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RP-6 high-sensitivity steam pressure reducing valve

  • RP-6 high-sensitivity steam pressure reducing valve

RP-6 high-sensitivity steam pressure reducing valve is pilot piston type pressure reducing valve mainly used for steam.

Details

 

Structural characteristic and purpose of RP-6 high-sensitivity steam pressure reducing valve
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 and indexes of performance of RP-6 high-sensitivity steam pressure reducing valve

Product: RP-6 high-sensitivity steam pressure reducing valve 
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 for RP-6 high-sensitivity steam pressure reducing valve

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 dimension of RP-6 high-sensitivity steam pressure reducing valve

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
Keywords: RP-6 high-sensitivity steam pressure reducing valve, pressure reducing valve, Steam pressure reducing valve

 

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