850MJ
850MJ
Model 850MJ
Specifications:
- Sizes –3", 4", 6", 8", 10", 12", 14", 16"
- Ductile iron body and cover
- Epoxy coated interior & exterior for corrosion resistance
- Certified to ANSI/NSF 61
- Stainless steel bolts
- Buna encapsulated steel flexible disc with nylon fabric reinforcement
- Vertical or horizontal (flow upwards) installation
- 250 psig (1725 kPa/17 barg) maximum working pressure, 500 psig (3450 kPa/35 barg) test pressure
- Optional EPDM disc
Dimensions
Dimension "D" clearance required to remove access cover
Valve Size | A | B | C | D |
3 | 13 | 3 | 3.90 | 9 |
4 | 14.96 | 4 | 4.65 | 9.75 |
5 | – | 5* | – | 10.25* |
6 | 19.3 | 6 | 6.22 | 11 |
8 | 23.81 | 8 | 7.80 | 13.75 |
10 | 28.34 | 10 | 10.20 | 16 |
12 | 33 | 12 | 11.38 | 18.5 |
14 | 35 | 14 | 12.00 | 20.5 |
16 | 37 | 16 | 13.58 | 23.5 |
Part Number | Description | Material | ASTMDesignation |
1 | Body | Ductile Iron | ASTM A-536 ▼ |
2 | Bonnet | Ductile Iron | ASTM A-536 ▼ |
3 | Disc | Steel / BUNA-N or EPDM | ASTM A-36/D-2000 BK 807 |
4 | Gasket | Rubber (BUNA N) | D 2000 BK 807 |
5 | Bonnet Bolts | Stainless steel | MJ - Type 304 |
6 | Interior Lining | Epoxy | - |
7* | Plug | Ductile Iron | ASTM A-536 ▼ |
8 | Exterior Coating | MJ - epoxy / FL - primer | - |
▼ Material strength ASTM A536 65-45 minimum