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Yg13h/Y High-Sensitivity Steam Pressure Reducing Valve
Basic Info

Model No.:  YG13H/Y

Product Description Model NO.: YG13H/Y Connection: Flange Structure: Piston Valve: Pressure Reducing Valve Pressure: 150lb Trademark: YI CHEN Specification: CE API ISO HS Code: 8481804090 Temperature: Ordinary Temperature Valve Seat: Single-Seat Material: Wcb Size: 1"-20" Suitable Medium: Steam Transport Package: Plywood Case Origin: China YI CHEN Gas YG13H Pressure reducing valve
Structural characteristic and purpose his series reducing valve is pilot piston type reducing valve, mainly composed of main valve and pilot valve. The main valve consists f valve seat, main valve disc, piston, cylinder sleeve, and spring. The piston valve consists of valve seat, valve flap, membrane, spring nd adjusting spring. Set the outlet pressure through adjusting spring, sense the change of pressure of outlet with membrane, adjust the ow area of throttling part of main valve through open and close of pilot valve and drive the piston, to realize the function of reducing nd regulating valve.
he product made following improvement on the basis of normal pressure reducing valve, enlarge the piston area, change the throttle tructure, change the sealing manner, improve the pilot structure and manner of adjusting spring, thus to improve the performance of he product.
. 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.
.   Improve the distribution of flow line, reduce the noise.
.   Improve the structure of sealing surface; prolong the service life of sealing surface.
he product is mainly applied on steam piping, especially the steam piping with big change of pressure and flow.
material of main component                                                                  Ÿ      main technical parameters and indexes of performanc
Nominal pressure (Mpa) 1.0 1.6
Tested pressure of shell(Mpa) 1.5 2.4
Sealing test pressure (Mpa) 1.0 1.6
Max. inlet pressure (Mpa) 1.0 1.6
Pressure range of outlet(Mpa) 0.04-0.6 0.04-1.0
Difference  of  pressure  characteristic  (Mpa) △ GB12246-1989
Difference of flow characteristic (Mpa) △P2G GB12246-1989
Min.  differential pressure(Mpa) 0.05 0.07
Leakage quantity GB12245-1989
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
* the shell test does not include membrane and top cover.
 onnecting manner:
ange: RF FM RJ              standard: JB79 GB9113 ANSI B16.5
 Ÿflow coefficient (Cv)
DN 15 20 25 32 40 50 65 80
CV 1 2.5 4 6.5 9 16 25 36
YG43H/Y series connecting dimension                                    unit:mm
External dimension Connecting dimension
L H H1 PN 1.0Mpa PN 1.6Mpa
D K n-Φ d c D K n-Φ d c
15 140 160 65 95 65 4-14 45 12 95 65 4-14 45 14
20 140 160 65 105 75 4-14 55 14 105 75 4-14 55 14
25 150 168 68 115 85 4-14 65 14 115 85 4-14 65 14
32 180 185 75 135 100 4-18 78 16 135 100 4-18 78 16
40 180 185 78 145 110 4-18 85 16 145 110 4-18 85 16
50 200 193 88 160 125 4-18 100 16 160 125 4-18 100 16
65 230 208 98 180 145 4-18 120 18 180 145 4-18 120 18
80 260 228 117 195 160 4-18 135 18 195 160 8-18 135 20

1.Q:What is your main market?
A:Our main market is North America, South America, Eastern Europe, Southeast Asia, Africa, Mid East, Eastern Asia, Western Europe.
2.Q:Are there products standard?
A:Our model is standard, if you have specific demand, pls tell us.
3.Q:Do you have interest to do our own design items?
A:Absolutely!It's our pleasure.
Our Services
1)Our advantage:
We are the manufacturer with almost 20 years experience on valves.Best price,quality and service, Also we can control the production status.Shanghai YI CHEN team with strong ability in designing and after sell service.Cooperation with Carrier has improved our quality to a new level.
2)Terms of payment:T/T, L/C, Western union.
3)Shipment:Average 20-25days after receiving deposit.
4)Delivery:Shanghai/Ningbo ,by sea or air.
5)Gurantee:One year since delivery.
6)Inspection:100% testing for all the valves.
Welcome to choose SHANG HAI YI CHEN , we are always ready!


Contact us if you need more details on Prv. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Yg13h/Y Prv、Gas Valve. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Pressure reducing valve

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