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Spring Check/Non Return Valve with double ventilation for Itap Roma ,Brass,BSP
Spring Check/Non Return Valve with double ventilation for Itap Roma ,Brass,BSP
Spring Check/Non Return Valve with double ventilation for Itap Roma ,Brass,BSP
Spring Check/Non Return Valve with double ventilation for Itap Roma ,Brass,BSP
Spring Check/Non Return Valve with double ventilation for Itap Roma ,Brass,BSP
Spring Check/Non Return Valve with double ventilation for Itap Roma ,Brass,BSP
Spring Check/Non Return Valve with double ventilation for Itap Roma ,Brass,BSP
Spring Check/Non Return Valve with double ventilation for Itap Roma ,Brass,BSP
Spring Check/Non Return Valve with double ventilation for Itap Roma ,Brass,BSP
Spring Check/Non Return Valve with double ventilation for Itap Roma ,Brass,BSP
Spring Check/Non Return Valve with double ventilation for Itap Roma ,Brass,BSP
Spring Check/Non Return Valve with double ventilation for Itap Roma ,Brass,BSP

Spring Check/Non Return Valve with double ventilation for Itap Roma ,Brass,BSP

Precision Engineering： As a premium spring check valve, our stainless steel spring and plate deliver instant backflow prevention, outperforming conventional non return valve types in fuel and pneumatic systems.

Material Excellence： This brass spring check valve features corrosion-resistant brass body and Viton seals, ensuring reliable sealing even with oils and fuels at up to 150°C.

Smart Integration： Dual 1/4″ BSPP ventilation ports allow easy system bleeding or gauge mounting, making this spring type check valve a versatile non return valve for complex piping layouts.

Full Customization： We offer tailored solutions—from custom labeling and packaging to modified specifications—allowing you to configure this brass spring check valve exactly to your project requirements.

Trusted Partnership： Backed by ISO 9001, NSF/ANSI 61, and a 2-year warranty, Fanovo provides end-to-end support from prototyping to inventory management, ensuring seamless integration of your chosen non return valve solution.

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Fanovo’s Double Ventilation Spring Check Valve, specifically designed for the ITAP Roma series brass valves, represents a reliable and safety-focused solution for industrial fluid control applications. As a high-performance spring check valve, it ensures precise, one-directional flow of media within piping systems, effectively preventing backflow and safeguarding overall system stability.

Engineered with a durable brass body, this brass spring check valve offers exceptional corrosion resistance and structural integrity, making it well-suited for demanding environments in industrial, fuel transfer, and pneumatic systems. The core spring type check valve mechanism, featuring a stainless steel spring and plate, guarantees rapid and responsive closure even under low pressure differentials, delivering superior sealing performance.

As one of the most effective non return valve types for liquid and gas applications, this valve is compatible with kerosene, petrol, and a wide range of non-aggressive fluids. Its distinctive double ventilation ports facilitate system bleeding or connection to pressure monitoring equipment, significantly enhancing installation convenience and maintenance efficiency. Additionally, Viton (FKM) seals provide excellent chemical resistance and extended service life in fuel and oil applications.

SpecificationDetails & Advantages
Product TypeSpring-loaded Check Valve / Non-Return Valve
Core FunctionFunctions as a dependable non return valve, ensuring unidirectional flow and preventing backflow-induced water hammer or system contamination.
Body MaterialHigh-quality Brass, compliant with international standards for durability and corrosion resistance.
Seal MaterialViton (FKM) – offers outstanding oil resistance, high-temperature tolerance, and chemical durability.
Internal ComponentsStainless Steel plate and spring – ensure excellent fatigue strength and corrosion resistance, forming the reliability backbone of this spring check valve.
Vent/Test Ports1/4″ BSPP double ventilation ports – allow easy system bleeding or installation of pressure gauges/sensors.
Thread TypeBSP Female (ISO 228) – equivalent to DIN 259 & BS2779, ensuring broad compatibility.
Size RangeAvailable from 3/8″ to 2″ – accommodates various pipeline diameters.
Installation OrientationCan be installed vertically, horizontally, or obliquely – adapts to complex piping layouts.
Temperature RangeWater: -20°C to 100°C; Oils or Air: -20°C to 150°C.
CertificationsComplies with Lead Free Plumbing Laws, NSF/ANSI 61, UPC/CE, and ISO 9001 quality management standards.

