Piston (Non-Slam) Check Valve

Non-Slam Piston Check Valves utilize a simple design that provides long-term reliability, superior performance, and low operating costs.

Applications

• Gas and liquids pipelines
• Field gathering systems
• Wellhead injection lines
• Gas export facilities
• Product tank farms
• Chemical processing
• Gas storage caverns
• Power generation

Design

• Axial flow
  Raised face, butt weld and RTJ ends
  Simple, dependable design
  Available for vertical flow-up or down service
  Helical compression spring is engineered to effect valve closure automatically at zero velocity (before reverse flow begins)

Specifications

Sizes

2” – 12”

Pressure Rating

Class 150 to 2500

Materials

A range of materials are available to meet your service-specific requirements, including:

• Carbon steel
• Stainless steel
• Exotic materials available upon request

Compliance/Certifications

API 6D
API Q1
ISO 9001
CSA Z245.15
ASME B16.34
NACE MR0175/ISO 15156

Temperature

• -45°C to 204°C/-50°F to 400°F
• Custom temperature applications available

Options/Accessories

• Exotic seals
  Variable cracking pressures