31
Instruction Manual
SECTION 6 - PART NUMBERS
1-3/4, 2-1/2, 3” plungers: Single Ball Check
Valves,
(Figure 11)
.
Item No.
Description
Qty. Req.
425
Check Valve Assembly Assemblies include two seals (419), seat (420), ball
(422), ball guide (424)
1
419
Seal, PTFE Encapsulated Rubber
2
420
Seat, PVDF
1
422
Ball; 5/8” Ceramic
1
423
Seat, Seal, Ball-Replacement Kit
1
424
Ball Guide/Body, PVDF
1
435
Union Nut, PVC
1
445
Union End, PVC, ½” NPT Female
1
6.2.6 Metallic Liquid End
(see Figure 10)
316SS & Alloy 20 Liquid End, 1-1/4” Plunger:
Double Ball Check Valve
(Figure 13)
Item No.
Description
Qty. Req.
425
Suction Valve Assembly 316SS
2
425
Suction Valve Assembly Alloy 20
2
426
Discharge Valve Assembly 316SS
2
426
Discharge Valve Assembly Alloy 20
2
Check Valve assemblies include seal (419), seat (420), balls (421), ball guide (424)
435
Lock Nut
2
439
Back- up Ring
2
441
O-Ring, Viton
2
Item No.
Description
Qty. Req.
425
Check Valve Assembly
1
Check Valve assemblies include two seals (419), seat (420), balls (421, 422), ball guide (424)
419
O-Ring, viton
2
420
Ball Stop
1
421
Ball, 14mm
1
422
Ball, 22mm
1
424
Ball Guide/Body
1
445
Coupling, ½” BSP Female
1
445
Coupling, ½” NPT Female
1
316SS Liquid End, 1-3/4, 2-1/2” plungers:
Double Ball Check Valves