Check Valves（Nominal Pressure：No Standard, Others）

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  Check Valve (Inline Chuck) [for Steam, Hot Water and Cold Water] CVC3 Type

  MIYAWAKI

  [Features]・ It prevents water hammer regardless of whether the heating coil is capped or hairpin type・ Excellent sealing performance at low pressure due to counter weight・ The squeezing mechanism inside the main body prevents water droplets from leaking to the outside・ Excellent durability due to all stainless steel・ It prevents foreign object from entering with a strainer standard equipment・ Inline type for compact piping・ The mounting position can be freely set vertically, horizontally or diagonally[Applications]・ Ideal for preventing backflow of steam/water (hot water) piping

  Applicable Fluid	Type	Material	Max. Operating Pressure(MPa)	Nominal Pressure	Supply Side, Connection Type	Supply Side, Plumbing Thread Nominal	Control Side, Connection Type	Control Side, Plumbing Thread Nominal	Supply Side, Tube Flange Nominal	Control Side, Tube Flange Nominal	Cracking Pressure(MPa)
  Water	Spring Type (In-line)	Stainless Steel Cast	2.1	No Standard, Others	Rc (R)	1B ～ 3/4B	Rc (R)	1B ～ 3/4B	-	-	-

  From: 1,873,781 VND
  Days to Ship: Số ngày giao hàng: 6 Day(s) or more

  6 Day(s) or more

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  A-Check Nipple Type

  ASOH

  This is a check valve whose main body is a screw type on both sides.[Features]·Piping space can be saved.·Due to the simple poppet structure, there is no leakage against non-return pressure.

  Applicable Fluid	Type	Material	Max. Operating Pressure(MPa)	Nominal Pressure	Supply Side, Connection Type	Supply Side, Plumbing Thread Nominal	Control Side, Connection Type	Control Side, Plumbing Thread Nominal	Supply Side, Tube Flange Nominal	Control Side, Tube Flange Nominal	Cracking Pressure(MPa)
  Water / Air	Spring Type (In-line)	Brass ～ Stainless Steel	2	No Standard, Others	Rc (R)	1/2B ～ 3/8B	Rc (R)	1/2B ～ 3/8B	-	-	0.007

  From: 408,271 VND
  Days to Ship: Số ngày giao hàng: 4 Day(s) or more

  4 Day(s) or more

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  Check Fitting CSA

  KOYO

  Cadmium-free brass material is used. [Features]· Complete fitting with a joint and a check valve.· Advantageous fitting for the space and cost perspectives.· The spring poppet check valve gives the flow direction to the piping system

  Applicable Fluid	Type	Material	Max. Operating Pressure(MPa)	Nominal Pressure	Supply Side, Connection Type	Supply Side, Plumbing Thread Nominal	Control Side, Connection Type	Control Side, Plumbing Thread Nominal	Supply Side, Tube Flange Nominal	Control Side, Tube Flange Nominal	Cracking Pressure(MPa)
  Air	Spring Type (In-line)	Brass	21	No Standard, Others	Rc (R)	1/4B	Rc (R)	1/4B	-	-	0.05 ～ 0.3

  From: 425,795 VND
  Days to Ship: Số ngày giao hàng: 23 Day(s) or more

  23 Day(s) or more

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  Check Fitting CSB

  KOYO

  Cadmium-free brass material is used. [Features]· A fitting with an integrated fitting and check valve.· A useful fitting for saving on spaces and costs.· The spring poppet check valve provides flow direction to the piping system

  Applicable Fluid	Type	Material	Max. Operating Pressure(MPa)	Nominal Pressure	Supply Side, Connection Type	Supply Side, Plumbing Thread Nominal	Control Side, Connection Type	Control Side, Plumbing Thread Nominal	Supply Side, Tube Flange Nominal	Control Side, Tube Flange Nominal	Cracking Pressure(MPa)
  Air	Spring Type (In-line)	Brass	21	No Standard, Others	Rc (R)	1/4B ～ 1/8B	Rc (R)	1/4B ～ 1/8B	-	-	0.05

  From: 341,366 VND
  Days to Ship: Số ngày giao hàng: 4 Day(s) or more

  4 Day(s) or more

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  Check Valve, Check Valve for Door-to-Door Water Supply, CV-25U Series

  YOSHITAKE

  Suitable for use in door-to-door water supply in residential complexes and like. Can prevent backflow of contaminated water from water faucets, equipment, and the like when negative pressure occurs inside water mains due to water supply cut off, etc. Spring action design enables pipe mounting in any direction (horizontal or vertical).