Reliability & Application Versatility

When evaluating different non return valve types for a specific system, it is essential to consider the operating conditions and required response characteristics. This double ventilation brass check valve incorporates a spring-assisted closing mechanism, categorizing it as an active-type non-return valve. Compared to swing or lift check valves that rely solely on gravity or backpressure, this design offers significantly faster closure response and more reliable sealing, making it particularly suitable for applications requiring rapid flow cutoff to prevent reverse flow, such as fuel burner supply lines, compressor discharge outlets, and precise chemical transfer systems.

Fanovo backs this product with a comprehensive two-year warranty from the date of shipment, reflecting our confidence in the quality of materials and workmanship. Whether you are upgrading an existing system or sourcing components for a new project, this brass spring check valve with integrated double ventilation is the intelligent choice for B2B customers seeking to optimize pipeline performance, enhance operational safety, and reduce long-term maintenance costs.

Body MaterialBrass
Seal MaterialViton (FKM)
Plate & SpringStainless Steel
Bleed Plug1/4″ BSPP
Thread TypeBSP Female (ISO 228) | Equivalent to DIN 259 & BS2779
Size Range3/8″ to 2″
InstallationCan be installed vertically, horizontally, or obliquely
Temperature RangesWater: -20°C to 100°C
Oils or Air: -20°C to 150°C

Complies with Lead Free Plumbing Laws, NSF/ ANSI 61, UPC/ CE, ISO 9001

For approval information, please refer to the products specification sheet. For any other information on product certification and documentation information, please contact Fanovo.

FANOVO STATEMENT OF WARRANTY & LIMITATION OF WARRANTY

Fanovo warrants, to our all purchasers, that its products which are delivered to its purchasers will be the kind described in the order or price list and will be free of defects in workmanship or material for a period of two year from the date of shipping to you, our purchaser.

Should any failure to conform to this warranty appear within two year after the date of the initial delivery to our purchaser, Fanovo will, upon written notification thereof and substantiation that the goods have been stored, installed, maintained and operated in accordance with Fanovo’s recommendation and standard industry practice, correct such defects by suitable repair or replacement at Fanovo’s own expense. If any valve alleged to be defective, is reported to Fanovo headquarter in China, it will be examined and, if found to be defective under the warranty, it will be replaced at no charge in future order.

THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR OTHER WARRANTY OF QUALITY, WHETHER EXPRESS OR IMPLIED, EXCEPT THE WARRANTY OF TITLE AND AGAINST PATENT INFRINGEMENT Correction of non-conformities, in the manner and for the period of time provided above, shall constitute fulfillment of all liabilities of Fanovo to our purchaser, with respect to the goods, whether based on contract, negligence, strict tort or otherwise, it is the intention of Fanovo that no warranty of any kind, whether express or implied, shall pass through our purchaser to any other person or corporation.

LIMITATION OF LIABILITY: FANOVO SHALL NOT UNDER ANY CIRCUMSTANCES BE LIABLE FOR SPECIAL OR CONSEQUENTIAL DAMAGES SUCH AS, BUT NOT LIMITED TO, DAMAGES OR LOSS OF OTHER PROPERTY OR EQUIPMENT, LOSS OF PROFITS, OR REVENUE, COST OF CAPITAL, COST OF PURCHASED OR REPLACEMENT GOODS, OR CLAIMS OF CUSTOMERS OF OUR INITIAL PURCHASER. THE REMEDIES OF OUR INITIAL PURCHASER, AND ALL OTHERS, SET FORTH HEREIN ARE EXCLUSIVE, AND THE LIABILITY OF FANOVO WITH RESPECT TO SAME SHALL NOT, EXCEPT AS EXPRESSLY PROVIDED HEREIN, EXCEED THE PRICE OF GOODS UPON WHICH SUCH LIABILITY IS BASED.

Fanovo is not just innovative products—we also provide wide-ranging capabilities, including design, manufacturing, and distribution. Each of these capabilities, as well as others, can be scaled to your needs – you can use as much or as little as makes sense for your product development.

Our Strengths

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