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RV08-22

Name: RV08-22 - Relief valve cartridge direct acting differential area
Brand: HydraForce

Relief valve cartridge direct acting differential area

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Overview

Description

RV08-22X is a screw in, cartridge style, direct acting, differential area, poppet type, hydraulic relief valve for use as a pressure limiting device in more demanding hydraulic circuits requiring low hysteresis and low internal leakage.

Operation

RV08-22X blocks flow from port 2 to port 1 until sufficient pressure is present at port 2 to force the poppet off its seat.

Ratings

Pressure Ratings

Pressure rating:

3600 psi [248.2 bar]

Proof pressure:

7200 psi [496.4 bar]

Burst pressure:

16168 psi [1037.7 bar]

Control pressure setting:

Pressure evident at 0.25 gpm [0.95 lpm]

Flow Ratings

Flow rating:

At Max pressure
8 gpm [30.3 lpm]

Maximum internal leakage:

At 75% of nominal setting
5 drops/min [0.25 ml/min] max

Temperature Ratings

Operating fluid temperature:

-40 °f to 212 °f [-40 °c to 100 °c] With Buna N seals
-15 °f to 400 °f [-26 °c to 204 °c] With fluorocarbon seals
-65 °f to 225 °f [-54 °c to 107 °c] With polyurethane seals

Storage temperature:

-40 °f to 160 °f [-40 °c to 70 °c]

Ambient temperature:

-40 °f to 160 °f [-40 °c to 70 °c]

Operating Parameters

Fluids:

Mineral based or synthetic with Lubricating properties.

Fluid viscosity range:

7.4-420 cSt

Maximum operating contamination level:

18/16/13 per ISO 4406

Properties

Pressure change per adjuster turn

A, B, C, and L

128

243

442

H and F

159

303

553

Corrosion protection:

Type iii clear zinc plating per ASTM B633 RV10-20X
960 hour salt spray per ASTM B117 GRV10-20X

Unit weight:

0.48 lb [0.218 kg] A, F
0.53 lb [0.240 kg] B
0.57 lb [0.259 kg] C, L
0.47 lb [0.213 kg] H

Internal wetted surface area:

17.4 in² [112 cm²] A, B, C, L
19.20in² [122 cm²] F, H

Performance

Dimensions

Installation Specifications

Cavity:

VC08-2

08-size-2-way Cavities

Cartridge installation torque:

19-21 ft-lb [25.8-28.5 N-m]
24-26 ft-lb [32.5-35.3 N-m] "H" plug

Maximum allowable torque:

30 ft-lb [40.7 N-m]

Orientation restriction:

None

Accessories

Seal kit:

SK08-2X-T (X=seal option) pressure on port 2 only
SK08-2X-M (X=seal option) bidirectional pressure

Seal kit installation instructions

Housings:

Available 08-2w valve bodies

Order Code

Model Options

RV08-22F-H-J-R/S

F Adjustment Option

1/4" Hex Allen Head

1-1/2" Diameter Aluminum Knob with Aluminum Lock Knob

1/4" Hex Allen Head with Cover Cap

Factory Preset Non-Adjustable

Factory Preset Hidden Adjustment

1/4" Hex Allen Head with Cover Cap and Lockwire Holes

H Line Body

No Body

Aluminum SAE 4

Aluminum SAE 6

Aluminum SAE 8

6TD

Ductile Iron SAE 6

8TD

Ductile Iron SAE 8

Aluminum BSPP 1/4" (2)

Aluminum BSPP 3/8" (3)

3BD

Ductile Iron BSPP 3/8" (3)

J Seal

Buna-N

Buna-N for Crossover Applications

Fluorocarbon

Fluorocarbon for Crossover Applications

Polyurethane

Polyurethane for Crossover Applications

PPDI Urethane

R Spring

3.4 to 34.5 bar (50 to 500 psi) Spring Range

6.9 to 78.5 bar (100 to 1100 psi) Spring Range

6.9 to 137.9 bar (150 to 2000 psi) Spring Range

17.2 to 248.2 bar (250 to 3600 psi) Spring Range

S Setting

MXXX

Spring Setting in XXX bar

Spring Setting in XX psi (x 100)

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RV08-22