  Applicable Fluid	Type	Material	Max. Operating Pressure(MPa)	Nominal Pressure	Supply Side, Connection Type	Supply Side, Plumbing Thread Nominal	Control Side, Connection Type	Control Side, Plumbing Thread Nominal	Supply Side, Tube Flange Nominal	Control Side, Tube Flange Nominal	Cracking Pressure(MPa)
  Water	Spring Type (In-line)	Brass	-	No Standard, Others	G	1B ～ 3/4B	Rc (R)	1B ～ 1 1/4B	-	-	-

  From: 1,131,166 VND
  Days to Ship: Số ngày giao hàng: 10 Day(s) or more

  10 Day(s) or more

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  CS-1USN Type Check Valve (for Cold/Hot Water)

  VENN

  Spring-type for apartment buildings, houses, building facilities, etc. (Low pressure loss, water hammer prevention type)[Features]· Spring style shuts valves for back-flow prevention during back pressure or water shutoff, for water hammering prevention type with excellent safety.· The valve body is a synthetic rubber disk.· Usable with warm water up to 90°C.· Water can be supplied at a low pressure loss.· Pipe end cores are used for connectors, as they are made of material that won't rust, thus preventing rust-colored water.· Valve body is structured as a cartridge for easy maintenance.・Noise during water flow is 40 dB or less (during rated flow), for low noise of around the same degree as piping.· For various supply water systems, prevents backflow caused by back pressure when pressure of the water supply source decreases due to water supply shutoff, etc., and for maintaining a reliable and safe water supply.

  Applicable Fluid	Type	Material	Max. Operating Pressure(MPa)	Nominal Pressure	Supply Side, Connection Type	Supply Side, Plumbing Thread Nominal	Control Side, Connection Type	Control Side, Plumbing Thread Nominal	Supply Side, Tube Flange Nominal	Control Side, Tube Flange Nominal	Cracking Pressure(MPa)
  Water	Others	Bronze	1	No Standard, Others	G	1B	Rc (R)	3/4B	-	-	-

  From: 1,117,595 VND
  Days to Ship: Số ngày giao hàng: 10 Day(s) or more

  10 Day(s) or more

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  CS-2USN Type Check Valve (for Cold/Hot Water)

  VENN

  Spring-type for apartment buildings, houses, building facilities, etc. (Low pressure loss, water hammer prevention type)[Features]· Spring style shuts valves for back-flow prevention during back pressure or water shutoff, for water hammering prevention type with excellent safety.· The valve body is a synthetic rubber disk.· Usable with warm water up to 90°C.· Water can be supplied at a low pressure loss.· Pipe end cores are used for connectors, as they are made of material that won't rust, thus preventing rust-colored water.· Valve body is structured as a cartridge for easy maintenance.・Noise during water flow is 40 dB or less (during rated flow), for low noise of around the same degree as piping.· For various supply water systems, prevents backflow caused by back pressure when pressure of the water supply source decreases due to water supply shutoff, etc., and for maintaining a reliable and safe water supply.

  Applicable Fluid	Type	Material	Max. Operating Pressure(MPa)	Nominal Pressure	Supply Side, Connection Type	Supply Side, Plumbing Thread Nominal	Control Side, Connection Type	Control Side, Plumbing Thread Nominal	Supply Side, Tube Flange Nominal	Control Side, Tube Flange Nominal	Cracking Pressure(MPa)
  Water	Others	Bronze	1	No Standard, Others	G	1B	Rc (R)	3/4B	-	-	-

  From: 1,484,135 VND
  Days to Ship: Số ngày giao hàng: 10 Day(s) or more

  10 Day(s) or more

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  CS-3SSN, Check Valve (for Cold Water / Hot Water)

  VENN

  Spring-type for apartment buildings, houses, building facilities, etc. (low pressure loss, prevents water hammer)[Features]· For various water supply systems; prevents backflow using back pressure when the pressure of the supply water source decreases due to water supply cutoff, and for maintenance of a reliable and safe water supply.· Spring style with a closing valve for back-flow prevention during a water outage; prevents water hammering, delivering excellent safety.· Valve body includes a synthetic rubber disk.· Usable with warm water up to 90°C.· Water can be supplied with low pressure loss.· Pipe end cores are used for connectors, as they are made of material that will not rust, thus preventing rust-colored water.· The valve body employs a cartridge structure for easy maintenance.· Noise is kept to 40 dB or below (at rated flow rate) while water is flowing, roughly the same level of noise produced by standard pipes.

