Southeast Industrial Sales Company is your complete  
  source to solve all of your flow control problems  
   
  Products  
     
  You Need It? SISCO Has It!  
     
  Southeast Industrial Sales Company is your complete source to solve all of your flow control problems. Below is a partial listing of our products. If you don't see what you need on this list , call us we can get whatever you need !.  
   
Spence (SSI)
125WT Series

Wafer Style Double-Door Check Valve

This valve features a lower weight compact body, low pressure loss, and reduced seat wear. ANSI 125 Rated Wafer Style Body fits between FF or RF Flanges. Suitable for up to 200 psig and Tempuratures up to 250 degrees F.

Materials of Consturction:

Body:      A126-B Cast Iron

Disc:      Aluminum Bronze or A351-CF8m 316ss

Seat:      Buna-N or EPDM

Spring:   316ss

Cracking Pressure:

Horizontally Mounted = 0.3 psi

Vertically Mounted = 0.75 to 1.25 psi
150WT Series

Wafer Style Double-Door Check Valve

This valve features a lower weight compact body, low pressure loss, and reduced seat wear. ANSI 150 Rated Wafer Style Body fits between FF or RF Flanges. Suitable for up to 285 psig and Tempuratures up to 600 degrees F.

Materials of Consturction:

Body:     A216-WCB Carbon Steel or A351-CF8M Stainless Steel

Disc:      A351-CF8M Stainless Steel

Seat:      Buna-N, Viton, or Metal

Spring:   316ss

Cracking Pressure:

Horizontally Mounted = 0.3 psi

Vertically Mounted = 0.75 to 1.25 psi