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832.474.4440 13840 Aston Street, Suite A Houston, TX 77040
E-mail:   sales@americanoilfieldtools.com

Figure 176 Knife Gate Valve


Fig 176 Knife Gate Valve Bonneted Knife Gate Valves are ideally suited to aid in reduction of Fugitive Emissions.

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.

Maintenance free Viton stem seal with packing- less O-ring seal gland design.

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.
SPECIFICATIONS

Fig 176 Knife Gate Valve
MATERIALS OF CONSTRUCTION
MATERIAL CODE
W44/W66
A44
A66
A6H
A77
BODY, GATE & SEAT
304/316
304
316
316
317
BONNET LINER
304/316
304
316
316
317
BONNET FLG & STIFF
CS
304
304
316
317
PACKING GLAND
304
304
316
316
317
YOKE & RETAINER
304
304
304
304
304
STEM & CLEVIS
304
304
316
316
317
STEM BUSHING
BRASS
BRASS
BRASS
BRASS
BRASS
BOLTING
PLATED
304
304
304
304
PACKING
VITON
VITON
VITON
VITON
TFE


Figure 92 Slide Gate Valve
DIMENSIONS AND WEIGHTS
VALVE SIZE
3"
4"
6"
8"
10"
12"
14"
16"
18"
20"
24"
ID
3"
4"
6"
8"
10"
12"
13-1/2"
15-1/4"
17-1/4"
19"
23"
F/F
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"
BC
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"
RF
5"
6-3/16"
8-1/2"
10-5/8"
12-3/4"
15"
16-1/4"
18-1/2"
21"
23"
27-1/4"
OD
7-1/2"
9"
11"
13-1/2"
16"
19"
21"
23-1/2"
25"
27-1/2"
32"
N
4
8
8
8
12
12
12
16
16
20
20
d
5/8"-11
5/8"-11
3/4"-10
3/4"-10
7/8"-9
7/8"-9
1"-8
1"-8
1-1/8"-7
1-1/8"-7
1-1/4"-7
H/W
8"
8"
12"
12"
16"
16"
20"
20"
20"
20"
20"
H-CLS
21-3/4"
24-1/2"
30-1/4"
36-1/2"
41-1/4"
48-3/4"
58"
64"
70-1/4"
74-1/2"
88-1/2"
H-OPN
25"
29"
38"
46"
51-3/4"
61-1/2"
72-1/4"
80-1/2"
88-1/4"
94-1/4"
112-1/4"
WEIGHT
64
75
109
160
251
295
335
470
740
990
1,400


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.