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BS EN Nozzle check valve ductile iron double flanged spring loaded silent check valves for sump pump pn16
- Valve type: Nozzle check valve
- Connection: Flange
- Pressure: PN10 / PN16 / PN25
- Valve body: GGG50 / Ductile iron,DIN EN1563-GJS-500-7
- Valve stem: ASIS304
- Valve disc/ trim: GGG50 + EPDM
- Face to Face: GB12221 / EN 558-1 / ISO 5752 Series 14
- Design Standard: API,DIN,ASME,ISO,ANSI,GB/T,BS EN,AWWA
- Certificate: CE ,WRAS,API,OHSAS,ISO
Silent check valves, also known as non-slam check valves and spring-assisted check valves reduce or eliminate water hammer and its effects.
· High strength ductile iron body used for durability and less weight.
· Advanced dynamic design of single body with diffuser provides streamline flow and assures lower head loss.
· One of the lowest head loss check valve, big save in pumping power cost, valve disc with shorter stroker and
spring reverse faster than most of check valve.
· Coated with powder epoxy both inside & outside for corrosion resistance.
· Bronze bushing reduce wearing problem during operation.
· Hydrodynamic design with spring ensures non slamming and water hammerless.
· Stainless steel spring hidden in the diffuser under protection while valve in operation.
· Disc will positively close before reverse flow, and maximize the closing speed up to 0.2 Sec.
· Installation can be vertical/horizontal/ inclined.
· Comply with EN 558-1, ISO 5752 and EN 1092-2, ISO 7005-2 flange dimension.
|Size||DN50 - DN600 (NPS2-NPS24)|
|Body||Ductile iron，Stainless steel|
|Design Standard||GB/T 12235-2007|
|Face to Face||EN 558-1|
Ⅰ Business area: fluid control products, technology and environmental protection products.
Ⅱ Advanced CNC machining centers, professional process cells, wide-range welding equipment, automatic assembly lines and coating.
Ⅲ China's standard reference unit, to participate in the development of relevant valve industry standards.
Ⅳ We have set up a research and development center in Houston, Texas, in the United States.
Ⅴ Product Standard: GB, German Standard, American Standard, TUV CE, ISO 9001, ADWO-2000, TS, PED, WRC WRAS, KTW, API 6D, API609.
VI Main production: butterfly valve, ball valve, gate valve, check valve, globe valves, pipe fittings, manual / pneumatic / electric actuator, valve parts.
Q: If I need quotation, what informations do we need?
A: Valves' materials, Temperature, Pressure, Medium, Appllication System.
Q: Can you provide actuators, what you have?
A: Pneumatic, Electric, Hrdraulic, Solenoid Valves. RKSfluid actuators adopt USA technology. Which you need, just tell us.
Q: What's your productive capacity?
A: RKSfluid has four plants that can provide the products you need.
Q: Production lead time
A: Normal products have stock in 2~5 working days. Customized base on your need.
A: 1pc for all products.
Q: How about the quality assurance?
A: 100% quality test before delivery, 2 years warranty. Ensure your system working safety.
We got TUV, API, WRAS, CE, ISO certification.
Standard conform to DIN, ASME, BS EN, JIS, API, AWWA.
Q: How could you provide quality service to our customers?
A: RKSfluid own 20 years experiences and more than 70 R&D engineers provide technical support, model selection and installation guidance for you.
Tel:+86 151 4027 2439