Y44H pressure reducing valveDetailed product description：

Y44H pressure reducing valve belongs to direct acting bellows spring pressure reducing valve. It is mainly composed of bellows, regulating spring, valve seat, valve disc and other parts. The bellows is used to sense the downstream pressure of the valve and drive the valve disc to change and control the valve opening to achieve pressure reduction and stabilization function. Set the outlet pressure by adjusting the regulating bolt. Y44H direct acting bellows pressure reducing valve has sensitive and balanced pressure regulating and stabilizing actions, suitable for use in pipelines for gas and liquid media.

Main technical parameters and performance indicators of Y44H direct acting bellows pressure reducing valve:

Nominal pressure (Mpa)	zero point six	one	one point six
Shell test pressure (Mpa) *	zero point nine	one point five	two point four
Sealing test pressure (Mpa)	zero point six	one	one point six
Maximum import pressure (Mpa)	zero point six	one	one point six
Export pressure range (Mpa)	0.05-0.4	0.1-0.8	0.1-1.0
Pressure characteristic deviation (Mpa) △ P2P	GB12244-1989
Flow characteristic deviation (Mpa) △ P2G	GB12244-1989
Minimum pressure difference (Mpa)	zero point one	zero point one five	zero point one five
leakage volume	GB12245-1989
The shell test does not include bellows. When conducting the shell pressure test, the bellows component must be removed before proceeding.

The main component materials of Y44H direct acting bellows pressure reducing valve are:

Part Name	Part material
Valve body and valve cover	WCB
bottom cover	WCB
Valve seat disc	2Cr13
bellows	1Cr18Ni9Ti
Pad on corrugated pipe	2Cr13
Bottom gasket of corrugated pipe	2Cr13
guide seat	2Cr13
Main valve spring	50CrVA
Adjusting spring	60Si2Mn

Y44H direct acting bellows pressure reducing valve flow coefficient (Cv):

DN	fifteen	twenty	twenty-five	thirty-two	forty	fifty	sixty-five	eighty	one hundred
Cv	one	two point five	four	six point five	nine	sixteen	twenty-five	thirty-six	sixty-four

Y44H direct acting bellows pressure reducing valve connection size (PN0.6-1.6MPa):

Nominal diameter DN

Overall dimensions

L

H

H1

PN0.6MPa

PN1.0MPa

PN1.60MPa

D

K

n-ф

d

C

D

K

n-ф

d

C

D

K

n-ф

d

C

fifteen

one hundred and forty

one hundred and forty

two hundred and ninety

ninety

eighty

fifty-five

4-12

forty

twelve

ninety-five

sixty-five

4-14

forty-five

twelve

ninety-five

sixty-five

4-14

forty-five

fourteen

twenty

one hundred and forty

one hundred and forty

two hundred and ninety-five

ninety-eight

ninety

sixty-five

4-12

fifty

twelve

one hundred and five

seventy-five

4-14

fifty-five

fourteen

one hundred and five

seventy-five

4-14

fifty-five

fourteen

twenty-five

one hundred and sixty

one hundred and sixty

two hundred and ninety-five

one hundred and ten

one hundred

seventy-five

4-12

sixty

fourteen

one hundred and fifteen

eighty-five

4-14

sixty-five

fourteen

one hundred and fifteen

eighty-five

4-14

sixty-five

fourteen

thirty-two

one hundred and eighty

one hundred and eighty

two hundred and ninety-five

one hundred and ten

one hundred and twenty

ninety

4-14

seventy

fourteen

one hundred and thirty-five

one hundred

4-18

seventy-eight

sixteen

one hundred and thirty-five

one hundred

4-18

seventy-eight

sixteen

forty

two hundred

two hundred

three hundred and twenty-five

one hundred and twenty-five

one hundred and thirty

one hundred

4-14

eighty

fourteen

one hundred and forty-five

one hundred and ten

4-18

eighty-five

sixteen

one hundred and forty-five

one hundred and ten

4-18

eighty-five

sixteen

fifty

two hundred and thirty

two hundred and thirty

three hundred and twenty-five

one hundred and twenty-five

one hundred and forty

one hundred and ten

4-14

ninety

fourteen

one hundred and sixty

one hundred and twenty-five

4-18

one hundred

sixteen

one hundred and sixty

one hundred and twenty-five

4-18

one hundred

sixteen

sixty-five

two hundred and eighty

three hundred and twenty-five

one hundred and thirty

one hundred and sixty

one hundred and thirty

4-14

one hundred and ten

fourteen

one hundred and eighty

one hundred and forty-five

4-18

one hundred and twenty

eighteen

one hundred and eighty

one hundred and forty-five

4-18

one hundred and twenty

eighteen

eighty

three hundred and ten

three hundred and eighty

one hundred and sixty

one hundred and eighty-five

one hundred and fifty

4-18

one hundred and twenty-five

sixteen

one hundred and ninety-five

one hundred and sixty

4-18

one hundred and thirty-five

eighteen

one hundred and ninety-five

one hundred and sixty

8-18

one hundred and thirty-five

twenty

one hundred

three hundred and fifty

three hundred and eighty

one hundred and seventy

two hundred and five

one hundred and seventy

4-18

one hundred and forty-five

sixteen

two hundred and fifteen

one hundred and eighty

8-18

one hundred and fifty-five

twenty

two hundred and fifteen

one hundred and eighty

8-18

one hundred and fifty-five

twenty

Connection type: ※ Flange type: RF FF ※ Execution standard: JB79 GB9113 ANSI B16.5