Data Sheet No 241 Jan 2002 Issue G. Electrode Holders & Brackets for Conductivity Type Systems

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1 HAWKER Data Sheet No 4 Jan Issue G LEVEL CONTROL SYSTEMS Holders & Brackets for Conductivity Type Systems Heavy Duty HPE8 Heavy Duty HPE8/P Heavy Duty E holder suitable for sewage, water and effluent applications. Moulded in phenolic (SR47) for high strength and chemical resistance. Supplied with SS clamping collar, rubber gasket and SS nuts and bolts to secure cap to base. The holders will accept ¾ pipe electrodes of nominal OD 6.7mm and wall thickness.87mm. s are available in galvanised mild steel, stainless steel type 6, plain or plastic coated, (for latter specify HPE8/). provide a service to thread ¾ pipe. Plastic touchup paint for electrodes is also available. Maximum shipping length.m. Couplers are available for lengths in excess. steady brackets are advisable every metres. adjustment 4mm. length is calculated from the underside of the flange plus 9mm.. P5/BAR level controllers) add suffix /IS Similar to HPE8 but with insert moulded in to provide pressure under flange of psi. Supplied with two rubber gaskets, SS nuts and bolts to secure cap to base and galvanised mild steel or stainless steel coupler to accept ¾ pipe electrode (as above). Also available for immersion to IP67 and pressure under flange of psi. length is calculated from the underside of the flange less 89mm provide a service to thread ¾ pipe. Plastic touchup paint for electrodes is also available. P5/BAR level controllers) add suffix /IS. Similar to HPE8 but with tall epoxy coated aluminium alloy cap providing an electrode depth adjustment of up to 5mm. Supplied with SS clamping collar, rubber gasket and SS nuts and bolts to secure cap to base. An E9 is also available comprising an HPE8 body with a m UPVC cap to give longer electrode length adjustment. If plastic coated electrode is used, specify E/. provide a service to thread ¾ pipe. Plastic touchup paint for electrodes is also available. P5/BAR level controllers) add suffix /IS. Terminal Screw ¼ Wht Grub Screw 4 Holes dia on a 5 PCD 6 Rubber Gasket 8 Cable entry Rubber Gasket Cable entry 8 UNC Bolt UNC Bolt 7 48 BSP

2 Light Duty HPE7 Manufactured in Polypropylene complete with back nut. Softening temperature C. Suitable for 8mm diameter rod electrodes, typically S.S. Type 6, Hastelloy C, Monel, Titanium. Supplied plain or plastic coated. 57 O Ring Cable Entry Maximum Shipping length m. S.S. Couplers available for length in excess. 6 Terminal Collar Steady brackets advisable every m if turbulence present. 5 BSP HPE7 Add mm to electrode length. HPE7/P Pressure tight to P.S.I. At C complete with coupler. HPE7/Pa Pressure tight to P,S.I. With 8mm rod moulded in. Maximum length m. For INTRINSICALLY SAFE models (using ACA/IS or P5/BAR level controllers) add suffix /IS 54 6 L L = Length Borehole E4 and E5 Borehole electrodes used to control pumps etc, between or at specific levels. mm mm An earth return electrode is sometimes strapped to the rising pump main. Manufactured from UPVC and S.S. Type 6. E4 is unshrouded. E5 is shrouded to prevent spurious operation by water infalls. Special electrode suspension cable available Conductor : 7 x 7/. mm S.S. Polyurethane Insulated. 8mm 6mm Diameter : Approximately 5mm. Breaking Load approx 75kgs. The S.S. Cable is used in preference to copper to reduce the risk of losing the borehole electrode due to galvanic corrosion. It is certified to BS 69 Pti mm Slot For INTRINSICALLY SAFE Model E5 only (using ACA/IS and P5/BAR Level Controllers) add suffix/is to give E5/IS. 54.5mm A E5 Miniature Pressure Tight Mini. B For applications where space is restricted. Cap Available with P.T.F.E. Insulators. S.S. Union sizes ¼, ½, or ¾ B.S.P. C Brass Nut Copper Washer S.S. Nut Pressure rating p.s.i. At C. The E5 assembly can be incorporated into ¾ N.B. Pipe to form a rigid long electrode, e.g. For surge vessels. Tufnol Insulator Sealing Washer BSP Union Sealing Washer D Bottom Insulator SIZE A B C D E ¼ Stainless Steel ½ Nb For electrode lengths greater than 5mm add on extra to S/S electrode length E

