Type 310A
19
Key Description
Part number
19 Wiper Ring, Nitrile (NBR)
(Not for use over 200°F (93°C))
NPS 1 (DN 25)
1R748204152
NPS 2 (DN 50)
1R745203362
NPS 3 (DN 80)
1R750704152
NPS 4 (DN 100)
1R752604152
NPS 4 x 6 (DN 100 x 150) (2 required)
1R752604152
20 Indicator Cap, 410/416 Stainless steel
NPS 1 (DN 25)
12A6413X012
NPS 2 (DN 50)
12A6414X012
NPS 3, 4, and 4 x 6 (DN 80, 100, and 100 x 150)
12A6415X012
21 Screw, Carbon-plated steel (2 required)
1C941928982
24 Pipe Plug, Steel (not shown)
1A369224492
26* Backup Ring, PTFE (4 required)
NPS 1 (DN 25)
1V435606242
NPS 2 (DN 50)
1V435706242
NPS 3 (DN 80)
1V435806242
NPS 4 and 4 x 6 (DN 100 and 100 x 150)
1V435906242
27* Disk, PTFE
NPS 1 (DN 25)
10A8224X012
NPS 2 (DN 50)
10A8225X012
NPS 3 (DN 80)
10A8226X012
NPS 4 and 4 x 6 (DN 100 and 100 x 150)
10A8227X012
28 Disk Holder, 303/316 Stainless steel
NPS 1 (DN 25)
10A8228X012
NPS 1 (DN 25) (NACE)
10A8228X022
NPS 2 (DN 50)
10A8229X012
NPS 2 (DN 50) (NACE)
10A8229X022
NPS 3 (DN 80)
10A8234X012
NPS 3 (DN 80) (NACE)
10A8234X022
NPS 4 and 4 x 6 (DN 100 and 100 x 150)
10A8235X012
NPS 4 (DN 100) (NACE)
10A8235X022
Figure 13.
Backpressure Protection System Assembly
Key Description
Part number
29* Body Gasket, Nitrile (NBR)
NPS 1 (DN 25)
11A6853X012
NPS 2 (DN 50)
11A6854X012
NPS 3 (DN 80)
11A6855X012
NPS 4 and 4 x 6 (DN 100 and 100 x 150)
11A6856X012
38 Drive Screw, 18-8 Stainless steel (4 required)
1A368228982
Mounting Parts
Single-Pilot or Wide-Open Monitor
Pilot Mounting
Key Description
Part number
22 Tubing, 316 Stainless steel (not shown)
0500213809W
23 Elbow, Plated steel (not shown)
Steel
15A6002XW32
316 Stainless steel
15A6002X612
71 Pipe Nipple, 1/2 NPT (not shown)
1B828626012
Working Monitor Pilot Mounting
Key Description
Part number
45 Mounting Bracket, Steel
14B8803X012
46 Tubing, 316 Stainless steel
0500213809W
50 Elbow, Plated steel (5 required)
15A6002XW32
52 Plug, Brass
1V211714012
53 Spacer, 304 Stainless steel
17B8959X012
54 Tubing, 316 Stainless steel
0500213809W
55 Tubing, 316 Stainless steel
0500213809W
56 Connector
15A6002XW22
14B6654
TYPE 32A PILOT
LOADIng TuBIng
ChECK VALVE
TYPE 310A MAIn VALVE
*Recommended Spare Part