Port Size
- 20mm (3/4 in) (77)
- 25mm (1 in) (49)
- 32mm (1 1/4 in) (55)
- 40mm (1 5/8 in) (42)
- 50mm (2 in) (28)
- 65mm (2 1/2 in) (39)
- 75mm (3 in) (27)
- 100mm (4 in) (26)
Check Valve
Coil Style
- DIN, Green LED Pilot Light (45)
- DIN, Red LED Pilot Light (13)
- DIN, Standard (39)
- Leaded, Green LED Pilot Light (100)
- Leaded, Red LED Pilot Light (33)
- Leaded, Standard (113)
Flange Type
Flange Connection
- None (68)
- 3/4 in (25)
- 1 in (30)
- 1 1/8 in (1)
- 1 1/4 in (68)
- 1 3/8 in (2)
- 1 1/2 in (34)
- 1 5/8 in (1)
- 2 in (37)
- 2 1/8 in (3)
- 2 1/2 in (20)
- 2 5/8 in (1)
- 3 in (34)
- 4 in (19)
High Set Point
Low Set Point
Plated
Range
Reduced Capacity
Strainer
Valve Material
Brands
Parker A4AD No Variation - Dual Pressure (Low/High)
A4AD No Variation - Dual Pressure (Low/High)