Description

Check valves are generally installed in pipelines to prevent backflow. A check valve is basically a one-way valve, in which the flow can run freely one way, but if the flow turns, the valve will close to protect the piping, other valves, pumps etc. If the flow turns and no check valve is installed, water hammer can occur. Water hammer often occurs with an extreme force and will easily damage a pipeline or components.

A	Eyebolt	For150Lb-8“,300Lb-8“,600Lb-6“,900Lb-8“/1500Lb/2500Lb-4“＆over
B	BC	Bolted cover.welded cover and pressure seal bonnet in services requiring frequtnt cycling or with high pressure/temperature variations.
C	End Connections	A choice of Flanged,RTJ flanged or Butt welding end for piping flexibility.
D	Body-to- Bonnet joint	A male and female joint or tongue and groove joint is used 150Lb to 600Lb valves.Ring joint is used in the body to cover connection in 900Lb＆higher rated valves
E	End Connections	All extemal hinge pin swing check valves 12“and smaller are availble with an optional outside lever and weight,internal hinge available with all swing check valves.
F	Seat Rings	Seoarate heavy duty,full ported rings for easy maintenance.Screwed or welded connection into body.
G	HCU	This design can be used to either dampen or assist closing of the check valve disc depending on orientation.by using the hydraulic control unit to buffer action the disc,the valve opens at lower flow rates.

Additional information

Keywords	Swing check valve,Ball check valve
Size	1” ~ 60” (DN25-DN1500)
Standard & Grade	A351 CF8C,A182 F347,WCB,,API 6D,API 598，JB/T9092，GB/T13927，GB/T26480,API 6A
Ends	BW RTJ RF ETC.
Delivery	Within 30 days and Depends on your order quantity
Payment	D/P , LC , OA , TT
Usage	In Chemical Industry, Coal, Oil Field Open Machine, Building Materials Heat-resistant Parts.

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Shipping & Delivery

Uses of packaging in the steel industry

Protective function

- Prevent steel products from physical damage, such as collision, scratching and extrusion, during transport, storage and handling to avoid affecting the quality and appearance of the products.

- Insulate from external environmental factors, such as humid air, rain, dust, etc., to reduce the risk of rust and corrosion of steel and ensure the performance and service life of the products.

Wooden box packaging

- Use: Mainly used to protect some irregular shape, easy to damage or high requirements for packaging of steel products, such as precision parts and components.

- Specific description: the wooden box is made of thick wooden boards, and cushioning materials, such as foam, air cushion, etc., may be added inside to reduce the impact of vibration and collision on the product.

Anti-rust paper packaging

- Purpose: To prevent rust and corrosion of steel products, especially suitable for storage or transportation in a humid environment.

- Specific description: anti-rust paper usually contains rust inhibitors, can be in contact with the metal surface to form a protective film, blocking the erosion of moisture and oxygen.

Plastic film packaging

- Purpose: To provide basic protection against dust and moisture, commonly used for small steel products.

- Specific description: plastic film has a certain degree of flexibility and sealing, can be tightly wrapped in the product surface, effectively isolate the external environment.

Pallet packaging

- Purpose: To facilitate the stacking and handling of steel products, and improve logistics efficiency.

- Specific description: The pallet is usually made of wood or plastic, the steel products are placed on the pallet, and then the forklift and other tools can be used for handling and loading and unloading.

Factory container packing

- Purpose: It is used for mass transportation of iron and steel products, to protect the products and improve the utilization rate of transportation space.

- Specific description: Containers have a strong structure and good sealing, and can adapt to long-distance transportation and the conversion of multiple modes of transportation.

Anti-rust oil coating packaging

- Purpose: To form a layer of antirust oil film on the surface of steel and enhance the antirust ability.

- Specific description: evenly cover the steel surface with anti-rust oil by brushing or soaking to form a durable protective layer.

Metal Corner Protection Packaging

- Purpose: To protect the corners and edges of steel products from damage during handling and transportation.

- Specific description: Metal corner guards are usually installed on the corners of products, using welding, bolting and other methods to increase the strength and impact resistance of the corners.

Baling Steel's packaging will surely convey to you our dedication to quality. We understand the importance of packaging to the quality of steel products and transportation safety, so we strive for excellence in the selection of packaging materials, so that you do not have to worry about the loss of transportation, and fully feel our professionalism and dedication!

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Check Valve

Check valves and non-return valves are fittings for preventing backflow in pipelines. Due to their simple design, short overall lengths are possible. Check valves offer an optimum solution for large nominal widths, e.g. where intermediate flange connections are required or desired.

Category: Valves

A	Eyebolt	For150Lb-8“,300Lb-8“,600Lb-6“,900Lb-8“/1500Lb/2500Lb-4“＆over
B	BC	Bolted cover.welded cover and pressure seal bonnet in services requiring frequtnt cycling or with high pressure/temperature variations.
C	End Connections	A choice of Flanged,RTJ flanged or Butt welding end for piping flexibility.
D	Body-to- Bonnet joint	A male and female joint or tongue and groove joint is used 150Lb to 600Lb valves.Ring joint is used in the body to cover connection in 900Lb＆higher rated valves
E	End Connections	All extemal hinge pin swing check valves 12“and smaller are availble with an optional outside lever and weight,internal hinge available with all swing check valves.
F	Seat Rings	Seoarate heavy duty,full ported rings for easy maintenance.Screwed or welded connection into body.
G	HCU	This design can be used to either dampen or assist closing of the check valve disc depending on orientation.by using the hydraulic control unit to buffer action the disc,the valve opens at lower flow rates.

Keywords	Swing check valve,Ball check valve
Size	1” ~ 60” (DN25-DN1500)
Standard & Grade	A351 CF8C,A182 F347,WCB,,API 6D,API 598，JB/T9092，GB/T13927，GB/T26480,API 6A
Ends	BW RTJ RF ETC.
Delivery	Within 30 days and Depends on your order quantity
Payment	D/P , LC , OA , TT
Usage	In Chemical Industry, Coal, Oil Field Open Machine, Building Materials Heat-resistant Parts.