lower thrust washer to reduce friction. |
7. Ductile Iron gland thick wall casting. |
8. Dust guard to prevent impurities. |
9. Brass bushing for alignment, low torque operation. |
10. Stem nut assembled downward. |
11. Valve is supplied with hand wheel or bare shaft with square cap; Small operation torque, easy opening and closing. |