Excalibur® Flanged Check Valve

 The DFT Excalibur® Silent Check Valve model is a spring-assisted, center guided, in-line, check valve that provides reliable, low maintenance service for a wide range of fluids and pressure/temperature combinations. The valve consists of a body, gasket, seat, spring, disc with stem and guide bushing. Excalibur® check valves are available in a wide range of sizes and pressure ratings and in a variety of metals to meet most check valve requirements.

Specifications:

• ANSI B16.10 Face-to-Face dimensions
• Spring-assisted silent closing
• 2” to 24” Line size
• ANSI 150 to 1500
• WCB & 316 SS bodies
• 316 SS trim
• Ends:

• Center guided
• Dual guided stem
• Horizontal or vertical installation
• Tight shut-off
• Two piece body
• Protected spring
• Body gaskets
• Easy maintenance
• Versatile
  
  

  STANDARD MATERIALS
  Component		Carbon Steel Body	Stainless Steel Body
  Body		A216 Grade WCB	A351 CF8M
  Disc/stem assembly		A351 CF8M/A479 316	A351 CF8M/A479 316
  Seat (1)		A351 CF8M	A351 CF8M
  Spring (2)		A313 316	A313 316
  Bushing		A479 316	A479 316
  Bolting (3)		A193-B7 (Stud) & A194-2H (Nut)
  Gasketing (3)	Cl.150 & 300	CFG (4)
  	Cl.600+	316 Spiral wound with Flexible Graphite Filler

  *1” & 1-1/2” WLC; Cl 150 to 1500 - 316 SS trim except 17-7 disk in Cl 900+.
  Some valves contain body seals (“O” ring or gasket). Consult DFT for material selection.
  
  

  Notes:

  1. Soft seats are available for bubble-tight shutoff.
  2. Inconel® X-750 spring is available.
  3. Excalibur only. Contact DFT for stainless steel or other bolting materials.
  4. Corrugated flexible graphite material.