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NW Adapters: ISO-KF to ISO-MF Conical, ISO-KF to VCR® Male, ISO-KF to VCR® Female

 

 

Adapter ISO-KF to ISO-MF Conical Reducer

  • Stainless steel type 304
  • Other combinations available upon request

Adapter ISO-KF to ISO-MF Conical Reducer

Adapter ISO-KF to ISO-MF Conical Reducer

 
PART NUMBER FLANGE SIZES A B
KSA-3640-CR NW 40 to NW 63 2.87 1.37
KSA-3650-CR NW 50 to NW 63 2.87 1.87
KSA-8580-CR NW 40 to NW 80 4.12 1.37
KSA-3650-1-CR NW 50 to NW 80 2.87 1.87
KSA-3650-2-CR NW 50 to NW 100 4.12 1.87

 

 

Adapter ISO-KF to VCR® Male

  • Stainless steel type 304

Adapter ISO-KF to VCR® Male

Adapter ISO-KF to VCR® Male

 
PART NUMBER FLANGE SIZE A B
KSA-3716 NW 16 to 1/4” VCR® 1.40 0.19
KSA-3716-1 NW 16 to 1/2” VCR® 1.63 0.41
KSA-3725 NW 25 to 1/4” VCR® 1.40 0.62
KSA-3725-1 NW 25 to 1/2” VCR® 1.60 0.41
KSA-3725-2 NW 25 to 3/4” VCR® 2.14 0.62
KSA-3740 NW 40 to 1/4” VCR® 1.40 0.19
KSA-3740-1 NW 40 to 1/2” VCR® 1.60 0.41
KSA-3740-2 NW 40 to 3/4” VCR® 2.10 0.62
KSA-3750 NW 50 to 1/4” VCR® 1.40 0.19
KSA-3750-1 NW 50 to 1/2” VCR® 1.60 0.41
KSA-3750-2 NW 50 to 3/4” VCR® 2.10 0.62

 

 

Adapter ISO-KF to VCR® Female

  • Stainless steel type 304

Adapter ISO-KF to VCR® Female

Adapter ISO-KF to VCR® Female

 
PART NUMBER FLANGE SIZE A B
KSA-3816 NW 16 to 1/4" VCR® 1.40 0.19
KSA-3816-1 NW 16 to 1/2" VCR® 1.63 0.41
KSA-3825 NW 25 to 1/4" VCR® 1.40 0.62
KSA-3825-1 NW 25 to 1/2" VCR® 1.60 0.41
KSA-3825-2 NW 25 to 3/4" VCR® 2.14 0.62
KSA-3840 NW 40 to 1/4" VCR® 1.40 0.19
KSA-3840-1 NW 40 to 1/2" VCR® 1.60 0.41
KSA-3840-2 NW 40 to 3/4" VCR® 2.10 0.62
KSA-3850 NW 50 to 1/4" VCR® 1.40 0.19
KSA-3850-1 NW 50 to 1/2" VCR® 1.60 0.41
KSA-3850-2 NW 50 to 3/4" VCR® 2.10 0.62

Product information is subject to change without notice. Product images may include options or accessories not included with the base model.

Precision Welded. Performance Proven.
For 50 years, Key High Vacuum Products, Inc. has been a trusted leader in precision-engineered stainless steel high vacuum weldments. With tens of thousands of unique weldments in use—from particle accelerators to industrial leak detectors—our expertise is proven across industries. Rooted in innovation, craftsmanship, and an unwavering commitment to customer satisfaction, we deliver high-quality, customized solutions that drive success. Every day, our team brings a unique blend of passion and precision, ensuring your goals are met with excellence—because your mission matters. Experience the Key High difference.
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