Home Industrial Equipment & Components Safety Valve Pressure Relief Valve Back Flow Relief Valves 2025 Product List

Back Flow Relief Valves

products found from  trusted manufacturers & suppliers

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US$ 1 / Piece
1 Piece (MOQ)
Goole Valve technology Co., Ltd.
Goole Valve technology Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
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W.O.G
ISO
Ordinary Temperature
Flange
Adjustable
Closed

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US$ 1 / Piece
1 Piece (MOQ)
Goole Valve technology Co., Ltd.
Goole Valve technology Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
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Gas
ISO
Low Temperature
Flange
Adjustable
Closed

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US$ 1 / Piece
1 Piece (MOQ)
Goole Valve technology Co., Ltd.
Goole Valve technology Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
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Spring Loaded Closed Full Lift Type
Carbon Steel
Safety Valve
Automatic
Flange
LPG (Liquified Petroleum Gas)

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US$ 1 / Piece
1 Piece (MOQ)
Goole Valve technology Co., Ltd.
Goole Valve technology Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
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Gas
ISO
Low Temperature
Flange
Adjustable
Closed

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US$ 1 / Piece
1 Piece (MOQ)
Goole Valve technology Co., Ltd.
Goole Valve technology Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
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Gas
ISO
Low Temperature
Flange
Adjustable
Closed

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US$ 1 / Piece
1 Piece (MOQ)
Goole Valve technology Co., Ltd.
Goole Valve technology Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
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Spring Loaded Closed Full Lift Type
Carbon Steel
Safety Valve
Automatic
Flange
LPG (Liquified Petroleum Gas)

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US$ 1 / Piece
1 Piece (MOQ)
Goole Valve technology Co., Ltd.
Goole Valve technology Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
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W.O.G
ISO
Ordinary Temperature
Flange
Adjustable
Closed

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US$ 12.61-14.11 / Piece
6 Pieces (MOQ)
Chinadrip Irrigation Equipment (Xiamen) Co., Ltd.
Chinadrip Irrigation Equipment (Xiamen) Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Fujian, China
  • Manufacturer/Factory & Trading Company

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Support
1y
Microfiltration Machine
Physical Treatment
Agriculture
T Type

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US$ 1-10 / Piece
500 Pieces (MOQ)
Yuhuan Yifan Metal Products Co., Ltd.
Yuhuan Yifan Metal Products Co., Ltd.
  • Zhejiang, China
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Water
Bronze
Thread
Manual
Pn10/Pn16
Straight Through Type

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US$ 5-50 / Piece
1 Piece (MOQ)
Changsha OROSION Metal Technology Ltd Company
Changsha OROSION Metal Technology Ltd Company
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Zhejiang, China
  • Trading Company

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Water
Manual
Welding
Centre Sealing
Force Sealed
Normal

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US$ 20-50 / Piece
1 Piece (MOQ)
Ningjin Ding'an Hydraulic Machinery Co., Ltd
Ningjin Ding'an Hydraulic Machinery Co., Ltd
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Hebei, China
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5(5.0)

"Fast Dispatch"
Fast Dispatch
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Balance, Pressure Regulating, Reversing, Flow Control
Cover Plate
Hydraulic
Directly Operated Type
1 Piece
15 Days

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US$ 36-38 / Piece
100 Pieces (MOQ)
Shijiazhuang Hanjiu Technology Co., Ltd.
Shijiazhuang Hanjiu Technology Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Hebei, China
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Flow Control
Threaded Cartridge
Hydraulic
Directly Operated Type
1, 2, 3, 4, 5, 6, ...
40lt, 50lt, 60lt, 90lt, 100lt, 120lt, 140lt, ...

