• CKD AMD*1M Metalless Chemical Air Operated Valve
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CKD AMD*1M Metalless Chemical Air Operated Valve

CKD AMD*1M Metalless Chemical Air Operated Valve

CKD AMD31M/AMD51M metalless normally-closed air-operated diaphragm valves designed for strong-acid (HCl, HF) lines in semiconductor manufacturing.

Key features

  • Metal-free construction for strong acid lines
  • Super 300 type Pillar P-series integrated fittings, OD 10 mm to 1" tube
  • Orifice 8-22 mm, Cv 1.25-9.5
  • AMD51M is an export-controlled item

Specifications

Action NC (normally closed)
Fluid Chemicals, pure water, air, N2 gas
Fluid temperature 5-40 C
Proof pressure 1.0 MPa
Operating pressure 0-0.5 MPa
Operating air pressure 0.4-0.6 MPa
Pilot port Rc1/8
Mass 0.33 kg (AMD31M), 1.0 kg (AMD51M)
Source CKD Korea catalog CB-031K-15, p. 132-135
AMD31M-3BJ Model: AMD31M | Connection: 3/8" tube | Orifice: 8 mm | Cv: 1.25
AMD31M-10J Model: AMD31M | Connection: OD 10 mm tube | Orifice: 10 mm | Cv: 1.8
AMD31M-4BJ Model: AMD31M | Connection: 1/2" tube | Orifice: 10 mm | Cv: 1.8
AMD31M-12J Model: AMD31M | Connection: OD 12 mm tube | Orifice: 10 mm | Cv: 1.8
AMD51M-6BJ Model: AMD51M | Connection: 3/4" tube | Orifice: 16 mm | Cv: 5.5
AMD51M-8BJ Model: AMD51M | Connection: 1" tube | Orifice: 22 mm | Cv: 9.5
AMD51M-25J Model: AMD51M | Connection: OD 25 mm tube | Orifice: 22 mm | Cv: 9.5
Air Operated ValvesCKD
7 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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CKD AMD*1M Metalless Chemical Air Operated Valve

Brand CKD·Air Operated Valves

Available part numbers (7)

AMD31M-3BJ, AMD31M-10J, AMD31M-4BJ, AMD31M-12J, AMD51M-6BJ, AMD51M-8BJ, AMD51M-25J

How to order

Send the CKD part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codes & specifications
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Product codeSpec
AMD31M-3BJModel: AMD31M | Connection: 3/8" tube | Orifice: 8 mm | Cv: 1.25
AMD31M-10JModel: AMD31M | Connection: OD 10 mm tube | Orifice: 10 mm | Cv: 1.8
AMD31M-4BJModel: AMD31M | Connection: 1/2" tube | Orifice: 10 mm | Cv: 1.8
AMD31M-12JModel: AMD31M | Connection: OD 12 mm tube | Orifice: 10 mm | Cv: 1.8
AMD51M-6BJModel: AMD51M | Connection: 3/4" tube | Orifice: 16 mm | Cv: 5.5
AMD51M-8BJModel: AMD51M | Connection: 1" tube | Orifice: 22 mm | Cv: 9.5
AMD51M-25JModel: AMD51M | Connection: OD 25 mm tube | Orifice: 22 mm | Cv: 9.5

Need a different model, or a part not listed here? Send us your parts list →

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