Luoke Valve (Chongqing) Co., Ltd.
Luoke Valve (Chongqing) Co., Ltd.
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Small Size HH47 butterfly buffer check valve
Product Description
Butterfly buffer check valve is mainly used at the outlet of the pump in industrial water supply and sewage treatment plants to prevent the reverse flow of the medium in the pipe network and automatically eliminate the destructive water hammer, so as to ensure that the pump and pipeline are not damaged. The butterfly buffer check valve is mainly composed of valve body, disc, buffer device and micro control valve. Butterfly buffer check valve has novel structure, small size, small fluid resistance, stable operation, reliable sealing, wear resistance, good cushioning performance and other characteristics, H47X, HH47X, HH47H, H47XF, HDH47X butterfly buffer check valve is the best product for industrial water and urban sewage discharge.
Product structure reference drawing
Product Application
Fluorine lined single valve swing check valve is widely used in petroleum, chemical industry, power station, chemical fiber, urban construction, railway pharmaceutical, environmental protection, metallurgy, building water supply and drainage engineering, fire protection system, paper making, mining, tap water, farmland water conservancy, fertilizer and other industries.
Specification of performance
| Specification of design | Length of structure | Connecting flange | Test and inspection | Product identification | Specification of Supply |
| JB/T 8937 | GB/T 12221 | JB/T 78;JB/T 79 | GB/T 13927 | GB/T 12220 | JB/T 7928 |
Main shape and connection dimensions
| DN(mm) | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 | 700 | 800 | 900 | 1000 | 1200 | 1400 |
| L | 230 | 250 | 270 | 290 | 310 | 330 | 350 | 390 | 430 | 470 | 510 | 550 | 630 | 710 |
| H | 550 | 630 | 690 | 780 | 860 | 910 | 980 | 1070 | 1220 | 1320 | 1430 | 1550 | 1800 | 1980 |
| B1 | 540 | 600 | 650 | 710 | 770 | 830 | 900 | 1090 | 1200 | 1320 | 1420 | 1550 | 1780 | 2000 |