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DETROIT LINE<br />
Engineering Data for all Detroit Line Valves<br />
Lubrication<br />
All <strong>Alkon</strong> valves are pre-lubricated with PTFE-based grease and will operate dry<br />
(with no additional lubrication) however, a lubricated system will greatly extend the<br />
service life of any valve. The following oils are popular, easily obtained fluids that are<br />
recommended for use with <strong>Alkon</strong> valves; Gulf Harmony 47, Moble DTE Medium,<br />
Shell Tellus 29, Texaco Rondo B. Schivis 47 and Sunnis 921. Many other fluids are<br />
acceptable lubricants providing they do not contain detergents that will attack<br />
Buna N or Viton seals.<br />
Spool Replacement for Detroit Line Valves<br />
Valve Model<br />
NCVP21-S-50/75<br />
NOVP21-S-50/75<br />
VP22-S-50/75<br />
NC21-S-50/75<br />
Part No.<br />
90A20002<br />
90A20009<br />
90A20002<br />
90A20026<br />
Valve Model<br />
131-M-50/75<br />
132-M-50/75<br />
131-S-50/75<br />
132-S-50/75<br />
Part No.<br />
90A20004<br />
90A20004<br />
90A20222<br />
90A20036<br />
Valve Model<br />
41-S-50/75<br />
42-S-50/75<br />
41-M-50/75<br />
42-M-50/75<br />
Part No.<br />
90A20223<br />
90A20224<br />
90A20006<br />
90A20015<br />
NO21-S-50/75<br />
22-S-50/75<br />
NC21-M-50/75<br />
NO21-M-50/75<br />
22-M-50/75<br />
90A20032<br />
90A20034<br />
90A20002<br />
90A20009<br />
90A20002<br />
NCVP131-S-50/75 90A20004<br />
NOVP131-S-50/75 90A20004<br />
VP132-S-50/75 90A20004<br />
3072-C 90A20236<br />
VP41-S-50/75<br />
VP42-S-50/75<br />
ASK-5945<br />
ASK-5946<br />
ASK-594<br />
90A20006<br />
90A20006<br />
90A20052<br />
90A20052<br />
90A20098<br />
Detroit Line Specifications<br />
• Operating Pressure Range - 28” Mercury Vacuum to<br />
125 PSIG, “VP” Pilot and Air Pilot Require Minimum of<br />
30 PSIG to Shift Spool.<br />
• Temperature Range - 40 o to 180 o F. For Higher Temperatures<br />
Consult Factory.<br />
• Viton Seals Standard on All Models.<br />
• Explosion Proof Housings Meet - Class I Groups C & D,<br />
Class II Groups E, F, & G.<br />
Glass Industry Specifications<br />
• Cv = 6.1<br />
• Minimum Pilot Supply: 20 psig<br />
• Maximum Working Pressure: 125 psig<br />
• Temperature Range: 40 o to 350 o F<br />
• PTFE-impregnated Viton Seals<br />
• Exclusive Thin Lip Seal Design<br />
• Spool Position Indicator Standard<br />
• Minimal Parts for Ease of Maintenance<br />
• Supplied Worldwide Through <strong>Alkon</strong> Distributors<br />
• Lube Port Option Available<br />
• Solenoid Versions with Spool Position Indicators Available<br />
• Single and Dual Pilot Isolation Available<br />
• Cv = 6.1 Tested on “ASK” Base<br />
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