Handwheel
Sturdily constructed
and mounted on a threaded bushing (yoke nut)
for ease in disassembling. Readily adaptable
for electric, hydraulic, or pneumatic actuators.
Stem
A sturdy one-piece unit machined with
ACME thread for ease of operation and long-thread
life.
Stuffing
Box
Depth is more than adequate in all sizes and
pressures to assure tightness and maximum
packing life. Condensing Chamber (not
shown) is provided without extra cost on all
Gate Valves in the 600 Class. This arrangement
can, by request, be provided in other valves.
Adaptable
"Universal Yoke"
Makes field conversion to gearing, motor,
electric, or hydraulic-pneumatic actuation
a simple and efficient operation.
Back
Seat Between Bonnet and Stem Head
Aids in relieving the pressure in the Stuffing
Box to facilitate repacking.
Body-to-Bonnet
Joint
A flat face gasket joint is used in the Class
150 valve. A male and female or tongue and
groove joint is used in the body-bonnet connection
of the Class 300 and higher valves; this type
of closure permits reassembly in the field
without danger of misalignment.
Back to Gate Valve Illustration
Flexible
Wedge
A sturdy unit that presents a massive wedge-to-stem
connection. This flexible wedge reduces operating
torque and assures a tight seal.
Wedge
Guide Rib
This integral projection assures true alignment
between wedge and valve body allowing the
wedge to seat properly without damage.
Thick
Uniform Body
Totally fulfills or exceeds the requirements
set forth in standard API 600.
Stellited
Seat Rings
Seal-welded to provide a positive bubble-tight
seal of the ring in the valve body.
Not
all features shown are applicable to all valves.
See individual catalog pages for description
by size and class.
Back
to Gate Valve Illustration