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Flexible Rubber Joint for Valve Systems produced by Shanxi Bote is widely deployed in fire protection, water supply & drainage, HVAC pump room pipeline systems. Covering standard sizes from DN50 to DN300, this rubber connector adopts multi-layer high-strength polyamide cord fabric as reinforcing structure, with premium anti-aging natural rubber for inner and outer layers, and built-in steel wire reinforcement rings for structural stability.
The matched flanges are made of ductile iron with hot-dip galvanized anti-corrosion surface treatment, with a nominal pressure resistance of 1.6MPa. This flexible joint is commonly installed at inlet and outlet of fire pump units, water supply and drainage pipelines, as well as central air conditioning circulation pipes. It delivers shock absorption, noise reduction, displacement compensation and anti-tearing protection performance, and can perfectly coordinate with Industrial Valve, Ball Valve, Gate Valve, Globe Valve, Butterfly Valve and Check Valve in complete pipeline networks.
It is a standard supporting fitting for commercial buildings, factory workshops, residential communities, municipal pipe networks and various large-scale engineering construction projects.
Polyamide cord fabric and built-in steel wire rings greatly boost tensile and pressure resistance, effectively preventing swelling and cracking under long-term fluid pressure when matched with any Industrial Valve, Ball Valve, Gate Valve, Globe Valve, Butterfly Valve and Check Valve.
Premium natural rubber material resists oxidation, water and mild medium corrosion, extending service life in humid pump room and municipal pipeline environments without rapid aging hardening.
Ductile iron flanges processed by hot-dip galvanizing avoid rust and corrosion at connection points, guaranteeing stable sealing when connecting pipes and various valve products.
Elastic rubber structure absorbs mechanical vibration transmitted from pump units and valves, cutting pipeline resonance noise and protecting the whole set of Industrial Valve equipment from vibration damage.
The flexible body absorbs axial, radial and angular displacement caused by pipeline thermal expansion, foundation settlement and installation errors, avoiding pipe breakage and valve deformation beside Ball Valve, Gate Valve, Globe Valve, Butterfly Valve, Check Valve.
Full DN50-DN300 specifications are in stock, covering small residential water pipes to large municipal and fire main pipelines, fully matching all mainstream valve types for integrated pipeline construction.
Installed on inlet and outlet of fire pumps, matched with supporting Butterfly Valve, Check Valve and Globe Valve to reduce vibration of fire pipeline networks.
Used for residential and commercial water pipes, coordinating with Ball Valve and Gate Valve to compensate pipeline displacement and eliminate water hammer noise.
Connect chilled water and hot water circulation pumps, isolate vibration transmission to building walls and floors effectively.
Support all types of Industrial Valve sets in shopping malls, office buildings and hotels for stable silent pipeline operation.
Adapt to workshop circulating water and cooling pipelines, protecting Ball Valve, Gate Valve and other valve products from vibration damage.
Absorb foundation settlement displacement of municipal pipes, cooperating with Check Valve and Globe Valve for long-term underground stable operation.
Each batch of Flexible Rubber Joint for Valve Systems undergoes strict factory testing to match the operating standard of supporting Industrial Valve, Ball Valve, Gate Valve, Globe Valve, Butterfly Valve and Check Valve. Complete inspection items include:
Factory inspection reports and product qualification certificates can be provided for engineering acceptance, project bidding and bulk export customs clearance procedures.
We offer targeted customization for pipeline contractors, valve distributors and engineering equipment suppliers:
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Main Product:
Malleable Iron Pipe Fittings,
Grooved Fire Pipe Fittings,
Fluid Pipeline Connectors,
Valves,
WATER FLOW INDICATOR ,
FIRE SPRINKLER HEAD
