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The NIBCO® cast iron automatic steam stop-check angle valve is designed for steam systems with boilers installed in tandem. 

The steam stop-check design prevents boiler flooding by automatically closing when steam and condensate begins to back up. 

These valves are also used to isolate boilers in a steam system. 

The valve is Class 250 flanged iron body and bronze mounted trim (IBBM). 2-1/2" and 3" sizes available in PTFE seat only (F-869-Y).
Features
  • 250 psi/17.2 bar saturated steam to 406°F/207°C
  • 500 psi/34.5 bar non-shock cold working pressure
  • Bronze mounted trim
  • Angle pattern
  • Bolted bonnet
  • Renewable seat and disc
  • Class 250 flanged end connections
  • Use in U.S. drinking water applications is prohibited after January 3, 2014
  • Conforms to MSS SP-85

1 - 9 of 9 Part Numbers
039923269102
039923269102
2-1/2 in. F869Y 2 1/2 Angle with Tap
039923269126
039923269126
4 in. F869B 4 Angle with Tap
039923269133
039923269133
6 in. F869B 6 Angle with Tap
039923269140
039923269140
8 in. F869B 8 Angle with Tap
039923701947
039923701947
2-1/2 in. F869Y 21/2 FLG Angle Cast Iron
039923701954
039923701954
3 in. F869Y 3 FLG ANGLE CAST IRON
039923702029
039923702029
4 in. F869B 4 FLG ANGLE CAST IRON
039923702036
039923702036
6 in. F869B 6 FLG ANGLE CAST IRON
039923702043
039923702043
8 in. F869B 8 FLG ANGLE CAST IRON
1 - 9 of 9 Part Numbers

Specifications

Brand

Handwheel Nut

  • Steel ASTM A307

Identification Plate

  • Aluminum

Handwheel

  • Cast Iron ASTM A126 Class B

Stem

  • Brass ASTM B 16 Alloy C36000

Yoke Bushing

  • Copper Alloy ASTM B584 Alloy C84400

Bonnet

  • Cast Iron ASTM A126 Class B

Gland Follower Stud

  • Steel ASTM A307

Gland Follower Nut

  • Copper Alloy ASTM F467 Alloy C27000

Gland Follower

  • Ductile Iron ASTM A536

Packing Gland

  • Zinc-Plated Powdered Iron ASTM B783 or Copper Alloy ASTM B16

Packing

  • Aramid Fibers / Graphite

Butterfly Handle Nut

  • Steel ASTM A307/SAE J429

Butterfly Handle

  • Copper Alloy ASTM B584 Alloy C84400

Control Valve Stem

  • Copper Alloy ASTM B371 Alloy C69400

Control Valve Pack Nut

  • Copper Alloy ASTM B584 Alloy C84400

Control Valve Pack Gland

  • Copper Alloy ASTM B16 Alloy C36000

Control Valve Packing

  • Aramid Fibers with Graphite

Control Valve Body

  • Copper Alloy ASTM B584 Alloy C84400

Hex Head Cap Screw

  • Steel ASTM A307/SAE J429

Body Gasket

  • Reinforced Graphite

Dashpot Gasket

  • Reinforced Graphite

Dashpot

  • Copper Alloy ASTM B584 Alloy C84400

Piston-Disc

  • Cast Iron ASTM A126 Class B

Piston Ring (2)

  • PTFE Composite Material

Disc Face Ring

  • Copper Alloy ASTM B584 Alloy C84400

Seat Ring

  • Copper Alloy ASTM B584 Alloy C84400

Body

  • Cast Iron ASTM A126 Class B

Piston Ring Collar

  • Copper Alloy ASTM B16 Alloy C36000

Disc Cage

  • Copper Alloy ASTM B584 Alloy C84400

PTFE Disc

  • PTFE

Disc Plate and Nut

  • Copper Alloy ASTM B584 C84400

Piston Rod Plug

  • Copper Alloy ASTM B16 Alloy C36000

Piston Rod Plug Pin

  • Copper Alloy ASTM B 140 Alloy C31400

Documentation

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