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Lowest Price for Pneumatic Control Valve With Positioner - ZHD Series (Electric or Pneumatic) Minimum Flow Control Valve – Convista

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Lowest Price for Pneumatic Control Valve With Positioner - ZHD Series (Electric or Pneumatic) Minimum Flow Control Valve – Convista Detail:


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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.


Technical Parameters

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

ZHD series (electric or pneumatic) minimum flow control valve 1(1)

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

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Lowest Price for Pneumatic Control Valve With Positioner - ZHD Series (Electric or Pneumatic) Minimum Flow Control Valve – Convista detail pictures


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We always believe that one's character decides products' quality, the details decides products' high-quality ,together with the REALISTIC,EFFICIENT AND INNOVATIVE crew spirit for Lowest Price for Pneumatic Control Valve With Positioner - ZHD Series (Electric or Pneumatic) Minimum Flow Control Valve – Convista, The product will supply to all over the world, such as: Honduras, Russia, Sweden, We set a strict quality control system. We have return and exchange policy, and you can exchange within 7 days after receive the wigs if it is in new station and we service repairing free for our products. Please feel free to contact us for further information and we will offer you competitive price list then.
  • Good quality and fast delivery, it's very nice. Some products have a little bit problem, but the supplier replaced timely, overall, we are satisfied.
    5 Stars By Ellen from Hamburg - 2017.07.28 15:46
    It is really lucky to meet such a good supplier, this is our most satisfied cooperation, I think we will work again!
    5 Stars By Murray from United States - 2017.11.12 12:31

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