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Delco YK43XF Piston steam pressure reducing valve

Delco YK43XF Piston steam pressure reducing valve back

Delco YK43XF Piston steam pressure reducing valve left

Delco YK43XF Piston steam pressure reducing valve right

DELCO YK43XF Piston Steam Pressure Reducing Valve, DN15-DN300 Wide Size Piston Steam Reducer for Industrial Steam Systems

Model: YK43XF

Torque Range from 15Nm to 500Nm.
Valve type : 2-Ways & 3-Ways
Flange Standard: ANSI, JIS, DIN, GB are available.
Operating temperature (℃): -10~80/150℃(Rubber / PTFE)
Valve body, valve cover, seat cover: WCB/FCB

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Product Details

Dimension

YK43X/F 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 is mainly applied on gas piping, such as air, nitrogen, oxygen, hydrogen, liquefied gas, and natural gas.

Nominal pressure (Mpa)	1.6	2.5	4.0	6.4	10.0	16.0
Tested pressure of shell (Mpa)*	2.4	3.75	6.0	9.6	15.0	24
Sealing test pressure (Mpa)	1.6	2.5	4.0	6.4	10.0	16.0
Maximum upstream pressure P1 (Mpa)	≤1.6	≤2.5	≤4.0	≤6.4	≤10.0	≤16.0
Pressure range of outlet P2 (Mpa)	0.1 - 1.0	0.1 - 1.6	0.1 - 2.5	0.5 - 3.5	0.5 - 3.5	0.5 - 4.5
Pressure characteristic deviation (Mpa)△P2P	GB12246 - 1989
Flow Characteristics deviation (Mpa)P2G	GB12246 - 1989
Minimum differential pressure (Mpa)	0.15	0.15	0.2	0.4	0.8	1.0
Leakage	X/F(PTFE / rubber): O Y(Hard seal): GB12245 - 1989
Medium	Air, gas, liquefied petroleum gas, ammonia, nitrogen, oxygen, argon, helium, hydrogen, natural gas, etc.
Operating temperature (℃)	-10~80/150℃(Rubber / PTFE)
*: the shell test does not include membrane and top cover.

Name of component	Material of component
Valve body, valve cover, seat cover	WCB/FCB
Valve seat, valve disc	2Cr13/304
Cylinder sleeve	2Cr13/25(hard chrome plating)/304
Piston	2Cr13/copper alloy
Piston ring	Alloy cast iron/ polyphenyl
Piston ring	2Cr13/304
Membrane	1Cr18Ni9Ti
Spring of main valve and pilot valve	50CrVA
Adjusting valve	60Si2Mn
Sealing gasket (X/F model)	Rubber/PTFE
Pilot valve body, pilot valve cover	25/304

PN1.6~4.0MPa DN	External Dimension
	L		H	H1
	1.6/2.5MPa	4.0MPa	H	H1
15	160	180	305	95
20	160	180	305	95
25	180	200	305	95
32	200	220	305	95
40	220	240	330	110
50	250	270	330	110
65	260	280	330	110
80	310	330	355	155
100	350	380	355	155
125	400	450	420	200
150	450	500	420	200
200	500	550	475	230
250	650		510	280
300	800		560	320

delco yk43xf piston steam pressure reducing valve structural dimension drawing

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