T21-Herl-series Parker - Refrigerating Specialties SRV HERL T21.1

The T21.1 series of valves can be used in both industrial refrigeration and chemical industries.The new PTFE-Compound disc sealing is suitable for a larger range of refrigerants and mediums. The temperature range is -50°C to +120°C and the pressure range is 3,5 barg to 40 barg. T21.1 is a standard safety valve for refrigerant according to EN-378-1 (annex E). The design belongs to DIN EN 12284, EN 13136, EN ISO 4126. It has a type test approval according to Pressure Equipment Directive 97/EC from TUV Rheinland. ATEX certified for explosion-proof areas are also available. The T21.1 is available in different connections:

• Flanges acc. to EN1092 PN 25/40 with groove
• Flanges acc. to ANSI 16,5 class 150, 300 RF
• G1/2" inlet, G1" outlet
• Thread male 1/2" MPT inlet, 1" MPT outlet