Hebei, China
Business Type:
Trading Company
Business Range:
Industrial Equipment & Components, Manufacturing & Processing Machinery, Office Supplies, ...
Year of Establishment:
Plant Area:
199.09 square meters
OEM/ODM Availability:
OEM/ODM Service
Sample Available

Steam Pressure Reducing Valve, Steam Trap, Thread Valve manufacturer / supplier in China, offering Y13h Pilot Piston Inner Thread Steam Pressure Reducing Valve, ASME/ANSI Stainless Steel 180 Degree Dn50 Sch40s Elbow, En1092-1 304L Blind Flange for Pipe Fittings and so on.

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Y13h Pilot Piston Inner Thread Steam Pressure Reducing Valve

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Min. Order: 1 Piece
Port: Tianjin, China
Production Capacity: 50000
Payment Terms: L/C, T/T, Western Union
Connection: Thread
Valve Seat: Double-Seat
Structure: Piston
Material: Wcb
Transport Package: Sack or as Required
Trademark: OEM

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Basic Info

Model NO.: Y13H
Origin: China

Product Description


Y13H internal thread pilot piston steam pressure reducing valve consists of two parts, the main valve and the pilot valve. The main valve is composed of valve seat, main valve disc, piston, cylinder, spring and other parts. The guide valve is composed of valve seat, valve clack, diaphragm, spring, regulating spring and other parts. By adjusting the pressure of the regulating spring, the outlet pressure is set, the pressure change of the diaphragm sensing outlet is exercised, and the flow field of the throttle part of the main valve is adjusted by the pilot valve opening and closing to drive the piston, so as to realize the decompression and voltage stabilizing function.
This product is important for steam pipeline, reducing pressure and stabilizing effect.

Important technical parameters & performance

nominal pressure(Mpa)1.62.5
shell body test pressure (Mpa)2.43.75
sealing test pressure(Mpa)1.62.5
highest inlet pressure(Mpa)1.62.5
outlet pressure range(Mpa)0.1-1.00.1-1.6
pressure characteristic error(Mpa)GB12246-1989
flow characteristic error(Mpa)GB12246-1989
min pressure difference0.150.15
Leakage volumeGB12245-1989

Shell test excludes diaphragm and upper cover.

Important parts material
parts nameparts material
valve body,bonnet, bottom coverWCB
valve seat,valve disk2Cr13
cylinder sleeve2Cr13/25(Hard chromium plating)
piston2Cr13/copper alloy
piston loopalloy cast iron
guide valve seat, guide valve rod2Cr13
Main valve spring50CrVA
guide valve main spring50CrVA
regulating spring60Si2Mn

Discharge coefficient(Cv)


Connection size

nominal dia DNGLHHl

Y13h Pilot Piston Inner Thread Steam Pressure Reducing Valve
Y13h Pilot Piston Inner Thread Steam Pressure Reducing Valve
Y13h Pilot Piston Inner Thread Steam Pressure Reducing Valve


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