Forged Steel Piston Check Valve
Class 800 Forged Steel Check Valve for High Pressure Industrial Piping
WEISSMILLER Forged Steel Piston Check Valve is designed for high pressure industrial piping applications where reliable reverse flow prevention is required. Built with forged steel body construction, bolted cover design, and automatic flow-operated closing, this valve is suitable for steam, oil, gas, utility, and general process service.
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Product Overview
Forged Steel Piston Check Valve is an automatic non-return valve used to prevent reverse flow in high pressure piping systems. The piston check design allows flow in one direction and closes automatically when backflow occurs.
Based on the product marking, this valve is supplied with A105N forged steel body, Class 800 pressure rating, 13Cr disc, STL 6 seat, and threaded end connection. Its compact forged construction makes it suitable for steam, oil, gas, and industrial utility lines.
Key Features
Forged Steel Body
A105N forged steel body construction provides strength and durability for high pressure service.
Class 800 Rating
Designed for high pressure industrial piping applications requiring compact and robust check valve performance.
Piston Check Design
Internal piston check mechanism supports automatic reverse flow prevention.
Bolted Cover Construction
Bolted cover design provides compact construction and supports maintenance access.
13Cr Disc
13Cr disc material supports wear resistance for industrial flow applications.
STL 6 Seat
STL 6 seat provides hard-faced sealing surface for improved durability.
Technical Specification
| Item | Specification |
|---|---|
| Product Type | Forged Steel Piston Check Valve |
| Valve Type | Check Valve / Non-Return Valve |
| Brand | WEISSMILLER |
| Construction | Forged Steel, Bolted Cover |
| Size | 3/4" / DN20 |
| Body Material | A105N |
| Pressure Class | Class 800 |
| Disc Material | 13Cr |
| Seat Material | STL 6 |
| Stem / Internal Material | 13Cr |
| Temperature Range | -29°C to 425°C |
| Connection | Threaded End / NPT or BSPT Available Upon Request |
| Operation | Automatic by Flow Pressure |
| Flow Direction | Marked on Body |
| Function | Reverse Flow Prevention |
| Suitable Media | Steam, Oil, Gas, Utility Line, and General Industrial Fluid |
| Application | High Pressure Line, Steam Line, Oil and Gas Piping, Utility System, and Industrial Process Line |
Product Details
Additional product views showing the forged steel body, bolted cover, threaded end connection, body marking, flow direction arrow, and nameplate information for easier product identification and technical reference.
Applications
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