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 thread 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、 Ductile Iron Gland Thick Wall Casting, replaceable O rings.
8、 Dust Guard to prevent impurities from entering the stem sealing system.
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.
Field of Application:
Size Range: DN40 and DN600
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 JIS B 2062 KS B 2332
Face to face dimensions according to JIS B2002
Hydraulic test according to JIS B2003、ISO 5208
Standard flange drilling to JIS B2239
MATERIAL LIST
Item No. | Part Name | Specification |
1 | Body | Ductile Iron FCD450 |
2 | Wedge | Ductile Iron FCD450 |
3 | Wedge Coating | EPDM/NBR |
4 | Wedge Nut | Copper Alloy |
5 | Stem | Stainless Steel SS410 |
6 | Bonnet Gasket | NBR /EPDM EN 681-1 |
7 | Bonnet | Ductile Iron GGG50 |
8 | O Ring Back Sealing | EPDM/NBR |
9 | Stem Washer | PEFE |
10 | Stem Collar | Stainless Steel / Copper Alloy |
11 | O-Ring | EPDM/NBR |
12 | O-Ring | EPDM/NBR |
13 | Gland Flange | Ductile Iron FCD450 |
14 | Dust Guard | EPDM/NBR |
15 | Hand Wheel | Ductile Iron FCD450 |
16 | Stem Nut | Ductile Iron FCD450 |
Dimensions (mm)
Size | L | D | D1 | b | n-d1 | H | H1 | W | W.T(kg ) |
DN50 | 180 | 155 | 120 | 16 | 4-19 | 250 | 320 | 180 | 12 |
DN80 | 240 | 185 | 150 | 18 | 8-19 | 300 | 370 | 200 | 16 |
DN100 | 250 | 210 | 175 | 18 | 8-19 | 350 | 420 | 250 | 26 |
DN150 | 280 | 280 | 240 | 22 | 8-23 | 450 | 520 | 280 | 45 |
DN200 | 300 | 330 | 290 | 22 | 12-23 | 550 | 620 | 320 | 70 |
DN250 | 380 | 400 | 355 | 24 | 12-25 | 650 | 720 | 350 | 106 |
DN300 | 400 | 445 | 400 | 24 | 16-25 | 710 | 780 | 380 | 150 |
DN350 | 430 | 490 | 445 | 26 | 16-25 | 762 | 832 | 450 | 216 |
DN400 | 406 | 560 | 510 | 28 | 16-27 | 836 | 906 | 450 | 282 |
DN450 | 432 | 620 | 565 | 30 | 20-27 | 957 | 1027 | 640 | 414 |
DN500 | 457 | 675 | 620 | 30 | 20-27 | 1036 | 1106 | 640 | 498 |
DN600 | 508 | 795 | 730 | 32 | 24-33 | 1188 | 1258 | 640 | 690 |