Best Relief Valve Manufacturers Suppliers
Guangzhou Sailfish Machinery&Equipment Co., Ltd.
🇨🇳 China
201511-50 peopleManufacturer/Trading CompanyLow MOQ
Product customization
OEM manufacturer
ODM manufacturer
Shipments
2467
Key customer
INFRA ENGINEERS
Key market
North America
Review
4.8
Doosan Daewoo Dh150 Relief Valve$65
Yc85 Relief Valve for Excavator$145
Doosan Daewoo Dh500 Main Relief Valve$110
Yc85 Unloading Relief Valve for Excavator$145
Zax450 Relief Valve for Hitachi Excavator$135
E200b Relief Valve for Cat Excavator$100
E320d Relief Valve for Cat Excavator$100
Sh465 Relief Valve for Sumitomo Excavator$135
Yc85 Main Relief Valve for Excavator$145
Doosan Daewoo Dh80 Main Relief Valve$65
Ex450 Relief Valve for Hitachi Excavator$100
PC55 Relief Valve for Komatsu Excavator$140
Ningbo Euler Hydraulics Co., Ltd.
🇨🇳 China
201111-50 peopleManufacturer/Trading CompanyProduct customization
OEM manufacturer
ODM manufacturer
Shipments
5
Key customer
BARSAT ENGINEERING
Key market
North America
Description
Ningbo Euler Hydraulics Co., Ltd. is a specialized manufacturer and trading company based in Ningbo, China, focused on electro-hydraulic control solutions. Established in 2011, the company has grown to employ between 11 and 50 professionals and generates an annual revenue of up to US$2.5 million. The firm operates its own factory and provides a comprehensive range of hydraulic components, including cartridge valves, solenoid valves, manifolds, pumps, and complete hydraulic power units. Their technical expertise extends to specialized products such as proportional valves, pressure control valves, steering units, and logic valves. Ningbo Euler Hydraulics offers robust manufacturing capabilities, including OEM and ODM services, with an annual production capacity of 300,000 hydraulic cartridge valves and 10,000 valve manifolds. Their engineering team provides customized solutions based on client drawings or specific application requirements for industries such as construction machinery, mining equipment, agricultural machinery, and municipal special vehicles. While maintaining a strong domestic presence, the company exports to international markets across North America, Europe, and Southeast Asia, emphasizing reliable quality and competitive pricing.
EULER Auto Steering Manifold 15L, 30L, 60L Hydraulic Valve Block for Tractor Harvester GPS$599
EULER Auto Steering Manifold Hydraulic Valve Block Used for Tractor Harvester GPS$598
ORIGINAL PVG32 VALVE Hydraulic Valve Block Proportional$1966
Euler Customized Hydraulic Power Pack Unit 3.0KW 25L Hand Pump$1771
Euler custom hydraulic power pack unit for alive pig carrier vehiles$985
Euler Customized Hydraulic Power Pack Motor 7.5KW 4P 380V 50Hz, 1460r/min Dual Pump Displacement 16m1/8ml EHD-HD-01-1123$3456
Euler Hydraulic Power Pack Unit for Machining Center Fixture Clamping AC380V 0.75KW, 1.6CC/REV, Oil tank 6L$300
EULER Direct Selling High-quality Hydraulic Power Unit 12V 24V 220V EHD-YYBZ-01-0622W 01$4318
Euler Customized Hydraulic Power Pack Unit Power 22-0092$952
Power Unit Hydraulic for Hydraulic Tool Vehicle EHD-YYBZ-01-0622W$4318
Euler Hydraulic Power Pack Unit for Double Acting Application Set AC380V 1.5KW, Pump Displacement 4.2cc/rev .a$319
Flying Bull (Ningbo) Electronic Technology Co., Ltd.
