Disc: Ductile iron with EPDM/NBR
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 bonner 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 poeration pressure.
6. Dust guard to prevent impurities.
7. Valve is supplied with hand wheel or bare shaft with square cap; Small operation torque, easy opening and closing.
1) Body and bonnet: cast iron, ductile cast iron
2) Disc: ductile cast iron coated with EPDM
3) Bonnet: ductile cast iron
4) Stem: 2Cr13 / 420S
Seat Sealing Gate Valve design parameters |
Name |
Materials |
Valve board |
Gray cast iron, ductile iron, cast steel |
Gateway board |
Ductile iron coated with EPDM or nitrile rubber |
Within the hexagonal bolts |
Carbon of handling |
Seal ring |
Buna |
Bonnet |
Gray cast iron, ductile iron, cast steel |
Valve rod |
Stainless steel |
"O" ring sealed circle |
Buna |
Thrust Bearing |
Tin bronze |
Bolts |
Stainless steel |
Pressure cap |
Ductile iron, cast steel |
Dust cover |
Buna |
Hand wheel (the drive cap) |
Cast iron |
DN |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
350 |
400 |
450 |
500 |
600 |
L |
178 |
190 |
203 |
229 |
254 |
267 |
292 |
330 |
356 |
381 |
406 |
432 |
457 |
508 |
H |
313 |
332 |
372 |
424 |
497 |
562 |
680 |
837 |
948 |
1010 |
1220 |
1280 |
1480 |
1665 |
H1 |
355 |
375 |
415 |
476 |
540 |
600 |
720 |
875 |
990 |
1050 |
1245 |
1310 |
1560 |
|
Tianjin Golden Hugeline Co., Ltd., located in Tianjin city, is one of the biggest steel groups. Golden Hugeline Group are specialized in producing and exporting all kinds of steel pipe and fittings, flanges, valves in China. Our group is established in 1995 and We have over 15 years' Experience in steel market.
Our group have four branches. The factories of steel pipe and pipe fitting are located in Hebei Province, one flange factory is located in Shanxi Province, and the last one is our sea shipping company in Tianjin. Our main products are pipe fittings, pipes, flanges, valves and so on. We can manufacture according to ANSI/ASTM, JIS, DIN, API, GOST and non-standard. The sizes are 1/2" up to 72" for pipe fittings, 1/2" up to 32" for flanges, 1/2" up to 24" for pipes, 1/2"up to 24" for valves.
Our products have been widely used in many projects. Also we are a good supplier of SGS and have passed ISO, API, TUV, EC and so on. Till now, we have exported to Vietnam, British, Sweden, Japanese, Korea, India, Brazil, Germany, Africa and Middle East counties. We have good reputation from our customers and have long term cooperation with them.
We sincerely hope to cooperate with new and old friends and warmly welcome you to visit our factory.
