Page 16 - Apollo - Gate, Globe & Check Catalog

IRON SWING CHECK VALVES

All dimensions are in inches and pounds.
920F SERIES Apollo International Class 250 FLANGED SWING CHECK

FEATURES: Part Number NPS Length Height Weight
Compatible with ANSI 250# & 300# Flanges
Full Port 6SC-208-B1 2 10.51 4.41 30.0
Minimal Pressure Drop 6SC-209-B1 2 1/2 11.50 5.24 44.0
Bolted Bonnet
Integral Seat 6SC-200-B1 3 12.50 5.67 55.0
STANDARDS: 6SC-20A-B1 4 14.00 6.61 90.0
MSS SP-71 6SC-20C-B1 6 17.50 8.54 172.0
“Gray Iron Swing Check Valves Flanged and Threaded” 6SC-20E-01 8 21.00 10.28 289.0
ASME B16.10 Height is measured from centerline to top of unit.
“Face-to-Face and End-to-End Dimensions of Valves” For Flow Coecients (C ) see page 17.
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PERFORMANCE RATING: NOTE: Class 250 anges and anged ttings have a 0.06 inch raised face in
Saturated Steam: 250 psi (17.2 Bar) to 406°F accordance with MSS SP-6.
Cold Working Pressure: 500 psi (34.5 Bar) at 100°F
Temperature Range: -20°F to 406°F
MATERIALS:
Body, Cover & Disc: ASTM A126 CL-B, CI
Seat & Disc Ring: ASTM B62 (2”-6”) & ASTM A126 CL-B, CI (8”)
Gasket: Graphoil

IRON WAFER CHECKS

All dimensions are in inches and pounds.
910WB SERIES Apollo International Class 125 WAFER CHECK - Nitrile (Buna-N)

FEATURES: Part Number NPS Length Height Weight
Compatible with ANSI 125# & 150# Flanges
Full Port 6WC-108-N1 2 2.21 4.00 5.0
Minimal Pressure Drop 6WC-109-N1 2 1/2 2.38 4.75 7.0
Light Weight
Spring Assisted Closing for Quicker Response 6WC-100-N1 3 2.62 5.25 10.0
PERFORMANCE RATING: 6WC-10A-N1 4 2.62 6.75 12.0
Cold Working Pressure: 6WC-10B-N1 5 3.25 7.50 15.0
200 psi (13.8 Bar) at 100°F (2”-12”) 6WC-10C-N1 6 3.75 8.50 22.0
150 psi (10.3 Bar) at 100°F (14”-24”) 6WC-10E-N1 8 5.00 11.00 35.0
Temperature Range:
10°F to 180°F 6WC-10G-N1 10 5.50 13.25 66.0
MATERIALS: 6WC-10H-N1 12 7.12 16.00 108.0
Body: ASTM A126 CL-B, CI 6WC-10J-N1 14 7.25 17.75 172.0
Disc: Aluminum Bronze 6WC-10K-N1 16 7.50 20.00 132.0
Seat: Nitrile (Buna-N) 6WC-10M-N1 18 8.00 21.50 223.0
6WC-10N-N1 20 8.38 23.75 333.0
6WC-10P-N1 24 8.75 28.00 474.0
For Flow Coecients (C ) see page 17.
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