HERL

• Globe and angle types available
• TF: for liquid line
• TG: for suction- and pressure-gas site of compressors
• Steel and stainless steel
• Stop check valves
• Swing check valves
• Butt-weld, socket-weld, and FPT threaded
• Flanges are DIN & ANSI compliant

• Backpressure dependent and independent
• 3-way valve as dual relief valve combination
• Steel and stainless steel
• Optional bursting discs
• Optional liquid fillable U-trap at the outlet

• Same materials and design as shut-off valves
• Fine regulating valves DN15, seat diameter 3, 5, and 7 mm
• Globe and angle valves, steel and stainless steel
• Our valve calculation program displays the calculated minimum and maximum opening degrees
• Swing check valves
• Butt-weld, socket-weld, and FPT threaded
• Flanges are DIN & ANSI compliant

For installation as:

• Expansion valves for constant regulation to prevent compressors and pumps from becoming damaged
• Suction pressure regulating valves, lower pressure drop saves energy
• Evaporator injection valve
• Hot gas bypass valves

with:

• Electric or pneumatic actuators
• Pressure, temperature, and level sensors
• Electronic regulators and positioners
• Back signal modules
• Limit switches
• Stem heating
• Flanges, DIN & ANSI

• Valves with bellows-seals and safety-gland packing
• Ball valves and butterfly valves with gland packing & safety o-rings
• Steel or stainless steel on request
• Extended bonnets for thicker insulation
• Butt-weld, socket-weld, and FPT threaded
• Flanges are DIN & ANSI compliant
• Pneumatic actuator with fail-safe spring closing, spring opening, or double acting with 2/3 way solenoid valve
• Electric actuator, (connection types: 12/24/120/230/380V & 50/60Hz ) with 2 or 4 limit switches, positioners, or hand devices

• Included back seating
• Globe and angle valves
• Steel and stainless steel
• Extended bonnets for thicker insulation
• Different materials used for temperatures down to -106° C
• Butt-weld, socket-weld, and FPT threaded
• Flanges are DIN & ANSI compliant
• Reliable stem sealings for easy maintenance
• Mediums as CO2, propane, ethane, and special secondary mediums

• Included back seating
• Globe and angle valves
• Shut-off and regulation
• Steel and stainless steel
• Switch board design, (please inquire at factory)
• Bellows seal valves, (please inquire at factory)
• Butt-weld, nut and tail, blind nut, right/left nut and Ermeto 10mm ends
• Flanges are DIN & ANSI compliant

• Globe and angle types
• Steel and stainless steel
• Butt-welded, socket-welded, and FPT threaded ends
• Flanges are DIN & ANSI compliant