Flowserve BX2001 Durco - Manual (Page 25)

DURCO BX2001 USER INSTRUCTIONS ENGLISH 9-13
25
SECTION VII
COMPLETE VALVE REPAIR (continued)
Triple Seal Belleville
Washer Arrangement
Adjuster Bolts
Belleville Washer
Arrangement
Single PTFE Cup and Cone Double PTFE Cup and Cone Triple Seal PTFE Cup and Cone
Belleville
Washers
(Optional)
Gland
Packing
Thrust
Washer
Double Fire Sealed Grafoil
Gland
Packing Set
Lantern Ring
Packing Set
Thrust
Washer
Single Fire Sealed Grafoil
Gland
Bull Ring
Die-Formed
Graphite Rings
Bull Ring
Thrust
Washer
Belleville
Washers
(Optional)
Gland
Packing
Lantern Ring
Packing
Thrust
Washer
O-Ring
Top Plate
Belleville
Washers
Gland
Packing
Thrust
Washer
Adjuster Fastener Torque — PTFE Cup and Cone Packing
Valve Size 2 3 4 5 6 8 10 12 14 16 18 20 24 30 36
Fastener Torque – 150 Ft-lbs. 13 13 15 23 23 35 41 45 35 40 45 35 40 45 65
(Nm) (17) (17) (20) (31) (31) (47) (55) (61) (47) (54) (61) (47) (54) (61) (87)
Fastener Torque – 300 Ft-lbs. 13 13 15 — 23 35 45 50 35 40 45 40 — — —
(Nm) (17) (17) (20) — (31) (47) (61) (68) (47) (54) (61) (54) — — —
Adjuster Fastener Torque — Fire Sealed Grafoil Packing
Valve Size 2 3 4 5 6 8 10 12 14 16 18 20 24 30 36
Fastener Torque – 150 Ft-lbs. 8 8 8 14 14 20 28 31 30 35 40 30 35 40 60
(Nm) (11) (11) (11) (19) (19) (27) (37) (41) (40) (47) (54) (40) (47) (54) (80)
Fastener Torque – 300 Ft-lbs. 8 8 8 — 14 20 31 40 30 35 40 35 — — —
(Nm) (11) (11) (11) — (19) (27) (41) (54) (40) (47) (54) (47) — — —
(DVENIM0390-02)-BX2001_update.indd 25 10/10/13 2:08 PM