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OLDR21

OLDR21
Pressure regulator, differential, 2-1/8" ODF, 5 to 50 psig, 48.6 tons, 11.06" L
Vendor Name:
Sporlan
URI Part Number:
OLDR21
Vendor Part Number:
4373-00
Shipping Weight (Lbs.):
7.65
Adjustment Range (psi):
5 - 50 psid
Capacity:
at 40°F evaporator temperature, 100°F condensing, for R404a, at 1 psig pressure drop
Capacity (Tons):
48.6
Connection Size (In.):
2 1/8 ODF
Overall Height (In.):
7.24
Overall Length (In.):
11.06
Use Coil Model:
MKC1
Prop65:
WARNING: This product can expose you to chemicals including Lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

These valves maintain a differential pressure between the defrost and the liquid headers (receiver) in supermarket systems to allow reverse flows during the defrost cycle.

  • Differential valve and solenoid in one component
  • Adjustment range: 0-50 psid
  • Capacity at 40°F evaporator temperature, 100°F condensing, 25°F superheated return, R404A 2 psi ?P
  • OLDR operation: fully open when de-energized, differential mode when energized
  • LDR, XTM, XTO operation: differential mode when de-energized, fully open when energized
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