Global Attributes

• Standard Valve (29)

Model

• HA4A (25)
• HA4W (4)

Reduced Port Plug

• Full Port (18)
• 25% Reduced (2)
• 50% Reduced (9)

Variation

• No Variation - Inlet Regulator (6)
• Differential (3)
• Differential with Electric Wide-Opening (1)
• Electric Shut-Off (3)
• Electric Wide-Opening (3)
• Outlet (3)
• Outlet with Electric Shut-Off (4)
• Outlet with Electric Shut-Off and External Equalizer (1)
• Pneumatically Compensated Outlet (1)
• Pneumatically Compensated Outlet with Electric Shut-Off and External Equalizer (1)
• Reseating Relief (3)

Range

• Range A, 0 to 150 psig (0 to 10 bar g) (6)
• Range B, 30 to 300 psig (2 to 21 bar g) (12)
• Range C, 100 to 550 psig (6 to 38 bar g) (7)
• Range D, 30 to 450 psig (0 to 31 bar g) (4)

Explosion Proof

• Stadnard Coil (29)

Pilot Solenoid Opening

• Normally Closed (29)

Options

• 1" SW Flange Connection (3)
• 1-1/4" SW Flange Connection (1)