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PLUMBING

WATER PRESSURE REDUCING VALVES A

B

C

C

B D
E
A F
G
Suitable for supply water pressures up to 400 lbs. and can be A popular priced “Valve” for residential, commercial, and industrial H
adjusted from 25 to 75 lbs. delivery pressure to the system. The applications. Furnished with union inlet connection with threaded I
standard setting is 50 lbs. NPT female inlet and outlet. Max. tem- tailpiece, for sizes 1/2” through 2”. Suitable for initial pressures J
perature 180°F. Has NPT union inlet x NPT threaded outlet. up to 300 lbs. Reduced pressure range 25-75 lbs. Bronze body K
construction. Renewable stainless steel seat. Stainless steel integral
Product # - 489712 strainer. Furnished with built-in thermal expansion by-pass equal-
izing feature which stops unnecessary relief valve drippage due to
Mfg. # - N55BU - 1/2” thermal expansion in closed systems. Inlet union connection.
Max temp -160 F.
Product # - 489715

Mfg. # - N55BU - 3/4”

#U5B

Product Size Dimension (In.) Weight
# (In.) Lbs.
ABC
489610 1/2 4
489630 3/4 5-3/4 1-7/8 5 5
489650 6
489670 1 6-3/8 1-7/8 5-3/8 9-3/8
489690 1-1/4 14-3/8
489710 1-1/2 6-3/4 2 6 23

2 8 2-1/4 6-1/8

9-1/2 3 6-3/4

11 3-1/4 9

With integral strainer. Special unitized construction - All working L
parts serviceable without removing valve from line. When relief M
setting is in excess of available supply pressure by-pass feature N
limits built-up of system pressure from thermal expansion. Suit- O
able for supply pressures up to 250 lbs. Reduced pressure range P
25-75 lbs. Q

#N250B

Product Size Dimension (In.) Weight
# (In.) Lbs.
AB C

489720+ 1/2 4 1-5/8 3-7/8 2-1/2

489725 3/4 4-5/16 1-3/8 5 3-1/2

R

August 31, 2009