vu series check valves

VU SERIES

The VU series check valves are used in any type of hydraulic circuit, with a safe, compact design suitable to any hydraulic application using non-corrosive liquids. The VU size range includes two different standard openings at 5 to 65 psi. The VU series can also be used as a pressure sequence valve by adjusting the internal spring loading to the required cracking point, according to the valve size.

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  • Agricultural

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Description

Check Valves : Black Oxide & Steel

FEATURES
  • Size range: 1/4” thru 2”
  • Port options: NPT, SAE, BSP
  • Standard SAE and NPT threads
  • Standard crack 5 psi and 65 psi; various crack pressures optional
  • Material: steel with black phosphate
  • Closing spring: C72 material
  • Central exhausting hole option
APPLICATIONS
  • Any type of hydraulic circuit
  • Any hydraulic application using non-corrosive liquids
  • As pressure sequence valve, by adjusting the internal spring loading to the required cracking point according to valve size

Pressure Drop

vu pressure drop

SIZE MAX SUGGESTED FLOW MAX OPERATING PRESSURE BURST PRESSURE
DESCRIPTION inch I/mm GPM MPa psi MPa psi
VU 18 1/8 6 1.59 40 5800 160 23200
VU 14 1/4 24 6.36 35 5075 140 20300
VU 38 3/8 46 12.19 35 5075 140 20300
VU 12 1/2 90 23.85 30 4350 120 17400
VU 34 3/4 148 39.22 30 4350 120 17400
VU 100 1 200 53 30 4350 120 17400
VU 114 1 1/4 378 100.17 25 3625 100 14500
VU 112 1 1/2 600 159 25 3625 100 14500
VU 200 2 1000 265 15 2175 45 6525

Temperature range: from -20 C (-4 F) to 120 oC (248 F)

Size Diagram

vu size diagram

B C D WEIGHT
DESCRIPTION A mm inch mm inch mm inch kg lb
VU 18 1/8 14.0 0.55 44.0 1.73 16.2 0.64 0.038 0.08
VU 14 1/4 19.0 0.75 60.0 2.36 21.9 0.86 0.090 0.20
VU 38 3/8 24.0 0.94 70.0 2.76 27.7 1.09 0.185 0.41
VU 12 1/2 30.0 1.18 77.0 3.03 34.6 1.36 0.303 0.67
VU 34 3/4 36.0 1.42 90.0 3.54 41.6 1.64 0.499 1.10
VU 100 1 45.0 1.77 106.0 4.17 52.0 2.05 0.901 1.99
VU 114 1 1/4 55.0 2.17 125.0 4.92 63.5 2.50 1.513 3.34
VU 112 1 1/2 65.0 2.56 140.0 5.51 75.1 2.96 2.430 5.36
VU 200 2 75.0 2.95 160.0 6.30 86.6 3.41 3.130 6.90
B C D WEIGHT
DESCRIPTION A mm inch mm inch mm inch kg lb
VU 14 SAE 7/16-20UNF 19.0 0.75 60.0 2.36 21.9 0.86 0.100 0.22
VU 38 SAE 9/16-18UNF 24.0 0.94 70.0 2.76 27.7 1.09 0.192 0.42
VU 12 SAE 3/4-16UNF 30.0 1.18 77.0 3.03 34.6 1.36 0.315 0.69
VU 34 SAE 1-1/16-12UN 36.0 1.42 94.0 3.70 41.6 1.64 0.490 1.08
VU 100 SAE 1-5/16-12UN 45.0 1.77 106.0 4.17 52.0 2.05 0.870 1.92
VU 114 SAE 1-5/8-12UN 55.0 2.17 125.0 4.92 63.5 2.50 1.486 3.28
VU 112 SAE 1-7/8-12UN 65.0 2.56 140.0 5.51 75.1 2.96 2.410 5.31
VU 200 SAE 2-1/2-12UN 75.0 2.95 160.0 6.30 86.6 3.41 2.995 6.60

VUS NPT Thread Soft Seal Check Valves

CRACK POINT BODY SIZE PORT SIZE THREAD TYPE ORDER CODE DESCRIPTION
VUS NPT THREAD
5 psi 3/4 3/4 NPT 810701100 VUS 34 NPT 5 PSI SOFT SEAT
50 psi 3/4 1 NPT 810701400 VUS 100 NPT 50 PSI SOFT SEAT

