90 degree Grooved Elbow
Grooved rigid or flexible coupling
Specifications:Grooved Flexible coupling
| Name | Grooved flexible coupling |
| Standard | ANSI, ASTM, DIN, JIS, GB, BS, etc |
| Size | 1"-8" |
| Material | Ductile Iron ASTM A536/QT450-10 |
| Surface Finish | Paint Epoxy Powder or Galvanized |
| Color | Red-RAL3000,Blue,Orange or as customer want |
| Working Pressure | 300 PSI/2.07 Mpa |
| Tensile Strength | Min.Psi-65,000(Mpa-448) |
| Approval | FM/UL/ISO |
| Usage | 1) Automatic sprinkler system for fire protection on commercial, civil and municipal constructions like water supplying, gas supplying, heat supplying, etc. |
2) Industrial pipeline system on shipping,mine,textile
oil field,powder plant, etc. |
| 3) Pipeline system on subway station, railway |
Rubber gasket data
| Gasket | Name | Tamperature range | General service recommendations | Color |
| E | EPDM | -34~+150ºC(-30~+230° F) | Recommended for hot water service with specified temperature rang plus a variety of dilute acids,oil-free airand many chemical service with ANSI/NSF61 or cold +86° F(+30ºC)and hot +180º F(+82ºC)potable water service.not recommended for petroleum service | Green strip |
| D | NBR | -29~+82ºC(-20~+180° F) | recommended for petroleum products.air with oil vapors,vegetable and mineral oils within the specified temperature range.Not recommended for hot watefr service | Orange strip |
| S | Silicone | -40~+177ºC(-40~+350° F) | Recommended for high temperature dry air and some temperature chemical products | White |
Bolts and Nuts
Raw material of bolt And nuts are taken as 40cr or 35# steel and its mechanical properties should reach Gr.8.8 after Hot-treatment.Only one wrench will be used during the installation,safely and firmly
| Bolt dimension | M10 | M12 | M16 | M20 | M22 |
| Spanner dimension | 15 | 18 | 24 | 30 | 34 |
Juntong Factory vision
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