Automatic Cat Feeder,Puppy Slow Feeder,Pet Safe Feeder,Slow Feeder Bowl Ningbo Jiuxin International Trade Co., Ltd. , https://www.jxrubbergoods.com
1) It is a kind of pilot operated pressure reducing valve;
2) Especially be suitable for steam, and for water also;
3) Max. Inlet pressure: 16 bar, 25 bar
4) Outlet pressure (Springs Pressure setting range):
Yellow: 0.2 to 3 Bar
Blue: 2.5 to 7 bar
Red: 6 to 12 bar
5) Diameter: 15 - 200mm
6) Medium temperature: 0 ~ 280 C
7) Max. Inlet to outlet pressure: 20: 1
8) Body material: Cast steel (WCB)
Pressure Adjusment Spring: 60SI2Mn
Pilot Valve: Cast steel
Internal Strainer: Stainless Steel (1Cr18ni9Ti )
Body Gasket: Flexible graphite
Adjustment Screw & Locked Nut: Cast steel
Main Valve Spring: 50CrVA
Main Valve & Main Valve Seat: 2Cr13
Pressure Sensing pipe: Copper
9) As per Germany (DIN), ANSI, GB standards manufactured; Flanged connection as per PN-25, PN-16.
Technical specification                                                 Materials of main parts
Item
15
20
25
32
40
50
65
80
100
125
150
200
Â
Parts
Material
Resistance pressure (MPa)
2.5
Shell test pressure (MPa)
3.75
Body
WCB
Seal test pressure (MPa)
2.5
Cover
WCB
Max. inlet pressrure (MPa)
1.6
Seat
2Cr13
Outlet pressure range (MPa)
0.05~0.3(yellow spring)
0.25~0.7(blue spring)
0.6~1.2(red spring)Valve clack
2Cr13
Pressure characteristics derivation (MPa)
GB 12244
Pole
2Cr13
Flow characteristics derivation (MPa)
GB 12244
Diaphragm
1Cr18Ni9Ti
Leakage (ml/min)Â Â Â Â Â Â
GB 12245
Adjusting spring
60Si2Mn
Medium temp. (ºC)
-10~285
Kv.
2.8
5.5
8.1
12
17
28
45.5
60.1
93.3
146
180
300
Â