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300X Cast Iron Slowly Closing Silence Check Valve
US$19.00-99.00
10 Pieces
Sample price:US$50.00/piece.Request sample
Product profile
Customization
AvailableMedia
WaterStandard
GB/BS/DINModel NO.
300xCertification
ISOTemperature
Ordinary TemperatureConnection
FlangeValve Seat
Single-SeatStructure
DiaphragmMaterial
Cast IronTransport Package
Wooden CaseSpecification
DN40-DN500Trademark
ZJOrigin
ChinaKey features
Hydraulic Self-Control: Operates automatically using hydraulic energy without external power or devices.
Water Hammer Prevention: Achieves slow closing and silencing effects to prevent water hammer damage.
Ductile Iron Construction: Body and bonnet made of EN GJS-500-7 ductile iron for durability.
Easy Maintenance: Simple design allows for smooth opening and slow shut with minimal effort.
Wide Application Scope: Suitable for high-rise buildings, living areas, and urban water supply projects.
Multiple Standards Compliance: Meets GB, BS, DIN, EN 588, and EN 1092 PN10/PN16/PN25 standards.
Stainless Steel Components: Stem, spring, seat, and nut made of AISI 304 stainless steel.
Integrated Monitoring: Equipped with micro-filter, needle valve, and pressure gauge for control.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2020-06-25Nearest Port: tianjin portAverage Response Time: ≤5.79hTerms of Payment: T/T, PayPalInternational Commercial Terms(Incoterms): FOB, CIF
About Our Factory & Business Background
AddressThe Fifth Team of Zhoujiazhuang Township, Shijiazhuang, Hebei, China
Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: within 15 workdays
Our Production Capability & Technical Expertise
Main ProductsValve, Gate Valve, Butterfly Valve, Check Valve, Globe Valve, Stop Valve, Filter, Fittings, Non-Return Valve, Ball Valve
Our Industry Experience & Global Business Record
Main MarketsMid East, Eastern Asia
Product Q&A
Q:What is the working principle of this valve?
A:
Water enters the control room through a micro-filter and needle valve. Since the drainage speed is faster than intake, pressure drops, opening the main valve. It closes slowly to prevent water hammer.
Q:Does this valve require external power?
A:
No, it uses hydraulic self-control and does not need other devices or energy to operate.
Q:What materials are used for the valve body?
A:
The body and bonnet are made of Ductile Iron EN GJS-500-7.
Q:What are the available pressure ratings?
A:
The valve is available in PN10, PN16, and PN25 ratings according to EN 1092 standards.
Q:What is the lead time for this product?
A:
During peak season, lead time is one month. During off-season, it is within 15 workdays.
Send Inquiry
*To:
Hebei Zhongji Heavy Industry Valve Co., Ltd.
Hebei Zhongji Heavy Industry Valve Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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