Name: Chinese Yk43X/F/Y high pressure steam pressure reducing valve
Brand: joto
Availability: InStock

Product Details

Chinese Yk43X/F/Y high pressure steam pressure reducing valve is mainly used for gas piping, such as air, nitrogen, oxygen, hydrogen, liquefied petroleum gas, natural gas and other gases.

I.Main technical parameter and performance index

Nominal pressure (Mpa)	1.6	2.5	4.0	6.4	10.0	16.0
Shell test pressure (Mpa)*	2.4	3.75	6.0	9.6	15.0	24
Seal test pressure (Mpa)	1.6	2.5	4.0	6.4	10.0	16.0
Highest inlet pressure Mpa)	1.6	2.5	4.0	6.4	10.0	16.0
Outlet pressure scope(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
Discharge characteristic deviation(Mpa)P2G	GB12246-1989
minimum differential pressure(Mpa)	0.15	0.15	0.2	0.4	0.8	1.0
Leakage quantity	X/F(teflon/rubber ):O Y(hard Seal ):GB12245-1989

*: Shell experiment not including diaphragm, roof panel

Main parts materials

part nme	parts materials
body Bonnet lower head	WCB/FCB*
seat valve seat	2Cr13/304*
cylinder line	2Cr13/25(hard plating)/304*
Piston	2Cr13/Cuprum Alloy /Cuprum Alloy *
piston ring	alloy cast iron /Gathers the benzene to the position*
Pilot seat Pilot Stem	2Cr13/304*
Diaphragm	1Cr18Ni9Ti
Main valve Spring	50CrVA
adjusting Spring	60Si2Mn
gasket (X/F)	rubber/teflon
Pilot body Pilot Bonnet	25/304*

Discharge coefficient(Cv)

DN	15	20	25	32	40	50	65	80	100	125	150	200	250	300	350	400	500
Cv	1	2.5	4	6.5	9	16	25	36	64	100	140	250	400	570	780	1020	1500


	out-form dimensions (PN1.6-4.0)	UNIT:mm

DN	out-form dimensions
	L		H	Hl
	1.6/2.5MPa	4.0MPa	H	Hl
15	160	180	290	90
20	160	180	300	98
25	180	200	300	110
32	200	220	300	110
40	220	240	320	125
50	250	270	320	125
65	280	300	325	130
80	310	330	365	160
100	350	380	365	170
125	400	450	475	200
150	450	500	475	210
200	500	550	515	240
250	650		560	290
300	800		705	335
350	850		745	375
400	900		780	405
450	900		730	455
500	950		835	465


	out-form dimensions (PN6.4-16.0)	mm

DN	out-form dimensions
	L		H	Hl
	6.4MPa	10.0/16.0MPa	H	Hl
15	180	180	300	100
20	180	200	310	105
25	200	220	31	120
32	220	230	310	120
40	240	240	335	135
50	270	300	335	135
65	300	340	340	140
80	330	360	380	170
100	380		380	185
125	450		490	215
150	500		490	225
200	550		535	260
250	650		580	310
300	800		725	355
350	850		765	395
400	900		800	435
500	950		855	495