Figure 63 High Performance Polymer Lined Knife Gate Valve
FEATURES
- HEAVY DUTY fabricated cargon steel or
stainless steel body, yoke and packing gland.
- UHMWPE, PTFE OR Polypropylene liner and
seat provide bi-directional tight shutoff.
- Three piece feild replaceable liner/seat.
- Available in standard pressure ratings of 150 psi
or 300 psi. Higher pressure ratings and custom
designs also available.
.
- ANSI B 16.5 Class 150 or 300 flange bolting.
- MSS-SP81 face to face and flange dimensions
- Stainless Steel Gate and stem for corrosion
resistance and durability. Special Alloys, coatings
and surface hardening also available.
- Superior Packing arrangement provides
improved sealing performance in high cycle
applications.
- FULL PORT inside diameter in all sizes. Custom
port sizes and designs available.
- Minimum 4 BOLT PACKING GLAND to
assure proper gland alignment in all sizes.
- Available with manual Handwheel, chainwheel,
bevel gear, pneumatic/hydraulic cylinder or
electric motor actuator.
Recommended for applications requiring superior
corrosion and/or erosion resistance, heavy slurry
and high cycle applications.
Figure 65 Urethane Lined Knife Gate Valve
- HEAVY DUTY cast ductile iron body and
yoke for the most rugged service.
- Lug body design.
- URETHANE LINER and seat provides a
BI-DIRECTIONAL BUBBLE TIGHT
SEAL across gate from 0 to 150 PSI.
- SEAT IS FLUSH with the bottom of the port
ELIMINATING any pockets in the bottom of
the Valve to collect material in media such as
slurries, pellets or powders.
- URETHANE LINER is a one piece molded
in place full body liner.
- Urethane liner can be replaced by the
manufacturer.
- STAINLESS STEEL GATE for corrosion
resistance and durability.
- STAINLESS STEEL STEM for corrosion
resistance.
- EASY CONVERSION from handwheel operator
to cylinder, bevel gear or electric motor
operator using cast yoke.
- ENCLOSED BRASS STEM BUSHING
provides reduced operating torque and protection
of the stem bushing from harsh environments.
- FULL PACKING SEAL around gate to minimize
packing leakage.
- MSS-SP-81 face to face dimension and flange
dimensions.
- FULL PORT ID.
- Minimum 4 BOLT PACKING GLAND to
assure proper gland alignment in all sizes.
- Time proven TOWNIPRENE urethane liner
for the best abrasion resistance in tough
applications.
Figure 93 Stainless Steel Knife Gate Valve
- Cast stainless steel body, gate, packing gland
and yoke.
- Heavy duty designed body to resist deflection
from line loads and internal pressure.
- Gate designed to withstand full 150 PSI rated
pressure as required by MSS-SP-81.
- Body cavity, seat configuration and beveled
gate designed to provide shut-off capability
in thick media such as pulp stock, slurries, or
with solid media such as pellets or powders.
- Heavy duty cast stainless steel yoke will not
bend or twist under extreme loads.
- Easy conversion from handwheel operator to
cylinder, bevel gear or electric motor operator
using cast yoke.
- Enclosed brass stem bushing provides reduced
operating torque and protection of the stem
bushing from harsh environments.
- Hard faced seat available to prevent galling
in high cycle and/or high end pressure
applications or abrasive applications.
- O-Ring resilient seat available.
- Precision machined stainless steel gate for
superior seating capability.
- Stainless steel stem for corrosion resistance.
- Teflon wiper available in packing to provide
gate support and stabilize packing seal.
- Designed and tested to MSS-SP-81 dimensions
and specifications.
- Full port ID.
- TFE lubricated synthetic packing (TLSP) rated
for 400 F with a PH range of 3-11 is standard.
Figure 82 Fabricated slide Gate Valve
- Fabricated stainless steel lined body
ideally suited for dense or abrasive media,
both wet and dry.
- Stainless steel gate, seat and raised face.
- Heavy duty designed body to resist deflection
from line loads and internal pressure.
- Gate designed to withstand full 150 PSI rated
pressure as required by MSS-SP-81.
- Body cavity, seat configuration and beveled
gate designed to provide shut-off capability
in thick media such as pulp stock, slurries, or
with solid media such as pellets or powders.
- Valve seat face is protected by gate in both
open and closed positions.
- Full range of operators available including air
cylinder, bevel gear and electric motor operator.
- Enclosed brass stem bushing provides reduced
operating torque and protection of the stem
bushing from harsh environments.
- Can be manufactured in special materials such
ALLOY 20, HASTELLOY, TITANIUM and
MONEL for severe services.
- O-Ring resilient seat available.
- Precision machined stainless steel gate for
superior seating capability.
- Stainless steel stem for corrosion resistance.
-Teflon wiper available in packing to provide
gate support and stabilize packing seal.
- Designed and tested to MSS-SP-81 dimensions
and specifications.
- Hard face seat available to prevent galling or
wear in abrasive applications
Figure 77 Stainless Steel Rubber Seated Knife Gate Valve
- Solid one piece cast body in corrosion resistant
stainless steel.
- Compact wafer configuration to Tappi and MSS
standard face to face.
- BI-DIRECTIONAL, DRIP TIGHT resilient seat.
- Resilient seat is REPLACEABLE.
- Designed to handle dense mixtures of stock and
slurries. A variety of resilient seat materials
available.
- Easy conversion from handwheel operator to
cylinder, bevel gear or electric motor operator
using cast yoke.
- Enclosed brass stem bushing provides reduced
operating torque and protection of the stem
bushing from harsh environments.
- Smooth flow - non-clogging FULL PORT design.
- POSITIVE SHUT OFF in both directions.
- Bonnetless, outside screw and yoke, non-rising
handwheel, rising stem.
