CS#20-1-7 Anchor Fluid Power | In-Line Hydraulic Check Valve, 7 PSI Cracking | 1-1/4" Female O-Ring Boss Ends | 50 GPM | 5,000 PSI | Zinc Plated Steel
CS#20-1-7 Anchor Fluid Power | In-Line Hydraulic Check Valve, 7 PSI Cracking | 1-1/4" Female O-Ring Boss Ends | 50 GPM | 5,000 PSI | Zinc Plated Steel
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CS#20-1-7 by Anchor Fluid Power | In-Line Hydraulic Check Valve, 7 PSI Cracking | 1-1/4" Female O-Ring Boss Ends | 50 GPM | 5,000 PSI | Zinc Plated Steel

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Inline Valves

Carbon Steel In-Line Check Valves

In-line hydraulic check valves in zinc chromate plated carbon steel with a hardened poppet and metal-to-metal seat, 7 PSI or 65 PSI cracking pressure. Female NPTF or SAE straight thread ports.

1

What are the key specifications?
Body

Carbon steel, zinc chromate plated

Max Pressure

5,700 PSI / 5,000 PSI / 4,500 PSI

Max Flow

4 to 110 GPM by size

Temperature

-4°F to +176°F

Cracking Pressure

7 PSI or 65 PSI

Seat

Metal to metal, hardened poppet

2

What are the main product features?
  • NPTF & SAE Connections.
  • Carbon Steel with Zinc Chromate Plating (RoHS Compliant).
  • Available in 7 PSI & 65 PSI Spring Cracking Pressures.
  • Metal to Metal Seat.
  • Hardened Poppet.
  • For hydraulic use only. Consult factory for fluid compatibility.
3

Which sizes are available?
Carbon Steel In-Line Check Valves dimension drawing
Size 7 PSI Cracking 65 PSI Cracking Thread Max Flow (GPM) Max PSI B (in) C (in)
Female NPTF ports
1/4" CN1/4-1-7 CN1/4-1-65 1/4 NPTF 4 5,700 2.17 0.75
3/8" CN3/8-1-7 CN3/8-1-65 3/8 NPTF 8 5,700 2.68 0.95
1/2" CN1/2-1-7 CN1/2-1-65 1/2 NPTF 13 5,700 2.95 1.06
3/4" CN3/4-1-7 CN3/4-1-65 3/4 NPTF 23 5,700 3.48 1.38
1" CN1-1-7 CN1-1-65 1 NPTF 40 5,000 4.33 1.61
1-1/4" CN1-1/4-1-7 CN1-1/4-1-65 1-1/4 NPTF 50 5,000 4.72 2.17
1-1/2" CN1-1/2-1-7 CN1-1/2-1-65 1-1/2 NPTF 80 5,000 5.43 2.56
2" CN2-1-7 CN2-1-65 2 NPTF 110 4,500 5.43 2.95
Female SAE straight thread (O-ring boss) ports
-4 (1/4") CS#4-1-7 CS#4-1-65 -4 SAE 4 5,700 2.17 0.75
-6 (3/8") CS#6-1-7 CS#6-1-65 -6 SAE 8 5,700 2.28 0.75
-8 (1/2") CS#8-1-7 CS#8-1-65 -8 SAE 13 5,700 2.72 0.95
-12 (3/4") CS#12-1-7 CS#12-1-65 -12 SAE 23 5,700 3.48 1.38
-16 (1") CS#16-1-7 CS#16-1-65 -16 SAE 40 5,000 4.33 1.61
-20 (1-1/4") CS#20-1-7 CS#20-1-65 -20 SAE 50 5,000 4.72 2.17
-24 (1-1/2") CS#24-1-7 CS#24-1-65 -24 SAE 80 5,000 5.43 2.56
-32 (2") CS#32-1-7 CS#32-1-65 -32 SAE 110 4,500 5.43 2.95

Dimensions in inches; letters as on the drawing.

4

How do I read the part number?

Example: CS#4-1-65.

Code Meaning
C Check Valve
N / S# Female NPTF / female SAE straight thread (dash size)
-1 Standard
-7 / -65 Cracking pressure, PSI
i
For hydraulic use only; consult Anchor Fluid Power for fluid compatibility. Dimensions are subject to change without notice.

How is this product sold?

Each.

Additional Product Data:

MAWP:

5000

Shape:

Straight

Ends Configuration:
  • 1-1/4in Female O-Ring Boss
  • 1-1/4in Female O-Ring Boss
  • Some Ends Match

Anchor Fluid Power

Anchor Fluid Power is a Cincinnati, Ohio–based manufacturer of hydraulic connection components, with an additional stocking facility in Houston, Texas. The ISO 9001 and ISO 45001 registered company produces flanges, couplings, valves, and fittings, along with custom components built to specification. Anchor products are used in mobile and stationary hydraulic equipment across a wide range of industries.

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