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Solar - Air vents and air separators
Safety relief valves
253
Safety relief valves
Description:
Safety relief valves for solar systems.
Brass body.  Chrome plated.
Female-female connections.
 
Working temp range: -20 - 360°F
Normal pressure:  150 psi
Opening over pressure:  10%
Closing differential:  20%
Discharge capacity:  171,000 Btu
 
Connections:
- Inlet, 1/2" female
- Discharge, 3/4" female

Approval:  According to TÜV SV 07 2009
 
Rating: TÜV - SOL - 50 - p/ANSI Z21.22
 
TÜV Rheinland is an approved U.S. Nationally Recognized Testing Laboratory (NRTL) Certification Body for Pressure Equipment.  Meets ANSI Z21.22 "Relief Valves for Hot Water Supply Systems"
 


International approvals:

Articles:
codedescriptionlbspackcase
253042Factory set to 35 psi0.31 
253043Factory set to 45 psi0.31 
253044Factory set to 60 psi0.31 
253046Factory set to 90 psi0.31 
253048Factory set to 120 psi0.31 
253040Factory set to 150 psi0.31 

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