Materials Selection: Series 54/55

 
 

Type 54 Side Entry 

Position Description Material Notes
61 Stop collar Fe 360 3
60 Bearing house A-105 3
59 Trunnion o-ring Viton
58 Trunnion bearing Dry bearing
57 Stem pin 42CrMo4
53 Stem bearing Dry bearing
52 Lower trunion capscrew A-193-B7
51 Lower trunnion A-350-LF2 1
50 Lower trunnion F.S. seal Graphite
45 Relief valve A-182-F316
47 Retaining ring A-350-LF2 1
39 Body o-ring Viton
30 Stem grease fitting AISI 1018
28 Drain plug 42CrMo4
27 Seat spring 18-8
25b Seat ring with insert A-350-LF2 + PTFE CCG 1-2
22 Upper thrust washer Dry bearing
20 Adapter plate Fe 410 4
19 Stem F.S. seal Graphite
18 Top cover F.S. seal Graphite
16 Closure F.S. seal Graphite
15 Top cover o-ring Viton
14 Seat gasket o-ring Viton
12 Stem o-ring Viton
10a Bearing house capscrew A-193-B7 3
10 Adapter plate capscrew A-193-B7 4
9 Top cover capscrew A-193-B7
8 Body stud nut A-194-2H
7 Body stud A-193-B7
6 Gland bushing AISI 1018 1
5 Top cover A-350-LF2
4 Stem 42CrMo4 (AISI 4140) 1
3 Ball A-350-LF2 1
2 Closure A-350-LF2
1 Body A-350-LF2
    Notes:   1)  Electroless nickel plated 0.001" thickness  2)  Nylon insert on class 900/1500   3)  For lever operated valves  4)  For gear or actuator operated valves   Service:  Standard fluid • Carbon steel trim • Fire safe design   Temperature:  -7°C + 160°C ( -7° + 121° for class 900-1500)

 

Notes: 1) Electroless nickel plated 0.001" thickness 2) Nylon insert on class 900/1500  3) For lever operated valves 4) For gear or actuator operated valves

Service: Standard fluid • Carbon steel trim • Fire safe design

Temperature: -7°C + 160°C ( -7° + 121° for class 900-1500)


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Notes:   1)  Electroless nickel plated 0.001" thickness  20)  Nylon for class 1500   21) 42CrMo4 (AISI 4140) as alternative 2 4)  A-694-F65 as alternative   Service:  Standard fluid • Carbon steel trim • Fire safe design   Temperature:  -7°C + 160°C ( -7° + 121° for class 900-1500)

Notes: 1) Electroless nickel plated 0.001" thickness 20) Nylon for class 1500  21)42CrMo4 (AISI 4140) as alternative 24) A-694-F65 as alternative

Service: Standard fluid • Carbon steel trim • Fire safe design

Temperature: -7°C + 160°C ( -7° + 121° for class 900-1500)


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Type 55 Side Entry

Position Description Material Notes
57 Stem pin 42CrMo4 (AISI 4140)
48 U- cup packing Viton
45 Relief valve A-182-F316
44 Check valve AISI 1018
43 Puller bushing AISI 1018
42 Puller capscrew 8-8 (SAE 1034)
41 Seat grease fitting AISI 1018
39 Body o-ring Viton
36 Anchor pin C25 (AISI 1025)
33 Bearing Dry bearing
32 Bearing retainer Fe 510
30 Grease fitting AISI 1018
29 Vent plug 42CrMo4 (AISI 4140)
28 Drain plug 42CrMo4 (AISI 4140)
27 Seat spring 18-8
26 Inner seat ring A-350-LF2 1
25 Outer seat ring A-350-LF2 1
23 Lower thrust washer Fe 360 + P.P.S.
22 Upper thrust washer Fe 360 + P.P.S.
21 Stem key 42CrMo4 (AISI 4140)
20 Adapter plate Fe 410 (A-283)
15 Top cover o-ring Viton
14 Seat gasket o-ring Viton
13 Seal o-ring Viton 20
12 Stem o-ring Viton
10 Adapter plate capscrew 8-8 (SAE 1034)
9 Top cover capscrew 8-8 (SAE 1034)
8 Body stud nut A-194-2H
7 Body stud A-193-B7
6 Gland bushing AISI 1018 1
5 Top cover A-350-LF2
4 Stem C40 (AISI 1040) 1-21
3 Ball A-350-LF2 1-24
2 Closure A-350-LF2
1 Body A-350-LF2

Standard Materials

Material for general service (complies to NACE MR0175) CARBON STEEL + ENP
ANSI class 600
Temperature -50℉ + 350℉
Body ASTM A350 Gr.LF2
Ball ASTM A350 Gr.LF2 + ENP
Seat ASTM A350 Gr.LF2 + ENP
Stem AISI 4140 + ENP
Seat gasket PTFE
Other seats Viton
Seat spring Inconel X 750
Alternative material selections available upon request