Design Features:
1、 Ductile Iron body and bonnet for high strength and impact resistance. Valve Body and Bonnet Fusion bonded epoxy coating for long life corrosion protection.Straight through full bore to avoid debris traps, small flow 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 bonnet bolts , Isolated fasteners for corrosion protection.
4、 Stainless steel stem with rolling threa d for high strength and corrosion resistance**.
5、 Back sealing facility to allow for replacement of seals under full operating pressure.
6、 Lower thrust washer to reduce friction.
7、 POM bushing for alignment, low torque operation.
8、 Replaceable O rings.
9、Dust Guard to prevent impurities from ntering the stem sealing system.
10 、Valve is supplied with hand wheel or are shaft with square cap; Small operation torque, easy opening and closing.
Field of Application：
Size Range: DN40 and DN300
Maximum Temperature: 80˚C
Allowable Operating Pressure:PN10、PN16、PN25
Gate valve for use in irrigation, general utility services, HVAC and water systems
Features：
Bolted Bonnet
Replaceable O-ring
Rubber encapsulated wedge, Brass Wedge Nut.
Fusion bonded epoxy coated inside and outside , blue RAL 5017 200 Micron thick
Working pressure from -1 to +16 Bar and working temperature from -10 to +80 ºC
Technical Specification：
Valve design according to EN 1171、DIN3352、EN 1074-1 and 2
Face to face dimensions according to EN 558-1 Series 14/15、 DIN3202 F4/F5
Standard flange drilling to EN 1092-2、ISO 7005-2
Hydraulic test according to EN 12266、ISO5208
MATERIAL LIST
| Item No. | Part Name | Specification |
| 1 | Body | Ductile Iron GGG50 |
| 2 | Wedge | Ductile Iron GGG50 |
| 3 | Wedge Coating | NBR /EPDM EN 681-1 |
| 4 | Wedge Nut | Copper Alloy |
| 5 | Stem | Stainless Steel X20 Cr13 |
| 6 | Bonnet Gasket | NBR /EPDM EN 681-1 |
| 7 | Bonnet | Ductile Iron GGG50 |
| 8 | O Ring Back Sealing | EPDM/NBR |
| 9 | Lubricant Gasket | PEFE |
| 10 | Stuffing Bushing | POM |
| 11 | O Ring | EPDM/NBR |
| 12 | O Ring | EPDM/NBR |
| 13 | Gland Bushing | Copper Alloy |
| 14 | Top Cover | Nylon |
| 15 | Dust Guard | EPDM/NBR |
| 16 | HandWheel | Ductile Iron GGG50 |
| 17 | Stem Cap | Ductile Iron GGG50 |
