MKS 649A - Page 63

Appendix B: Model Code Explanation Model Code
51
Valve Plug Seat Material (A)
The valve plug seat material is specified by a single letter code.
Valve Plug Seat Material Ordering Code
Metal M
Viton V
Kel-F F
Kalrez D
Fittings (B)
The choice of fittings is indicated by a single letter code.
Fittings Ordering Code
Cajon 4-VCR, male R
Cajon 8-VCR, male T