- Model NO.: DN40-DN350
- Material: Cast Iron
- Pressure: Low Pressure
- Seal Surface: Soft
- Usage: Regulation, Safety, Temperature Control, Flow Control
- Application: Industrial Usage, Water Industrial Usage, Household Usage
- Temperature: Less 80 Degree
- Structure Length: DIN3202f4/F5
- Transport Package: Packed by Ply Wooden Case
- Origin: China
- Type: Straight-through
- Connection Form: Flange
- Actuator: Manual
- Thread Position of Valve Rod: Inside Gate Valve
- Standard: DIN
- Medium: Water , Gas ,Oil
- Connect Flange: DIN2501
- Trademark: GHL
- Specification: ASTM, ANSI. API, DIN, JIS
- HS Code: 8481804090
Disc: Ductile iron with EPDM/NBR
1. Ductile Iron body and bonnet for high strength and impact resistance.Â
Valve body and bonnet fusion bonded epoxy coating for long life corrosion protection.Â
Straight through full bore to avoid debris traps, small flow resistance.Â
2. Ductile Iron wedge inside and outside fully rubberized with vulcanized EPDM or NBR, suitable for potable water.Â
3. Rubber bonnet gasket for longevity and protection of bonner bolts,Â
Isolated fasteners for corrosion protection.Â
4. Stainless steel stem with rolling thread for high strength and corrosion resistance.Â
5. Back sealing facility to allow for replacement of seals under full poeration pressure.Â
6. Dust guard to prevent impurities.Â
7. Valve is supplied with hand wheel or bare shaft with square cap; Small operation torque, easy opening and closing.Â
1) Body and bonnet: cast iron, ductile cast ironÂ
2) Disc: ductile cast iron coated with EPDMÂ
3) Bonnet: ductile cast ironÂ
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 |
 Â
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 |
  |

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Dongguan Tielangtou Hardware Products Co., Ltd , https://www.tlthardware.com