NFPA valve-mounting blocks have standardized valve mounting patterns to keep hydraulic lines compact and organized.
NPTF (Dryseal) threads are compatible with NPT threads. UN/UNF (SAE Straight) thread connections have straight threads and are also known as O-ring Boss fittings.
Pressure
Connection
Tank
Connection
Work
Connection
NFPA Mounting
Pattern ISO Trade
Size Pipe
Size Dash
Size Pipe
Size Dash
Size Pipe
Size Dash
Size Max.
Pressure, psi Material Each
D03 3 1/4 04 1/4 04 1/4 04 5,000 Iron 49995K906 $136.18
D05 5 1/2 08 1/2 08 1/2 08 5,000 Iron 49995K908 202.74
1 Station—UN/UNF (SAE Straight) Female
Pressure
Connection
Tank
Connection
Work
Connection
NFPA Mounting
Pattern ISO Trade
Size Thread
Size Dash
Size Thread
Size Dash
Size Thread
Size Dash
Size Max.
Pressure, psi Material Each
D03 3 3/4"-16 08 3/4"-16 08 3/4"-16 08 5,000 Iron 49995K907 $239.06
D05 5 3/4"-16 08 3/4"-16 08 3/4"-16 08 5,000 Iron 49995K909 202.74
2 Station—NPTF Female
Pressure
Connection
Tank
Connection
Work
Connection
Indicator/Gauge
Connection
NFPA Mounting
Pattern ISO Trade
Size Pipe
Size Dash
Size Pipe
Size Dash
Size Pipe
Size Dash
Size Pipe
Size Dash
Size Max.
Pressure, psi Material Each
D03 3 1/2 08 1/2 08 3/8 06 1/4 04 3,000 Aluminum 49995K1 $153.77
D05 5 3/4 12 3/4 12 1/2 08 1/4 04 3,000 Aluminum 49995K3 252.06
3 Station—NPTF Female
Pressure
Connection
Tank
Connection
Work
Connection
Indicator/Gauge
Connection
NFPA Mounting
Pattern ISO Trade
Size Pipe
Size Dash
Size Pipe
Size Dash
Size Pipe
Size Dash
Size Pipe
Size Dash
Size Max.
Pressure, psi Material Each
D03 3 1/2 08 1/2 08 3/8 06 1/4 04 3,000 Aluminum 49995K2 $153.77
D05 5 3/4 12 3/4 12 1/2 08 1/4 04 3,000 Aluminum 49995K4 252.06
