Emerson Fisher 627 Instruction Manual page 16

627 Series
Key Description
18 Lever Cap Screw (2 required)
Plated steel
316 Stainless steel (NACE)
19 Pusher Post, Aluminum
For Type 627 or 627M
For Type 627R, 627LR, or 627MR
For Type 627H or 627HM,
416 Stainless steel
Stainless steel (NACE)
21 Diaphragm Connector (for Type 627R, 627LR,
or 627MR only), Stainless steel
22 Diaphragm Connector Nut (for Type 627R, 627LR,
or 627MR only), Stainless steel
23* Diaphragm
Nitrile (NBR)
For Type 627 or 627M with Aluminum or
Ductile iron diaphragm case
For Type 627 or 627M with
Steel diaphragm case
For Type 627R, 627LR, or 627MR with
Aluminum or Ductile iron diaphragm case
For Type 627R, 627LR, or 627MR with
Steel diaphragm case
For Type 627H or 627HM with Steel
diaphragm case (diaphragm is Neoprene (CR)
with Nylon (PA) fabric)
Fluorocarbon (FKM)
For Types 627R, 627LR, and 627MR
with Steel case
For Types 627 and 627M with Steel case
For Types 627R, 627LR, and 627MR
with Ductile Iron and Aluminum Casing
For Types 627 and 627M
with Ductile Iron and Aluminum Casing
24 Diaphragm Head, Plated steel
For Type 627 or 627M, Plated steel
For Type 627R, 627LR, or 627MR, Plated steel
For Type 627H or 627HM, 416 Stainless steel
25 Relief Spring Seat (For Type 627R or
627MR only), Steel
26 Guide Retainer (For Type 627R, 627LR, or
627MR only), Stainless steel
27 Relief Spring (For Type 627R or 627MR only),
Plated steel
For Type 627LR
28* Relief Seal O-ring
Nitrile (NBR)
For Type 627R, 627LR, or 627MR only
Fluorocarbon (FKM)
For Types 627R, 627LR, and 627MR only
29 Spring Case
For Type 627, 627R, or 627LR
Aluminum
Ductile iron
Steel
Stainless steel (Types 627 and 627R only)
29 Spring Case (continued)
For Type 627M or 627MR
Ductile iron
Steel
For Type 627H or 627HM
Steel
Stainless steel (Type 627H only)
*Recommended spare part.
16
Part Number Key Description
30 Screened Vent Assembly, Plastic
10B7454X012
31 Lower Spring Seat, Plated steel
1B2905X0012
For Type 627 or 627M
For Type 627R, 627LR, or 627MR
10B3098X012
32 Control Spring, Plated steel
10B3098X022
5 to 20 psig / 0.34 to 1.4 bar, Yellow
15 to 40 psig / 1.0 to 2.8 bar, Green
10B3098X032
35 to 80 psig / 2.4 to 5.5 bar, Blue
10B3098X102
70 to 150 psig / 4.8 to 10.3 bar, Red
140 to 250 psig range / 9.7 to 17.2 bar, Blue,
28B8832X012 used for Type 627H or 627HM
240 to 500 psig range / 16.5 to 34.5 bar, Red,
10B7449X012 used for Type 627H or 627HM
33 Upper Spring Seat, Plated steel
34 Locknut, Plated steel
35 Adjusting Screw, Plated steel
10B3069X012
For Type 627, 627M, 627H, or 627HM
For Type 627R, 627LR, or 627MR
10B8735X012
36 Adjusting Screw Cap, Plastic
37 Spring Case Cap Screw, Plated steel
10B3068X012
(8 required)
For Aluminum or ductile iron diaphragm case
10B8736X012
For Steel diaphragm case
For Stainless steel case and body
For Aluminum case and SST body
12B0178X012
For Type 627H/HM, steel diaphragm case
For Type 627H, Stainless steel case and body
43 Blocked Throat (For Type 627M, 627HM, or
10B8736X022
627MR only), Stainless steel
10B8735X042
44* Blocked Throat O-ring
Nitrile (NBR) For Type 627M, 627HM, or
10B3068X022
627MR only (2 required)
Fluorocarbon (FKM)
10B3069X032
For Types 627M and 627MR only
45* Blocked Throat Back-up Ring (For Type 627M,
1D666428982
627HM, or 627MR only), PTFE (2 required)
10B3071X012
46 Diaphragm Head Cap Screw, Steel
12B0175X012
For Type 627 or 627M
For Type 627H or 627HM
10B7446X012
47 Relief Seal Retainer (For Type 627R, 627LR, or
627MR only), Stainless steel
10B7450X012
48* Guide Retainer O-ring
Nitrile (NBR)
10B6757X012
For Type 627R, 627LR, or 627MR only
1B541327022
Fluorocarbon (FKM)
For Types 627R, 627LR, and 627MR only
49 Relief Indicator (For Type 627R, 627LR, or
1J108506992
627MR only), Rubber (not shown)
50 Diaphragm Limiter
1J1085X0042
(For Types 627H and 627HM only)
51* Diaphragm Limiter O-ring
For Types 627H and 627HM only
40B3086X012
52* Pusher Post O-ring (2 required)
30B3055X012
For Types 627H and 627HM only
30B3102X012
58 Pipe Plug, Zinc
30B3102X092
67 Drive Screw, 18-8 Stainless steel
72 Pipe Plug, Zinc-plated steel
30B3055X012
30B3102X012
30B3102X012
30B3102X092
Part Number
10B3093X012
1D666625072
20B3073X012
10B3076X012
10B3077X012
10B3078X012
10B3079X012
10B3078X012
10B3079X012
1D667125072
1D667728982
10B3081X012
10B3080X012
20B3082X012
1A391724052
1A368324052
1A3683X0062
1A3917X0062
1A346424052
1A3464X0022
10B3085X012
1E264306992
1E2643X0022
10B3106X012
1B290524052
1C379124052
10B7445X012
1D682506992
1N423906382
30B3100X012
22B0176X012
1K877606992
1C853806992
1D8293T0022
1A368228982
1A767524662