  Applicable Fluid	Type	Material	Max. Operating Pressure(MPa)	Nominal Pressure	Supply Side, Connection Type	Supply Side, Plumbing Thread Nominal	Control Side, Connection Type	Control Side, Plumbing Thread Nominal	Supply Side, Tube Flange Nominal	Control Side, Tube Flange Nominal	Cracking Pressure(MPa)
  Water	Others	Bronze	1	No Standard, Others	Rc (R)	3/4B	Rc (R)	3/4B	-	-	-

  From: 846,675 VND
  Days to Ship: Số ngày giao hàng: 10 Day(s) or more

  10 Day(s) or more

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  CS-4N Type Check Valve with Expansion/Contraction Pipe (for Cold/Hot Water)

  VENN

  Spring-type for apartment buildings, houses, building facilities, etc. (Low pressure loss, water hammer prevention type)[Features]· For various supply water systems, prevents backflow caused by back pressure when pressure of the water supply source decreases due to water supply shutoff, etc., and for maintaining a reliable and safe water supply.· Spring style shuts valves for back-flow prevention during back pressure or water shutoff, for water hammering prevention type with excellent safety.· The valve body is a synthetic rubber disk.· Usable with warm water up to 90°C.· Water can be supplied at a low pressure loss.· Pipe end cores are used for connectors, as they are made of material that won't rust, thus preventing rust-colored water.· Valve body is structured as a cartridge for easy maintenance.Noise during water flow is 40 dB or less (during rated flow), for low noise of around the same degree as piping.

  Applicable Fluid	Type	Material	Max. Operating Pressure(MPa)	Nominal Pressure	Supply Side, Connection Type	Supply Side, Plumbing Thread Nominal	Control Side, Connection Type	Control Side, Plumbing Thread Nominal	Supply Side, Tube Flange Nominal	Control Side, Tube Flange Nominal	Cracking Pressure(MPa)
  Water	Others	Bronze	1	No Standard, Others	G	1B	Rc (R)	3/4B	-	-	-

  From: 1,340,706 VND
  Days to Ship: Số ngày giao hàng: 10 Day(s) or more

  10 Day(s) or more

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  CS-7N Type Check Valve (for Cold/Hot Water)

  VENN

  Ensures a safe and reliable supply of water for various types of water supply systems by preventing backflow (due to backpressure resulting from pressure drops when the supply is cut off). Compliant with the Japan Water Works Association 'JWWA-B-129 Backflow Preventer Valve' standard. A check valve is installed on the inlet end of the mixing valve to ensure the safety of water supply and hot water systems.[Features]·Allows for easy maintenance, without having to remove the check valve from the pipe.• The provision of an inspection hole allows for easy function checks.·Reduces pressure drops.• Usable with warm water up to 90°C.• Pipe end cores are used for connectors, as they are made of material that won't rust, thus preventing rust-colored water.

  Applicable Fluid	Type	Material	Max. Operating Pressure(MPa)	Nominal Pressure	Supply Side, Connection Type	Supply Side, Plumbing Thread Nominal	Control Side, Connection Type	Control Side, Plumbing Thread Nominal	Supply Side, Tube Flange Nominal	Control Side, Tube Flange Nominal	Cracking Pressure(MPa)
  Water / Others	Others	Bronze	1	No Standard, Others	Rc (R)	1B ～ 3/4B	Rc (R)	1B ～ 3/4B	-	-	-

  From: 4,151,085 VND
  Days to Ship: Số ngày giao hàng: 8 Day(s) or more

  8 Day(s) or more

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  Check Valve (Inline Check) [for water, Hot water] CV5R Type

  MIYAWAKI

  [Features]・ Inline type for compact piping・ The mounting position can be freely set vertically, horizontally or diagonally[Applications]・ Ideal for preventing backflow of hot water piping up to 80°C

  Applicable Fluid	Type	Material	Max. Operating Pressure(MPa)	Nominal Pressure	Supply Side, Connection Type	Supply Side, Plumbing Thread Nominal	Control Side, Connection Type	Control Side, Plumbing Thread Nominal	Supply Side, Tube Flange Nominal	Control Side, Tube Flange Nominal	Cracking Pressure(MPa)
  Water	Spring Type (In-line)	Stainless Steel Cast	1.6	No Standard, Others	Rc (R)	3/4B	Rc (R)	3/4B	-	-	-

  From: 2,061,576 VND
  Days to Ship: Số ngày giao hàng: 20 Day(s) or more

  20 Day(s) or more

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  A-Check Socket Type

  ASOH

  This is a check valve with a double internal screw type body.[Features]·Piping space can be saved.·Due to the simple poppet structure, there is no leakage against non-return pressure.

