Energy-saving Muffler Check Valve
manufacturer: Shanghai MeiYan Yi Pump & Valve Co., Ltd.
E-mail: sales@1bengfa.com
Tel: +86 (21) 5640 2009
Mob: +86 138 1691 3072（WeChat Same Account）
product drawing
Energy-saving muffler check valves
Features and usages
H41X-type energy-saving muffler check valve is generally applicable to the discharge pipes, the disc adopts imported two end central shaft guide, open and close is flexible, it can be installed horizontally or vertically. The design of disc uses spring-loaded, its rapid closure can effectively eliminate water hammer, with good sealing performance, no noise when closed. The valve has a small size, light weight, small fluid resistance, fatigue resistance, long service life and other features.
Dimensions & constructral diagram
Energy-saving muffler check valve constructral diagram
Performance and specifications
| type | nominal pressure MPa | shell test pressure MPa | sealing test pressure MPa | applicable medium | working temperature ℃ |
| H41X-10 | 1.0 | 1.5 | 1.1 | water, weak corrosive fluid | ≤80 |
| H41X-16 | 1.6 | 2.4 | 1.76 | water, weak corrosive fluid | ≤80 |
The materials of main parts
| type | body | sealing ring | spring |
| H41X-10 | cast iron or stainless steel | （NBR） | stainless steel wire lCr18Ni9Ti |
| H41X-16 | cast iron or stainless steel | （NBR） | stainless steel wire lCr18Ni9Ti |
External and connection dimensions
| nominal pressure PN (mm) | nominal diameter DN (mm) | dimensions(mm) | nominal pressure PN (mm) | nominal diameter DN (mm) | dimensions(mm) | ||||||||
| L | D | K | b | z-фd | L | D | K | b | z-фd | ||||
| 1.0 | 40 | 112 | 145 | 110 | 18 | 4-18 | 1.6 | 40 | 112 | 145 | 110 | 18 | 4-18 |
| 50 | 120 | 160 | 125 | 20 | 4-18 | 50 | 120 | 160 | 125 | 20 | 4-18 | ||
| 65 | 130 | 180 | 145 | 20 | 4-18 | 65 | 130 | 180 | 145 | 20 | 4-18 | ||
| 80 | 150 | 195 | 160 | 22 | 8-18 | 80 | 150 | 195 | 160 | 22 | 8-18 | ||
| 100 | 165 | 215 | 180 | 24 | 8-18 | 100 | 165 | 215 | 180 | 24 | 8-18 | ||
| 125 | 190 | 245 | 210 | 26 | 8-18 | 125 | 190 | 245 | 210 | 26 | 8-18 | ||
| 150 | 210 | 280 | 240 | 26 | 8-22 | 150 | 210 | 280 | 240 | 26 | 8-22 | ||
| 200 | 255 | 335 | 295 | 28 | 8-22 | 200 | 255 | 335 | 295 | 30 | 12-22 | ||
| 250 | 310 | 390 | 350 | 28 | 12-22 | 250 | 310 | 405 | 355 | 32 | 12-26 | ||
| 300 | 320 | 440 | 400 | 28 | 12-22 | 300 | 320 | 460 | 410 | 32 | 12-26 | ||
| 350 | 380 | 500 | 460 | 30 | 16-22 | 350 | 380 | 520 | 470 | 36 | 16-26 | ||
| 400 | 405 | 565 | 515 | 32 | 16-26 | 400 | 405 | 580 | 525 | 38 | 16-30 | ||
| 450 | 430 | 615 | 565 | 32 | 20-26 | 450 | 430 | 640 | 585 | 40 | 20-30 | ||
| 500 | 450 | 670 | 620 | 34 | 20-26 | 500 | 450 | 715 | 650 | 42 | 20-33 | ||
| 600 | 510 | 780 | 725 | 36 | 20-30 | 600 | 510 | 840 | 770 | 48 | 20-36 | ||
