Fueling

OCV 108-3 Aviation

Pantograph/Back Pressure Relief/Check Valve

The pressure control valve shall function to prevent the upstream pressure from falling below a predetermined minimum while closing to prevent reverse flow.

The OCV 108-3 has a wide range of applications - anywhere a system must be protected from pressures that are too high (relief) or too low (sustaining) and reverse flow must be prevented. Typical
applications include:
– Pump systems
– Fuel distribution systems

Downloads

Product Page (PDF)

IOM (PDF)

Technical Specifications

Size Unit

Size range

DN32 - DN600 (1¼” - 24")

Pressure rating

Pressure Rating (ANSI at 100°)

250psi for Class 150# ANSI Flanged Ductile Iron

285psi for Steel/Stainless Steel & Aluminum

300# ANSI Flanges are available

End connection type

Sizes

Threaded Ends: 1¼” – 3″

Grooved Ends: 1½” – 6″ (globe & angle)

Flanged Ends: 1¼” – 24″ (globe); 1¼” – 16″ (angle)

 

Materials of construction

Body and Cover

Ductile Iron

Carbon Steel

Stainless Steel

Aluminum

Trim Material

Stainless Steel

Optional Components

Two-Stage Opening

Visual Indicator

Pre-Wired Junction Box

Features & Benefits

Pressure sustaining
  • Prevents inlet pressure from dropping below a predetermined minimum
  • Set pressure is adjustable with a single screw
Operates over a wide flow range
  • Automatic closure on pressure reversal
  • Quick opening; adjustable closing speed
Can be maintained without removal from the line
  • Easy maintenance
Factory tested and can be preset to your requirements
  • Quick & easy installation
Wide range of certifications
  • ABS Type Approval; CE (Conformité Européenne) Compliance; UFGS Guide Specifications & more