Steriflow Mark 9020 Series User Manual

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Mark 9020 Series (1/2" – 4") Investment Cast two-way, three piece sanitary ball valve, shall be designed,

manufactured, marked, and documented per ASME BPE-2009.

Body seal, seat, thrust washer, and packing shall be manufactured from FDA 21 CFR 177 acceptable TFM

1600, which has been tested in final form to meet the requirements of USP Chapter 88 Class VI (in-vivo) and

USP Chapter 87 (in-vitro).

Body, ball, and end caps shall be manufactured from ASTM A351 Gr. CF3M 316L with ferrite controlled to

<3% (<1% optional).

Internal surface finish shall be SF1, 20Ra mechanical polish, or optional to SF4, 15 Ra mechanical polish with

electropolish.

Mounting flange on body and stem extensions shall be designed to ISO 5211 to facilitate actuator attach-

ment.

Valves shall not require disassembly for welding and shall be repairable inline.

Maximum working pressure shall be 1000 psi to full vacuum at 100°F for 1/2" through 2" design, 720 psi to

full vacuum for 2-1/2" through 4" sizes.

Weld end fittings or ferrules to match sanitary tubing connections. Body bolts and nuts to be 304 or better

strain-hardened with minimum tensile strength of 100,000 psi.

Stem packing shall be live loaded TFM

V-rings to compensate for pressure and thermal cycles and for wear,

to insure a positive seal against process leaks.

Steriflow model series Mark 9020 size, material, seat/stem extension, ends, manual/automated, actuator

accessories, fail position.