A-C ValveFigure 77Resilient Seat Knife Gate Valve


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Valves for Process Industries

Available in metal seat (Fig 76) and resilient seat (Fig 77).

Fabricated carbon steel body flanges, packing gland and yoke.

All STAINLESS STEEL construction available.

Fabricated STAINLESS STEEL LINER.

STAINLESS STEEL GATE for corrosion resistance and durability.

FIG 77 with resilient seat is bi-directional with positive SHUT OFF in BOTH DIRECTIONS.

Fig 77 available seat materials include Buna, EPDM, Neoprene, Viton and Silicon.

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 76's seat configuration and beveled gate designed to provide SHUT-OFF capability in thick media such as pulp stock, sludge and slurries or with solid media such as pellets or powders.

HEAVY DUTY FABRICATED STEEL YOKE will not bend or twist under extreme loads.

STAINLESS STEEL STEM for corrosion resistance.

EASY CONVERSION from handwheel operator to cylinder, bevel gear or electric motor operator using standard cast yoke.

ENCLOSED BRASS STEM BUSHING provides reduced operating torque and protection of the stem bushing from harsh environments.

O-Ring resilient seat available on Fig 76.

Sizes include 30", 36", 42", 48", 54", 60" or larger.

Non-standard sizes such as 32", 38" or any other size can be designed and manufactured to specificatons.

 

MATERIALS OF CONSTRUCTION
1 Gate SS
2 Body Carbon Steel
3 Liner Stainless Steel
4 Bolts Plated
5 Packing TFE impregnated
6 Gland Carbon Steel
7 Stem Stainless Steel
8 Yoke Carbon Steel
9 Stem Nut Brass
10 Handwheel Carbon Steel

 

 

DIMENSIONS (inches) and WEIGHTS
SIZE   30" 30" 36" 36" 42" 42" 48" 48" 54" 60"
INSIDE DIAMETER ID 28 28 33 3/4 33 3/4 40 1/2 40 1/2 46 1/2 46 1/2 52 1/2 58 1/2
FACE TO FACE F/F 4 4 5/8 5 5-3/4 5 5/8 6-1/4 6 1/8 7 6 5/8 7
BOLT CIRCLE BC 36 36 42 3/4 42 3/4 49 1/2 49 1/2 56 56 62 3/4 69-1/4
RAISED FACE DIAMETER RF 33 3/4 33 3/4 40 1/4 40 1/4 47 47 53 1/2 53 1/2 59 1/2 66
OUTSIDE DIAMETER OD  38 3/4 38 3/4 46 46 53 53 59 1/2 59 1/2 66 1/4 73
NUMBER OF FLANGE HOLES 28 28 32 32 36 36 44 44 44 52
FLANGE BOLT DRILL & TAP d 1 1/4 1 1/4 1 1/2 1 1/2 1 1/2 1 1/2 1 1/2 1 1/2 1 3/4 1 3/4
HANDWHEEL DIAMETER H/W 24 24 24 24 36 36 36 36 36 36
HEIGHT-VALVE CLOSED H-CLS 74 3/4 74 3/4 89 1/8 89 1/8 97 1/4 97 1/4 110 1/2 110 1/2 123 135
HEIGHT-VALVE OPEN H-OPN 103 3/4 103 3/4 121 121 135 3/4 135 3/4 155 155 173 189
PRESSURE RATING   50 PSI 125 PSI 50 PSI 125 PSI 50 PSI 125 PSI 50 PSI 125 PSI 50 PSI 50 PSI

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

A-C Valve, Inc.
675 Mitchell Ave.
Woodland, WA 98674

360-225-8003
Fax 360-225-8638
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