Check Valves - CK4A | Product Series

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Port Size (inch)

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Adapter Ring

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Check Valves - CK4A

Check Valves - CK4A

Where to Buy

The Type CK4A Check Valves prevent backward flow of fluid in refrigerant suction, hot gas or liquid lines.

Technical Specifications

  • Model Number: Please Configure Part for Model Number
  • Maximum Operating Pressure: 34.5 bar, 500 psig
  • Minimum Operating Temperature: -50 °C, -60 °F
  • Maximum Operating Temperature: 105 °C, 220 °F
  • Pressure Drop: 0.05 bar, 0.04 bar, 0.75 psig, 0.60 psig
  • Operation Type: Spring Closing
  • Valve Type: CK4
  • Port Size: 15 to 80 mm, 1/2 to 8 inch
  • Flange Face Type: FPT, ODS, Socket Weld, Weld Neck, No Flange
  • Connection Size: None, 1/2 to 8 inch
  • Adapter Ring Included: No Adapter Ring, Male Adapter Ring
  • Valve Material: Standard Material, Meets Pressure Equipment Directive (PED)
  • Plating Type: No Plating, Zinc Plated, Painted- No Plating
  • Body Material: Cast Steel, Cast Steel (A-352 GR, LCB), Ductile Iron (GGG-40.3)
Safety Warning

Full Product Description

Parker’s CK4 check valves are designed to be close coupled to a control valve which will reduce overall installation length, complexity, and cost. These valves are designed to prevent backflow in a variety of refrigeration applications and can be mounted on a valve or as a standalone component. The CK4 can be mounted in any orientation when used as a standalone part of the refrigeration system. These compact valves are spring closing with a lapped, stainless steel or chrome plated seat for positive closing action and low leakage. A minimum pressure difference of 0.05 bar (0.75 psi) is required to hold the valve in the open position. Removable seat plate with combination O-ring and metal to metal knife edge seal allows the valve to be disassembled for maintenance. They may be ordered with male adapter rings for close-coupling to other Refrigerating Specialties valves.

Markets:
• Industrial Refrigeration
• Commercial Refrigeration

Features and Benefits:
• UL Listed (Thru 3” Size)
• May be installed in any position
• Compact
• Lightweight
• Inline
• Design Pressure (MRP): 34.5 bar (500 psi)

Applications:
• Re-circulating (overfeed) systems
• High speed compressor discharge
• Pump discharge
• Suction temperatures down to -45°C (-50°F)
• Hot gas lines (pan to evaporator)
• Not suitable for discharge of reciprocating compressor or economizer port of screw compressor

