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Wenzhou Y43h Pilot Piston Type Steam Pressure Reducing Valve

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Goole Valve technology Co., Ltd.

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Zhejiang, China
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Product Detail

Model NO.:

GAY43H

Certification:

ISO

Temperature:

Ordinary Temperature

Connection:

Flange

Valve Seat:

Single-Seat

Structure:

Piston

Material:

C.S

Model No:

Gay43h

Size:

1/2"-20"

Category:

Pressure Reducing Valve

Connecting Type:

Flange

Medium:

Steam., etc

Working Temperature:

Below 300 Deg C

Usage:

Pressure Reducing

Application:

Steam Pipelines.

Trademark:

GOOLE, OEM

Transport Package:

Carton, Plywood Case

Specification:

ISO 9001

Origin:

China(Mainland)

HS Code:

8481804090

Product Description

Y43H Pilot piston type steam pressure reducing valve

Brief Introduction.

This series reducing valve is pilot piston type reducing valve for steam, 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 steam piping, to reduce and regulate the pressure.

Field of Application.

Product Name: Y43H-GVPR09 Pilot Piston type Steam Pressure Reducing Valve.
Pressure Rating: 1.6- 16.0 Mpa.
Nominal Diameter: DN15-500 mm.
Material: Steel WCB, CF8.
Standard flanges: DIN, ANSI, JIS.

Material of Main Component.

Name of component	Material of component
Valve body, valve cover, seat cover	WCB/FCB*
Valve seat, valve disc	2Cr13/304*
Cylinder sleeve	25 (hard chrome plating)/304*
Piston	2Cr13 /copper alloy*
Piston ring	Alloy cast iron/ polyphenyl*
Pilot valve seat, pilot valve rod	2Cr13/304*
Membrane	1Cr19Ni9Ti
Spring of main valve and pilot valve	50CrVA
Adjusting valve	60Si2Mn

Main External Dimensions.

DN	External Dimension				DN	External Dimension
	L		H	H1		L		H	H1
	1.6/2.5 Mpa	4.0 Mpa	H	H1		6.4 Mpa	10.0/16.0 Mpa	H	H1
15	160	180	295	90	15	180	180	305	100
20	160	180	330	98	20	180	200	340	105
25	180	200	330	110	25	200	220	340	120
32	200	220	330	110	32	220	230	340	120
40	220	240	345	125	40	240	240	355	135
50	250	270	345	125	50	270	300	355	135
65	280	300	350	130	65	300	340	360	140
80	310	330	385	160	80	330	360	395	170
100	350	380	385	170	100	380	380	400	185
125	400	450	400	200	125	450	450	415	215
150	450	500	415	210	150	500	500	430	225
200	500	550	475	240	200	550	550	495	260
250	650	650	525	290	250	650	650	545	310
300	800	800	580	335	300	800	800	600	355
350	850	850	620	375	350	850	850	640	395
400	900	900	660	405	400	900	900	690	435
450	900	900	730	455	450
500	950	950	750	465	500	950		780	495

Main Technical Parameters and Indexes of Performance.

Nominal pressure	PN1.6Mpa	PN2.5Mpa	PN4.0Mpa	PN6.4Mpa	PN10.0Mpa	PN16.0Mpa
Tested pressure of shell	2.4Mpa	3.75Mpa	6.0Mpa	9.6Mpa	15.0Mpa	24.0Mpa
Sealing test pressure	1.6Mpa	2.5Mpa	4.0Mpa	6.4Mpa	10.0Mpa	16.0Mpa
Maximum upstream pressure	1.6Mpa	2.5Mpa	4.0Mpa	6.4Mpa	10.0Mpa	16.0Mpa
Pressure range of outlet	0.1-1.0Mpa	0.1-1.6Mpa	0.1-2.5Mpa	0.5-3.5Mpa	0.5-3.5Mpa	0.5-4.5Mpa
Minimum differential pressure	0.15Mpa	0.15Mpa	0.2Mpa	0.4Mpa	0.8Mpa	1.0Mpa
Medium	steam
Operating temperature	425

*the shell test does not include membrane and top cover.

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

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