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YARWAY A.T.-TEMP CRYOGENIC DESUPERHEATER
InstallatIon and MaIntenance InstructIons
TABLE 1 - STANDARD MATERIALS
Item Name Material
1• Spray cylinder SA 182 F304L
2• Nozzle assy SA 182 F304L
3• Spiral wound packing PTFE/316L
4• Piston PTFE 25% reinforced/aluminium bronze*
5• Fastener ring SA 182 F304L
7• Stem SA 182 F316L
8 Seat housing SA 182 F304L
9 Body SA 312 TP304L
10 Liquid flange SA 182 F304/F304L dual certified
11 Adaptor SA 182 F304L
12• Stem bushing lower Aluminium bronze
13 Packing box SA 182 F304L
14 Nut SA 194 8MA
15• Packing set PTFE V-rings
16 Stud SA 320 B8 CL.2
17• Stem bushing upper Aluminium bronze
18 Gland plate SA 182 F304L
19 Name plate AISI 316
20 Lock nut Stainless steel
21 Coupling SA 182 F304L
23 Securing washer Stainless steel
24 Vapor flange SA 182 F304/F304L dual certified
25 Guiding PTFE
26 Spring AISI 631 17-7 PH
27 Shoulder bolt SA 320 B8 CL.2
28 Securing washer Stainless steel
29 Flange female SA 182 F304L
30 Flange male SA 182 F304L
31 Extension pipe SA 312 TP304L
32• Piston rings Aluminium bronze*
NOTES
* For valve design class 600/900
• Recommended spares
Other materials are available upon request
Certification
The cryogenic A.T.-Temp complies with the rules of ASME B16.34.
EN standard flanges are available as an option. If applied within the E.C.,
acertificate of conformity to PED will be issued. The nameplate will bear
theCE-marking as applicable for the product.
Materials and data of units supplied, may deviate from this brochure.
Pleaseconsult order documents in case of doubt.
FIGURE 11