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Check valve
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Product Details
| Brand Name | BG | Place of Origin | Beijing, China | |
| Model Number | BGH7/L | |||
| Application | General | Structure | Check | |
| Standard or Nonstandard | Standard | Pressure | Medium Pressure | |
| Power | Manual | Port Size | Standard | |
| Media | Water | Temperature of Media | Medium Temperature |
Plywood box
Product Description
Technical Data:
Size DN50-DN300
Working Pressure PN10/PN16
Flange Drilling ANSI B16.1 Class 125,EN1092-PN16*
Inspection and Test API598
*All available Flange drilling kindly refer to the attached Flange Drilling Dimensions.
Product Features:
Wafer body style fits between FF to RF flanges.
Upper and lower PTFE thrust washers
Resilient Buna-N or EPDM seat.
Dual Plate Valves give maximum strength with minimum opening time.
Torsion spring assist valve closure,preventing flow reversal.
Thrust washers reduce friction and wear of valve plate hinges.
Material of Construction
Description Material Specification
Body Ductile iron GGG 40
Disc Stainless Steel AISI 304
Seat NBR/ EPDM
Spring Stainless Steel AISI 304
*Other material request kindly refer to Bill of MainMaterials of Beigao.
| Dimensions- Check valve | ||||||||||
| Size | L | D | D1 | D2 | E | F | G | J | α | |
| DN | NPS | |||||||||
| 50 | 2'' | 54 | 101.6 | 84.1 | 66.7 | 52.4 | 125 | 18 | 47.6 | 45 |
| 65 | 2-1/2'' | 54 | 120.7 | 98.4 | 79.4 | 52.4 | 145 | 18 | 58.7 | 45 |
| 80 | 3'' | 54 | 133.4 | 115.9 | 92.1 | 52.4 | 160 | 18 | 69.9 | 22.5 |
| 100 | 4'' | 63.5 | 171.5 | 142.9 | 117.5 | 81.9 | 180 | 18 | 87.3 | 22.5 |
| 125 | 5'' | 66.7 | 193.7 | 171.5 | 144.5 | 65.1 | 210 | 18 | 112.7 | 22.5 |
| 150 | 6'' | 79.4 | 222.3 | 200 | 171.5 | 77.8 | 240 | 22 | 141.3 | 22.5 |
| 200 | 8'' | 98.4 | 269.9 | 254 | 222.3 | 96.8 | 295 | 22 | 192.1 | 15 |
| 250 | 10'' | 101.6 | 336.6 | 308 | 276.2 | 100 | 355 | 26 | 230.2 | 15 |
| 300 | 12'' | 130.2 | 406.4 | 365.1 | 327 | 128.6 | 410 | 26 | 274.6 | 15 |
| * Other available Flange drilling kindly refer to the attached Flange Drilling Dimensions. | ||||||||||
Company Profile
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- Shanghong Mechanical Equipment Import & Export Co., Ltd.
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