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 (Teflon), P/N: 250147-04M-D, 661007011; 25014-04M-C, 661007006
Packing, Shaft -M.S. Backup (Graphite), P/N: 648402600
Ring, Lantern, or Lantern Ring, P/N: 648408607
A set of mechanical seal includes Mechanical seal, 3 pcs packings and a pin.
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
| TME | PART NO | CATALOG NO | DESCRIPTION |
| 5A | 648414308 | 22451-1 | Seal, Mechanical(Tungsten Carbide Faces) |
| 5A | 648414340 | 22451-2 | Seal, Mechanical(Ceramic Carbon Faces) |
| 5A | 648414357 | 22451-3 | Seal, Mechanical(Silicon to Tungsten Faces) |
| 5A | 22451-9A | 22451-9A | Seal, Mechanical(Silicon Carbide Faces) |
| 5A | 661007005 | 25014-04M-B | Packing, Shaft, w/latern ring(Graphite) |
| 5A | 661007008 | 25014-04M-BA | Packing, Shaft, w/latern ring(King) |
| 5A | 661007011 | 250147-04M-D | Packing, Shaft, w/latern ring(Teflon) |
| 5A | 661007006 | 25014-04M-C | Packing, Shaft, w/latern ring(Kevlar) |
| 5A | 648408607 | Packing, Shaft-M.S. Backup(Graphite) | |
| 5A | 648408607 | Ring, Latern |
Flowserve: RO;EAGLE 1257.
2. Stationary ring: ceramic/SIC/TC
3. Rotary ring: carbon/SIC/TC
4. Secondary seal: NBR/EPDM/VITON
5. Spring&Metal parts: steel
Working conditions of industrial double face mechanical seal
1. Pressure: ≤0.3Mpa
2. Speed: ≤10m/s
3. Temperature: -30ºC~200ºC
Drawing of industrial double face mechanical seal
Sizes of industrial double face mechanical seal
| Model | d | D1 | D2 | L | L1 | L2 |
| BT560D-12 | 12 | 25 | 25 | 36 | 5 | 5 |
| BT560D-13 | 13 | 25 | 25 | 36 | 5 | 5 |
| BT560D-14 | 14 | 30 | 30 | 36 | 5 | 5 |
| BT560D-15 | 15 | 30 | 30 | 36 | 5 | 5 |
| BT560D-16 | 16 | 30 | 30 | 36 | 5 | 5 |
| BT560D-18 | 18 | 35 | 38 | 49 | 7 | 7 |
| BT560D-19 | 19 | 35 | 38 | 49 | 7 | 7 |
| BT560D-20 | 20 | 38 | 44 | 49 | 7 | 7 |
| BT560D-25 | 25 | 44 | 50 | 51 | 7 | 7 |
| BT560D-30 | 30 | 50 | 57 | 59 | 9 | 8 |
| BT560D-35 | 35 | 58 | 64 | 61 | 9 | 9 |
| BT560D-40 | 40 | 64 | 70 | 64.5 | 11 | 9 |
| BT560D-45 | 45 | 66 | 70 | 65 | 10 | 9 |
| BT560D-50 | 50 | 72 | 80 | 69.5 | 10 | 9 |
1 250 Pedestal 1-250-PED
2 250 Shaft 7-250-416SS
3 250 Outboard Bearing Housing 4C-250-BH
4 250 Packing Gland 9-250-GPA
5 250 Inboard Bearing 4B-250-BI
6 250 Slinger Ring Water 23-250-SRW-U
7 250 Inboard Bearing Cover 2B-250-BC
8 250 Outboard Bearing 4A-250-BO
9 250 Outboard Bearing Cover -2A-250-BC
10 250 Graphite Packing 8A-250-PMSG
– 250 king Packing 8C-250-PMSK
– 250 Teflon Packing 8D-250-PMSK
– 250 Mechanical Seal 34A-250-MSI
11 250 Gland Bolt Assembly 10-250-GABA-
12 250 Shaft Sleeve, Ceramic 7A-250-SSC
13 250 Stuffing Box F/Packing 11-250-SBPS-
– 250 Stuffing Box F/Mech. Seal 11C-250-SBMSS
14 250-2X3X13 Impeller 122523IXXX
– 250-3X4X13 Impeller 122534IXXX
– 250-4X5X14 Impeller 122545IXXX
– 250-5X6X11 Impeller 122556IXXX
– 250-5X6X14 Impeller 122564XXX
– 250-5X6X11 Impeller 1225681XXX
– 250-6X8X14 Impeller 122568IXXX
15 250-2X3X13 Housing Assembly 142523HAS
– 250-3X4X13 Housing Assembly 142534HAS
– 250-4X5X14 Housing Assembly N/A
– 250-5X6X11 Housing Assembly 1425561HAS-11
– 250-5X6X14 Housing Assembly 1425561HAS-14
– 250-6X8X11 Housing Assembly N/A
– 250-6X8X14 Housing Assembly 142568HAS
16 250 Housing Stud W/Nut 15-250-HSN
17A 250 Fluid End Gasket Kit 31-250-FEGK
17 250 Housing Gasket 13C-250-HGA
18 250 Impeller Seal – Oring 12B250-ISOR
19 250 Shaft Sleeve Seal – Oring 7B-250-SSOR
20A 250 Oil Seal Kit 33-250-GSK
20 250 Inboard Bearing Oil Seal 5B-250-OGSI
21 250 Inboard Bearing Oil Seal 5B-250-SEXI
22 250 Outboard Bearing Oil Seal 5A-250-OGSO
23A 250 Power End Gasket Kit 32-250-PEGK
23 250 Inboard Bearing Cover Gasket 3A-250-BCG
24 250 Outbd. Bearing Hsg. Seal-Oring 4D-250-BHOR
25 250 Outbd. Brg. Cover Seal-Oring 3B-250-BCOR
26 250 Bearing Lock Nut Kit 4E-250-BBLNA