Port Size

• 3/4" (252)
• 1" (252)
• 1-1/4" (189)
• 1-1/2" (126)
• 2" (126)
• 2-1/2" (63)

Connection Type

• Butt Weld (378)
• Flanged (189)
• Less Flanges (189)
• Socket Weld (252)

Model

• Standard (48)
• Differential (48)
• Dual (192)
• Electric Shut-Off (192)
• Electric Wide-Opening (192)
• Outlet (48)
• Outlet With Shut-Off (192)
• Pneumatically Compensated (48)
• Reseating Relief (48)

Range

• Range A, 0-150 PSIG (336)
• Range B, 30-300 PSIG (336)
• Range V, 20"-130 PSIG (336)

Coil

• Less Coil (432)
• With Coil (576)

Coil Voltage

• 115VAC (192)
• 240VAC (192)
• 24VDC (192)