NTPA 300 Liquid Nitrogen Plunger Pump 1.25inch Cold End Assy Parts
描述
NTPA 300 Liquid Nitrogen Plunger Pump 1.25inch Cold End Assy Parts
Cold End Repair
Ensure you understand and familiarize yourself with the drawings:
- Tighten the hex socket set screws on the discharge threaded press caps to 65 Nꞏm.
- Torque the piston rod nuts to 135 Nꞏm.
- Torque the packing gland nuts to 28 Nꞏm.
- Arrange parts in assembly order on the workbench.
- Measure the interference fit between the bypass sleeve outer diameter and the cylinder inner bore;
- if greater than 0.02 mm, use liquid nitrogen freezing for assembly.luben@youlongpetro.com
- Install O-rings, sealing rings, spacer rings, and packing gland assemblies on the cylinder.
- Assemble the piston guide ring, three different piston rings, expansion ring on the piston as per
- the drawing, paying attention to the notch orientation.
- Insert the piston assembly into the cylinder.
- Install the valve plate, suction head gasket, suction spring, and suction head on the right side of
- the cylinder.whatsapp +8615972752793
- Install the discharge valve guide, discharge valve, discharge port seal within the suction head.
- Install the discharge spring, discharge fitting, and end lock nut, along with the Allen set screws.
- Install the plunger coupling, plunger rod, and cold end lock nut
| Item No. | Description | Part No. | Qty. |
| COLDEND,1.25″ | P30-01-065 | ||
| 1 | NUT-LOCK | P30-16-001 | 1 |
| 2 | ADAPTERPISTONCOUPLING | P30-01-057 | 1 |
| 3 | NUTPISTONCOUPLING | P30-01-056 | 1 |
| 4 | RIDERRING,GUPD,DISCHARGEPOPPET | P30-16-004 | 1 |
| 5 | POPPET,DISCHARGE,GUPD | P30-01-064 | 1 |
| 6 | SPRINGDISCHARGE(SCD) | P30-16-006 | 1 |
| 7 | RING-RIDERGUPD/GAPD,1.25″ | P30-01-028 | 2 |
| 8 | RING,PISTON1.25DIA | P30-01-029 | 10 |
| 9 | SPACERSEAL2.00DIALMPD | P30-16-009 | 6 |
| 10 | EXPANDER,PISTONRING1.25DIAGMPD | P30-01-030 | 5 |
| 11 | RING-SEAL whatsapp +8615972752793 | P30-16-011 | 1 |
| 12 | SEAL,HAT | P30-16-012 | 6 |
| 13 | SPRING,BELLEVILLE | P30-16-013 | 2 |
| 14 | NUT,PACKINGGLAND,1.625DIAGMPD | P30-16-014 | 1 |
| 15 | ADAPTERSCRAPER | P30-16-015 | 1 |
| 16 | PISTONADAPTER1.25DIAGMPD | P30-01-058 | 1 |
| 17 | LINER-NUT whatsapp +8615972752793 |
P30-16-017 | 1 |
| 18 | RING,JAM,HEAD,GUPDPUMP | P30-16-118 | 1 |
| 19 | GASKET,HEAD | P30-01-063 | 1 |
| 20 | GASKETDISCHARGEGUPD | P30-01-062 | 1 |
| 21 | PISTON,1.25″ | P30-01-066 | 1 |
| 22 | PLATE,SUCTIONVAVLE,1.625&1.25DIA | P30-16-022 | 1 |
| 23 | SPRING,SUCTION(SCD) | P30-16-023 | 1 |
| 24 | HEAD,GUPD | P30-16-124 | 1 |
| 25 | SLEEVE,CYLINDER,GUPD-1.25DIA | P30-01-061 | 1 |
| 26 | CYLINDERGUPD1.625DIA | P30-16-126 | 1 |
| 27 | FITTINGDISCHARGEGUPD | P30-16-127 | 1 |
| 28 | SEAL,GLANDSPRINGLOADEDTEFRINGFIT | P30-16-028 | 1 |
| 29 | PLUG,3/8″NPT(4N-06) | X26-02-034 | 1 |
| 30 | PLUG,3/4″NPT luben@youlongpetro.com | X26-02-849 | 1 |
| 31 | RING,RETAINING2.016FREEODX0.118 | P30-16-031 | 1 |
| 32 | ORING,1.81250INCHIDX2.00000INCH | P30-16-032 | 1 |
| 33 | SHCS,1/2″-20UNFX1-1/2″(316L),GRADEL3 | P80-25-020 | 10 |
| 34 | RING,SCRAPER1.907ODX1.618IDBRON | P30-16-034 | 1 |
10323-2,10339-1C,49454-1,14687-1,10353-1,782329-4,15522-1,10352-1,15526-1,15527-1,48783-4,15536-2,15541-1,17212-2,44418-1,51099-1,44451-1,44452-1,44414-1,87129-302,85020,84133,86007 luben@youlongpetro.com