3 EA Multi for up to m HE The Hawker Multi Holder is moulded in tough glass filled polypropylene and accommodates up to 5 plastic coated 8mm electrodes up to m long (longer lengths available via threading & couplers).it is ideal for water tanks, chemical storage tanks & bunds. 5 electrodes enable the EA to be used for pump control with high and low alarms. Mounting and steady brackets, separators etc are available to aid easy site installation. Always use the well proven, AC or P/P4 series controllers incorporating CSD circuitry. The Universal Flange is suitable for: ANSI 5Ib DN8 PN6 BS table D Fixing kits available (ref 5) Hawker Type 8 Bracket Temp range: C to +85 C Weight:.55Kg An EA/IP67 is available to special order. Mounting Bracket Type 8 Steady Bracket c/w U.P.V.C. Insulator. For electrode lengths greater than.5m.type 8 84 CL 85 4 Ø 67Ø CL Entry xmm Holes on 5mm PCD xmm Hole on CL 4 Slots on 5 PCD at 45 to CL o Types 8 and 8 are galvanished mild steel. S.S. Brackets are available to special order. Separator for spacing electrodes where 8 is not suitable. Material is U.P.V.C. Type 4 9 Ø When ordering specify: N = No of electrodes. L + 7mm = electrode lengths E4 Multi for up to m Accomodates up to four /8 diameter electrodes. Moulded in polypropylene with screw on cap. Mounted thread is /4 B.S.P. Lock nut is provided. Screwed conduit entry mm. All electrodes are plastic coated to prevent tracking. For applications where excessive moisture is present, cables may be connected at works and the terminals potted. Two spacers are included to separate the electrodes (Pt. No. 6). For use at normal atmospheric pressure and temperatures between C and +6 C. Not suitable for aggressive liquids which attack polypropylene Screw cap O Ring Cable termination Material Dia before coating Max length mm Threaded conduit hole SS Type 6 /8 (.mm).m Titanium /8 (.mm).97m 8 Plastic Coating Type Material Epoxy Coated Thermomelt S.S Epoxy Coated Fusion Bonded S.S. Epoxy Coated Thermomelt Titanium Colour Black Green Blue L ¾" B.S.P. Thread Holder is Supplied C/W Plastic Nut Other Coatings to Special Order Mounting Bracket Type 7 The electrodes are a light push fit into the body which should be warmed to approximately 8 C to facilitate fitting. When ordering specify: N = No of electrodes L = Length below shoulder in mm. If you require us to fit the electrodes. E4 Diameter Drill Size Epoxy Coated Thermomelt Type /8 Epoxy Coated Fusion Bonded.mm To aid site installation, a range of r Holder, Mounting Bracket and Steady Bracket are available for wall mounting in either galvanised mild steel or stainless steel type 4. To secure the electrode holder to these brackets, order a set of stainless steel bolts, nuts and washers (Ref 5 for set of four). To secure the brackets to the wall order stainless steel rawbolts (Ref 86 Each) To avoid corrosion, the holes in galvanised MS brackets should not be opened up.

4 Data Sheet No 4 Jan Issue G Holder Mounting Brackets Type 8 Type 8 Holder Type HPE8 E E No of Holders Per Bracket Distance from CL of Holder to Wall mm 56 Centre Distance between Holder mm Type No Galvanised SS MS to SS HPE8 E SS HPE8 E SS HPE7 E SS HPE7 E SS HPE7 E SS Steady Brackets Type 85 Type 75 Insulators Type No of Insulators Per Bracket Distance from CL of to Wall mm Centre Distance between Insulators mm Type No Galvanised SS MS to 4 /4 N.B. Pipe Galvanised or SS to 6 including EVA coated pipe SS 8mm Rod SS to 6.,Monel, Titanium including E.V.A. Coated SS 76 SS 77 SS Special Steady Bracket for E Multiholders using 8 Brackets for up to 5 No 8mm s 8 8 SS

5 Thank you for reading this data sheet. For pricing or for further information, please contact us at our UK Office, using the details below. UK Office Keison Products, P.O. Box 4, Chelmsford, Essex, CM UP, England. Tel: +44 () Fax: +44 () Please note Product designs and specifications are subject to change without notice. The user is responsible for determining the suitability of this product.