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is a manufacturer with strong strength and rich production experience. It has many years of pilot operated pressure relief valve manufacturing experience. The pilot operated pressure relief valve produced is fine in workmanship, excellent in performance, affordable, and reliable in quality. Compared with other similar products, the comprehensive cost performance is higher .

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Products Details

Over the years, SHSUOTE Valve has been offering customers high-quality products and efficient after-sales services with the aim of bringing unlimited benefits for them. pilot operated pressure relief valve We have been investing a lot in the product R&D, which turns out to be effective that we have developed pilot operated pressure relief valve. Relying on our innovative and hard-working staff, we guarantee that we offer customers the best products, the most favorable prices, and the most comprehensive services as well. Welcome to contact us if you have any questions.pilot operated pressure relief valve It has superior performance, reliable quality, long service life and wide application range. It is widely used in pipelines in various working conditions such as petroleum, chemical, pharmaceutical, chemical fertilizer, and electric power industries.

In the past months,Shanghai Suote Valve Co.,Ltd. has been devoted to serious design and innovative development of the new product. It is officially called Pressure Reduce /Presure Relief/Pressure Control Valve and releases to the market since today. The Pressure Reduce /Presure Relief/Pressure Control Valve launched by the company are made using the company's newly developed advanced technology, which perfectly solves the long-standing pain points of the industry. In the future, Shanghai Suote Valve Co.,Ltd. will focus on technological innovation, continuously improve service quality and develop better products, and is committed to providing customers with products and services that exceed expectations.

Product Description

1.Products details

01.Description
Pressure relief valve is composed of hydraulic control valve main valve and pressure relief guide valve. It is a commonly used pressure control valve to control the opening and closing of main valve through the opening and closing of guide valve.The valve is suitable for the water supply network or building water supply system to relieve pressure, so that the system pressure is not higher than the valve set pressure value, to ensure the safety of the system pipeline or to maintain the minimum water supply pressure of the pipeline in front of the valve.

02.Main parts&material

No.	Part	Material	China stardard
1	body	ductile iron	QT450-10
2	bonnet	ductile iron	QT450-10
3	Seat ring	stainless steel	ZG1Cr18Ni9
4	Yoke	ductile iron	QT450-10
5	Stem	stainless steel	20Cr13
6	Spring	stainless steel	1Cr18Ni9
7	Diaphragm	rubber	NBR+Reinforced nylon
8	Ball seat	rubber	NBR
9	Pipe fitting	brass/stainless steel	HPb59-1/0Cr18Ni9
10	Pilot Relief Valve	brass	HPb59-1

03.Features
001.Hydraulic control, no external driving force.
002.The main valve has only one moving part and the failure rate is low.
003.Diaphragm structure, no friction, high control sensitivity.
004.The pressure behind the valve does not change with the change of the pressure in front of the valve.
005.The pressure behind the valve does not change with the change of system flow;
006.Good static pressure reduction effect;
007.Wide range of pressure regulation after valve;

04.Dimensions

DN	L	ØD			ØK			H	N-Ød			ØB
DN	L	PN10	PN16	PN25	PN10	PN16	PN25	H	PN10	PN16	PN25	PN10	PN16	PN25
50	230	165	165	165	125	125	125	177	4-Ø19	4-019	4-019	Ø99	Ø99	Ø99
65	290	185	185	185	145	145	145	202	4-Ø19	4-019	8-019	Ø118	Ø118	Ø118
80	310	200	200	200	160	160	160	219	8-Ø19	8-Ø19	8-019	Ø132	Ø132	Ø132
100	350	220	220	235	180	180	190	243	8-Ø19	8-Ø19	8-Ø23	Ø156	Ø156	Ø156
125	400	250	250	270	210	210	220	243	8-Ø19	8-Ø19	8-Ø28	Ø156	Ø156	Ø156
150	480	285	285	300	240	240	250	333	8-Ø23	8-Ø23	8-Ø28	Ø211	Ø211	Ø211
200	600	340	340	360	295	295	310	428	8-Ø23	12-Ø23	12-Ø28	Ø266	Ø266	Ø274
250	730	405	405	425	350	355	370	478	12-Ø23	12-Ø28	12-Ø31	Ø319	Ø319	Ø330
300	850	460	460	485	400	410	430	538	12-Ø23	12-Ø28	16-Ø31	Ø370	Ø370	Ø389
*350	980	520	520	555	460	470	490	550	16-Ø23	16-Ø28	16-Ø34	Ø429	Ø429	Ø448
NOTE: 1. *DN 125/350 use same internal as DN100/300 2. AISI 304 factory standard material, consult factory for AISI 316 material

