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Vertical Threaded Stainless Steel Check Valve

The Swing Check Valve with flanged connections is designed to automatically prevent backflow in piping systems by allowing flow in one direction only. It is suitable for use with water, oil, gas, steam, and other compatible fluids. With a robust body design and minimal pressure drop, this valve ensures long service life and efficient system protection.

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Description

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Application

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Parameters

Vertical Threaded Stainless Steel Check Valve9

✅ Technical Specifications

Parameter	Details
Size Range	DN50 to DN300 (Larger sizes available on request)
Pressure Rating	PN10 / PN16 / PN25 / ANSI 150
Body Material	Carbon Steel (WCB), Stainless Steel (CF8, CF8M)
Disc Material	Stainless Steel / EPDM coated Stainless Steel
Seal Material	NBR / EPDM / PTFE
Connection Type	Flanged (EN 1092-1 / ANSI B16.5)
Temperature Range	-10°C to +180°C (depending on seal material)
Design Standard	DIN / ANSI / API
Flow Direction	Horizontal or vertical (upward flow only)

✅ Key Features

✔ Prevents reverse flow automatically
✔ Flanged ends for easy installation
✔ Smooth flow with minimal pressure loss
✔ Heavy-duty design for industrial applications
✔ Maintenance-friendly structure
✔ Suitable for clean and slightly contaminated fluids
✔ Available with WRAS, CE, and ISO certifications

COVNA Factory

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Vertical Threaded Stainless Steel Check Valve1

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Vertical Threaded Stainless Steel Check Valve3

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Vertical Threaded Stainless Steel Check Valve4

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Vertical Threaded Stainless Steel Check Valve5

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✅ Applications

Water Supply and Drainage Systems

• HVAC Systems

• Oil and Gas Pipelines

• Chemical and Petrochemical Plants

• Power Generation

• Shipbuilding and Marine Systems

• Food and Pharmaceutical Processing

Certification

AGA

ISO14001

IAF

SGS

CE

FDA

RoHS

SGS

✅ Frequently Asked Questions (FAQ)

Q1: Can this valve be used for vertical installations?
Yes, it can be installed vertically as long as the flow direction is upward. For horizontal lines, ensure proper disc swing clearance.

Q2: Is the valve suitable for steam applications?
Yes, with the appropriate body and seal materials (such as PTFE), it can be used for steam up to 180°C.

Q3: How do I know which pressure class I need (PN16 or PN25)?
This depends on your system's maximum pressure. PN16 is common for general applications, while PN25 is used for higher pressure systems.

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