VENN High-Sensitivity Steam Pressure Reducing Valve
Quantity : 1
Structural Characteristic&Purpose.
This series reducing valve is pilot piston type reducing valve, mainly composed of main valve and pilot valve. The main valve consists of valve seat, main valve disc, piston, cylinder sleeve, and spring. The piston valve consists of valve seat, valve flap, membrane, spring and adjusting spring. Set the outlet pressure through adjusting spring, sense the change of pressure of outlet with membrane, adjust the flow area of throttling part of main valve through open and close of pilot valve and drive the piston, to realize the function of reducing and regulating valve. The product made following improvement on the basis of normal pressure reducing valve, enlarge the piston area, change the throttle structure, change the sealing manner, improve the pilot structure and manner of adjusting spring, thus to improve the performance of the product.
1. Improve the sensing effect to outlet pressure change, increase the sensitivity, greatly reduce the pressure deviation caused by upper stream pressure change and flow change.
2. Improve the distribution of flow line, reduce the noise.
3. Improve the structure of sealing surface; prolong the service life of sealing surface.
The product is mainly applied on steam piping, especially the steam piping with big change of pressure and flow.
Main Technical Parameters&Indexes Of Performance.
Pressure Rating: 1.0- 1.6Mpa
Specification: DN15-80
Material: Steel WCB
Standard flanges: DIN, ANSI, JIS
Nominal pressure | PN1.0Mpa | PN1.6Mpa |
Tested pressure of shell | 1.5Mpa | 2.4Mpa |
Sealing test pressure | 1.0Mpa | 1.6Mpa |
Maximum upstream pressure | 1.0Mpa | 1.6Mpa |
Pressure range of outlet | 0.04-0.6Mpa | 0.04-1.0Mpa |
Minimum differential pressure | 0.05Mpa | 0.07Mpa |
Medium | Steam. | |
Operating temperature | 425 |
*the shell test does not include membrane and top cover.
Material Of Main Component.
Name of component | Material of component |
Valve body, valve cover, seat cover | WCB |
Valve seat, valve flap | 2Cr13 |
Cylinder sleeve, Piston | Ampco |
Membrane | PH15-7Mo |
Piston ring | polyphenyl |
Pilot valve seat, pilot valve rod | 2Cr13 |
Spring of main valve | 50CrVA |
Main spring of pilot valve | 50CrVA |
Adjusting spring | 60Si2Mn |
Connecting Dimensions. ?
DN | external dimension | ||
L | H | H1 | |
15 | 140 | 160 | 65 |
20 | 140 | 160 | 65 |
25 | 150 | 168 | 68 |
32 | 180 | 185 | 75 |
40 | 180 | 185 | 78 |
50 | 200 | 193 | 88 |
65 | 230 | 208 | 98 |
80 | 260 | 228 | 117 |
Our Services
Pre-sale service:
1.We have full stock and can deliver within short time.
2.OEM and ODM order are accepted, Any kind of logo printing or design are available.
3.Good Quality + Factory Price + Quick Response + Reliable Service, is what we are trying best to offer you.
4.All of our products are produced by our professional workman and we have our high-work-effect foreign trade team, you can totally believe our service.
After you choose:
1. We will count cheapest shipping cost and make invoice to you at once.
2. Check quality again, then send out to you at 1-2 working day after your payment
3. Email you the tracking no., and help to chase the parcels until it arrive you.
After-sale service:
1.We are very glad that customers give us some suggestion for price and products.
2.If you have any question,please contact us freely by E-mail or Telephone.
Attn: Ellison Yue.
Tex: 86-577-57789960.
Fax: 86-577-57789962.
Mobile: +86-138-6862-9071.
Contact : Ellison Yue, 86 0577 57789960
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