05.Execution standard

Design standard	CJ/T219, JB/T10674
Connection standard	GB/T17241.6
Face spacing standard	GB/T12221
Inspection testing standard	GB/T13927

06.Technical parameters

Nominal diameter	DN50~DN250(2"~10") PN10 DN50~DN250(2"~10") PN16 DN50~DN200(2"~8") PN25
Nominal pressure	0.3MPa~1.7MPa 1.7MPa~2.1MPa
Operating temperature	0°C~85°C
Seal test	1.1PN
Shell test	1.5PN
Suitable medium	Water

07.Operating principle
The relief/holding valve is composed of the hydraulic control valve main valve and relief guide valve, controlling the opening and closing of the main valve through the opening and closing of the guide valve.
The relief guide valve is connected to the front end of the main valve through a copper pipe to sense the pressure in the front end.When the pressure at the front end is greater than the set pressure value of the valve, the pressure relief guide valve is opened and the upper chamber of the main valve is drained outward to open the pressure relief valve.When the pressure at the front end is less than the set pressure value of the valve, the pressure relief guide valve will be closed and the upper chamber of the main valve will stop draining water to the outside, so that the main valve will gradually close and achieve zero leakage.The valve setting pressure value can be adjusted through the adjusting screw on the relief guide valve.

2.Factory tour

3.FAQ

Q1.How about your delivery time?
A. Commonly, it is 5-10 days if in enough stock. It will takes about 20-30 days after receiving the deposit, the delivery time depends on the items and the order quantity.

Q2: Are you trading company or manufacturer ?
A: We are a manufacturer of hydraulic control valve,gate valve,butterfly valve,check valve,pressure reducing valve and other valve parts for Water plant, secondary water supply, municipal pipe network, reservoir, garbage treatment plant, subway and other industries in municipal engineering;Petrochemical, steel plant, power plant, shipbuilding and paper-making, bio-pharmaceutical, etc

Q3: Can you produce according to our own drawings?
A: Yes, please send your own drawing draft to us.OEM items are welcome.

Q4: Do you provide samples ? is it free or extra ?
A: Yes, we'd like to offer the sample for free charge but the freight will be on your charge.

Q5: Do you have agent or representative abroad?
A: We don't have any agents abroad up to now. If you have interests to join us as agent and enjoy more discounts.Just feel free to contact us then we can discuss more details.

Q6: Can we print the LOGO on products?
A: Yes, the OEM is available with the permission of our customers.

Q7. what is your payment term?
A: T/T or L/C,if you want any other way,please contact us.

Q8: what is your main market?
A:Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe,  North America, South America, and so on.

Q9: If products have some quality problem, how will you deal with?
A: We will be responsible for all the quality problems.

Q10: What can I get from cooperating with SUOTE VALVE?
A:   1. Special valves, with customized service.
     2. Timely production and delivery, time is money.
     3. Market protection service, long term business strategy.

More info pls just feel free to contact:
Stephen Sun|Sales Manager
Shanghai Suote Valve Co.,Ltd.
Add:No. 369,Maoting Road,Chendun Town,Songjiang District,Shanghai.
Tel:+86 21 57711803  Fax:+86 21 57877055

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