Product Introduction
Grooved End Check Valve are built for robust performance and long-term reliability in demanding industrial environments. Crafted from high-grade ductile iron, they excel in preventing reverse flow in fire protection, water supply, and HVAC systems1. Their grooved-end design allows for quick and easy installation, significantly reducing labor time and cost. The valve's efficient swing mechanism minimizes pressure drop, contributing to lower energy consumption. Engineered for durability and minimal maintenance, these valves are an ideal choice for ensuring system integrity and operational efficiency.
Product Parameter
Product Name:Grooved End Check Valve
Main Material:Ductile Iron
Body Type:Grooved
Size Range:DN50(2") to DN300(12")
Working Pressure:25.2bar (365Psi)
Working Temperature:0℃ to 80℃(32℉ to 176℉)
Media:Water
Surface Finishing:Epoxy Coating
Purpose:Used in one-way flow pipeline to prevent the water from back flow
Application: High-rising building fire fighting system, near fire pump
Product Material
|
Part |
Material |
|
Body |
Ductile Iron |
|
Disc |
Ductile Iron,Covered By EPDM |
|
Stopper |
EPDM |
|
Clapper Arm |
Ductile Iron |
|
Hinge Pin |
Stainless steel 304 |
|
O-Ring |
EPDM |
|
Plug |
Stainless steel 304 |
Product Features
A cost-effective solution for supply and drain services.
User-friendly design allows for flexible and easy operation.
Adaptable installation saves time and reduces labor costs.
Spring-retainer system safeguards pipelines from water hammer shock.
Leak-free sealing eliminates product loss and maintenance downtime.
Lightweight structure and anti-fatigue properties ensure a long lifecycle.
FAQ
Q1:Can the disc and seals be replaced in the field?
Yes, a major advantage of many grooved designs is their repairability. The grooved coupling allows the valve to be easily disconnected. Once removed, many models allow the internal assembly (disc, spring, seals) to be accessed and replaced without needing to replace the entire valve body, saving significant cost.
Q2：How does its weight compare to a traditional flanged valve?
A grooved valve is significantly lighter-often 30% to 50% lighter-than a comparable flanged valve. This reduces shipping costs, simplifies handling on the job site without need for heavy lifting equipment, and minimizes the load and stress on the piping supports and structure.
Q3: Is there a risk of the disc sticking in the open or closed position?
Sticking is rare with proper application. It can occur if debris in the line jams the hinge mechanism or if scale/build-up prevents proper sealing. Choosing a valve with a stainless steel hinge pin and spring minimizes corrosion-related sticking. Regular flushing of systems can prevent debris issues.
Q4: What is the pressure rating for standard grooved swing check valves?
Standard valves are commonly rated for 300 PSI (or PN16/PN25). Higher-pressure models are available. It is crucial to select a valve whose maximum pressure rating (both working and test pressure) comfortably exceeds the maximum pressure expected in your system, including any potential surge pressures.
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