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US$ 20-500 / Piece
1 Piece (MOQ)
YOONAD VALVE (WUXI) CO., LTD.
YOONAD VALVE (WUXI) CO., LTD.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Jiangsu, China
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Gas, Oil, Water, Chemical
Low Temperature
Straight-through
Forged Steel
Flange, Weld
High Temperature

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US$ 1.2-8.9 / Piece
1 Piece (MOQ)
Changsha OROSION Metal Technology Ltd Company
Changsha OROSION Metal Technology Ltd Company
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Zhejiang, China
  • Trading Company

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Water
Stainless Steel
Clamp
Manual
PN1.0-32.0MPa
Straight Through Type

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US$ 5-50 / Piece
1 Piece (MOQ)
Changsha OROSION Metal Technology Ltd Company
Changsha OROSION Metal Technology Ltd Company
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
  • Trading Company

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Water
Manual
Tc/Weld/Union/Thread
Centre Sealing
Force Sealed
Normal

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US$ 24 / Piece
1 Piece (MOQ)
Hunan Wofly Technology Co., Limited
Hunan Wofly Technology Co., Limited
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Hunan, China
  • Manufacturer/Factory & Trading Company

  • ISO9001:2015
Secured Trading Service

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5(5.0)

"On-time Delivery"
On-time Delivery
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Gas
Ordinary Temperature
Stainless Steel
Thread
Spring Loaded
High Pressure

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US$ 25-300 / Piece
1 Piece (MOQ)
ZHEJIANG MENCROWN VALVE CO., LTD.
ZHEJIANG MENCROWN VALVE CO., LTD.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

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Water, Steam, Oil, Gas etc
ISO, CE
Ordinary Temperature
Flange
Single-Seat
Diaphragm/ Piston

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US$ 25-50 / Piece
50 Pieces (MOQ)
Jiangsu Erma Hydraulic Components Co., Ltd
Jiangsu Erma Hydraulic Components Co., Ltd
  • China Supplier - Gold Member Gold Member
  • Audited SupplierAudited Supplier
  • Jiangsu, China
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Pressure Regulating, Suitable for High-Pressure and High Flow Hydraulic
Tubular
Hydraulic
Pilot-Operated Type
200bar
-20~+100ºC

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US$ 500-1200 / Piece
1 Piece (MOQ)
Mudanjiang Kaidi Petroleum Machinery Co., Ltd.
Mudanjiang Kaidi Petroleum Machinery Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Heilongjiang, China
  • Manufacturer/Factory & Trading Company

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Provide
1 Year
CNC Milling
Spray-Paint
Atmospheric Pressure
Alloy

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US$ 742 / Piece
10 Pieces (MOQ)
Ningbo Yuzhou Hydraulic Equipment Co., Ltd.
Ningbo Yuzhou Hydraulic Equipment Co., Ltd.
  • China Supplier - Gold Member Gold Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
  • Manufacturer/Factory

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Flow Control
Thread Connection
Hydraulic
Pilot-Operated Type
280L/Min
26MPa

Favorites

US$ 25-50 / Piece
50 Pieces (MOQ)
Jiangsu Erma Hydraulic Components Co., Ltd
Jiangsu Erma Hydraulic Components Co., Ltd
  • China Supplier - Gold Member Gold Member
  • Audited SupplierAudited Supplier
  • Jiangsu, China
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Pressure Regulating, Suitable for High-Pressure and High Flow Hydraulic
Tubular
Hydraulic
Pilot-Operated Type
200bar
-20~+100ºC

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US$ 20-35 / Piece
1 Piece (MOQ)
Ningjin Ding'an Hydraulic Machinery Co., Ltd
Ningjin Ding'an Hydraulic Machinery Co., Ltd
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Hebei, China
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5(5.0)

"On-time Delivery"
On-time Delivery
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Pressure Regulating
Superposition
Hydraulic
Pilot-Operated Type
Four Pressure Levels
Depending on Model

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US$ 20-2680 / Piece
1 Piece (MOQ)
Huhang Technology Group Co., Ltd.
Huhang Technology Group Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Fujian, China
  • Manufacturer/Factory & Trading Company

  • Others
Secured Trading Service

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Water,Oil,Gas
Low/High/Ordinary Temperature
Straight-through
Ductile Iron,Stainless Steel,Cast Steel
Flange
Low/High/Ordinary Pressure

