Fisher 377 - Page 16

Instruction Manual
D200319X012
377 Trip Valve
August 2012
16
Table 2. Common Parts (continued)
KEY
NUMBER
DESCRIPTION
QUANTITY
REQUIRED
PART MATERIAL
Trip Valve Construction
Aluminum Stainless Steel
15 O‐ring
Nitrile
(1)
Fluorocarbon
Nitrile
(1)
Fluorocarbon
16 Pilot body assembly Aluminum/anodized aluminum
CF3M SST casting
(316L SST, cast)
17 Diaphragm
Nitrile
(1)
Fluorocarbon
Nitrile
(1)
Fluorocarbon
18 Pusher plate Aluminum S31603 (316L SST)
19 Diaphragm spacer Aluminum CF3M SST casting
20 Cap screw (not shown) 4 Pl steel S31600 (316 SST)
21 Body Aluminum CF3M SST casting
22 Stem
(1)
2 Stainless steel S31603
23 O‐ring 2
Nitrile
(1)
Fluorocarbon
Nitrile
(1)
Fluorocarbon
24 Plug assembly 2
Brass/chloroprene
(1)
Brass/fluorocarbon
S31603/chloroprene
S31603/fluorocarbon
25 Spring 2 Pl steel S30200 (302 SST)
26 O‐ring 2
Nitrile
(1)
Fluorocarbon
Nitrile
(1)
Fluorocarbon
27 O‐ring retainer screw 2 Stainless steel S30300 (303 SST)
29 O‐ring (top‐mounted only) 2
Nitrile
(1)
Fluorocarbon
Nitrile
(1)
Fluorocarbon
30
Cap screw
top mounted
yoke mounted
bracket mounted
2
1
1
Pl steel Stainless steel
31 Manifold assembly Aluminum Aluminum
32
Cap screw (use w/manifold assembly)
(not shown)
2 Pl steel Stainless steel
33
Cap screw (not shown)
yoke mounted
bracket mounted
Steel Stainless steel
34 Pipe plug (for 377L only) (not shown) 2
Brass, use with all actuators except 1069
S31600, use with 1069 actuator
S31600
35
Pipe plug (boss or bracket mounted w/o manifold
assembly for 480‐16 only) (not shown)
Pl steel Stainless steel
36
Check valve, (for 377D, 377U 377CW
and 377CCW only) (not shown)
For use w/o 2625
For use with 2625
Brass or S31600 S31600
37
Vent assembly (not shown)
Plastic Plastic
Top mounted 377D, 377U 377CW
and 377CCW
1
Top or boss mounted 377D, 377U
377CW and 377CCW with flow control valve
1
Boss mounted 377D, 377L, 377U,
377CW and 377CCW
2
37
Flow control valve (optional on 377D, 377U 377CW
and 377CCW trip valves)
Stainless steel Stainless steel
39 Lithium grease (not furnished with trip valve)
1. Included in Repair Kit
-continued-