5646B REV. K ITEM NO. 1 2 3 4 * 5
DESCRIPTION Diaphrgm Plate Screw Bonnet Screw Adjusting Screw Jam Nut Adjusting Screw
Seat Assembly
6 7
8
Pivot Bracket Screw Body - .750" NPT Body - 1.00" NPT Body - 2.00" NPT Orifice 1/8" Orifice 3/16" Orifice 1/4" Orifice 3/8" Orifice 1/2"
9 * 10 * 11 12 13 * 14 15 16 17
20 21 22 23 24 25 26 27 28
Body O-Ring Diaphragm
PART NO. QTY. 56409 1 56412 8 51303 1 56074 1 56463 56463-2 1 56463-4 56463-5 56463-6 56464 2 56462 Ductile Iron 56466 1 56476 SST 56469 Brass 56469-2 SST 56468 Brass 56468-2 SST 56467 1 Brass 56467-2 SST 56465 Brass 56465-2 SST 56470 Brass 56470-2 Aluminum 56471 1 Buna 56472 1 Viton 56472-1 Buna 56473 1 Viton 56473-2 Steel 56474 1 Steel 56394 1 SST 56395 1 Steel 56481 1 Steel 56482 1 56403 56404
Retainer Pivot Pin Hairpin Diaphragm Plate Upper Spring Retainer Spring - 3 - 10 PSIG - YELLOW Spring - 8 - 20 PSIG - ALUM Spring - 10 - 95 PSIG - DARK Spring Wire GREEN Spring - 15 - 52 PSIG - WHITE Spring - 50 - 125 PSIG - TAN Spring - 100 - 200 PSIG - GRAY Coupling Nut Steel Brass Valve Stem SST Lever Steel Diaphragm Coupling Steel Cap Plastic Vent Cap Plastic Boost Tube Plastic Pivot Bracket Steel Lower Housing Aluminum Buna O-ring Viton Gasket Orifice Comp. * INCLUDED IN REPAIR KIT REPAIR KITS DESCRIPTION PART NO. SST/BUNA 87005 BRASS/BUNA 87006 SST/VITON 87007 BRASS/POLY 87002
56483 56405 56406 56407 56484 56417 56417-1 56489 56418 56491 56492 56494 56495 56505 60082 60084 56509
23
22 4 3 16
6 17 9 1 15
28
5
14
24
18
12
11
2
1
26
5646B SHEET 1 OF 1
18 19
Bonnet
MATERIAL Steel Steel Steel Steel SST/Buna Brass/Buna SST/Viton Brass/Poly SST/Poly SST
SH 1 OF 1
1
21
1 1 1 1 1 1 1 1
20
1
7
8
10
19
27
13
25
MALLARD CONTROL
1
Mallard Control Co. 4970 Washington, Beaumont, Tx 77707 TITLE
VITON IS A REGISTERED TRADE NAME OF DUPONT DE NEMOURS CORP.
D.C.N:
1227
APPROVED DATE
JDS
07-09-04
DRAWN
PHL
DATE
07-09-04
Model File: 5646-K PartsList 5646-K PartsList.SLDDRW 07/17/2006 10:43 AM
MODEL 5646 NON-VENTING REGULATOR SIZE
B 5646BSH 1 OF 1
REV.
K