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Guide to Buying Betts Sliding Valves

betts sliding valves
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Guide to Buying Betts Sliding Valves

Selecting the Right Betts Sliding Valve

When using sliding valves in is important to be clear about what type products will be used in the sliding valve. Betts sliding valves comes in steel or stainless steel body. Both the steel valve and the stainless steel valve have a stainless steel disc.
 
 

Manual 3", 4" and 6" Valve

 
The Betts sliding valve is an economical manually operated external stop valve that provides a quick open or close function.  The 316 stainless discs offer premium corrosion resistance and the adjustable packing nut with woven PTFE infused packing allows for easy stem adjustments. The metal to metal seal has advantages for many applications, but is susceptible to wear and scratches.  If a maintainable seal valve is required, please see Betts line of replaceable o-ring seat sliding valves.
  • TTMA Flange
  • ANSI Flange

 
 
 

Manual 3", 4" and 6" Valve with Replaceable O-Ring Seat

 
The Betts replaceable o-ring sliding valve is a manually operated external stop valve that provides a quick open or close function.  The replaceable o-rings provide a leak tight seal and protect the disc from scratches due to metal-to-metal contact.  The PTFE encapsulated o-rings and 316 stainless discs offer premium corrosion resistance and the adjustable packing nut with woven PTFE infused packing allows for easy stem adjustments.
  • TTMA Flange
  • ANSI Flange
  • These valves start with part number 954, 956, 964, 966
 
 

Pneumatic Operated 3″, 4″ and 6″ Sliding Valve Replaceable O-ring Seat

 
The Betts Pneumatic sliding valve meets requirements for an external self-closing stop valve. Valve does not contain a shear section.  The cargo tank must protect the valve by providing suitable protection as specified in 49 CFR 178.345-8.   The cylinder is air open with spring close and requires 90 psi line pressure to fully open.   The PTFE encapsulated o-rings provide a positive seal for pressure or vacuum service and standard 316 stainless  steel discs offer premium corrosion resistance.  The adjustable packing nut with woven PTFE infused packing allows for easy stem adjustments.  The air cylinder max working temperature is 250° F (121° C).   A fusible plug, set to melt above 212° F (100° C), is installed in air cylinder to dump air pressure in case of fire.
 
  • Air Open / Spring Close
  • Teflon Encapsulated Seats
  • TTMA, ANSI, or Sump Flange Drilling

 
 
 
 
 
 
 
 
 
 
 
 

Hydraulic Operated 4″ and 6″ Sliding Valve

The Betts Hydraulically Operated Sliding Valve meets requirements for an external self-closing stop valve.  Valve does not contain a shear section.  The cargo tank must protect the valve by providing suitable protection as specified in 49 CFR 178.345-8.  The standard 316 stainless discs offer premium corrosion resistance and the adjustable packing nut allows for stem adjustments.  The metal-to metal seal provides a positive seal for pressure or vacuum service, but is susceptible to wear and scratches.  Fusible and Frangible Plugs may be installed in the hydraulic system for remote and heat actuated closing.  Betts hydraulic pump part number HP18343 will operate one to three valves.
 
  • Hydraulically Operated
  • Spring Closed
  • TTMA or ANSI
  • Flange Drilling
 
 
Since 1936 Littlejohn is your trusted source of Betts Sliding Valves. We are a master Betts distributor and we keep sliding valves at all 6 of our locations for coast to coast tank trailer parts and hose. We serve the liquid and dry bulk tanker trailer parts industry as well as industrial.
 
Tully Brewer is the President of Littlejohn. When not at work you can find me with my wife Lyn of 35 years or one of my grandchildren!!!

 

 

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