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Appendix B Specifications Series 830/840/860 Instruction Manual
B-4 IM-83/84/86-H
and valve plug standard; Neoprene, 4079 Kal-Rez
(or equivalent) and other elastomers available on special
order; PFA Teflon valve lug available
840 (NPT)...................... 316 stainless steel, Teflon
®
valve set, Viton O-rings standard;
Neoprene, 4079 Kal-Rez (or equivalent) optional, others
on
special order
Control Valve Type 840/860C
(low, med, high) ............ Electromagnetic
840 (NPT)...................... Rotary plug valve