The Butterfly Slow Shut Non-Return Check Valve, Model HBH47H, is a new type of flanged slow-closing check valve featuring a triple-offset design, metal-to-metal sealing, and a built-in buffer damper. It is widely used in industrial applications such as oil, chemical, food, pharmaceutical, textile, papermaking, water supply and drainage, smelting, and power plants. This valve prevents backflow and effectively eliminates destructive pressure surges caused by sudden flow changes.
**Key Specifications:**
- **Model No.:** HBH47H
- **Flow Direction:** Unidirectional
- **Standards:** ANSI, API, DIN, BS, GB, etc.
- **Application:** Industrial usage, including water treatment, chemical processing, and more
- **Applicable Media:** Fresh water, sewage, seawater, air, gas, acids
- **Trademark:** KARFAR
- **Packaging:** Bubble plastic paper + wooden case
- **Size Range:** DN300 to DN1800
- **Origin:** China
**Features:**
1. Compact and lightweight design with easy maintenance.
2. The buffer device has an elegant design, compact structure, and reliable performance. It is installed outside the pipeline to prevent medium contamination.
3. Smooth operation with minimal vibration and noise.
4. Triple-offset structure ensures optimal face-to-face length, reducing flow resistance and eliminating pressure surges.
5. Excellent sealing performance with no leakage.
6. Strong opening and closing capacity. The opening pressure is ≤ 0.08 MPa, with quick opening and adjustable closing speed. The closing process consists of two stages: first a rapid closure, followed by a slower, adjustable second stage to ensure safe and controlled shut-off.
**Main Components and Materials:**
| Part | Material |
|-----------|----------------------------------------|
| Body | Cast iron, ductile iron, cast steel, stainless steel, etc. |
| Disc | Cast steel, stainless steel, bronze, etc. |
| Stem | Stainless steel |
| Seat | Rubber seat ring, stainless steel layer, etc. |
| Buffer Damper | Stainless steel |
This butterfly check valve is designed for long-term durability and efficient performance in various industrial environments. Its advanced design and high-quality materials make it a reliable choice for critical fluid control systems. Whether you're dealing with water, gas, or corrosive media, the HBH47H model offers excellent protection against backflow and pressure surges. With its user-friendly installation and maintenance features, it's ideal for both new installations and system upgrades.
duct categories of Face Shield, we are specialized manufacturers from China, Virus Proof Face Shield, Protective Face Shield suppliers/factory, wholesale high-quality products of Plastic Protective Face Shield R & D and manufacturing, we have the perfect after-sales service and technical support. Look forward to your cooperation!
Full Face Mask,Virus Proof Face Shield,Mouth-Muffle,High Filtering Face Mask
Changsha City Kangbojia Medical Supplies Co., Ltd. , https://www.kbjmedical.com