🇨🇳 China
202011-50 peopleManufacturer/Trading CompanyODM manufacturer
Product customization
High-tech enterprise
Low MOQ
Shipments
2
Key customer
EQUIPMENT CONVERSORES
Key market
🇦🇪 United Arab Emirates
Review
5
Relief Valve Excavator Relief Valve E320c E320d Rotary Relief Valve 173-3452$40
Insert Relief Valve Relief Valve Xyf10-03 Relief Valve Excavator Hydraulic Parts Excavator Parts$40.85
Straight Relief Valve Is Threaded with Manual Adjustable Relief Valve Ladrv-10 Hydraulic Relief Valve$5.17
Cartridge Relief Valve Relief Valve Xyf10-03 Hydraulic Valve$58
Main Relief Valve 310-0395 - High-Pressure Relief Solution$35.15
Hydraulic Relief Valve Xdyf20-01 Threaded Cartridge Valve Pilot Operated Relief Valve$9
Pilot Operated Relief Valve RV12-26 Threaded Cartridge Valve Hydraulic Relief Valve$46
Rpec-Lnn Hydraulic Threaded Cartridge Relief Valve Relief Valve Engineering Machinery Accessories$44.92
Main Relief Valve Voe14513267$30
Main Relief Valve Voe14552098$38
Ldrv6-10-13 Hydraulic Cartridge Differential Relief Valve Ldrv6-10 Reverse Relief Valve$13
for Hydraulic Relief Valve PC200-8 702-73-01520 Excavator Swing Relief Valve$45
Ningbo Weisenbl Machinery Manufacturing Co., Ltd.
🇨🇳 China
2010101-200 peopleManufacturerOEM manufacturer
ODM manufacturer
Product customization
Low MOQ
Key customer
CHENGLI GROUP
Key market
🇯🇵 Japan
Description
Ningbo Weisenbl Machinery Manufacturing Co., Ltd. is a manufacturer of hydraulic components and mechanical accessories based in Ningbo, China. Established in 2010, the company specializes in the design, development, and manufacturing of a wide range of hydraulic valves, including overcenter valves, pilot operated check valves, throttle valves, control valves, diverter valves, solenoid change valves, check valves, sequence valves, ball valves, directional control valves, hydraulic locks, and relief valves. They also produce hydraulic power units. With over 20 years of professional manufacturing experience in hydraulic components, Ningbo Weisenbl Machinery Manufacturing Co., Ltd. operates with a strong independent processing capacity, producing over 80% of its accessories in-house. The company offers OEM and ODM services and is committed to strict quality control processes, holding ISO 9001 and ISO 14001 certifications. Their products are designed for diverse applications across various industries, including mining, industrial equipment, construction machinery, sanitation, marine equipment, and agricultural machinery. They serve major clients such as Zoomlion Heavy Industry Co., Ltd., Sany Heavy Industry Co., Ltd., and Chengli Group, and export to international markets including Japan, the United States, Europe, and Southeast Asia.
Control Check Valve Hydraulic Vau Dual Cross Relief Valve in-Line Valve$10
Automatic Portable Custom Size Fast Delivery Cheap Factory Price Acting Power Unit$114
Reversing Durable Fast Delivery Existing Goods Factory Outlet Multiple Certifications Hydraulic Lock$5
Shanghai Valve Factory Co., Ltd.
🇨🇳 China
19211001-2000 peopleManufacturer/Trading CompanyHigh capacity factory
Established brand
Large enterprise group
Own brand
Shipments
27
Key customer
THANH NGUYEN
Key market
Asia
Description
Shanghai Valve Factory Co., Ltd. is a century-old enterprise, established in 1921 and privatized in 2006, operating as a manufacturer and trading company based in Shanghai, China. With 1001 to 2000 employees, the company specializes in providing complete fluid control solutions and is a key enterprise and vice chairman of the China General Machinery and Industrial Association. They operate a factory and a dedicated Valve Testing and Research Center, with a new factory expanding in Huzhou. Shanghai Valve Factory Co., Ltd. offers a vast portfolio of approximately 6000 different types of high and medium pressure industrial valves, including gate valves, ball valves, butterfly valves, globe valves, check valves, safety valves, control valves, cryogenic valves, and specialized valves for nuclear and military applications. These valves are designed for a wide range of sizes (3/25" to 120"), pressure ratings (150Lb to 4000Lb), and temperatures (-196C to 750C), utilizing materials such as carbon steel, stainless steel, and alloy steel. They also provide various actuators including manual, motorized, pneumatic, and pneumatic-hydraulic drives. The company holds certifications such as ISO 9001 and CE, along with API, safety registration, and licenses for producing NPP valves. Their products are widely used in the nuclear, power, fossil energy, clean energy, oil and gas, chemical, shipbuilding, and marine engineering industries, serving customers like CNOOC and CNPC. Shanghai Valve Factory Co., Ltd. offers OEM and ODM services and exports globally, with an annual turnover between $10,000,000 US and $100,000,000 US.