VU NPT and SAE Thread

CRACKPOINT BODYSIZE PORTSIZE THREADTYPE ORDER CODEBLACK OXIDE ORDER CODECHROME III DESCRIPTION
VU NPT THREAD
5 psi 1/8 1/8 NPT 810201100 810501100 VU 18 NPT 5 PSI
5 psi 1/4 1/4 NPT 810201101 810501101 VU 14 NPT 5 PSI
5 psi 3/8 3/8 NPT 810201102 810501102 VU 38 NPT 5 PSI
5 psi 1/2 1/2 NPT 810201103 810501103 VU 12 NPT 5 PSI
5 psi 3/4 3/4 NPT 810201104 810501104 VU 34 NPT 5 PSI
5 psi 1 1 NPT 810201105 810501105 VU 100 NPT 5 PSI
5 psi 1 1⁄4 1 1⁄4 NPT 810201106 810501106 VU 114 NPT 5 PSI
5 psi 1 1⁄2 1 1⁄2 NPT 810201107 810501107 VU 112 NPT 5 PSI
5 psi 2 2 NPT 810201108 810501108 VU 200 NPT 5 PSI
5 psi 3/4 3/4 NPT 810201109 810501109* VU 34F 1.5 NPT 5 PSI
5 psi 1 1 NPT 810201110 810501110* VU 100F 1.5 NPT 5 PSI
5 psi 1/2 1/2 NPT 810201112 810501112* VU 12EI NPT 5 PSI**
65 psi 1/8 1/8 NPT 810201400 810501400 VU 18 NPT 65 PSI
65 psi 1/4 1/4 NPT 810201401 810501401 VU 14 NPT 65 PSI
65 psi 3/8 3/8 NPT 810201402 810501402 VU 38 NPT 65 PSI
65 psi 1/2 1/2 NPT 810201403 810501403 VU 12 NPT 65 PSI
65 psi 3/4 3/4 NPT 810201404 810501404 VU 34 NPT 65 PSI
65 psi 1 1 NPT 810201405 810501405 VU 100 NPT 65 PSI
65 psi 1 1⁄4 1 1⁄4 NPT 810201406 810501406 VU 114 NPT 65 PSI
65 psi 1 1⁄2 1 1⁄2 NPT 810201407 810501407 VU 112 NPT 65 PSI
65 psi 2 2 NPT 810201408 810501408 VU 200 NPT 65 PSI
VU SAE THREAD
5 psi 1/4 1/4 SAE 810204100 810504100 VU 14 SAE 5 PSI
5 psi 3/8 3/8 SAE 810204101 810504101 VU 38 SAE 5 PSI
5 psi 1/2 1/2 SAE 810204102 810504102 VU 12 SAE 5 PSI
5 psi 3/4 3/4 SAE 810204103 810504103 VU 34 SAE 5 PSI
5 psi 1 1 SAE 810204104 810504104 VU 100 SAE 5 PSI
5 psi 1 1⁄4 1 1⁄4 SAE 810204105 810504105 VU 114 SAE 5 PSI
5 psi 1 1⁄2 1 1⁄2 SAE 810204106 810504106 VU 112 SAE 5 PSI
5 psi 2 2 SAE 810204107 810504107 VU 200 SAE 5 PSI
65 psi 1/4 1/4 SAE 810204400 810504404 VU 14 SAE 65 PSI
65 psi 3/8 3/8 SAE 810204401 810504401 VU 38 SAE 65 PSI
65 psi 1/2 1/2 SAE 810204402 810504402 VU 12 SAE 65 PSI
65 psi 3/4 3/4 SAE 810204403 810504403 VU 34 SAE 65 PSI
65 psi 1 1 SAE 810204404 810504400 VU 100 SAE 65 PSI
65 psi 1 1⁄4 1 1⁄4 SAE 810204405 810504405 VU 114 SAE 65 PSI
65 psi 1 1⁄2 1 1⁄2 SAE 810204406 810504406 VU 112 SAE 65 PSI
65 psi 2 2 SAE 810204407 810504407 VU 200 SAE 65 PSI
*Available upon special request **Female X Male NPT

VU NPT Thread

CRACK POINT BODY SIZE PORT SIZE THREAD TYPE ORDER CODE DESCRIPTION
VU NPT THREAD
14 psi 1/4 1/4 NPT 810201200 VU 14 NPT 14 PSI
14 psi 1/2 1/2 NPT 810201201 VU 12 NPT 14 PSI
14 psi 3/4 3/4 NPT 810201202 VU 34 NPT 14 PSI
14 psi 1 1 NPT 810201203 VU 100 NPT 14 PSI
14 psi 1 1/4 1 1/4 NPT 810201204 VU 114 NPT 14 PSI
14 psi 1 1/2 1 1/2 NPT 810201205 VU 112 NPT 14 PSI
21 psi 1 1 NPT 810201300 VU 100 NPT 21 PSI
57 psi 1/2 1/2 NPT 810201409 VU 12 NPT 57 PSI
115 psi 1/2 1/2 NPT 810201600 VU 12 NPT 115 PSI
115 psi 3/4 3/4 NPT 810201601 VU 34 NPT 115 PSI
145 psi 1 1 NPT 810201602 VU 100 NPT 145 PSI
215 psi 1/4 1/4 NPT 810201700 VU 14 NPT 215 PSI
290 psi 1/2 1/2 NPT 810201701 VU 12 NPT 290 PSI

Additional information

Body Size

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Material

Port Size

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Port Options

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Working Pressure

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