GRACO 563046 – Single Ball Check Valve 48 PSI Nominal Cracking psi, 1/4″ NPSF (F) x 1/8″ NPSF (F),

GRACO 563046 – Single Ball Check Valve 48 PSI Nominal Cracking psi, 1/4″ NPSF (F) x 1/8 in NPSF (F), SS Body/FKM Ball, 7500 PSI, 1/4-18 NPSF x 1/4-18 NPSF

Single Ball Soft Seat Check Valve designed for hydraulic or lubrication systems with pressures up to 7500 PSI. Features a poppet and soft ball check design that improves check valve reliability. Provides optimum sealing against reverse flow with tapered outlet end to help identify flow direction. Compatible with oil and grease lubricants and FKM materials.

Additional Specifications

Length: 1.94 in (49.3 mm)

Thread: 1/4-18 NPSF x 1/4-18 NPSF

Max Working Pressure: 7500 PSI (517 bar) maximum operating pressure

Material: SST body, Steel spring, FKM ball

Hex Size: .75 in (19.1 mm)

Nominal Cracking Pressure: 50 PSI (3.5 bar)

Max Operating Temp: 400°F (204.5°C)

Net Weight: 113g (4 oz)

Style: A

Specifications

Application	Compressor Equipment
Ball Material	Viton
Body Material	Stainless Steel
Compatible Material	Oil, Grease
Inlet Size (in)	1/4
Inlet Thread Type	NPSF
Maximum Cracking Pressure (MPa)	0.345
Maximum Cracking Pressure (psi)	50
Maximum Working Pressure (MPa)	51.7
Maximum Working Pressure (psi)	7500
Number of Balls	Single Ball
Outlet Size (in)	1/4
Outlet Thread Type	NPSF
Type	Check Valve

Features

Provides optimum sealing against reverse flow

Tapered at outlet end to help identify flow direction

Poppet and soft ball check design improves reliability

Arrow stamped on body indicates flow direction

Available in wide range of pipe thread and tube size combinations

Applications

Hydraulic systems

Lubrication systems

Systems with pressures up to 7500 PSI

Compatible Equipment

Oil and grease lubricants

Mineral based and synthetic lubricants compatible with FKM

Related Parts

563048 – Single Ball Check Valve – 35 PSI Nominal Cracking Pressure, 1/8 in NPSF (F) x 1/8 in NPT(F) (M), CS Body/FKM Ball, 100 PSI

564325 – Soft Seat Single Ball Check Valve – 50 PSI Nominal Cracking Pressure, 1/8 NPT(F) x 1/4 NPSF, SST Body/Viton Ball, 7500 PSI

563052 – Single Ball Check Valve 35 PSI Nominal Cracking Pressure, 7/16-20″ SAE (M) x 7/16-20″ SAE (F), SS/FKM, 7500 PSI

563061 – Double Ball Check Valve 48 PSI Nominal Cracking PSI, 1/4″ NPSF (F) x 1/4″ NPSF (F), SS Body/FKM Ball, 7500 PSI

This is a single ball version. Double ball versions are also available in this product family for added protection.

Reference Manuals

L15825EN – F (Page 3)