L SERIES - FIGURE 77 & 93
STAINLESS STEEL LINED KNIFE GATE VALVE
 
- Offered as both the L93 and L77 styles
- Heavy duty Lug body design to resist deflec-
  tion 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"

 

 

 

DIMENSIONS AND WEIGHTS:
VALVE SIZE
14"
16"
18"
20"
24"
L93
L77
L93
L77
L93
L77
L93
L77
L93
L77
FACE TO FACE (F-F)
3"
3-1/2"
3-1/2"
4-1/2"
4-1/2"
FLANGE OD (OD)
21"
23-1/2"
25"
27-1/2"
32"
BOLT CIRCLE (BC)
18-3/4""
21-1/4"
22-3/4"
25"
29-1/2"
INSIDE DIAMETER (ID)
13-1/8"
14-1/4"
14-7/8"
15-7/8"
16-3/8"
17-3/4"
18"
19-3/4"
22"
23-3/4"
(NUMBER OF HOLES (N)
12
16
16
20
20
HOLE D&T SIZE (d)
1" NC
1" NC
1-1/8" NC
1-1/8" NC
1-1/4" NC
C/L TO TOP-CLOSED (H-CLS)
39-1/4"
41-1/4"
43-1/4"
45-3/8"
48"
50"
53-1/8"
56-1/8"
61-5/8"
63-1/2"
C/L TO TOP-OPEN (H-OPN)
52-5/8"
55-1/4"
58-3/4"
61-1/2"
65-1/2"
68"
72-1/8"
75-5/8"
84-3/4"
84-1/2"
HANDWHEEL DIA (H/W)
20"
20"
20"
20"
20"
WEIGHT-LBS
360
495
565
790
1015