Model M25/GM25 Steam Traps
Features
- Single blade element
- Stainless steel internals
- Built in strainer & check valve
- Modulating discharge
- Continuous air & CO2 venting
- Fast start capabilities
- No loss of live steam
Description
Max. differential pressure - 320 PSI
Max. body pressure 750 PSI
Max. body temperature 650F
| Line sizes | |
| Model M25 | 1/2", 3/4", 1", 1 1/2", 2" |
| Model GM25 | 1/2", 3/4" |
| End connections threaded (BSP, NPT) socket weld or flanged | |
| Materials | |
| Body & Cover: | Forged carbon steel |
| Valve Seat: | Stainless steel |
| Valve Cone: | Stainless steel |
| Strainer: | Stainless steel |
| Nuts & Bolts | Steel |
| Gasket: | Flexible graphite |
| Mounting | |
| From horizontal to vertical. Self draining and freeze resistant when mounted in vertical position. | |
Operation
On initial start up the steam system, large amounts of cold condensate and air are present in the system. At this point the bimetallic strip of the delta element relaxes and fully opens the valve assembly to quickly expel the high volume of non-condensate gases and cold condensate through the discharge port.
As the element senses an increase in the condensate temperature the bimetal expands and raises the stem to modulate the flow. Just below the temperature of saturated steam the seat will close tightly to prevent live steam from discharging.
Application
A series of compact, high capacity steam traps developed to handle the varying loads and pressures and heating applications with differential pressure up to 320 PSI featuring a built in strainer and check valve the M26/GM25 is produced in sizes up to 2".
Dimensions
(Dimension 'D' is overall width)
M25
| Size | A | B | C | D | E | Wt |
|---|---|---|---|---|---|---|
| 1/2" | 4" | 6" | 3 5/8" | 4" | 2 5/8" | 8.4lb |
| 3/4" | 4" | 6" | 3 5/8" | 4" | 2 5/8" | 8.4lb |
| 1" | 5" | 6 3/4" | 3 5/8" | 4" | 3 1/2" | 9.9lb |
| 1 1/2" | 7 1/8" | 9 1/2" | 5 7/8" | 6" | 4 3/8" | 33lb |
| 1 1/2" | 7 1/8" | 9 1/2" | 5 7/8" | 6" | 4 3/8" | 33lb |
GM25
| Size | A | B | C | D | E | Wt |
|---|---|---|---|---|---|---|
| 1/2" | 4" | 6" | 3 5/8" | 4" | 2 5/8" | 8.4lb |
| 3/4" | 4" | 6" | 3 5/8" | 4" | 2 5/8" | 8.4lb |
Capacity charts: Condensate Capacity (1b/hr) at Pressure Differential
| Size | PSI Differential | 150 | 200 | 250 | 320 |
|---|---|---|---|---|---|
| 1/2" | Cold
start up Hot (Dripleg) |
4000 160 |
5000 180 |
6000 190 |
6200 200 |
| 3/4" | Cold
start up Hot (Dripleg) |
4000 160 |
5000 180 |
6000 190 |
6200 200 |
| 1" | Cold
start up Hot (Process) |
9000 800 |
12000 1100 |
14000 1500 |
14200 1800 |
| 1 1/2" | Cold
start up Hot (Process) |
20000 1200 |
22000 1100 |
24000 4000 |
28000 5300 |
| 1 1/2" | Cold
start up Hot (Process) |
20000 1200 |
22000 1100 |
24000 4000 |
28000 5300 |
| Size | PSI Differential | 150 | 200 | 250 | 320 |
|---|---|---|---|---|---|
| 1/2" | Cold start up Hot (Process) |
9000 800 |
12000 1000 |
14000 1300 |
14000 1500 |
| 1/2" | Cold start up Hot (Process) |
9000 800 |
12000 1000 |
14000 1300 |
14000 1500 |
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