Pressure Relief/Sustaining Flow Control Hydraulic Control Valve Pn10/16/25
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Product Highlights
- Hydraulic Pilot Control: Automatically maintains constant upstream pressure with fast opening and gradual closing to prevent surges.
- Multi-Function Capability: Supports pressure relief, pressure sustaining, back pressure, and unloading functions in bypass systems.
- Premium Material Construction: Features Ductile Iron/Stainless Steel body, SS304 spring, and NBR/EPDM seals for durability.
- Corrosion Protection: Epoxy resin coating applied to 300 microns on both inside and outside surfaces.
- OEM/ODM Service: Company accepts OEM and ODM orders for customized hydraulic control valve solutions.
- Flexible Pressure Ratings: Available in PN10, PN16, and PN25 pressure rates to suit various system requirements.
- Standardized Connections: Flanged connections compliant with EN1092.2, ISO 7005-2, ANSI, JIS, and AS2129 standards.
- Easy Pressure Adjustment: Pressure settings can be easily changed by adjusting the screw on top of the pilot.
Product Attributes
- Customization
- Available
- Name
- Pressure Relief Valve
- Body
- Ductile Iron, Stainless Steel
- Model NO.
- F8050
- Trim
- Stainless Steel
- Diaphgram
- Nylon+EPDM
- Seat
- Ss/ Bronze
- Seal Rings
- NBR/EPDM
- Piolt
- Brass or Stainless Steel
- Pipes/Tubes
- Copper or Stainless Steel
- Pressure Rate
- Pn10/16/25
- Coating
- Epoxy Resin Coated to 300 Microns Inside & Outside
- Transport Package
- Bubble Bags and Wooden Case
- Specification
- TUV
- Trademark
- WALTER
- Origin
- Suzhou, Jiangsu
- HS Code
- 8481801090
- Production Capacity
- 800 Sets Per Month
- Package Size
- 90.00cm * 90.00cm * 90.00cm
- Package Gross Weight
- 15.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Pressure Relief/Sustaining Flow Control Hydraulic Control Valve Pn10/16/25
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Product Description
| Pressure Relief Valve |
Pressure Sustaining/Relief Valve is a hydraulically operated, pilot-controlled, modulating valve designed to maintain constant upstream pressure within close limits. This valve can be used for pressure relief, pressure sustaining, back pressure, or unloading functions in a by-pass system.
In operation, the valve is actuated by line pressure through a pilot control system, opening fast to maintain steady line pressure but closing gradually to prevent surges. Operation is completely automatic and pressure settings may be easily changed by adjusting screw on top of the pilot.
1. Body/Bonnet: GGG50
2. Spring: SS304
3. Stem: SS / Bronze
4. Disc Retainer: DI/SS/Bronze
5. Seat: SS/Brass/Bronze
6. Seal Rings: NBR/EPDM
7. Pilot: Stainless Steel or Brass
8. Pipe or Tubes: Coppe or Stainless Steel
9. Working Pressure: PN10/16/25
10. Connection: Flanged acc. To EN1092.2, ISO 7005-2, ANSI/JIS/ AS2129
11. Epoxy Resin Coated to 300 microns inside & outside
12. With Anti-cavitation (Trim) Solution






WALTER-FSV Company professional produce and supply kinds of Automatic Hydraulic Control Valves, Float Control Valve, Pressure Reducing Valve, Slow Check Valve, Pressure Relief Valve, Soleniod Control Valve.
WALTER-FSV Company accept OEM /ODM orders. and welcome for your calling or emails.
About the Supplier
Company Profile
Suzhou Walter Flow Control Equipment Co., Ltd. Are a professional company specializing in fluid & firefighting equipment.
We do, and always will, fashion our long time business relationships from advanced technology, excellent quality and good service.
Walter Flow Control supplies products with FM, UL, CE and all other relevant certificates for use in Water Reticulation and Treatment Systems, Fire-fighting Projects, High Rise Buildings, the Oil, Gas and Chemical Industries etc.
Company Products:
Valves: Gate Valve, Butterfly Valve, Check Valve, Automatic Hydraulic Control Valve, Air Release Valve, Globe Valve, Ball Valve, Strainer, Pipeline products, etc.
Firefighting: Fire Sprinklers, Wet Alarm Check Valve, Deluge Valve, Water Flow Detector, Foam Extinguisher System, Gas Extinguisher System and Fire Hydrant System, Fire Hose, Fire Hose Reel, Fire Monitor, etc.
Standard & Certificates:
Walter products are design acc. To DIN, BS, ANSI, AWWA, EN, ISO, AS, API standard and relevant products can be provided with FM approval, UL listed, CE certificates.
Company Philosophy:
Processing every enquiry efficiently
Treating every order seriously
Serving every customer considerately
Choose us, reap success
About Our Factory & Business Background
- Address
- No. 11666, East Taihu Avenue, Wujiang District, Suzhou, Jiangsu, China
- Terms of Payment
- LC, T/T, Western Union, Money Gram
- International Commercial Terms(Incoterms)
- FOB, CFR, CIF, EXW
- Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays - Nearest Port
- SHANGHAI
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 2017-05-16
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- What are the main functions of this valve?
- It is designed for pressure relief, pressure sustaining, back pressure, and unloading functions in a by-pass system.
- How does the valve operate?
- It is hydraulically operated and pilot-controlled, actuated by line pressure to open fast and close gradually, preventing surges.
- What materials are used for the body and trim?
- The body is made of Ductile Iron or Stainless Steel, with trim options including Stainless Steel, Brass, or Bronze.
- Is customization available?
- Yes, the company accepts OEM and ODM orders for customized hydraulic control valves.
- What is the lead time for production?
- Peak season lead time is one month, while off-season lead time is within 15 workdays.
- What payment terms are accepted?
- Payment terms include LC, T/T, Western Union, and Money Gram.
- What is the coating specification?
- The valve is coated with Epoxy Resin to 300 microns on both the inside and outside surfaces.
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