spring loaded ball valve Description
Spring loaded ball valves enhance sealing performance through spring preload, and are suitable for high pressure or frequent opening and closing conditions. Its core structure includes:
Elastic valve seat: A combination of spring and PTFE/metal hard seal can automatically compensate for wear after long-term use (seal surface roughness Ra≤0.4μm);
Floating ball: The surface is mirror polished, and it is close to the valve seat under spring pressure when closed, with a leakage of <100ppm (ISO 5208 standard);
Bottom-mounted valve stem: Built-in spring reverse sealing structure to prevent medium leakage when the valve cavity is abnormally pressurized.
Advantages
High pressure tolerance: The spring preload structure supports PN16-PN160 pressure levels and is suitable for Class 600 oil and gas pipelines;
Long life: The valve stem is made of A182F forged steel, with a hardness of HB220-250, and an opening and closing life of ≥100,000 times;
Corrosion resistance: 316L stainless steel + fluorine-lined valve seat can withstand strong acid and alkali media with a pH of 0.5~14.
spring loaded ball valve Specification
|
product name |
spring loaded ball valve |
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Product keywords |
pneumated actuator |
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More keywords |
pneumatic actuators |
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Group according to product category |
pneumatic actuator |
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Country of origin |
Henan, China |
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model |
XM32-XM400 |
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use |
on and off automation control |
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end cap color |
orange |
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type of drive |
pneumatic |
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Air supply pressure |
2bar-8bar |
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Applicable gas source |
Dry, clean and filtered non-corrosive gas |
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MOQ |
5 sets |
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Step price |
1-10：USD50;10-100：USD48;100-100000:USD45 |
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Payment method |
T/T,Western Union,MoneyGram |
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Delivery date of goods |
Delivery time of 10 sets: 3 days; The delivery time of 100 pieces is 10 days; Delivery time of 1000 pieces is 20 days. |
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production capacity |
Produce 300,000 units a year. |
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Commodity packaging mode |
Packed separately in cartons, wooden pallets or wooden cases. |
spring loaded ball valve
Applications
Petrochemical: Emergency shut-off and flow regulation of high-temperature and high-pressure pipelines (≤350℃);
Pharmaceuticals and food: Medium control of aseptic systems, suitable for sanitary quick-install interfaces;
Water treatment: Precision flow distribution of pipelines below DN50.
Selection and maintenance
Selection parameters:
Nominal diameter: DN15-DN100;
Seal material: PTFE for conventional working conditions, Stellite alloy hard seal for high-temperature working conditions.
Maintenance points:
Inject EP2 grease every quarter to reduce the valve stem torque (recommended ≤50N·m);
Valve seat wear exceeds 0.5mm or the sealing surface is scratched and needs to be replaced
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