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Model DM6/DM12/DS12 Steam Traps

Features

  • Single blade element
  • Stainless steel internals
  • Built in check valve
  • Modulating discharge
  • Continuous air & CO2 venting
  • Fast start capabilities
  • No loss of live steam

Description

Max. Differential Pressure
DM6 - 70 PSI
DM12 & DS12 - 150 PSI
End connections threaded (BSP, NPT) socket weld

Line sizes  
Model DM6 3/8", 1/2". 3/4"
Model GM25

1/2", 3/4"

   
Materials  
Body & Cover: Forged carbon steel
Shell (DS12): Investment cast
Stainless Steel
Valve Seat: Stainless steel
Valve Cone: Stainless steel
Bimetal: 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.


 

 


DM6/DM12

DS12

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 line of lightweight, yet rugged steam traps that provide modulating discharge of light condensate loads without the loss of live steam. These traps feature energy-efficient operation with excellent start up capacities for services with differential pressures up to 150 PSI. The DS12 features sealed stainless steel construction while the DM6/DM12 are fully maintainable.
  

Dimensions

DS12
Size
A
B
Wt
1/2"
2 5/8 "
3 3/4"
1.8lb
3/4"
2 5/8"
3 3/4"
1.8lb
 
DM6/DM12
Size
A
B
C
D
Wt
3/8"
2 7/16"
3"
2 1/4"
2 7/6"
2.2lb
1/2"
2 7/16"
3"
2 1/4"
2 7/6"
2.2lb
3/4"
4 9/16"
3 1/8"
2 1/4"
2 7/16"
3.0lb
  
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