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OPTIONAL ENHANCED STEMPACKING DESIGNS

PARTCARBON STEELSS 316STAINLESSALLOY 20HASTELLOY CTITANIUM Trim316 (CF8M)

1 BodyA105 or WCBCF8MAlloy 20Hast. CTitanium 2 BonnetA105 or WCBCF8MAlloy 20Hast. CTitanium 3 SeatSS 316/StelliteHardfaced Alloy 20Hardfaced Hast. CHardfaced Titanium 4 Ball SS 316/HCHardfaced Alloy 20Hardfaced Hast. CHardfaced Titanium 5 StemSS 316Alloy 20Hast. CTitanium 6 Thrust washerGraphitePEEK 7 Body sealSS 316 GraphiteAlloy 20-graphiteHast. C-graphiteTitanium-graphite 8 PackingGraphite 9 Stem bushingGraphitePEEK 10 Belleville washer Stainless Steel 11 Anti-extrusionring Stainless Steel 12 Gland bushingGraphite sleeve 13 Gland followerSS 316Alloy 20Hast. CTitanium 14 Bonnet studB7 B8M Cl.2B8MInconelB8M 15 Packing flangeWCBSS 316 16 Bonnet nut2H8MGr. 8InconelGr. 8 17 Handle & safety clip SS 304 18 Handle nutSS 304 19 Back-up sealGraphite

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Double packing with leak-off.

Other materials available on request.

Two sets of packing rings, precompressed to 2,000psi (138bar) for PTFE or 4,000psi (276bar) for graphite.

Valves made from forged bar-stock in higher alloys available.

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Leak detection port. STANDARD MATERIALS

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IN-LINE SERVICE

10 118 15 14 17 12

STEP 1

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Remove cover assembly

7 4 19 9 3 19

STEP 2 Remove ball Turn ball 90Ëš and remove

2 2 6 1 5

STEP 3 Remove seatsOnce ball is out, a simple jolt with fingers or tool removes seat

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