  Applicable Fluid	Type	Material	Max. Operating Pressure(MPa)	Nominal Pressure	Supply Side, Connection Type	Supply Side, Plumbing Thread Nominal	Control Side, Connection Type	Control Side, Plumbing Thread Nominal	Supply Side, Tube Flange Nominal	Control Side, Tube Flange Nominal	Cracking Pressure(MPa)
  Water / Air	Spring Type (In-line)	Brass ～ Stainless Steel	2	No Standard, Others	Rc (R)	1/2B ～ 3/8B	Rc (R)	1/2B ～ 3/8B	-	-	0.007

  From: 607,402 VND
  Days to Ship: Số ngày giao hàng: 4 Day(s) or more

  4 Day(s) or more

BrandNhãn hiệu
Product SeriesDòng sản phẩm
From
Days to ShipSố ngày giao hàng
Applicable Fluid
Type
Material
Max. Operating Pressure(MPa)
Nominal Pressure
Supply Side, Connection Type
Supply Side, Plumbing Thread Nominal
Control Side, Connection Type
Control Side, Plumbing Thread Nominal
Supply Side, Tube Flange Nominal
Control Side, Tube Flange Nominal
Cracking Pressure(MPa)

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BrandNhãn hiệu	MIYAWAKI	ASOH	KOYO	KOYO	YOSHITAKE	VENN	VENN	VENN	VENN	VENN	MIYAWAKI	ASOH
Product SeriesDòng sản phẩm	Check Valve (Inline Chuck) [for Steam, Hot Water and Cold Water] CVC3 Type	A-Check Nipple Type	Check Fitting CSA	Check Fitting CSB	Check Valve, Check Valve for Door-to-Door Water Supply, CV-25U Series	CS-1USN Type Check Valve (for Cold/Hot Water)	CS-2USN Type Check Valve (for Cold/Hot Water)	CS-3SSN, Check Valve (for Cold Water / Hot Water)	CS-4N Type Check Valve with Expansion/Contraction Pipe (for Cold/Hot Water)	CS-7N Type Check Valve (for Cold/Hot Water)	Check Valve (Inline Check) [for water, Hot water] CV5R Type	A-Check Socket Type
From	1,873,781 VND	408,271 VND	425,795 VND	341,366 VND	1,131,166 VND	1,117,595 VND	1,484,135 VND	846,675 VND	1,340,706 VND	4,151,085 VND	2,061,576 VND	607,402 VND
Days to ShipSố ngày giao hàng	6 Day(s) or more	4 Day(s) or more	23 Day(s) or more	4 Day(s) or more	10 Day(s) or more	10 Day(s) or more	10 Day(s) or more	10 Day(s) or more	10 Day(s) or more	8 Day(s) or more	20 Day(s) or more	4 Day(s) or more
Applicable Fluid	Water	Water / Air	Air	Air	Water	Water	Water	Water	Water	Water / Others	Water	Water / Air
Type	Spring Type (In-line)	Spring Type (In-line)	Spring Type (In-line)	Spring Type (In-line)	Spring Type (In-line)	Others	Others	Others	Others	Others	Spring Type (In-line)	Spring Type (In-line)
Material	Stainless Steel Cast	Brass ～ Stainless Steel	Brass	Brass	Brass	Bronze	Bronze	Bronze	Bronze	Bronze	Stainless Steel Cast	Brass ～ Stainless Steel
Max. Operating Pressure(MPa)	2.1	2	21	21	-	1	1	1	1	1	1.6	2
Nominal Pressure	No Standard, Others	No Standard, Others	No Standard, Others	No Standard, Others	No Standard, Others	No Standard, Others	No Standard, Others	No Standard, Others	No Standard, Others	No Standard, Others	No Standard, Others	No Standard, Others
Supply Side, Connection Type	Rc (R)	Rc (R)	Rc (R)	Rc (R)	G	G	G	Rc (R)	G	Rc (R)	Rc (R)	Rc (R)
Supply Side, Plumbing Thread Nominal	1B ～ 3/4B	1/2B ～ 3/8B	1/4B	1/4B ～ 1/8B	1B ～ 3/4B	1B	1B	3/4B	1B	1B ～ 3/4B	3/4B	1/2B ～ 3/8B
Control Side, Connection Type	Rc (R)	Rc (R)	Rc (R)	Rc (R)	Rc (R)	Rc (R)	Rc (R)	Rc (R)	Rc (R)	Rc (R)	Rc (R)	Rc (R)
Control Side, Plumbing Thread Nominal	1B ～ 3/4B	1/2B ～ 3/8B	1/4B	1/4B ～ 1/8B	1B ～ 1 1/4B	3/4B	3/4B	3/4B	3/4B	1B ～ 3/4B	3/4B	1/2B ～ 3/8B
Supply Side, Tube Flange Nominal	-	-	-	-	-	-	-	-	-	-	-	-
Control Side, Tube Flange Nominal	-	-	-	-	-	-	-	-	-	-	-	-
Cracking Pressure(MPa)	-	0.007	0.05 ～ 0.3	0.05	-	-	-	-	-	-	-	0.007

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