Model

• HA4A (28)

Port Size

• 3/4" (20mm) (28)

Variation

• No Variation - Inlet Regulator (2)
• Differential (2)
• Differential Outlet with External Equalizer (1)
• Differential with Electric Wide-Opening (1)
• Differential with External Equalizer (1)
• Dual (2)
• Dual Electronic Control Module with Actuator (1)
• Dual Reseating Relief (1)
• Dual with Electric Wide-Opening (1)
• Electric Shut-Off (2)
• Electric Wide-Opening (1)
• Electric Wide-Opening and Shut-Off (1)
• Electronic Control Module with Actuator (1)
• Outlet (2)
• Outlet Electric Motor Compensated with Electric Shut-Off (1)
• Outlet with Electric Shut-Off (2)
• Outlet with Electric Shut-Off and External Equalizer (1)
• Pneumatically Compensated Outlet (1)
• Reseating Relief (3)
• Reseating Relief with Electric Wide-Opening (1)

Range

• Range A, 0 to 150 psig (0 to 10 bar g) (10)
• Range A, 0 to 150 psig (0 to 10 bar g)/Range A, 0 to 150 psig (0 to 10 bar g) (2)
• Range A, 0 to 150 psig (0 to 10 bar g)/Range B, 30 to 300 psig (2 to 21 bar g) (1)
• Range A, 0 to 87 psig (0 to 6 bar) (1)
• Range A, 0 to 87 psig (0 to 6 bar)/Range A, 0 to 87 psig (0 to 6 bar) (1)
• Range B, 30 to 300 psig (2 to 21 bar g) (5)
• Range B, 30 to 300 psig (2 to 21 bar g)/Range B, 30 to 300 psig (2 to 21 bar g) (1)
• Range C, 100 to 550 psig (6 to 38 bar g) (1)
• Range V, 20" to 130 psig (-0.67 to 9 bar g) (6)

Explosion Proof

• Stadnard Coil (28)

Pilot Solenoid Opening

• Normally Closed (28)

Refrigerant Type

• All Other Refrigerants (26)
• CO2 (2)