Presentation on theme: "Myers Hubs Crouse-Hinds Training Module. zHistory zApplications zProduct Features zCertifications and Compliances zTypes of Myers Hubs zAdditional Hubs."— Presentation transcript:
Myers Hubs Crouse-Hinds Training Module
zHistory zApplications zProduct Features zCertifications and Compliances zTypes of Myers Hubs zAdditional Hubs Available zMarketing Materials Outline Myers Hubs
Pre-1949 –Welding was standard to bond coupling to enclosure, to maintain a watertight connection and ground for conduit entering enclosure. 1949 –Myers Hubs established. Invented the Scru-Tite ® Hub. Watertight / Dust Tight Joint. Positive Electrical Ground. UL / CSA Approved. Eliminated need for welding. 1997 –Myers acquired by Cooper Crouse-Hinds. History Myers Hubs
Used in wash down, harsh industrial, outdoors, hazardous, corrosive / chemical atmospheres, for grounding, indoor rigid conduit, OEM, and overseas applications (metric adapters). In conjunction with enclosures / wireways fabricated from sheet steel, stainless steel, cast, and non-metallic materials. Industries such as refineries, paper mills, food processing, breweries, waste water treatment facilities, chemical plants, pharmaceutical plants, steel mills, and marine applications. Applications Myers Hubs
1Vibration Proof –Strong, oversize nut with radial serrations assures flush installation and positive grounding. 2Optional Grounding Screw For Added Safety 3Captive “O-Ring” Gasket –Impervious to corrosive moisture and petroleum products. Buna-N gasket assures positive water and dust-tight installations. 4Precision Machine Cut NPT Threads –Positive fit and simple installation. Myers Hubs Product Features
5No Welding –Unique serrations on both nut and hub bite into metal assuring a positive electrical ground. (UL approved for use with service entrance conduit.) 6Posi-Lok Insulated Throat –Cannot come out. Made from flame retardant Lexan®. Standard in sizes from 1/2” through 4” Myers Hubs Product Features Fit Standard Knockouts. Hub Basic Scru-Tite zinc 1/2” – 2” products available with optional chrome plate finish. (add suffix - CP)
UL Listed CSA Certified –Class I, Division 2 NEC 501-4(b) –Class II, Division 1 & 2 NEC 502-4(a)(b) –Class III, Division 1 & 2 NEC 503-3(a)(b) For use with NEMA Enclosures 2, 3, 3R, 4, 4X, and 12. (Check hub type for individual compliances) Optional IEC / CENELEC Hubs for: –Zone 1, Ex e II –Zone 1, Eex e II –Zone 1, Aex e II Myers Hubs Certifications and Compliances
Available in zinc or aluminum. Sizes range from 1/4” through 6”. Myers Hubs - Types Scru-Tite ® Hub - ST and STA Series Ground Hub - STG and STAG Series Available in zinc or aluminum. Sizes range from 1/2” through 6”. Provides ground screw on locknut.
316 stainless steel construction resists corrosion and pitting in chemical atmospheres. Sizes range from 1/2” to 2” Grounding Screw provided on lock nut. Myers Hubs - Types Stainless Steel Hub - SSTG Series
Myers Hubs - Types Through Bulk-Head Fitting - STTB, STTBA, STTTB, STTTBA Series. Available in zinc or aluminum. Available with or without a nipple. Sizes range from 1/2” - 2” For installation of conduit through fire wall or partial bulkheads.
Available in zinc or stainless steel. Sizes range from 1/2” - 2” in zinc. Sizes range from 1/2” - 2” in stainless. Class I, Zone 1, Ex e II - IEC approved. Class I, Zone 1, EEx e II - CENELEC approvals through DEMKO (European test lab) Class I, Zone 1, AEx e II - NEC Article 505 approved. Hub includes increased safety ground terminal and locking screw on lock nut. Myers Hubs - Types IEC / CENELEC HUB - STGK or SSTGK Series
Myers Hubs - Types Metric to NPT Adapter - STM and SSTM Series Available in zinc or stainless steel. Sizes ranges: –M20 to 1/2” up to ….. –M75 to 2 1/2” (zinc) –M63 to 2” (stainless steel) Used to convert a threaded metric entry to an NPT entry.
Available in zinc or aluminum. In zinc sizes range from 1/2” - 2”. In aluminum sizes range from 1/2” – 6” Myers Hubs - Types Ground Nut - STGN and STAGN Series
Myers Hubs - Types Cap-Off - STC and STAC Series Drain Plug Available in zinc or aluminum. Zinc Sizes 1/2” - 2”. Aluminum Sizes 1/2” – 1” Economical way to cap-off a knock out. Available in aluminum or stainless steel. 1/2” trade size. Available with locknut for 1/2” KO or with NPT threads for threaded opening. Designed to drain any accumulated condensation.
Additional Hubs Raintight Malleable Iron Conduit Hubs Product Features Male thread type Tapered Female thread for rigid conduit & IMC Recessed O-ring gasket assures raintight & dust tight connections Insulated throat provides smooth pulling surface Locking screw on nut doubles as a grounding screw for added safety Compete sizes range from 1/2” – 6”
Additional Hubs Iron Space Saver Conduit Hubs Product Features Male thread is on the nut for space saving Quick and easy when installing rigid conduit nipple between two existing enclosures Insulated throat provides smooth pulling surface Furnished with SG sealing gasket Hub fits standard knockouts. No special tools required