Milton Roy MILROYAL G Instruction Manual page 36

SECTION 6 - PART NUMBERS
Alloy 20 Liquid End, 1-3/4, 2-1/2, 3" plungers:
Double Ball Check Valves (Figure 10)
Item No.
425 Check Valve Assembly
Check Valve assemblies include two seals (419), seat (420), balls (421, 422), ball guide (424)
419 O-Ring, viton
420 Ball Stop
421 Ball, 14mm
422 Ball, 22mm
424 Ball Guide/Body
445 Coupling, ½" BSP Female
445 Coupling, ½" NPT Female
316SS Liquid End, 3" plungers: Single Ball
Check Valves
Item No.
425 Check Valve Assembly
Check Valve assemblies include two O-rings (419), seat (420), ball stop (420), seat (421), ball (422),
body (424)
419 O-Ring,
420 Ball Stop
421 Seat
422 Ball, 22mm
424 Body
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Description
Description
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