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Welch 609123 Replacement Diaphragm – Genuine OEM

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Genuine OEM Welch Diaphragm – Part # 609123

This is a genuine Welch OEM replacement diaphragm (Part Number 609123) designed for Welch DryFast, Self-Cleaning, and ChemStar Dry chemical duty diaphragm vacuum pumps.

Compatible Models

  • 2014
  • 2022
  • 2025
  • 2026
  • 2027
  • 2032
  • 2034
  • 2042
  • 2070
  • 2071

Important Note: Most Welch DryFast and ChemStar Dry pumps require two diaphragms for a complete repair. The model 2014 requires only one diaphragm.

Key Benefits

  • Genuine Welch factory part – ensures perfect fit and optimal performance
  • High-quality PTFE material for excellent chemical resistance
  • Extends pump life and maintains strong vacuum performance
  • Ideal for aggressive solvent and chemical vapor applications

Keep your Welch DryFast or ChemStar Dry vacuum pump running like new with authentic OEM diaphragms from Chemtech Scientific. Fast shipping and expert support included.

It strongly recommended to use the OEM Welch diaphragm wrench when removing or installing this diaphragm.

Genuine OEM Welch Diaphragm – Part # 609123

This is a genuine Welch OEM replacement diaphragm (Part Number 609123) designed for Welch DryFast, Self-Cleaning, and ChemStar Dry chemical duty diaphragm vacuum pumps.

Compatible Models

  • 2014
  • 2022
  • 2025
  • 2026
  • 2027
  • 2032
  • 2034
  • 2042
  • 2070
  • 2071

Important Note: Most Welch DryFast and ChemStar Dry pumps require two diaphragms for a complete repair. The model 2014 requires only one diaphragm.

Key Benefits

  • Genuine Welch factory part – ensures perfect fit and optimal performance
  • High-quality PTFE material for excellent chemical resistance
  • Extends pump life and maintains strong vacuum performance
  • Ideal for aggressive solvent and chemical vapor applications

Keep your Welch DryFast or ChemStar Dry vacuum pump running like new with authentic OEM diaphragms from Chemtech Scientific. Fast shipping and expert support included.

It strongly recommended to use the OEM Welch diaphragm wrench when removing or installing this diaphragm.

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