Master Craft Industrial Equipment
Mueller Streamline Co. Headquarters
150 Schilling Blvd
Suite 201
Collierville, Tennessee 38017
United States
Phone: 901 753 3200
Mueller Streamline Co. International
525 Okeechobee Blvd
Suite 860
West Palm Beach, FL 33401
United States
Phone: 561 273 8300
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Features:
  • Design Pressure (DP) / Maximum abnormal pressure (MAP): 700 psig, 48 bar
  • Continuous operating temperature (COT): -40°F/300°F, -40°C/149°C
  • Contact factory or visit website for compatibility with CFC, HCFC, HFC and HFO refrigerants and oils
  • UL/cUL Recognized, Conforms to Pressure Equipment Directive 2014/68/EU
  • 100% tested
  • Design features easy removal and reassembly of internal components
  • Forged brass body exceeds the most stringent quality standards in the industry
  • Horizontal or vertical installation (not to be installed with bonnet facing down)
  • "Y" type design provides minimal pressure drop and increased flow capacity
  • Non-asbestos gasket material ensures seal integrity, while a heatstabilized PTFE seat provides seal across wide temperature ranges.
  • Back pressure shutoff at low pressure differentials
    • CHECKMASTER® Check Valves - Four-Bolt
    CHECKMASTER® Check Valves - Four-Bolt - Dimensions
    Unit of Measure
    Items CHECKMASTER® Check Valves - Four-Bolt
    B 34235
    CHECKMASTER® Check Valves - Four-Bolt     		CHECKMASTER® Check Valves - Four-Bolt
    B 34236
    CHECKMASTER® Check Valves - Four-Bolt     		CHECKMASTER® Check Valves - Four-Bolt
    B 34237
    CHECKMASTER® Check Valves - Four-Bolt     		CHECKMASTER® Check Valves - Four-Bolt
    B 34238
    CHECKMASTER® Check Valves - Four-Bolt     		CHECKMASTER® Check Valves - Four-Bolt
    B 34239
    CHECKMASTER® Check Valves - Four-Bolt
    Connection Size N/A 7/8 in N/A 1 1/8 in N/A 1 3/8 in N/A 1 5/8 in N/A 2 1/8 in
    Cv N/A 9 N/A 12 N/A 19.9 N/A 21.9 N/A 38.9
    Kv N/A 8 N/A 10 N/A 17 N/A 19 N/A 34
    A N/A 3.55 in90 mm N/A 3.55 in90 mm N/A 4.53 in115 mm N/A 4.53 in115 mm N/A 5.84 in148 mm
    B N/A 3.68 in93 mm N/A 3.68 in93 mm N/A 4.75 in121 mm N/A 4.75 in121 mm N/A 6.37 in162 mm
    C N/A 0.94 in24 mm N/A 0.94 in24 mm N/A 1.25 in32 mm N/A 1.25 in32 mm N/A 1.7 in43 mm
    D N/A 0.88 in22 mm N/A 1.13 in29 mm N/A 1.38 in35 mm N/A 1.63 in41 mm N/A 2.13 in54 mm
    E N/A 0.94 in24 mm N/A 1 in25 mm N/A 1.06 in27 mm N/A 1.06 in27 mm N/A 1.5 in38 mm
    Pressure to Open N/A < 1 bar< 0.07 psi
    Rec Bolt Torques N/A 8 to 15 ft·lb11 to 20 N·m N/A 8 to 15 ft·lb11 to 20 N·m N/A 10 to 20 ft·lb14 to 27 N·m N/A 10 to 20 ft·lb14 to 27 N·m N/A 10 to 20 ft·lb14 to 27 N·m
    MAP N/A 48 bar700 psi
    Weight N/A 1.08 kg2.39 lb N/A 1.04 kg2.29 lb N/A 2.33 kg5.14 lb N/A 2.36 kg5.20 lb N/A 5.55 kg12.23 lb
    Operating Temperature [Min] N/A -40 ºC-40 ºF
    Operating Temperature [Max] N/A 149 ºC300 ºF
    Kit N/A A 17986 N/A A 17986 N/A A 17987 N/A A 17987 N/A A 17988
    Replacement Components - 10 lb Spring N/A P 35656 N/A P 35656 N/A P 35657 N/A P 35657 N/A P 36544
    Replacement Components - 20 lb Spring N/A P 35859 N/A P 35859 N/A P 36305 N/A P 36305 N/A
    Replacement Components - Gasket N/A P 35708 N/A P 35708 N/A P 35691 N/A P 35691 N/A P 35721