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MSS SP-85 Cast Iron Globe Valve

The MSS SP-85 Cast Iron Globe Valve is the American standard for flanged and threaded globe valves. It is designed for throttling and shut-off in general industrial systems.

Key Features:
Standard: Follows Manufacturers Standardization Society (MSS) SP-85.
Design: Outside Screw & Yoke (OS&Y) with a bolted bonnet.
Ratings: Typically Class 125 (Flat Face) or Class 250 (Raised Face).
Trim: Bronze or Stainless Steel.
Usage: Common in HVAC and steam applications.

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MSS SP-85 Technical Attributes Table

 

1,Design Standard,MSS SP-85 (Gray Iron Globe & Angle Valves)

2,Standard Size Range,"2"" to 12"" (DN50 – DN300)"

3,Small Bore Range,"1/4"" to 2"" (typically threaded or solder ends)"

4,Pressure Classes,Class 125 and Class 250

5,Body Material,Cast Iron / Gray Iron (ASTM A126 Class B)

6,Face-to-Face Dim.,ASME B16.10

7,End Connections,Flanged (ASME B16.1) or Threaded (ASME B1.20.1)

8,Bonnet Type,Bolted Bonnet (BB)

9,Stem Configuration,OS&Y (Outside Screw and Yoke) / Rising Stem

10,Seat Materials,"Bronze (IBBM), Stainless Steel, or All Iron"

11,Disc Design,Renewable Plug or Ball type; composition discs available

12,Max Temperature,Up to 450°F (232°C) depending on trim and pressure

13,Cold Working Press.,200 psi (Class 125); 500 psi (Class 250)

14,Steam Rating,125 psi (Class 125); 250 psi (Class 250)

15,Operation,Handwheel (standard); Gearbox or Actuator (optional)

16,Trim Options,Bronze Mounted (Standard) or Stainless Steel

17,Testing Standard,MSS SP-85 or API 598

18,Bolting Material,ASTM A307 Grade B (Carbon Steel)

19,Packing Material,Graphite or PTFE (Non-asbestos)

20,Typical Applications,"Steam systems, HVAC, water distribution, non-corrosive oil"


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