Relief Valve (SFA-27C150C1)
Pressure Relief Valve (SFA-27C300Q)
Safety Relief Valve for Liquid (SFA-41C600C)
High Pressure Safety Valve (SFA-42C1500P1)
Steam Application Safety Valve for Boiler (SFA-44C600C1)
Pressure Safety Valve (SFA-48C150C1)
Conventional Spring Loaded Safety Valve (SFA-41C300C1)
Pilot Operated Safety Valve (SFA-46C1500R)
Shanghai Bestone Auto-Control Valve Co., Ltd
🇨🇳 China
2003301-500 peopleManufacturer/Trading CompanyEstablished brand
Product customization
Low MOQ
OEM manufacturer
Shipments
2
Key customer
ASC PROCESS SYSTEMS
Key market
Asia
Review
5
Low Lift Pressure Relief Safety Valve Carbon Steel and Stainless Steel Spring Safe and Efficient Product$9
Factory Priced AQ702 AB712 Bronze Spring Loaded Safety Valve Low Lift Air Water Steam Pressure Relief Valve$14.5
Hot Sale C9004 PVC Electric Ball Valve 2/2 Way 24V 220V 110V AC DC Customizable OEM Support$30
C8004 Electric Motorized Ball Valve 2/2 Way 110v/220v/24v / Stainless Steel Carbon Steel Electric Motorized Ball Valve OEM$88
Manual Rising Stem Gate Valve Z41 Carbon Steel Flanged Type High Temperature Resistance$101
High Quality Thread ZCD 2/2 Way Pilot Operated Piston Solenoid Valve NC/NO for Low Temperature Medium$27.5
T256 Carbon Steel Electronic Electric Single Sealing Control Valve New Sleeve Regulating for Water Gas Oil OEM Supported$226
High Temperature Manual Ductile Iron DI Soft Sealing Worm Wheel Flange Wafer Butterfly Valve Model DF810 Center Lined$8
TF100 Adjustable Liquid Level Control Float Valve Fixed Type F100 for Media Base$23
Manual Stop Thermodynamic Steam Trap Valve Carbon Steel and Stainless Steel High Temperature Base Media CS19 CS49 CS69$22
C6004 Stainless Steel 2/2 Two-Way Electric Motorized Ball Valve with Open/Close & On/Off Functionality OEM Customizable$11
Z197-A Series 2 Way Pilot Operated Diaphragm Magnetic Holding Pulse Plastic Solenoid Valve$26
Ningbo HOYEA Machinery Manufacture Co., Ltd.
🇨🇳 China
1993201-300 peopleManufacturer/Trading CompanyEstablished brand
High-tech enterprise
Patented technology
Low MOQ
Shipments
233
Key customer
NEUMAC
Description
Ningbo HOYEA Machinery Manufacture Co., Ltd., established in 1993, is an innovative modern enterprise and a leader in fluid power transmission and control in China. Operating as both a manufacturer and trading company, HOYEA specializes in the design, manufacturing, and provision of hydraulic components and electro-hydraulic control systems. With over 300 employees and a 71,000m² factory in Ningbo, China, the company holds ISO 9001 certification and has been recognized as a National High Technological Enterprise and a Zhejiang Patent Demonstrating Firm. HOYEA's extensive product portfolio includes industrial valve series, mobile hydraulics, explosion isolation valves, and hydraulic electronics, with a focus on Screw-in Cartridge valves, proportional valves, and various flow, pressure, and directional control valves. They offer comprehensive hydraulic solutions, leveraging advanced technology and numerous independent patents. Their products are widely applied in engineering, mining, cleaning, agricultural, and marine machinery, among other industries. The company emphasizes continuous innovation, utilizing research platforms like the Zhejiang University national electro-hydraulic control technological research center.
Pressure Relief Valve
Hydraulic Manifold
Zhejiang Zhonggong Valve Group Co., Ltd.
