40300-500 SERIES

RELIEF VALVE - DIRECT ACTING

INLINEMALE NPTF TO FEMALE NPTF

Description

AN IN-LINE, DIRECT ACTING RELIEF VALVE THAT LIMITS MAXIMUM SYSTEM PRESSURE OR MAINTAINS A DESIRED PRESSURE WITHIN A CIRCUIT.

Product Rendering

Schematic

Typical Performance

Operation

  • FLOW FROM (2) TO (1) IS ALWAYS BLOCKED.
  • FLOW FROM (1) TO (2) IS BLOCKED UNTIL THE SPECIFIED RELIEF PRESSURE SETTING HAS BEEN EXCEEDED.

Features

  • LOW INTERNAL LEAKAGE.
  • CHROME STEEL BALL / HARDENED SEAT.
  • STEEL COMPONENTS.

Specifications

OPERATING PRESSURE 5000 PSI
RELIEF TOLERANCE +/- 10%
TEMPERATURE RANGE 250°F TO -40°F

Ordering Information

MODELINLET 1OUTLET 2LTHEX
4030X-5021/4-18 NPTF1/4-18 NPTF PORT3.700.5630.750
4030X-5033/8-18 NPTF3/8-18 NPTF PORT2.940.6250.875
4030X-5041/2-14 NPTF1/2-14 NPTF PORT3.500.7501.125

MODEL

INLET 1

OUTLET 2

L

T

HEX

MODEL

INLET 1

OUTLET 2

L

T

HEX

MODEL

INLET 1

OUTLET 2

L

T

HEX

4030X-502View More

1/4-18 NPTF

1/4-18 NPTF PORT

3.70

0.563

0.750

4030X-503View More

3/8-18 NPTF

3/8-18 NPTF PORT

2.94

0.625

0.875

4030X-504View More

1/2-14 NPTF

1/2-14 NPTF PORT

3.50

0.750

1.125