- Available in sizes from 2” to 24” diameter.
- Meets Tappi standard TIS 405-8 and MSS SP 81
for stainless steel bonnetless, flanged, wafer knife
gate valves.
- 150 PSI design pressure.
- Flanges matches ANSI B16.5-150 lb standard with
all tapped holes, serrated gasket faces.
Figure 193 Bonneted Knife Gate Valve
- Bonneted Knife Gate Valves are ideally suited
to aid in reduction of Fugitive Emissions and
Packing Leakage.
- Bonnet design pressure same as valve pressure
rating - 150 psi.
- Cast stainless steel body, gland and yoke.
- Fabricated bonnet which can be designed to
the full pressure rating of the valve.
- Wiper between body and bonnet to prevent
solids from entering bonnet.
- TFE Lubricated Synthetic Packing (TLSP) rated
for 400 deg. F with a PH range of 3-11 is standard.
- Heavy duty designed body to resist deflection
from line loads and internal pressure.
- Gate designed to withstand full 150 PSI rated
pressure as required by MSS-SP-81.
- Body cavity, seat configuration and beveled
gate designed to provide shut-off capability
in thick media such as pulp stock, slurries, or
with solid media such as pellets or powders.
- Heavy duty cast stainless steel yoke will not
bend or twist under extreme loads.
- Easy conversion from handwheel operator to
cylinder, bevel gear or electric motor operator
using cast yoke.
- Enclosed brass stem bushing provides reduced
operating torque and protection of the stem
bushing from harsh environments.
- Hard faced seat available to prevent galling
in high cycle and/or high end pressure
applications or abrasive applications.
- O-Ring resilient seat available.
- Precision machined stainless steel gate for
superior seating capability.
- Stainless steel stem for corrosion resistance.
- Designed and tested to MSS-SP-81 dimensions
and specifications.
- Full port ID.
Figure 53 Ductile Iron Knife Gate Valve
- HEAVY DUTY cast ductile iron body and
yoke for the most rugged service.
- Through bolting on side flange bolts to allow
easy installation.
- Replaceable natural rubber seat provides a
BI-DIRECTIONAL BUBBLE TIGHT
SEAL across gate from 0 to 150 PSI.
- Rubber seat is flush with the bottom of the port
ELIMINATING any pockets in the bottom of
the Valve to collect material in media such as
slurries, pellets or powders.
- Rubber seat has a molded-in steel reinforce-
ment and is bolted in place to prevent it from
being shifted out of position by gate movement.
- Rubber seat replacement is quick and easy.
- Machined stainless steel gate for corrosion
resistance and durability.
- Stainless steel stem for corrosion resistance.
- Easy conversion from handwheel operator to
cylinder, bevel gear or electric motor operator
using cast yoke.
- Enclosed brass stem bushing provides reduced
operating torque and protection of the stem
bushing from harsh environments.
- Full packing seal around gate to prevent
packing leakage.
- MSS-SP-81 face to face dimension and flange
dimensions.
- Full port ID.
- Minimum 4 bolt packing gland to assure
proper gland alignment in all valve sizes.
- Exterior and interior of entire valve (inside and
outside) coated with an epoxy powder coating for
corrosion resistance.
Figure L93 & L77 Stainless Steel Lined Knife Gate Valve Resilient & Metal Seated
- Offered as both the L93 and L77 styles
- Heavy duty Lug body design to resist deflec-
tio from line loads and internal pressure.
- Heavy duty cast ductile iron body, packing
gland and yoke.
- STAINLESS STEEL LINER available in any
weldable alloy.
- STAINLESS STEEL GATE for corrosion
resistance and durability.
- Gate designed to withstand full 150 PSI rated
pressure as required by MSS-SP-81
- Metal seat for uni-directional shutoff (L93).
- Resilient seat for bi-directional drip tight
shutoff (L77).
- Resilient seat replacement is quick and easy.
- Heavy duty cast ductile iron yoke will not
bend or twist under loads.
- STAINLESS STEEL STEM for corrosion
resistance.
- EASY CONVERSION from handwheel operator
to cylinder, bevel gear or electric motor
operator using cast yoke.
- ENCLOSED BRASS STEM BUSHING
provides reduced operating torque and protection
of the stem bushing from harsh environments.
- Precision machined stainless steel gate for su-
perior seating capability.
- Designed and tested to MSS-SP-81 dimensions
and specifications.
- TFE lubricated synthetic packing (TLSP)
rated for 400 degrees F with a PH range of 3-11.
- Available in sizes 14" - 24
Figure F93 & F79 Large Diameter Knife Gate Valves
- Offered in our series F93 and F77.
- Fabricated carbon steel body flanges,
packing gland and yoke.
- All Stainless steel construction available.
- Fabricated stainless steel liner.
- Stainless steel gate.
- Stainless steel metal to metal seat Fig F93.
- Bi-directional resilient seat Fig. F77.
- Heavy duty designed body to resist
deflection from line loads and internal
pressure.
- Valves are designed for 50 PSI or 125 PSI
CWP pressure rating.
- Other pressure ratings available
- Fig. F93's seat configuration and beveled
gate designed to provide shut-off
capability in thick media such as pulp stock,
slurries, orwith solid media such as pellets
or powders.
- Heavy fabricated steel yoke will not
bend or twist under extreme loads.
- Easy conversion from handwheel operator
to cylinder, bevel gear or electric motor
operator using existing yoke.
- Enclosed brass stem bushing provides
reduced operating torque and protection of
the stem bushing from harsh environments.
- O-Ring resilient seat available Fig. F93.
- Precision machined stainless steel gate for
superior seating capability.
- Stainless steel stem for corrosion resistance.
- Sizes include 30", 36" 42", 48", 54", 60", or
larger.
