Sanitary Threaded Check Valve
KINGMAN sanitary threaded check valve — Structure & Specifications: The product mainly comes in spring-loaded, ball-type and other structural forms, with connection options including tri-clamp, welded and flanged types for quick installation and removal, making routine maintenance and cleaning easy. Common sizes range from DN15 to DN100 (1″–4″), suitable for atmospheric, low-pressure and high-pressure applications. Its compact structure and low flow resistance ensure smooth opening and closing of the valve disc, effectively dampening water hammer in the pipeline for stable, durable long-term performance.
Specifications
| Parameter | Value |
|---|---|
| Product Type | Sanitary Check Valve |
| Size Range | DN15‑DN100 (approx. 1/2"‑8") |
| Body & Disc Material | 304 / 316L stainless steel (AL6XN, Hastelloy, Alloy 22 available on request) |
| Seal Material | EPDM (standard) /Silicon (optional — please confirm) |
| Working Temperature | 130 °C |
| Max. Working Pressure | 1000 kPa (10 Bar) for DN15‑DN100; 800 kPa (8 Bar) for DN125‑DN150 |
| Min. Working Pressure | Full vacuum (with EPDM seal) |
| Connection Standard | 3A / SMS / DIN / ISO / RJT / IDF / ASME BPE |
| Connection Type | Tri‑Clamp / Weld / Threaded / Flange (please confirm) |
| Operation Type | Manual handle / Pneumatic actuator |
| Certification | ISO 9001, 3A,CE,EAC,health wading license |
Dimensions
DIN Standard
| Material Code | Size | B2 | G | A |
|---|---|---|---|---|
| CV01DINTTEP04015 | DN15 | 87.0 | RD34×1/8 | 111.0 |
| CV01DINTTEP04020 | DN20 | 87.0 | RD44×1/6 | 115.0 |
| CV01DINTTEP04025 | DN25 | 87.0 | RD52×1/6 | 117.0 |
| CV01DINTTEP04032 | DN32 | 87.0 | RD58×1/6 | 117.0 |
| CV01DINTTEP04040 | DN40 | 87.0 | RD65×1/6 | 117.0 |
| CV01DINTTEP04050 | DN50 | 100.0 | RD78×1/6 | 122.0 |
| CV01DINTTEP04065 | DN65 | 130.0 | RD95×1/6 | 156.0 |
| CV01DINTTEP04080 | DN80 | 155.0 | RD110×1/4 | 167.0 |
| CV01DINTTEP04100 | DN100 | 165.0 | RD130×1/4 | 176.0 |
Features
- Thread‑end connection enables convenient manual assembly and disassembly without welding or special tools, simplifying on‑site pipeline modification and component replacement.
- Valve body and internal moving parts are high‑precision CNC machined, achieving tight fitting tolerance and stable sealing performance under repeated opening‑closing cycles.
- Well‑optimized full‑bore inner flow path eliminates dead‑leg areas, preventing medium retention and fully compatible with CIP online cleaning for hygienic production requirements.
- Adopts differential‑pressure self‑actuated structure with no extra driving parts, automatically realizing one‑way conduction and effectively blocking backflow to avoid system cross‑contamination.
- Multiple sealing material alternatives such as EPDM and silicone are available to cope with diverse media, temperature ranges and vacuum working scenarios.
- Produced in compliance with international sanitary standards, widely applied in food, pharmaceutical and liquid‑cooled fluid pipelines, and supports worldwide project export.
Working Principle
This stainless-steel sanitary threaded check valve relies entirely on fluid pressure for automatic operation, requiring no auxiliary driving devices. Positive-direction flow lifts the internal disc off the seat, enabling stable medium circulation with minimal resistance. Upon flow stop or the occurrence of reverse pressure, the disc presses onto the seat seal, forming a reliable barrier that immediately stops any backward flow inside the pipeline. The threaded ends allow direct connection to threaded pipe fittings or equipment ports without welding, simplifying installation and maintenance in hygienic lines.
Why Choose KINGMAN
Sample Support
Request samples before bulk purchasing to evaluate machining quality, surface condition, dimensions and connection compatibility, giving your team practical product evidence before adding a new item to regular sourcing.
Surface Options
Mechanical polishing, electropolishing and passivation can be selected according to required roughness, cleaning conditions and fluid-contact environments, allowing surface treatment to follow the actual application rather than appearance alone.
Scalable Capacity
With more than 2 million units of annual output, successful sample and trial products can move into recurring purchasing without requiring your team to qualify another manufacturing source.