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US$ 18-20 / Piece
1 Piece (MOQ)
Feiyang Science and Industry Co., Ltd.
Feiyang Science and Industry Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Hubei, China
  • Manufacturer/Factory & Trading Company

  • ISO9001:2015, ISO14001, ISO45001:2018
Secured Trading Service

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Ordinary Temperature
GS, ISO9001
Oil
Standard
Welding
Hydraulic

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US$ 1-10 / Piece
1 Piece (MOQ)
Changsha OROSION Metal Technology Ltd Company
Changsha OROSION Metal Technology Ltd Company
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
  • Trading Company

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Oil, Gas,Water
Manual
Welding
Centre Sealing
Auto Sealed
Normal

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US$ 150 / Piece
5 Pieces (MOQ)
Suzhou Walter Flow Control Equipment Co., Ltd.
Suzhou Walter Flow Control Equipment Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Jiangsu, China
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Pressure Relief Valve
Ductile Iron, Stainless Steel
Stainless Steel
Nylon+EPDM/Viton
Ss/ Bronze
NBR/EPDM/Viton

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US$ 25-50 / Piece
50 Pieces (MOQ)
Jiangsu Erma Hydraulic Components Co., Ltd
Jiangsu Erma Hydraulic Components Co., Ltd
  • China Supplier - Gold Member Gold Member
  • Audited SupplierAudited Supplier
  • Jiangsu, China
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Pressure Regulating, Suitable for High-Pressure and High Flow Hydraulic
Tubular
Hydraulic
Pilot-Operated Type
200bar
-20~+100ºC

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US$ 35 / Piece
1 Piece (MOQ)
Ningjin Ding'an Hydraulic Machinery Co., Ltd
Ningjin Ding'an Hydraulic Machinery Co., Ltd
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Hebei, China
Secured Trading Service

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5(5.0)

"On-time Delivery"
On-time Delivery
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Flow Control
Superposition
Electric Hydraulic
Pilot-Operated Type
Industrial Usage
Steel

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US$ 1.58-5.58 / Piece
100 Pieces (MOQ)
Changsha Lingbo Environmental Protection Technology Co., Ltd.
Changsha Lingbo Environmental Protection Technology Co., Ltd.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Secured Trading Secured Trading
  • Hunan, China
Secured Trading Service

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Water
Plastics
Thread
Automatic
Pn10
Tee Type

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US$ 20-300 / Piece
1 Piece (MOQ)
ZHEJIANG MENCROWN VALVE CO., LTD.
ZHEJIANG MENCROWN VALVE CO., LTD.
  • China Supplier - Diamond Member Diamond Member
  • Audited SupplierAudited Supplier
  • Zhejiang, China
  • Manufacturer/Factory & Trading Company

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ISO, CE
Thread End
Water
0~ 80ºC
1. Inner: Plastic Package2. Outer: Plywood Case
DN40 -- DN600
1 2 3 4 5 6 7 8 9 Next
Questions & Answers on Back Flow Relief Valves
Q
What materials are commonly used in manufacturing safety valves?
A
Discover the perfect addition to your Safety Valve with our Back Flow Relief Valves.Safety valves are typically manufactured using materials such as stainless steel, brass, or carbon steel. Manufacturers ensure these materials meet strict quality standards to ensure the valve's effectiveness and longevity.
Q
What are the advantages of procuring safety valves wholesale?
A
The Back Flow Relief Valves is a premium choice in the Safety Valve category.Procuring safety valves wholesale offers cost savings, bulk quantities, and consistent product quality. Wholesale purchases often come with discounts and customization options, ensuring a steady supply of high-quality safety valves from reliable suppliers.
Q
How can I find trustworthy suppliers of safety valves in China?
A
Upgrade your Safety Valve with the elegant and durable Back Flow Relief Valves.To find reputable suppliers of safety valves in China, search online platforms, attend industry trade shows, and engage with industry-specific directories. Verify supplier credentials, request product samples, and establish reliability assurance before collaborating.
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