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Dn450 PN 6 EPDM rubber expansion joint with stainless steel flange for sea water

Dn450 PN 6 EPDM rubber expansion joint with stainless steel flange for sea water

Nombre De La Marca: Lianghe
Número De Modelo: Kxt
MOQ: 1 set
Precio: $28.9-$85.6
Detalles Del Embalaje: Las cajas de madera también se pueden empaquetar de acuerdo con los requisitos del cliente
Condiciones De Pago: T/T, D/P, D/A, Western Union, MoneyGram, L/C
Información detallada
Lugar de origen:
PORCELANA
Certificación:
ISO9001
Material final:
Acero carbono
Presión:
PN0.6, PN1.0, PN1.6, PN2.5MPA
fabricante:
Sí, añadir fábrica: Ciudad Gongyi, China
Material de goma:
Se aplican las siguientes medidas:
Capa de refuerzo:
Anillo de alambre de acero
Medio:
Agua marina/petróleo/gas/ácido/alcalino
Mercado principal:
Estados Unidos, Europa, Arabia Saudita, Türkiye, Indonesia
Marco principal:
Tejido de cordones de nylon
Técnico:
Vulcanizado, echando
Capacidad de la fuente:
8000 conjuntos por mes
Resaltar:

DN450 EPDM rubber expansion joint

,

stainless steel flange expansion joint

,

seawater resistant rubber expansion joint

Descripción de producto

ANSI Standard Flange Rubber Expansion Joint Shock Absorber for Pipeline


The single-ball rubber joint is a highly elastic and airtight pipe connection component. It consists of a rubber ball with an inner rubber layer, a reinforcement layer, and an outer rubber layer, and a loose metal flange.


It is widely used in various piping systems, effectively absorbing vibration and noise, compensating for thermal expansion and contraction caused by temperature changes, and allowing a certain degree of deflection.

Dn450 PN 6 EPDM rubber expansion joint  with stainless steel flange for sea water 0





Rubber Material Selection Guide


Natural Rubber (NR): Suitable for ordinary water and air media, temperature range -20°C to +80°C


Ethylene Propylene Diene Monomer (EPDM): High-temperature and ozone-resistant, suitable for hot water and steam media


Nitrile Butadiene Rubber (NBR): Excellent oil resistance, suitable for oil-based media


Chloroprene Rubber (CR): Excellent weather resistance, suitable for outdoor environments


Dn450 PN 6 EPDM rubber expansion joint  with stainless steel flange for sea water 1


Application Scenario Details


Chemical Piping Systems
In acid and alkaline media transport pipelines, a Teflon-coated lining design, combined with corrosion-resistant rubber, effectively resists chemical corrosion. After use at a Guangxi chemical company, pipeline leakage rates were reduced by 95%.


HVAC Systems
EPDM connectors, designed specifically for high-temperature hot water, have operated continuously in an 85°C circulating hot water system for three years without signs of aging. The vibration-damping effect reduces pump noise by 15 decibels.


Water Supply and Drainage Engineering
Large-diameter DN1200 connectors are used in urban water supply systems, successfully compensating for 25mm displacement caused by foundation settlement and preventing pipe ruptures.

Dn450 PN 6 EPDM rubber expansion joint  with stainless steel flange for sea water 2

Dn450 PN 6 EPDM rubber expansion joint  with stainless steel flange for sea water 3


Professional Installation Steps
Pre-installation Inspection: Confirm that the flange sealing surface is flat and undamaged, and that the bolt holes are aligned.

Precise Positioning: Use a dedicated positioning tool to ensure concentricity between the joint and the pipe.

Stepped Tightening: Tighten the bolts in three steps using a crisscross pattern.

Pressure Test: First, perform a static pressure test at 1.5 times the working pressure, maintaining pressure for 30 minutes.



Maintenance Recommendations
Monthly check for surface degradation

Quarterly check bolt tightness

Perform a comprehensive inspection annually

Create a maintenance log to record equipment usage



Testing Standards
All products undergo the following before shipment:

Airtightness test: 1.5 times the working pressure for 10 minutes

Vacuum test: -0.09 MPa for 5 minutes

Displacement performance test: Fatigue test simulating actual working conditions

Material analysis: Spectroscopic analysis of rubber components to ensure compliance with standards



Solutions to Common Problems
Problem 1: Leakage after installation
Solution: Check the flange sealing surface for flatness and re-tighten the bolts in a crisscross pattern.


Problem 2: Cracks develop during use
Solution: Verify the medium temperature exceeds the rubber tolerance and replace the connector with a high-temperature-resistant material.


Problem 3: Pull-out prevention device inoperative
Solution: Check the stop bolts for looseness and readjust the stop distance.

Dn450 PN 6 EPDM rubber expansion joint  with stainless steel flange for sea water 4




Contact us now: Our technical team is ready to provide you with professional pipe connection solutions.
Ordering Information: Standard products ship within 3 days, special sizes within 7-15 days.
Global Shipping: We support various shipping methods, including sea and air freight.