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NW Four Way Crosses, Standard Reducers, Conical Reducers

 

 

Crosses

  • ISO-KF flanges, same size all ports
  • Stainless steel type 304

Crosses

Crosses

 
PART NUMBER FLANGE SIZE A B
KSCRS-4716 NW 16 1.57 3.15
KSCRS-4725 NW 25 1.97 3.94
KSCRS-4740 NW 40 2.56 5.12
KSCRS-4750 NW 50 2.76 5.51

 

 

Reducer

  • Mates differing, ISO-KF sizes
  • Stainless steel type 304

Reducer

Reducer

 
PART NUMBER FLANGE SIZE A
KSR-4816 NW 16 to 25 1.57
KSR-4816-1 NW 16 to 40 1.57
KSR-4816-2 NW 16 to 50 1.57
KSR-4825 NW 25 to 40 1.57
KSR-4825-1 NW 25 to 50 1.57
KSR-4840 NW 40 to 50 1.57

 

 

Reducer Conical

  • Mates differing ISO-KF sizes
  • Stainless steel type 304

Reducer Conical

Reducer Conical

 
PART NUMBER FLANGE SIZE A
KSR-4816-CR NW 16 to 25 1.57
KSR-4816-1-CR NW 16 to 40 1.57
KSR-4816-2-CR NW 16 to 50 1.57
KSR-4825-CR NW 25 to 40 1.57
KSR-4825-1-CR NW 25 to 50 1.57
KSR-4840-CR NW 40 to 50 1.57

 

 

Reducer Conical

  • Mates differing ISO-KF sizes
  • 6061T6 Aluminum

Reducer Conical

Reducer Conical

 
PART NUMBER FLANGE SIZE A
KSR-4816-CR-AL NW 16 to 25 1.57
KSR-4816-1-CR-AL NW 16 to 40 1.57
KSR-4816-2-CR-AL NW 16 to 50 1.57
KSR-4825-CR-AL NW 25 to 40 1.57
KSR-4825-1-CR-AL NW 25 to 50 1.57
KSR-4840-CR-AL NW 40 to 50 1.57

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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Key High Vacuum Products, Inc.
36 Southern Boulevard, Nesconset, NY 11767
1-631-360-3970
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