Big discounting Evacuation Valve - ZHD Series (Electric or Pneumatic) Minimum Flow Control Valve – Convista
Big discounting Evacuation Valve - ZHD Series (Electric or Pneumatic) Minimum Flow Control Valve – Convista Detail:
ZHD multistage cage control valve used multilevel cage symmetric sleeve contol valve. It complete control medium velocitywithin valve, and greatly reduced noise made by high pressure gas or steam within valve, stabile multistage pressure reducing reducing effective prevent liquid cavitation, so it’s the stable control valve used in high-pressure medium performance, customers can also select multi-spring disphragm mechanism or pneumatic actuators, etc.
Body type: Direct forging type valve
Nominal diameter: NPS1″-8″ (DN20, 25, 32, 40, 50, 65, 80, 100, 200)
Nominal pressure: CLASS 150, 300, 600, 900, 1500Lb, PN1.6, 2.5, 4.0, 6.4, 10.0, 16, 25MPa
End connection type: FF, RF, RTJ, etc, welding: SW, BW
Flange dimension: According to IEC534
Bonnet type: Standard type, lengthened (heat dissipation, low temperature, bellows sealing).
Packing: V type PTFE, flexible graphite gaskets
Sealing gasket: Metal with graphite gaskets
Actuator: Pneumatic, multi-spring actuator.
Electric: 3810L series, PSL series.
Valve disc type: Multistage cage sleeve type.
Flow characteristices: Equal percentage, linear.
Disc material: standard material composition and applicable temperature, pressure range, please refer to appendix.
Material and internal structure
Body material: carbon steel
| 1 | Seat | A105 | LF2 | F22 |
| 2 | Nut | 2H | 35 | 25Cr2Mo1VA |
| 3 | Stud | B7 | 40MnB | 25Cr2Mo1VA |
| 4 | Gasket | 316+graphite/PTFE | ||
| 5 | Body | A105 | LF2 | F22 |
| 6 | Seat | 304 | 304 | 304 |
| 7 | Steam | 304 | 304 | 304 |
| 8 | Stud | B7 | 40MnB | 25Cr2Mo1VA |
| 9 | Nut | 2H | 35 | 25Cr2Mo1VA |
| 10 | Gasket | 316+graphite/PTFE | ||
| 11 | Packing gasket | 304 | 304 | 304 |
| 12 | Stuffing | PTFE/Flexible graphite | ||
| 13 | Bonnet | A105 | LF2 | F22 |
| 14 | Pressing sleeve | 304 | 304 | 304 |
| 15 | Gland | A105 | LF2 | F22 |
| 16 | Stud | 2H | 40MnB | 25Cr2Mo1VA |
| 17 | Nut | B7 | 35 | 25Cr2Mo1VA |
Body material: stainless steel
| 1 | Seat | CF8 | CF8M | CF3M |
| 2 | Nut | 304 | 316 | 316L |
| 3 | Stud | 304 | 316 | 316L |
| 4 | Gasket | 316+graphite/PTFE | ||
| 5 | Body | CF8 | CF8M | CF3M |
| 6 | Seat | 304 | 316 | 316L |
| 7 | Steam | 304 | 316 | 316L |
| 8 | Stud | 304 | 316 | 316L |
| 9 | Nut | 304 | 316 | 316L |
| 10 | Gasket | 316+graphite/PTFE | ||
| 11 | Packing gasket | 304 | 316 | 316L |
| 12 | Stuffing | PTFE/Flexible graphite | ||
| 13 | Bonnet | CF8 | CF8M | CF3M |
| 14 | Pressing sleeve | 304 | 316 | 304 |
| 15 | Gland | CF8 | CF8M | CF3M |
| 16 | Stud | 304 | 316 | 316L |
| 17 | Nut | 304 | 316 | 316L |
Product detail pictures:
Related Product Guide:
We now have our own gross sales team, style and design workforce, technical crew, QC workforce and package group. We now have strict quality manage procedures for each system. Also, all of our workers are experienced in printing industry for Big discounting Evacuation Valve - ZHD Series (Electric or Pneumatic) Minimum Flow Control Valve – Convista, The product will supply to all over the world, such as: Eindhoven, Thailand, Mecca, With more and more Chinese products and solutions around the world, our international business is developing rapidly and economic indicators big increase year by year. We have enough confidence to supply you both better solutions and service, because we've been more and more powerful, specialist and experience in domestic and international.
By Judy from Uzbekistan - 2017.11.12 12:31
We are a small company that has just started, but we get the company leader's attention and gave us a lot of help. Hope we can make progress together!
By Bernice from Amman - 2018.09.12 17:18
