M Type Gate Valves

Universal’s M type gate valve features a non-rising stem with an expanding gate design to provide safe, dependable service in a variety of environments. They are available with flanged or threaded ends in standard bore Sizes from 2-1/16” through 7-1/16” in working pressures from 2,000 psi through 5,000 psi.

Gate Valves are available in both new API monogrammed and remanufactured- both are warranted for one year.
 

Full-Bore Thru-Conduit Design

• Maximizes valve service life
• Eliminates the collection of destructive particles

Expanding Gate

• Produces a positive mechanical seal across the seats
• Isolates the body cavity from bore pressure in both the
  open and closed position

Seats

• Press fit or o-ring slip fit seats available. Both have Teflon inserts in the face to form a positive seal against the gate even in low-pressure situations. The seats are tightly wedged in the seat pocket when the valve is in the full open and full closed position.

Metal-to-Metal Seals

• Body to bonnet interface, gate to seat interface and seat to body interface are metal to metal sealing areas

In-line Repairability

• Seat rings, body bushings, gate, stem are easily replaced in the field
• Stem packing can be replaced under pressure with our back-seat capability
• Piston o-rings and diaphragms are also easily replaced in the field

Long Life, Low Maintenance

• Simple routine maintenance programs limit repairs, ease operation, protect from corrosion and extend the service life

Material Options

• Available in API trims AA, BB, CC, DD, EE, FF and HH
• Forged body valves available upon request
• Available in all API temp ratings
• Internal coating (such as Xylan) available upon request

FC and FLS Type Gate Valves

Universal’s FC and FLS gate valves feature a non-rising stem with a slab gate floating seat design to provide safe dependable service. They are available with flanged ends in standard bore sizes from 1-13/16” through 7-1/16” in working pressures of 10,000 psi and 15,000 psi. Gate Valves are available in both new API monogrammed and remanufactured – both are warranted for one year.
 

Full-Bore Thru-Conduit Design

• Maximizes valve service life
• Eliminates the collection of destructive particles

Floating Slab Gate and Seats

• Produces a positive pressure energized seal
• Body pressure equalizes across the seat ring/body bushing, eliminating body erosion in the seat pockets

Metal-to-Metal Seals

• Body/bonnet interface, gate/seat ring/body bushing interfaces, body/body bushing interface
• Gate and seat are overlaid with Tungston Carbide
• Valve bodies and bonnets are forged steel

In-line Repairability

• Seat rings, body bushings, gate, stem and stem packing are easily replaced in the field

Metal-to-Metal Backseat

• Allows for body pressure containment in the case of stem packing leak

Long Life, Low Maintenance

• Simple routine maintenance program limits repairs, eases operation, protects against corrosion, and extends service
  life

Also Available

• 5,000 psi wp gate valves
• BSO (Ball Screw Operator) available on the 4-1/16”, 5-1/8” and 7-1/16” 10,000 psi and 15,000 psi FC and FLS gate valves

Material Class

• Available in all API ratings
• Internal coating (such as Xylan) available upon request

Temperature Rating

• Available in all API temp ratings