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E-mail:   sales@americanoilfieldtools.com

Figure 76 Knife Gate Valve



PRODUCT_NAME_1
Solid one piece cast body in corrosion resistant stainless steel.

Compact wafer configuration to Tappi standard face to face.

Gate and seat are machined and fitted to provide shut off in one direction.

Bonnetless, outside screw and yoke, non-rising handwheel, rising stem.

Available in sizes from 2" to 24" diameter.

150 PSI working pressure.

Flanges match ANSI B16.5-150 lbs. standard with all tapped holes, serrated gasket faces.

Designed to handle dense mixtures of stock and slurries. The shearing action of the knife gate cuts through solids and cleans the seat as it closes.

Smooth flow--non-clogging FULL PORT design.

Meets Tappi standard TIS 405-8 for stainless steel bonnetless, flanged, wafer knife gate valves.

Factory installed V-seat inserts available for metering or throttling service.


SPECIFICATIONS

Figure 76 Knife Gate Valve
MATERIALS OF CONSTRUCTION
1 Gate SS
2 Body SS
3 Seat SS
4 Bolts SS
5 Packing TFE impregnated
6 Gland SS
7 Stem SS
8 Yoke SS
9 Stem Nut Brass
10 Handwheel Ductile Iron

DIMENSIONS (inches) and WEIGHTS
SIZE   2 3 4 6 8 10 12 14 16 18 20 24
FACE TO FACE A 1 7/8 2 2 2 1/4 2 3/4 2 3/4 3 3 3 1/2 3 1/2 4 1/2 4 1/2
FLANGE DIAMETER B 6 7 1/2 9 11 13 1/2 16 19 21 23 1/2 25 27 1/2 32
BOLT CIRCLE BC 4 3/4 6 7 1/2 9 1/2 11 3/4 14 1/4 17 18 3/4 21 1/4 22 3/4 25 29 1/2
INSIDE DIAMETER ID 2 3 4 6 8 10 12 13 5/8 15 1/2 17 1/2 19 1/2 23 3/8
NUMBER OF HOLES   4 4 8 8 8 12 12 12 16 16 20 20
HOLE SIZE, TAP NC   5/8 5/8 5/8 3/4 3/4 7/8 7/8 1 1 1 1/8 1 1/8 1 1/4
CENTER TO TOP--CLOSED C 12 5/8 14 1/2 16 1/2 19 3/4 24 1/4 29 1/2 33 1/8 37 1/2 42 1/2 47 51 3/4 58 1/4
CENTER TO TOP--OPEN D 14 7/8 17 3/4 20 5/8 26 32 3/4 39 5/8 45 1/2 51 1/8 58 3/8 64 1/2 711/2 82 1/4
HANDWHEEL DIAMETER E 8 8 8 12 12 15 15 15 20 20 20 30
YOKE WIDTH F 5 5 6 6 5/8 6 5/8 7 1/4 7 1/2 8 1/4 8 1/4 8 3/4 9 1/2 10 1/2
WEIGHT--LBS   20 29 38 52 85 120 160 212 300 350 480 600


Available in T304, T316 and T317 stainless steel. Other metals also available.

Normally supplied with handwheel for manual operation but can be modified for lever, chain, bevel gear, electric, hydraulic or pneumatic operation.
See Valve Operators for details.