Diesel Engine Controls

CV16-20 — Pressure Regulator
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CV16-20 Valve

CV16-20 Valve symbol

A screw-in, cartridge-style, pressure regulator for use as a blocking or load-holding
device for diesel engine applications, such as variable flow pumps, fuel and oil
controls, and SCR/EGR emission and exhaust controls. A tall adapter is required
for 100 and 150 springs and a taller adapter is required for 220 springs.

The CV16-20 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.

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

Operating Pressure: 241 bar (3500 psi)
Proof Pressure: 350 bar (5075 psi)
Flow: Up to 151 lpm (40 gpm)
Internal Leakage: 0.25 cc/minute (5 drops/minute) max. at 240 bar (3500 psi)
Crack Pressure Defined: Gauge psi evident at 1 at 0.95 lpm (0.25 gpm) attained
Standard Bias Springs at Crack: 0.34 bar (5 psi); 1.7 bar (25 psi); 4.1 bar (60 psi)
Temperature: -40 to 100°C (-40 to 212°F) with Buna seals;
   -26 to 204°C (-15 to 400°F) with fluorocarbon seals;
   -54 to 107°C (-65 to 225°F) with polyurethane seals
Filtration: Compatible with ISO Classification 19 (25 mµ), NAS classification
Fluids: For use with common diesel fluids and urea
Installation: No restrictions; See page 9.020.1
Cavity: VC16-2; See page 9.116.1_2w
Cavity Tool: CT16-2xx; See page 8.600.1
Seal Kit: SK16-2x-T; See page 8.650.1


CV16-20 Valve Performance Chart

  DIMENSIONS:CV16-20 Valve Dimensions


Cartridge: Weight: 0.28 kg. (0.61 lb.) With tall adaptor for 100 & 150 size size springs: 0.39 kg. (0.87 lb.) With tall adaptor for 220 size spring: 0.57 kg
(1.25 lb.) Steel with hardened work surfaces. Zinc-plated exposed surfaces. Buna N O-rings and polyester elastomer back-ups standard.

Standard Ported Body: Weight:
0.57 kg. (1.25 lb.); Anodized high-strength 6061 T6 aluminum alloy, rated to 207 bar (3000 psi); Ductile iron bodies available; dimensions
may differ. See page 8.016.1_2w.

CV16-20 Ordering Chart

More Diesel Control Products. PDF file of this page. STP file for CV16-20 Get Custom Powertrain Control Engineering Assistance