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180 Bronze Y Blow-Off Valves
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180 Bronze Y Blow-Off Valves
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Item # 180-1
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Item # 180-1, 1" Y Blow-Off Valve
Lunkenheimer Fig. 180 "Y" Blow-off valves conform to the ASME Boiler Code and are suitable for boiler service up to 80% of valve working steam pressure. Also provide approximate flow and drainage of a gate valve and may be used as such on other services. Also for throttling and fine regulation.
Bodies and Bonnets ASTM B61 Type S-1 Steam Bronze
Seat opening permits almost unrestricted flow. Cylindrical guides insure proper disc seating.
Union Bonnet
Assures strong, pressure-tight connections, facilitates cleaning and inspection.
Discs and Seat Rings
Regrindable, renewable. NT4 nickel alloy.
Back Seats
Repackable when disc is wide open under pressure.
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Specifications
·
Principal Parts and Materials
Specifications
Size
1
in
Dim. A
4 1/2
in
Dim. E
6 11/16
in
Dim. G
4 1/2
in
Dim. M
3 7/2
in
Dim. H
10
in
Weight
4.0
lb
Body Material
Bronze with Metal Seat
Principal Parts and Materials
Part
Fig
Material
ASTM
Body & Bonnet
S-1 Steam Bronze
B61
Disc
180
NT Nickel Alloy
180-T
Teflon
Stem
Stemalloy, Rod
B371
(C6970)
Seat Ring
180
NT Nickel Alloy
180-T
Integral/Bronze
Packing
JC168 Kevlar
Bronze Valves comply with ANSI B1624 arc MSS-S5P-80
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