Related Documents

Compliance, Certifications, & Safety
Declaration of Conformity - Flanged Check Valves
EU Declaration of Conformity Flanged Check-Valve CK4A DN15 to 100
EU Declaration of Conformity Flanged Check-Valve CK4A DN15 to 100
Literature and Reference Materials
Check Valves: CK4A (Bul. 50-20)
Check Valves: CK4A DN (Bul. DN 50-16)
Product Bulletin - Check Valve -- Type CK4A Port Size 13 - 100mm (1/2” - 4”)
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Products Port Size (mm) Port Size (inch) Flange Type Connection Size Valve Material Adapter Ring Plating Body Material
CK413F06NSN 15mm 1/2" FPT 1/4" Standard Valve Material No Adapter Ring No Plating Cast Steel
CK413F10NSN 15mm 1/2" FPT 3/8" Standard Valve Material No Adapter Ring No Plating Cast Steel
CK413F13MSN 15mm 1/2" FPT 1/2" Standard Valve Material With Male Adapter Ring No Plating Cast Steel
CK413F13NSN 15mm 1/2" FPT 1/2" Standard Valve Material No Adapter Ring No Plating Cast Steel
CK413F20MSN 15mm 1/2" FPT 3/4" Standard Valve Material With Male Adapter Ring No Plating Cast Steel
CK413F20NSN 15mm 1/2" FPT 3/4" Standard Valve Material No Adapter Ring No Plating Cast Steel
CK413K05NSN 15mm 1/2" ODS 5/8" Standard Valve Material No Adapter Ring No Plating Cast Steel
CK413K13NSN 15mm 1/2" ODS 1/2" Standard Valve Material No Adapter Ring No Plating Cast Steel
CK413S10NSN 15mm 1/2" Socket Weld 3/8" Standard Valve Material No Adapter Ring No Plating Cast Steel
CK413S13MSN 15mm 1/2" Socket Weld 1/2" Standard Valve Material With Male Adapter Ring No Plating Cast Steel
CK413S13NSN 15mm 1/2" Socket Weld 1/2" Standard Valve Material No Adapter Ring No Plating Cast Steel
CK413S20MSN 15mm 1/2" Socket Weld 3/4" Standard Valve Material With Male Adapter Ring No Plating Cast Steel
CK413S20NSN 15mm 1/2" Socket Weld 3/4" Standard Valve Material No Adapter Ring No Plating Cast Steel
CK413W13NSN 15mm 1/2" Weld Neck 1/2" Standard Valve Material No Adapter Ring No Plating Cast Steel
CK413W20MSN 15mm 1/2" Weld Neck 3/4" Standard Valve Material With Male Adapter Ring No Plating Cast Steel
CK413X00MSN 15mm 1/2" No Flange None Standard Valve Material With Male Adapter Ring No Plating Cast Steel
CK413X00NSN 15mm 1/2" No Flange None Standard Valve Material No Adapter Ring No Plating Cast Steel
CK420F20MSN 20mm 3/4" FPT 3/4" Standard Valve Material With Male Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK420F20NSN 20mm 3/4" FPT 3/4" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK420F25NSN 20mm 3/4" FPT 1" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK420F32NSN 20mm 3/4" FPT 1-1/4" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK420K07MSN 20mm 3/4" ODS 7/8" Standard Valve Material With Male Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK420K07NPN 20mm 3/4" ODS 7/8" Meets Pressure Equipment Directive (PED) No Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK420K07NSN 20mm 3/4" ODS 7/8" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK420K09NPN 20mm 3/4" ODS 1-1/8" Meets Pressure Equipment Directive (PED) No Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK420K09NSN 20mm 3/4" ODS 1-1/8" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK420K11NPN 20mm 3/4" ODS 1-3/8" Meets Pressure Equipment Directive (PED) No Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK420K11NSN 20mm 3/4" ODS 1-3/8" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK420S20MSN 20mm 3/4" Socket Weld 3/4" Standard Valve Material With Male Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK420S20NPN 20mm 3/4" Socket Weld 3/4" Meets Pressure Equipment Directive (PED) No Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK420S20NSN 20mm 3/4" Socket Weld 3/4" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK420S25MSN 20mm 3/4" Socket Weld 1" Standard Valve Material With Male Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK420S25NPN 20mm 3/4" Socket Weld 1" Meets Pressure Equipment Directive (PED) No Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK420S25NSN 20mm 3/4" Socket Weld 1" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK420S32NPN 20mm 3/4" Socket Weld 1-1/4" Meets Pressure Equipment Directive (PED) No Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK420S32NSN 20mm 3/4" Socket Weld 1-1/4" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK420W20NPN 20mm 3/4" Weld Neck 3/4" Meets Pressure Equipment Directive (PED) No Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK420W20NSN 20mm 3/4" Weld Neck 3/4" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK420X00MPN 20mm 3/4" No Flange None Meets Pressure Equipment Directive (PED) With Male Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK420X00MSN 20mm 3/4" No Flange None Standard Valve Material With Male Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK420X00NPN 20mm 3/4" No Flange None Meets Pressure Equipment Directive (PED) No Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK420X00NSN 20mm 3/4" No Flange None Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK425F20NSN 25mm 1" FPT 3/4" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK425F25MSN 25mm 1" FPT 1" Standard Valve Material With Male Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK425F25NSN 25mm 1" FPT 1" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK425F32NSN 25mm 1" FPT 1-1/4" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK425K09NPN 25mm 1" ODS 1-1/8" Meets Pressure Equipment