Y14H/F type bellows pressure reducing valveDetailed product description：

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

Nominal pressure Mpa	one point six
Shell test pressure Mpa	two point four
Sealing test pressure Mpa	one point seven six
Maximum import pressure Mpa	one point six
Export pressure range Mpa	0.05-1.0
Pressure characteristic deviation Mpa △ P2P	GB12244-1989
Flow characteristic deviation Mpa △ P2P	GB12244-1989
Minimum pressure difference Mpa	zero point one five
leakage volume	GB12244-1989
Applicable Medium	Water, steam, air, liquid
Operating Temperature	≤220℃

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 Y14H/F type bellows pressure reducing valve are:

Part Name	Part material
Valve body and bottom cover	CF8
valve cover	Casting aluminum alloy/CF8
valve stem	2Cr13
valve seat	2Cr13
steel ball	2Cr13
bellows	1Cr18Ni9Ti
handwheel	Heat-resistant plastic
Main valve spring	50CrVA
Adjusting spring	60Si2Mn

Connection size of Y14H/F type bellows pressure reducing valve:

Caliber size	L	H	H1	G
DN15	eighty-five	one hundred and forty	fifty-two	1/2 "
DN20	ninety-five	one hundred and forty-three	fifty-five	3/4 "
DN25	one hundred and five	one hundred and forty-six	fifty-eight	1 "