Diesel Engine Controls

CV50-20 — Pressure Regulator, High Pressure
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CV50-20 Valve

SYMBOL:
CV50-20 Valve symbol

DESCRIPTION
A screw-in, cartridge-style, pressure regulator device for use in diesel engine applications,
such as variable flow pumps, fuel and oil controls, and SCR/EGR emission and exhaust controls.

OPERATION
The CV50-20 allows flow passage from 1 to 2, while normally blocking oil flow in the opposite direction.
The cartridge has a fully guided check which is spring-biased closed until sufficient pressure is applied
at 1 to open to 2.

FEATURES
• Compatible with diesel fuel types 1 and 2.
• Corrosion-resistant plating.
• Stainless steel options available - consult factory.
• Hardened seat for long life and low leakage.
• Optional bias springs for back-pressure application flexibility.
• Fully guided check assembly.
• Industry-common cavity.

RATINGS
Operating Pressure: 345 bar (5000 psi)
Flow: Up to 75.8 lpm (20 gpm)
Internal Leakage: 0.10 cc/minute (2 drops/minute) max. at 345 bar (5000 psi)
Crack Pressure Defined: Gauge psi evident at 1 at 16.4 cc/minute (1 cu. in./minute) attained
Standard Bias Springs at Crack: 0.34 bar (5 psi); 1.0 bar (15 psi); 2.1 bar (30 psi); 4.8 bar (70 psi)
Temperature: -54 to 104°C (-65 to 225°F) with Polyurethane seals
Filtration: Compatible with ISO Classification 19 (25 µm), NAS classification
Fluids: For use with common diesel fluids
Installation: No restrictions; See page 9.020.1
Cavity: VC10-2; See page 9.110.1_2w
Cavity Tool: CT10-2xx; See page 8.600.1
Seal Kit: SK10-2P-T; See page 8.650.1

PERFORMANCE:

CV50-20 Valve Performance Chart

  DIMENSIONS:CV50-20 Valve Dimensions

MATERIALS:

Cartridge: Weight: 0.08 kg. (0.17 lbs.);
Steel with hardened work surfaces.
Zinc-plated exposed surfaces; Buna N
O-rings and back-ups standard.

Standard Ported Body: Weight:
0.43 kg. (0.95 lbs.); Ductile iron
(code 'D') rated to 345 bar (5000 psi);
See page 8.010.1_2w.
  ORDERING CHART:

CV50-20 Ordering Chart

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