Directive (PED) No Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK425K09NSN 25mm 1" ODS 1-1/8" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK425K11NPN 25mm 1" ODS 1-3/8" Meets Pressure Equipment Directive (PED) No Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK425K11NSN 25mm 1" ODS 1-3/8" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK425S20MSN 25mm 1" Socket Weld 3/4" Standard Valve Material With Male Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK425S20NSN 25mm 1" Socket Weld 3/4" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK425S25MSN 25mm 1" Socket Weld 1" Standard Valve Material With Male Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK425S25NPN 25mm 1" Socket Weld 1" Meets Pressure Equipment Directive (PED) No Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK425S25NSN 25mm 1" Socket Weld 1" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK425S32MSN 25mm 1" Socket Weld 1-1/4" Standard Valve Material With Male Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK425S32NPN 25mm 1" Socket Weld 1-1/4" Meets Pressure Equipment Directive (PED) No Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK425S32NSN 25mm 1" Socket Weld 1-1/4" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK425W25NPN 25mm 1" Weld Neck 1" Meets Pressure Equipment Directive (PED) No Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK425W25NSN 25mm 1" Weld Neck 1" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK425W32NPN 25mm 1" Weld Neck 1-1/4" Meets Pressure Equipment Directive (PED) No Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK425X00MPN 25mm 1" No Flange None Meets Pressure Equipment Directive (PED) With Male Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK425X00MSN 25mm 1" No Flange None Standard Valve Material With Male Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK425X00NPN 25mm 1" No Flange None Meets Pressure Equipment Directive (PED) No Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK425X00NSN 25mm 1" No Flange None Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK432F32MSN 32mm 1-1/4" FPT 1-1/4" Standard Valve Material With Male Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK432F32NSN 32mm 1-1/4" FPT 1-1/4" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK432F38NSN 32mm 1-1/4" FPT 1-1/2" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK432K14MSN 32mm 1-1/4" ODS 1-5/8" Standard Valve Material With Male Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK432K14NPN 32mm 1-1/4" ODS 1-5/8" Meets Pressure Equipment Directive (PED) No Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK432K14NSN 32mm 1-1/4" ODS 1-5/8" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK432S32MSN 32mm 1-1/4" Socket Weld 1-1/4" Standard Valve Material With Male Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK432S32NPN 32mm 1-1/4" Socket Weld 1-1/4" Meets Pressure Equipment Directive (PED) No Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK432S32NSN 32mm 1-1/4" Socket Weld 1-1/4" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK432S38MSN 32mm 1-1/4" Socket Weld 1-1/2" Standard Valve Material With Male Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK432S38NPN 32mm 1-1/4" Socket Weld 1-1/2" Meets Pressure Equipment Directive (PED) No Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK432S38NSN 32mm 1-1/4" Socket Weld 1-1/2" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK432W32NPN 32mm 1-1/4" Weld Neck 1-1/4" Meets Pressure Equipment Directive (PED) No Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK432W32NSN 32mm 1-1/4" Weld Neck 1-1/4" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK432W38NPN 32mm 1-1/4" Weld Neck 1-1/2" Meets Pressure Equipment Directive (PED) No Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK432X00MPN 32mm 1-1/4" No Flange None Meets Pressure Equipment Directive (PED) With Male Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK432X00MSN 32mm 1-1/4" No Flange None Standard Valve Material With Male Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK432X00NPN 32mm 1-1/4" No Flange None Meets Pressure Equipment Directive (PED) No Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK432X00NSN 32mm 1-1/4" No Flange None Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK450F38NSN 50mm 2" FPT 1-1/2" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK450F50MSN 50mm 2" FPT 2" Standard Valve Material With Male Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK450F50NSN 50mm 2" FPT 2" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK450K17NPN 50mm 2" ODS 2-1/8" Meets Pressure Equipment Directive (PED) No Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK450K17NSN 50mm 2" ODS 2-1/8" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK450K21NPN 50mm 2" ODS 2-5/8" Meets Pressure Equipment Directive (PED) No Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK450S38MSN 50mm 2" Socket Weld 1-1/2" Standard Valve Material With Male Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK450S38NPN 50mm 2" Socket Weld 1-1/2" Meets Pressure Equipment Directive (PED) No Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK450S38NSN 50mm 2" Socket Weld 1-1/2" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK450S50MSN 50mm 2" Socket Weld 2" Standard Valve Material With Male Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK450S50NPN 50mm 2" Socket Weld 2" Meets Pressure Equipment Directive (PED) No Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK450S50NSN 50mm 2" Socket Weld 2" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK450W50NPN 50mm 2" Weld Neck 2" Meets Pressure Equipment Directive (PED) No Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK450W50NSN 50mm 2" Weld Neck 2" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK450X00MPN 50mm 2" No Flange None Meets Pressure Equipment Directive (PED) With Male Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK450X00MSN 50mm 2" No Flange None Standard Valve Material With Male Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK450X00NPN 50mm 2" No Flange None Meets Pressure Equipment Directive (PED) No Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK450X00NSN 50mm 2" No Flange None Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK465K21MSN 65mm 2-1/2" ODS 2-5/8" Standard Valve Material With Male Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK465K21NPN 65mm 2-1/2" ODS 2-5/8" Meets Pressure Equipment Directive (PED) No Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK465K21NSN 65mm 2-1/2" ODS 2-5/8" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK465K27NPN 65mm 2-1/2" ODS 3-1/8" Meets Pressure Equipment Directive (PED) No Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK465K27NSN 65mm 2-1/2" ODS 3-1/8" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK465S65MSN 65mm 2-1/2" Socket Weld 2-1/2" Standard Valve Material With Male Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK465S65NPN 65mm 2-1/2" Socket Weld 2-1/2" Meets Pressure Equipment Directive (PED) No Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK465S65NSN 65mm 2-1/2" Socket Weld 2-1/2" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK465S75NSN 65mm 2-1/2" Socket Weld 3" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK465W65NPN 65mm 2-1/2" Weld Neck 2-1/2" Meets Pressure Equipment Directive (PED) No Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK465W65NSN 65mm 2-1/2" Weld Neck 2-1/2" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK465X00MPN 65mm 2-1/2" No Flange None Meets Pressure Equipment Directive (PED) With Male Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK465X00MSN 65mm 2-1/2" No Flange None Standard Valve Material With Male Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK465X00NPN 65mm 2-1/2" No Flange None Meets Pressure Equipment Directive (PED) No Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK465X00NSN 65mm 2-1/2" No Flange None Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK475K27NPN 80mm 3" ODS 3-1/8" Meets Pressure Equipment Directive (PED) No Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK475K27NSN 80mm 3" ODS 3-1/8" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK475K29NPN 80mm 3" ODS 3-5/8" Meets Pressure Equipment Directive (PED) No Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK475S75MSN 80mm 3" Socket Weld 3" Standard Valve Material With Male Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK475S75NPN 80mm 3" Socket Weld 3" Meets Pressure Equipment Directive (PED) No Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK475S75NSN 80mm 3" Socket Weld 3" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK475W75MSN 80mm 3" Weld Neck 3" Standard Valve Material With Male Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK475W75NSN 80mm 3" Weld Neck 3" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK475X00MSN 80mm 3" No Flange None Standard Valve Material With Male Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK475X00NPN 80mm 3" No Flange None Meets Pressure Equipment Directive (PED) No Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK475X00NSN 80mm 3" No Flange None Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK4A0K33NSN 100mm 4" ODS 4-1/8" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK4A0SP0MSN 100mm 4" Socket Weld 4" Standard Valve Material With Male Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK4A0SP0NPN 100mm 4" Socket Weld 4" Meets Pressure Equipment Directive (PED) No Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK4A0SP0NSN 100mm 4" Socket Weld 4" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK4A0WP0NSN 100mm 4" Weld Neck 4" Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK4A0X00MSN 100mm 4" No Flange None Standard Valve Material With Male Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK4A0X00NPN 100mm 4" No Flange None Meets Pressure Equipment Directive (PED) No Adapter Ring Zinc Plated Ductile Iron (GGG-40.3)
CK4A0X00NSN 100mm 4" No Flange None Standard Valve Material No Adapter Ring Zinc Plated Cast Steel (A-352 GR, LCB)
CK4A1SP1NSN 125mm 5" Socket Weld 5" Standard Valve Material No Adapter Ring Painted- No Plating Cast Steel (A-352 GR, LCB)
CK4A1X00NSN 125mm 5" No Flange None Standard Valve Material No Adapter Ring Painted- No Plating Cast Steel (A-352 GR, LCB)
CK4A2SP2NSN 150mm 6" Socket Weld 6" Standard Valve Material No Adapter Ring Painted- No Plating Cast Steel (A-352 GR, LCB)
CK4A2X00NSN 150mm 6" No Flange None Standard Valve Material No Adapter Ring Painted- No Plating Cast Steel (A-352 GR, LCB)
CK4A3SP3NSN 200mm 8" Socket Weld 8" Standard Valve Material No Adapter Ring Painted- No Plating Cast Steel (A-352 GR, LCB)
CK4A3X00NSN 200mm 8" No Flange None Standard Valve Material No Adapter Ring Painted- No Plating Cast Steel (A-352 GR, LCB)
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