- Item Code: IS 022
- Pressure Rating: CL-1
- Testing Standard: IS 6157
- Size Range: 15mm to 100mm
- Product Standard: IS 778
Suitable For
Material Specification
| P. No. | NAME OF PART | MATERIAL | SPECIFICATION | |
|---|---|---|---|---|
| 1 | BODY | LEADED TIN BRONZE | IS:318 Gr. LTB2 | |
| 2 | DISC | LEADED TIN BRONZE / HIGH TENSILE BRASS | IS:318 Gr. LTB2 / IS:6912 Gr. FHTB1 | |
| 3 | COVER | LEADED TIN BRONZE / FORGED BRASS | IS:318 Gr. LTB2 / IS:6912 Gr. FLB | |
Dimensional Data
| SIZE (mm) | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 |
|---|---|---|---|---|---|---|---|---|---|
| L | 75 | 85 | 95 | 110 | 120 | 145 | 165 | 185 | 216 |
| ~H | 36 | 44 | 51 | 54 | 63 | 70 | 88 | 94 | 118 |
| Øb | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 |
| ØD | 95 | 105 | 115 | 140 | 150 | 165 | 185 | 200 | 220 |
| T | 6 | 6 | 8 | 8 | 9 | 11 | 13 | 13 | 16 |
| K | 65 | 75 | 85 | 100 | 110 | 125 | 145 | 160 | 180 |
| n | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 8 | 8 |
| Ød | 14 | 14 | 14 | 18 | 18 | 18 | 18 | 18 | 18 |
| Item Code (CL-1) |
IS022 | IS022 | IS022 | IS022 | IS022 | IS022 | IS022 | IS022 | IS022 |
Principle Features
- Design std.: IS:778.
- Screwed in cover, integral seat.
- Flanged ends as per IS:778.
- Disc is guided in body as well as in cover.
- Permits flow in one direction and close automatically if the flow reverses.
- Profiled contoured shape body for minimum pressure head loss.
PRESSURE RATING: CL-1
| TEST PRESSURE (HYDROSTATIC) : | |
|---|---|
| CLASS-1 | |
| BODY | SEAT |
| 1.5 Mpa (217.5 psig) | 1.0 Mpa (145 psig) |
END CONNECTION
- Flange as per IS:778 Class-I.
UTILISATION & SERVICE
- "LEADER" GUN METAL Horizontal Lift Check valves are suitable for above-ground & underground installations.
- Suited for installation in Horizontal Pipeline.
- Best suited for portable water, treated fresh water, neutral liquids.
WORKING PRESSURE
- Maximum Working Pressure: (CLASS-I) 10 Bar.
- See Pressure/Temperature Diagram.
TEMPERATURE LIMITS
- Maximum working temperature: 45°C.
- See Pressure/Temperature Diagram.