Complaint
The following part no. for your confirmation with us when inquiry:
Mechanical seal (Tungsten carbide faces), P/N: 22451-1, 648414308; 22451-2, 648414340; 22451-3, 648414357; 22451-9A
Packing shaft with lantern ring (Graphite), P/N: 25014-04M-B, 661007005; 25014-04M-BA, 661007008
Packing shaft with lantern ring (PTFE), P/N: 250147-04M-D, 661007011; 25014-04M-C, 661007006
Packing, Shaft -M.S. Backup (Graphite), P/N: 648402600/8264-24-OB
Ring, Lantern, or Lantern Ring, P/N: 648408607
A set of mechanical seal includes Mechanical seal, 3 pcs packings and a pin.
Approved Part Number(s) Manufacturer
Mechanical Seal Assembly, not include the Graphite Backup Packing (3001200): P25MS/TT, 22451, 17662, 34A-250-MSI, 721540, WVBUF9000, H22451
Graphite (backup) Packing: P25PMSG, 8264-24-OBA, 17660-001, 8A-250-PMSG, 720440, 052141500, H2537-24A, 25014-04M-B,661007005
Pump Rebuild Kit for Mission NOV Varco SandMaster Pumps 2½"seal.
The Standard Service rebuild kit includes:
(1 Mechanical seals with VITON® elastomers, Tungsten seal face and Tungsten stationary seats
(2 Set of premium oil field packing
(3 Ceramic coated 316SS sleeve or stainless steel sleeve
(4 Replacement pin
(5 NOV Part # 22451-1
CERAMIC COATED SHAFT SLEEVE
OEM#: P25SHSLVC, 7A-250-SSC, 721580, 641102181, 17666-002, 11-250SBPG,052144200, H20613-21G-7A
STAINLESS STEEL SHAFT SLEEVE
OEM #: MISSION 20943-21,641102182
ALLOY STEEL SHSFT
OEM# 20612-02-33, 646490557, TP-25SHFT, 17665-001, 7-250-416SS, P25SHFT, 052133900, H20612-02-33
Key, shaft: 4372-5-21,H4372-5-21,601212392,WWW00A004,H4372-5-21