🇨🇳 China
1999501-1000 peopleManufacturer/Trading CompanyHigh capacity factory
Established brand
Own brand
Patented technology
Shipments
11
Key customer
MEPSAN PETROL
Key market
Europe
Description
Zhejiang Zhonggong Valve Group Co., Ltd. is a leading manufacturer and trading company based in Wenzhou, China, specializing in the research, development, design, manufacturing, and sales of a comprehensive range of industrial valves. Established in 1999, the company operates with over 680 employees and boasts a significant operational footprint across Wenzhou, Lishui, and Qingtian, including a headquarter covering over 23,800 square meters. They offer OEM services and are equipped with over 300 sets of high-precision machinery and advanced testing equipment, ensuring robust R&D capabilities and stringent quality control. Their extensive product portfolio includes Ball Valves, Gate Valves, Globe Valves, Check Valves, Butterfly Valves, Plug Valves, Power Station Valves, API Valves, Forged Steel Valves, Bellows Valves, and Safety Valves, manufactured from various materials such as carbon steel, stainless steel, and alloy steel. These products adhere to international and national standards including API, ANSI, JIS, DIN, GB, and HG. Zhejiang Zhonggong Valve Group Co., Ltd. holds numerous certifications, including ISO 9001, ISO 14001, ISO 45001, CE, API 6D, and TS AI, underscoring their commitment to quality and safety. They are a trusted supplier to major clients like CNPC, Sinopec, and CNOOC, serving diverse industries such as coal chemical, power, pharmaceutical, and metallurgy, with a strong presence in both domestic and international markets.
Pilot Operated Safety Valve
DIN-ANSI-Bw-Butterfly-Valve, Butt Welding Butterfly Valves$1000
Cast Iron, Ductile Iron Butterfly Valve Wafer End$1000
Process Valve & Instruments
🇺🇸 United States
1986201-300 peopleTrading Company/Wholesaler/Distributor/Service Company/ManufacturerEstablished brand
Product customization
OEM manufacturer
Shipments
12
Key customer
SWIMS TECHNOLOGIES
Key market
🇺🇸 United States
Description
Process Valve & Instruments, established in 1986 and based in Leeds, US, is a B2B supplier, wholesaler, distributor, and manufacturer specializing in industrial valves, instruments, and related components. With 201-300 employees, the company serves a wide range of industries across the USA, including Manufacturing (especially OEMs), Pulp & Paper, Oil & Gas, Chemical Processing, and Power Generation. They offer a comprehensive portfolio of products including various types of industrial valves (ball, butterfly, gate, globe, check, control, safety relief, solenoid), pipe and tube fittings, pressure gauges, thermometers, transmitters, industrial hoses, and valve actuators (pneumatic, electric). Process Valve & Instruments also provides OEM services and specializes in custom actuator assemblies, leveraging over 60 years of in-house experience in assembling and testing valve packages. Their product range covers pressure ratings from vacuum to 30,000 PSI and sizes from 1/8" to 24" (fabricated up to 120"), with materials including Stainless Steel, Brass, Carbon Steel, Hastelloy, and Monel. The company focuses on helping customers maximize uptime, increase output, decrease operating costs, and improve safety through quality products and timely deliveries.
Safety Valves and Relief Valves
Safety Valves and Relief Valves
Diaphragm Valves
Other Valves
Pinch Valves
Gate Valves
Butterfly Valves
Pinch Valves
Custom Valve Packages
Check Valves
Sampling Valves
Custom Valve Packages
Samco Engineering Inc.
🇺🇸 United States
199411-50 peopleManufacturer/Trading Company/Wholesaler/DistributorEstablished brand
OEM manufacturer
Product customization
ODM manufacturer
Shipments
84
Key customer
RECONSTRUCTORA NACIONAL DE MOTORES
Key market
🇨🇳 China
Description
Samco Engineering Inc. is a family-owned manufacturer, wholesaler, and distributor based in Sunrise, Florida, with over 50 years of industry experience. Established in 1994, the company has grown into a leading provider of aftermarket replacement parts for HVAC and refrigeration compressors. Operating with a dedicated team of up to 50 employees, Samco Engineering serves local, national, and international markets as a trusted supplier for major brands including Bitzer, Bock, Carrier, Copeland, Dorin, Frascold, McQuay, Trane, Vilter, and York.
Relief Valves
Relief Valves
Unloaders and Control Valves
Valves
Unloaders and Control Valves
Valves
Valve Plate Assemblies and Accessories
Service Valves, Shut Off Valves
Valve Plate Assemblies and Accessories
Service Valves, Shut Off Valves
Piston Pins
Oil Return System
Learn & Connect
Comparison