Valves
DESCRIPTION
Kumars Lift Check Valve confirm to API602 & ASME B16.34 are provided smooth machined full opening of the wedge estimation additional pressure drop across the valve.
DESIGN CONSTRUCTION
| Bolted Bonnet | 800 |
| Welded Bonnet | 1500 & 2500 |
DETAILS
| SIZE | 1/2''TO2'' |
| PRESSURE CLASS | 800,1500,2500 |
STANDARDS
| Design Standard | API602 / ASME B16.34 |
| Inspection Standard | API598 |
| Face To face | MFG.STANDARD |
| End Connection | BUTT WELD AS PER ASME B16.25 / SOCKET WELD AS PER ASME B16.11 / SCREWED AS PER ASME B1.20.1 |
MATERIAL
| Body | ASTM A105N / ASTM A350LF2 / ASTM A182 F11-CL2 / ASTM A182 F22-CL3 / ASTM AF91 / ASTM A182 304L /ASTM A182F316L |
| Wedge | ASTM A217GR.CA15 / ASTM A276 TYPE 410 / ASTM A217GR CF8M SS316 / ASTM A217GR.CF8 SS304 / MONELALLOY-20 /HAST-ALLOY |
| Seat | ASTM A276 TYPE 410 SS316 SS304 /ASTM A A276 TYPE 410 + ST6 /MONELALLOY-20 / HAST-ALLOY |
| Stem | ASTM A276 TYPE 410 /SS316/ SS304 /MONELALLOY-20/HAST-ALLOY |
| Gland Packing | INCONEL BREADED RING WITH CORROSION INHIBITOR + MOLDED GRAPHITERING |
| Bonnet Gasket | SPIRAL WOUNDED 316 + GRAPHITE |
TEST PRESSURE
| Class | Hydraulic Body KgCm2 (PSIG) | Hydraulic Seat Back Seat KgCm2(PSIG) | Seat Air KgCm2(PSIG) |
| 800 | 210 (2986) | 153 (2176) | 7 (100) |
| 1500 | 396 (5632) | 291 (4138) | 7 (100) |
| 2500 | 660 (9387) | 484 (6884) | 7 (100) |
FORGED Lift Check VALVE BILL OF MATERIAL
| SL No. | Part Name | Material Specification | Qty |
|---|---|---|---|
| 1 | Body | ASTM A105N | 1 |
| 2 | Bonnet | ASTM A105N | 1 |
| 3 | Plug | ASTM A217 GrCA15 | 1 |
| 4 | Seatring | ASTM A276 TYPE 410 | 2 |
| 5 | Hex Bolt | A193Gr.B7 + ZnPLATED | 1 |
| 6 | Gasket | SPW SS316 + GRAPHITE | 1 |
| 7 | Spring | SS316 | 1 |
LIFT CHECK VALVE STANDARD DIMENSION CHART
| LIFT CHECK VALVE CLASS 800 |
Size | L | H | Wt.(Approx.)(KG) | ||||
| Inch | mm | RB | FB | RB | FB | RB | FB | |
| 1/2 | 15 | 90.0 | 90.0 | 54.3 | 56.5 | 1.500 | 1.600 | |
| 3/4 | 20.0 | 90.0 | 102.0 | 56.5 | 66.5 | 1.600 | 2.800 | |
| 1 | 25 | 102.0 | 130.0 | 66.5 | 90.0 | 2.800 | 5.400 | |
| 1 1/2 | 40.0 | 130.0 | 148.0 | 90.0 | 105.0 | 5.400 | 9.000 | |
| 2 | 50 | 148.0 | 180.0 | 105.0 | 125.0 | 9.000 | 15.200 | |
| LIFT CHECK VALVE CLASS 1500 |
Size | L | H | Wt.(Approx.)(KG) | ||||
| Inch | mm | RB | FB | RB | FB | RB | FB | |
| 1/2 | 15 | 90.0 | 90.0 | 50.0 | 50.0 | 1.300 | 1.300 | |
| 3/4 | 20.0 | 90.0 | 102.0 | 52.0 | 63.0 | 1.400 | 2.600 | |
| 1 | 25 | 102.0 | 130.0 | 63.0 | 63.0 | 2.600 | 2.600 | |
| 1 1/2 | 40.0 | 130.0 | 130.0 | 85.0 | 85.0 | 5.200 | 5.200 | |
| 2 | 50 | 148.0 | 148.0 | 90.0 | 90.0 | 8.800 | 8.800 | |
| LIFT CHECK VALVE CLASS 2500 |
Size | L | H | Wt.(Approx.)(KG) | |
| Inch | mm | FB | FB | FB | |
| 1/2 | 15 | 90.0 | 47.0 | 1.400 | |
| 3/4 | 20 | 102.0 | 77.0 | 2.600 | |
| 1 | 25 | 130.0 | 87.0 | 5.200 | |
| 1 1/2 | 40 | 148.0 | 93.0 | 8.800 | |
| 2 | 50 | 180.0 | 109.0 | 15.000 | |
Special requirements
Special material ,customer specific design & internal parts provide as per requirement & on request.
Note: -Due to continues developments we reserve the right to change the parameters with out prior notice
