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All Categories > BOILER VALVES > Blow-down Valves > 300 lb SP Blow-Down Valves with Indicator > Item # 18-2  
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Item # 18-2, 2" Blow-Down Valves with Indicator


With 500 Brinell hard seats
Especially suited for Boiler Blow-Down Service
With Stem Position Indicator, heavy duty.

For maximum versatility in all types of general services, all parts of these "Renewo" valves are renewable. Seals and discs are interchangeable, made of tough materials, and can be reground without removing them from the line.

Seats and Discs
Interchangeable and regrindable.

500 Brineil Stainless Steel plug seats and discs. For throttling, drain, drip. blowdown and other services normally destructive lo seat surfaces.

Bodies
Highest quality steam bronze for strength and corrosion resistance.

Bonnets
Union design provides strong, sate, reliable service in industrial use.

Stems
Exceptionally resistant to wear, corrosion, and embrittlement.

Repacking
Valves are repackable under pressure when wide open. Stuffing boxes are deep lo insure firm thread engagement when fully packed. Back seats above stem threads make scale formation unlikely.

Hexagon Head Glands
Permit the use of a light wrench to loosen and raise gland.

Non-slip Handwheel
Insures tight closing.




Specifications  · Principal Parts and Materials

Specifications

Size
2 in

Dim. C
3 in

Dim. F
9 1/2 in

Dim. G
5 1/2 in

Weight
5 1/2 lb

Type
Angle

Operating Temperature
550 ºF


Principal Parts and Materials
Part Fig Material ASTM
Body & Bonnet   S-1 Steam Bronze B61
Disc   500 Brinell Stainless Steel Type 420F A276
Stem   Stemalloy, Rod B371
(C6970) B 61
Seat Ring   500 Brinell Stainless Steel Type 420F A276
Packing   JC 188 Kevlar  

These valves comply with ANSI B16.24 and MSS-SP-80


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